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µ PD78081 µ PD78081(A) µ PD78082 µ PD78082(A) µ PD78P083 µ PD78P083(A) µ PD78P081(A2) µ PD78083 SUBSERIES 8-BIT SINGLE-CHIP MICROCONTROLLER Document No.
NOTES FOR CMOS DEVICES 1 PRECAUTION AGAINST ESD FOR SEMICONDUCTORS Note: Strong electric field, when exposed to a MOS device, can cause destruction of the gate oxide and ultimately degrade the device operation. Steps must be taken to stop generation of static electricity as much as possible, and quickly dissipate it once, when it has occurred.
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The application circuits and their parameters are for reference only and are not intended for use in actual design-ins. The information in this document is subject to change without notice. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation.
NEC Electronics Inc. (U.S.) Santa Clara, California Tel: 800-366-9782 Fax: 800-729-9288 NEC Electronics (Germany) GmbH Duesseldorf, Germany Tel: 0211-65 03 02 Fax: 0211-65 03 490 NEC Electronics (UK) Ltd. Milton Keynes, UK Tel: 01908-691-133 Fax: 01908-670-290 NEC Electronics Italiana s.
Major Revision in This Edition Page Description Throughout The following products have been already developed µ PD78081CU- ××× , 78081GB- ××× -3B4, 78082CU- ××× , 78082GB- ××× -3B4, 78P08.
PREFACE Readers This manual has been prepared for user engineers who want to understand the functions of the µ PD78083 subseries and design and develop its application systems and programs. Caution In the µ PD78083 Subseries, the µ PD78P083DU is not designed to maintain the reliability required for use in customers’ mass-produced equipment.
To know application examples of the functions provided in the µ PD78083 Subseries: → Refer to Application Note separately provided. Legend Data representation weight : High digits on the left and low digits on the right Active low representations : ××× (line over the pin and signal names) Note : Description of note in the text.
Related Documents The related documents indicated in this publication may include preliminary versions. However, preliminary versions are not marked as such.
Development Tool Documents (User’s Manuals) Document name Document No. Japanese English RA78K Series Assembler Package Operation EEU-809 EEU-1399 Language EEU-815 EEU-1404 RA78K Series Structured As.
Documents for Embedded Software (User’s Manual) Document name Document No. Japanese English 78K/0 Series Real-Time OS Basics U11537J — Installation U11536J — Technicals U11538J — OS for 78K/0 .
– i – CONTENTS CHAPTER 1 OUTLINE ..................................................................................................................... 1 1.1 Features .................................................................................
– ii – 3.2.3 Special Function Register (SFR) ......................................................................................... 37 3.3 Instruction Address Addressing ..........................................................................
– iii – 6.4 8-Bit Timer/Event Counters 5 and 6 Operations ............................................................ 90 6.4.1 Interval timer operations .............................................................................................
– iv – 12.4 Interrupt Servicing Operations ........................................................................................ 181 12.4.1 Non-maskable interrupt request acknowledge operation ...................................................
– v – A.5 System-Upgrade Method from Other In-Circuit Emulators to 78K/0 Series In-Circuit Emulator ............................................................................................................ 240 APPENDIX B EMBEDDED SOFTW ARE ....
– vi – FIGURE (1/4) Fig. No. Title Page 2-1 Pin Input/Output Circuit of List ............................................................................................ 23 3-1 Memory Map ( µ PD78081) .............................................
– vii – FIGURE (2/4) Fig. No. Title Page 6-10 8-Bit T imer Mode Control Register Setting for External Event Counter Operation ............. 93 6-1 1 External Event Counter Operation T imings (with Rising Edge Specification) .................... 93 6-12 8-Bit T imer Mode Control Register Settings for Square-Wave Output Operation .
– viii – FIGURE (3/4) Fig. No. Title Page 1 1-6 Baud Rate Generator Control Register Format (2/2) ......................................................... 145 1 1-7 Asynchronous Serial Interface T ransmit/Receive Data Format .....................
– ix – FIGURE (4/4) Fig. No. Title Page 15-6 PROM Read T iming ........................................................................................................... 213 A-1 Development T ool Configuration ....................................
– x – T ABLE (1/2) T able. No. Title Page 1-1 Differences between the µ PD78081, 78082 and 78P083, the µ PD78081(A), 78082(A) and 78P083(A), and the µ PD78081(A2) ............................................................................ 13 2-1 T ype of Input/Output Circuit of Each Pin .
– xi – T ABLE (2/2) T able. No. Title Page 12-1 Interrupt Source List ........................................................................................................... 172 12-2 V arious Flags Corresponding to Interrupt Request Sources ..
– xii – [MEMO].
1 CHAPTER 1 OUTLINE CHAPTER 1 OUTLINE 1.1 Features On-chip ROM and RAM Note The capacities of internal PROM and internal high-speed RAM can be changed by means of the memory size switching register (IMS). Instruction execution time changeable from high speed (0.
2 CHAPTER 1 OUTLINE 1.2 Applications µ PD78081, 78082, 78P083: Airbags, CRT displays, keyboards, air conditioners, hot water dispensers, boilers, fan heaters, dashboards, etc. µ PD78081(A), 78082(A), 78P083(A), 78081(A2): Automobile electrical control devices, gas detector cutoff devices, various safety devices, etc.
3 CHAPTER 1 OUTLINE 1.4 Quality Grade Part number Package Quality grade µ PD78081CU- ××× 42-pin plastic shrink DIP (600 mil) Standard µ PD78081GB- ××× -3B4 44-pin plastic QFP (10 × 10 mm) Sta.
4 CHAPTER 1 OUTLINE 1.5 Pin Configuration (Top View) (1) Normal operating mode 42-pin plastic shrink DIP (600 mil) µ PD78081CU- ××× , 78082CU- ××× , 78P083CU, 78P083CU(A) 42-pin ceramic shrink .
5 CHAPTER 1 OUTLINE • 44-pin plastic QFP (10 × 10 mm) µ PD78081GB- ××× -3B4, 78081GB- ××× -3BS-MTX µ PD78082GB- ××× -3B4, 78082GB- ××× -3BS-MTX µ PD78P083GB-3B4, 78P083GB-3BS-MTX µ .
6 CHAPTER 1 OUTLINE Pin Identifications ANI0 to ANI7 : Analog Input P100, P101 : Port 10 ASCK : Asynchronous Serial Clock PCL : Programmable Clock AV DD : Analog Power Supply RESET : Reset AV REF : An.
7 CHAPTER 1 OUTLINE (2) PROM programming mode • 42-pin plastic shrink DIP (600 mil) µ PD78P083CU, 78P083CU(A) • 42-pin ceramic shrink DIP (with window) (600 mil) µ PD78P083DU Cautions 1. (L) : Individually connect to V SS via a pull-down resistor.
8 CHAPTER 1 OUTLINE Note Under development Cautions 1. (L) : Connect individually to V SS via a pull-down resistor. 2. V SS : Connect to the ground. 3.
9 CHAPTER 1 OUTLINE 1.6 78K/0 Series Development The following shows the 78K/0 Series products development. Subseries names are shown inside frames. Note Under planning 100-pin 100-pin 100-pin 100-pin.
10 CHAPTER 1 OUTLINE The following table shows the differences among subseries functions. Function ROM Timer 8-bit 10-bit 8-bit Serial interface I/O External Subseries name capacity 8-bit 16-bit Watch WDT A/D A/D D/A expansion Control µ PD78075B 32K to 40K 4 ch 1 ch 1 ch 1 ch 8 ch — 2 ch 3 ch (UART: 1 ch) 88 1.
11 CHAPTER 1 OUTLINE 1.7 Block Diagram Remarks 1. The internal ROM and high-speed RAM capacities depend on the product. 2. Pin connection in parentheses is intended for the µ PD78P083.
12 CHAPTER 1 OUTLINE 1.8 Outline of Function Part Number µ PD78081 µ PD78082 µ PD78083 Item Internal memory ROM Mask ROM PROM 8 Kbytes 16 Kbytes 24 Kbytes Note High-speed RAM 256 bytes 384 bytes 51.
13 CHAPTER 1 OUTLINE 1.9 Differences between the µ PD78081, 78082 and 78P083, the µ PD78081(A), 78082(A) and 78P083(A), and the µ PD78081(A2) Table 1-1 Differences between the µ PD78081, 78082 and.
14 CHAPTER 1 OUTLINE [MEMO].
15 CHAPTER 2 PIN FUNCTION CHAPTER 2 PIN FUNCTION 2.1 Pin Function List 2.1.1 Normal operating mode pins (1) Port pins Note When P10/ANI0-P17/ANI7 pins are used as the analog inputs for the A/D converter, set the port 1 to the input mode. The on-chip pull-up resistor is automatically disabled.
16 CHAPTER 2 PIN FUNCTION Pin Name Input/Output Function After Reset Alternate Function INTP1 Input External interrupt request input by which the active edge Input P01 INTP2 (rising edge, falling edge, or both rising and falling edges) P02 INTP3 can be specified.
17 CHAPTER 2 PIN FUNCTION 2.2 Description of Pin Functions 2.2.1 P00 to P03 (Port 0) These are 4-bit input/output ports. Besides serving as input/output ports, they function as an external interrupt request input. The following operating modes can be specified bit-wise.
18 CHAPTER 2 PIN FUNCTION 2.2.3 P30 to P37 (Port 3) These are 8-bit input/output ports. Beside serving as input/output ports, they function as clock output and buzzer output. The following operating modes can be specified bit-wise. (1) Port mode These ports function as 8-bit input/output ports.
19 CHAPTER 2 PIN FUNCTION 2.2.5 P70 to P72 (Port 7) This is a 3-bit input/output port. In addition to its use as an input/output port, it also has serial interface data input/ output and clock input/output functions. The following operating modes can be specified bit-wise.
20 CHAPTER 2 PIN FUNCTION 2.2.7 AV REF A/D converter reference voltage input pin. When A/D converter is not used, connect this pin to V SS . 2.2.8 AV DD Analog power supply pin of A/D converter. Always use the same voltage as that of the V DD pin even when A/D converter is not used.
21 CHAPTER 2 PIN FUNCTION 2.2.15 IC (Mask ROM version only) The IC (Internally Connected) pin is provided to set the test mode to check the µ PD78083 Subseries at delivery. Connect it directly to the V SS with the shortest possible wire in the normal operating mode.
22 CHAPTER 2 PIN FUNCTION Pin Name Input/Output Input/Output Recommended Connection for Unused Pins Circuit Type P00 2 Input Connect to V SS . P01/INTP1 8-A Input/Output Independently connect to V SS via a resistor. P02/INTP2 P03/INTP3 P10/ANI0-P17/ANI7 11 Input/Output Independently connect to V DD or V SS via P30-P32 5-A a resistor.
23 CHAPTER 2 PIN FUNCTION Figure 2-1. Pin Input/Output Circuit of List IN pull-up enable V DD P-ch IN/OUT input enable output disable data V DD P-ch N-ch Type 2 Type 5-A Schmitt-Triggered Input with H.
24 CHAPTER 2 PIN FUNCTION [MEMO].
25 CHAPTER 3 CPU ARCHITECTURE CHAPTER 3 CPU ARCHITECTURE 3.1 Memory Spaces Figures 3-1 to 3-3 shows memory maps. Figure 3-1. Memory Map ( µ PD78081) Data memory space General Registers 32 × 8 bits I.
26 CHAPTER 3 CPU ARCHITECTURE Figure 3-2. Memory Map ( µ PD78082) Data memory space General Registers 32 × 8 bits Internal ROM 16384 × 8 bits CALLF Entry Area CALLT Table Area Vector Table Area Pro.
27 CHAPTER 3 CPU ARCHITECTURE Figure 3-3. Memory Map ( µ PD78P083) Data memory space General Registers 32 × 8 bits Internal PROM 24576 × 8 bits CALLF Entry Area CALLT Table Area Vector Table Area P.
28 CHAPTER 3 CPU ARCHITECTURE 3.1.1 Internal program memory space The internal program memory is mask ROM with a 8192 × 8-bit configuration in the µ PD78081, and a 16384 × 8-bit configuration in the µ PD78082, and PROM with a 24576 × 8-bit configuration in the µ PD78P083.
29 CHAPTER 3 CPU ARCHITECTURE 3.1.2 Internal data memory space The internal high speed RAM configuration is 256 × 8-bit in the µ PD78081, 384 × 8-bit in the µ PD78082 and 512 × 8-bit in the µ PD8P083. In this area, four banks of general registers, each bank consisting of eight 8-bit registers, are allocated in the 32-byte area FEE0H to FEFFH.
30 CHAPTER 3 CPU ARCHITECTURE Figure 3-4. Data Memory Addressing ( µ PD78081) General Registers 32 × 8 bits Internal ROM 8192 × 8 bits Unusable Internal High-speed RAM 256 × 8 bits Special Functio.
31 CHAPTER 3 CPU ARCHITECTURE Figure 3-5. Data Memory Addressing ( µ PD78082) General Registers 32 × 8 bits Internal ROM 16384 × 8 bits Unusable Internal High-speed RAM 384 × 8 bits Special Functi.
32 CHAPTER 3 CPU ARCHITECTURE Figure 3-6. Data Memory Addressing ( µ PD78P083) General Registers 32 × 8 bits Internal PROM 24576 × 8 bits Unusable Internal High-speed RAM 512 × 8 bits Special Func.
33 CHAPTER 3 CPU ARCHITECTURE 70 IE Z RBS1 AC RBS0 0 ISP CY PC 15 0 3.2 Processor Registers The µ PD78083 subseries units incorporate the following processor registers. 3.2.1 Control registers The control registers control the program sequence, statuses and stack memory.
34 CHAPTER 3 CPU ARCHITECTURE (a) Interrupt enable flag (IE) This flag controls the interrupt request acknowledge operations of the CPU. When IE = 0, all interrupts except the non-maskable interrupt are disabled (DI status). When IE = 1, interrupts are enabled (EI status).
35 CHAPTER 3 CPU ARCHITECTURE RETI and RETB Instruction PSW PC15-PC8 PC15-PC8 PC7-PC0 Register Pair Lower SP SP + 2 SP Register Pair Upper RET Instruction POP rp Instruction SP + 1 PC7-PC0 SP SP + 2 S.
36 CHAPTER 3 CPU ARCHITECTURE BANK0 BANK1 BANK2 BANK3 FEFFH FEF8H FEE0H HL DE BC AX H 15 0 7 0 L D E B C A X 16-Bit Processing 8-Bit Processing FEF0H FEE8H BANK0 BANK1 BANK2 BANK3 FEFFH FEF8H FEE0H RP3 RP2 RP1 RP0 R7 15 0 7 0 R6 R5 R4 R3 R2 R1 R0 16-Bit Processing 8-Bit Processing FEF0H FEE8H 3.
37 CHAPTER 3 CPU ARCHITECTURE 3.2.3 Special Function Register (SFR) Unlike a general register, each special-function register has special functions. It is allocated in the FF00H to FFFFH area. The special-function register can be manipulated like the general register, with the operation, transfer and bit manipulation instructions.
38 CHAPTER 3 CPU ARCHITECTURE Address Special-Function Register (SFR) Name Symbol R/W After Reset FF00H Port0 P0 R/W √√ — 00H FF01H Port1 P1 √√ — FF03H Port3 P3 √√ — FF05H Port5 P5 .
39 CHAPTER 3 CPU ARCHITECTURE Address Special-Function Register (SFR) Name Symbol R/W After Reset FFEAH Priority order specify flag register 1L PR1L R/W √√ — FFH FFECH External interrupt mode re.
40 CHAPTER 3 CPU ARCHITECTURE 15 0 PC + 15 0 876 S 15 0 PC α jdisp8 When S = 0, all bits of α are 0. When S = 1, all bits of α are 1. PC indicates the start address of the instruction after the BR instruction. ... 3.3 Instruction Address Addressing An instruction address is determined by program counter (PC) contents.
41 CHAPTER 3 CPU ARCHITECTURE 3.3.2 Immediate addressing [Function] Immediate data in the instruction word is transferred to the program counter (PC) and branched. This function is carried out when the CALL !addr16 or BR !addr16 or CALLF !addr11 instruction is executed.
42 CHAPTER 3 CPU ARCHITECTURE 3.3.3 Table indirect addressing [Function] Table contents (branch destination address) of the particular location to be addressed by bits 1 to 5 of the immediate data of an operation code are transferred to the program counter (PC) and branched.
43 CHAPTER 3 CPU ARCHITECTURE 70 rp 07 AX 15 0 PC 87 3.3.4 Register addressing [Function] Register pair (AX) contents to be specified with an instruction word are transferred to the program counter (PC) and branched. This function is carried out when the BR AX instruction is executed.
44 CHAPTER 3 CPU ARCHITECTURE 3.4 Operand Address Addressing The following various methods are available to specify the register and memory (addressing) which undergo manipulation during instruction execution.
45 CHAPTER 3 CPU ARCHITECTURE 3.4.2 Register addressing [Function] This addressing accesses a general register as an operand. The general register accessed is specified by the register bank select flags (RBS0 and RBS1) and register specify code (Rn or RPn) in an instruction code.
46 CHAPTER 3 CPU ARCHITECTURE 3.4.3 Direct addressing [Function] This addressing directly addresses the memory indicated by the immediate data in an instruction word.
47 CHAPTER 3 CPU ARCHITECTURE 3.4.4 Short direct addressing [Function] The memory to be manipulated in the fixed space is directly addressed with 8-bit data in an instruction word. The fixed space to which this address is applied is a 256-byte space of addresses FE20H through FF1FH.
48 CHAPTER 3 CPU ARCHITECTURE 15 0 Short Direct Memory Effective Address 1 111111 87 0 7 OP code saddr-offset α [Description example] MOV 0FE30H, #50H; when setting saddr to FE30H and immediate data .
49 CHAPTER 3 CPU ARCHITECTURE 15 0 SFR Effective Address 1 111111 87 0 7 OP code sfr-offset 1 3.4.5 Special-Function Register (SFR) addressing [Function] The memory-mapped special-function register (SFR) is addressed with 8-bit immediate data in an instruction word.
50 CHAPTER 3 CPU ARCHITECTURE 3.4.6 Register indirect addressing [Function] This addressing addresses the memory with the contents of a register pair specified as an operand. The register pair to be accessed is specified by the register bank select flags (RBS0 and RBS1) and register pair specify code in an instruction code.
51 CHAPTER 3 CPU ARCHITECTURE 3.4.7 Based addressing [Function] This addressing addresses the memory by adding 8-bit immediate data to the contents of the HL register pair which is used as a base register and by using the result of the addition.
52 CHAPTER 3 CPU ARCHITECTURE 3.4.8 Based indexed addressing [Function] This addressing addresses the memory by adding the contents of the HL register, which is used as a base register, to the contents of the B or C register specified in the instruction word, and by using the result of the addition.
53 CHAPTER 4 PORT FUNCTIONS CHAPTER 4 PORT FUNCTIONS 4.1 Port Functions The µ PD78083 Subseries units incorporate an input port and thirty-two input/output ports. Figure 4-1 shows the port configuration. Every port is capable of 1-bit and 8-bit manipulations and can carry out considerably varied control operations.
54 CHAPTER 4 PORT FUNCTIONS Pin Name Input/Output Function Dual-Function Pin P00 Input Port 0 Input only — P01 Input/output 4-bit input/output port Input/output is specifiable bit-wise. When INTP1 P02 used as the input port, it is possible to connect INTP2 P03 a pull-up resistor by software.
55 CHAPTER 4 PORT FUNCTIONS 4.2 Port Configuration A port consists of the following hardware: Table 4-2. Port Configuration Item Configuration Control register Port mode register (PMm: m = 0, 1, 3, 5,.
56 CHAPTER 4 PORT FUNCTIONS Figure 4-2. P00 Block Diagram Figure 4-3. P01 to P03 Block Diagram PUO : Pull-up resistor option register PM : Port mode register RD : Port 0 read signal WR : Port 0 write .
57 CHAPTER 4 PORT FUNCTIONS 4.2.2 Port 1 Port 1 is an 8-bit input/output port with output latch. It can specify the input mode/output mode in 1-bit units with a port mode register 1 (PM1). When P10 to P17 pins are used as input ports, an on-chip pull-up resistor can be used to them in 8-bit units with a pull-up resistor option register L (PUOL).
58 CHAPTER 4 PORT FUNCTIONS 4.2.3 Port 3 Port 3 is an 8-bit input/output port with output latch. P30 to P37 pins can specify the input mode/output mode in 1-bit units with the port mode register 3 (PM3).
59 CHAPTER 4 PORT FUNCTIONS 4.2.4 Port 5 Port 5 is an 8-bit input/output port with output latch. P50 to P57 pins can specify the input mode/output mode in 1-bit units with the port mode register 5 (PM5).
60 CHAPTER 4 PORT FUNCTIONS 4.2.5 Port 7 This is a 3-bit input/output port with output latches. Input mode/output mode can be specified bit-wise by means of port mode register 7 (PM7). When pins P70 to P72 are used as input port pins, an on-chip pull-up resistor can be used as a 3-bit unit by means of pull-up resistor option register L (PUOL).
61 CHAPTER 4 PORT FUNCTIONS Figure 4-8. P71 and P72 Block Diagram PUO : Pull-up resistor option register PM : Port mode register RD : Port 7 read signal WR : Port 7 write signal P-ch WR PM WR PORT RD .
62 CHAPTER 4 PORT FUNCTIONS 4.2.6 Port 10 This is an 2-bit input/output port with output latches. Input mode/output mode can be specified bit-wise by means of port mode register 10 (PM10).
63 CHAPTER 4 PORT FUNCTIONS 4.3 Port Function Control Registers The following two types of registers control the ports. • Port mode registers (PM0, PM1, PM3, PM5, PM7, PM10) • Pull-up resistor option register (PUOH, PUOL) (1) Port mode registers (PM0, PM1, PM3, PM5, PM7, PM10) These registers are used to set port input/output in 1-bit units.
64 CHAPTER 4 PORT FUNCTIONS Table 4-3. Port Mode Register and Output Latch Settings when Using Dual-Functions P01 to P03 INTP1 to INTP3 Input 1 × P10 to P17 Note ANI0 to ANI7 Input 1 × P35 PCL Outpu.
65 CHAPTER 4 PORT FUNCTIONS Figure 4-10. Port Mode Register Format PM0 PM1 1 1 PM03 PM02 PM01 1 76 54 3 21 0 Symbol PM3 PM5 FF20H FF21H FF23H FF25H FFH FFH FFH FFH R/W R/W R/W R/W Address After Reset .
66 CHAPTER 4 PORT FUNCTIONS (2) Pull-up resistor option register (PUOH, PUOL) This register is used to set whether to use an internal pull-up resistor at each port or not. A pull-up resistor is internally used at bits which are set to the input mode at a port where on-chip pull-up resistor use has been specified with PUOH, PUOL.
67 CHAPTER 4 PORT FUNCTIONS 4.4 Port Function Operations Port operations differ depending on whether the input or output mode is set, as shown below. 4.4.1 Writing to input/output port (1) Output mode A value is written to the output latch by a transfer instruction, and the output latch contents are output from the pin.
68 CHAPTER 4 PORT FUNCTIONS [MEMO].
69 CHAPTER 5 CLOCK GENERATOR CHAPTER 5 CLOCK GENERATOR 5.1 Clock Generator Functions The clock generator generates the clock to be supplied to the CPU and peripheral hardware. The following type of system clock oscillator is available. Main system clock oscillator This circuit oscillates at frequencies of 1 to 5.
70 CHAPTER 5 CLOCK GENERATOR Figure 5-1. Block Diagram of Clock Generator Main System Clock Oscillator X2 X1 STOP PCC2 PCC1 Internal Bus Standby Control Circuit 2 f XX 2 2 f XX 2 3 f XX 2 4 f XX Presc.
71 CHAPTER 5 CLOCK GENERATOR 5.3 Clock Generator Control Register The clock generator is controlled by the following two registers: • Processor clock control register (PCC) • Oscillation mode selection register (OSMS) (1) Processor clock control register (PCC) The PCC sets whether to use CPU clock selection and the ratio of division.
72 CHAPTER 5 CLOCK GENERATOR Write to OSMS (MCS 0) f XX Max. 2/f X Operating at f XX = f X /2 (MCS = 0) Operating at f XX = f X /2 (MCS = 0) MCS Main System Clock Scaler Control 0 1 Scaler used Scaler.
73 CHAPTER 5 CLOCK GENERATOR 5.4 System Clock Oscillator 5.4.1 Main system clock oscillator The main system clock oscillator oscillates with a crystal resonator or a ceramic resonator (standard: 5.0 MHz) connected to the X1 and X2 pins. External clocks can be input to the main system clock oscillator.
74 CHAPTER 5 CLOCK GENERATOR Figure 5-6. Examples of Oscillator with Bad Connection (1/2) (a) Wiring of connection circuits (b) Signal conductors intersect is too long with each other (c) Changing hig.
75 CHAPTER 5 CLOCK GENERATOR Figure 5-6. Examples of Oscillator with Bad Connection (2/2) (c) Signals are fetched 5.4.2 Scaler The scaler divides the main system clock oscillator output (f XX ) and generates various clocks.
76 CHAPTER 5 CLOCK GENERATOR 5.5 Clock Generator Operations The clock generator generates the following various types of clocks and controls the CPU operating mode including the standby mode.
77 CHAPTER 5 CLOCK GENERATOR 5.6 Changing CPU Clock Settings 5.6.1 Time required for CPU clock switchover The CPU clock can be switched over by means of bits 0 to 2 (PCC0 to PCC2) of the processor clock control register (PCC).
78 CHAPTER 5 CLOCK GENERATOR 5.6.2 CPU clock switching procedure This section describes CPU clock switching procedure. Figure 5-7. CPU Clock Switching (1) The CPU is reset by setting the RESET signal to low level after power-on. After that, when reset is released by setting the RESET signal to high level, main system clock starts oscillation.
79 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 The timers incorporated into the µ PD78083 subseries are outlined below.
80 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.1 8-Bit Timer/Event Counters 5 and 6 Functions The 8-bit timer/event counters 5 and 6 (TM5 and TM6) have the following functions.
81 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (2) External event counter The number of pulses of an externally input signal can be measured. (3) Square-wave output A square wave with any selected frequency can be output.
82 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.2 8-Bit Timer/Event Counters 5 and 6 Configurations The 8-bit timer/event counters 5 and 6 consist of the following hardware.
83 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Figure 6-2. Block Diagram of 8-Bit Timer/Event Counters 5 and 6 Output Control Circuit Note PM100 : Bit 0 of port mode register 10 (PM10) PM101 : Bit 1 of PM10 Remarks 1. The section in the broken line is an output control circuit.
84 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (1) Compare registers 50 and 60 (CR50, CR60) These are 8-bit registers to compare the value set to CR50 to the 8-bit timer register 5 (TM5) count value,.
85 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Figure 6-3. Timer Clock Select Register 5 Format Note The timer output (PWM output) cannot be used in cases where the clock is being input from an external source. Caution When rewriting TCL5 to other data, stop the timer operation beforehand.
86 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (2) Timer clock select register 6 (TCL6) This register sets count clocks of 8-bit timer register 6. TCL6 is set with an 8-bit memory manipulation instruction.
87 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (3) 8-bit timer mode control register 5 (TMC5) This register enables/stops operation of 8-bit timer register 5, sets the operating mode of 8-bit timer register 5 and controls operation of 8-bit timer/event counter 5 output control circuit.
88 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (4) 8-bit timer mode control register 6 (TMC6) This register enables/stops operation of 8-bit timer register 6, sets the operating mode of 8-bit timer register 6 and controls operation of 8-bit timer/event counter 6 output control circuit.
89 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 (5) Port mode register 10 (PM10) This register sets port 10 input/output in 1-bit units. When using the P100/TI5/TO5 and P101/TI6/TO6 pins for timer output, set PM100, PM101, and output latches of P100 and P101 to 0.
90 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.4 8-Bit Timer/Event Counters 5 and 6 Operations 6.4.1 Interval timer operations By setting the 8-bit timer mode control registers 5 and 6 (TMC5 and TMC6) as shown in Figure 6-8, it can be operated as an interval timer.
91 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Count Clock TMn Count Value INTTMn TCEn CRn0 TOn Interval Time Interval Time Interval Time Interrupt Request Acknowledge Interrupt Request Acknowledge N N N N Clear Count start Clear t 00 01 N 00 01 N 00 01 N Figure 6-9.
92 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Table 6-5. 8-Bit Timer/Event Counters 5 and 6 Interval Times Minimum Interval Time Maximum Interval Time Resolution MCS = 1 MCS = 0 MCS = 1 MCS = 0 MCS .
93 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.4.2 External event counter operation The external event counter counts the number of external clock pulses to be input to the TI5/PI00/TO5 and TI6/ P101/TO6 pins with 8-bit timer registers 5 and 6 (TM5 and TM6).
94 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.4.3 Square-wave output This makes the value set in advance in the 8-bit conveyor register 50, 60 (CR50, CR60) to be the interval.
95 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Table 6-6. 8-Bit Timer/Event Counters 5 and 6 Square-Wave Output Ranges Minimum Pulse Width Maximum Pulse Width Resolution MCS = 1 MCS = 0 MCS = 1 MCS = 0 MCS = 1 MCS = 0 — 1/f X —2 8 × 1/f X — 1/f X (200 ns) (51.
96 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.4.4 PWM output operations Setting the 8-bit timer mode control registers 5 and 6 (TMC5 and TMC6) as shown in Figure 6-13 allows operation as PWM output.
97 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Figure 6-14. PWM Output Operation Timing (Active high setting) Remark n = 5, 6 Figure 6-15. PWM Output Operation Timings (CRn0 = 00H, active high settin.
98 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Figure 6-16. PWM Output Operation Timings (CRn0 = FFH, active high setting) Remark n = 5, 6 Count Clock TMn Count Value CRn0 TCEn INTTMn TOn 01 02 FF 00.
99 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Figure 6-17. PWM Output Operation Timings (CRn0 changing, active high setting) Caution If CRn0 is changed during TMn operation, the value changed is not reflected until TMn overflows.
100 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 6.5 Cautions on 8-Bit Timer/Event Counters 5 and 6 (1) Timer start errors An error with a maximum of one clock may occur concerning the time required for a match signal to be gener- ated after timer start.
101 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 Count Pulse CR50, CR60 TM5, TM6 Count Value X-1 X FFH 00H 01H 02H M N (3) Operation after compare register change during timer count operation If the v.
102 CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6 [MEMO].
103 CHAPTER 7 WATCHDOG TIMER CHAPTER 7 WATCHDOG TIMER 7.1 Watchdog Timer Functions The watchdog timer has the following functions. • Watchdog timer • Interval timer Caution Select the watchdog tim.
104 CHAPTER 7 WATCHDOG TIMER (2) Interval timer mode Interrupt requests are generated at the preset time intervals. Table 7-2. Interval Times Interval Time MCS = 1 CS = 0 2 11 × 1/f XX 2 11 × 1/f X (410 µ s) 2 12 × 1/f X (819 µ s) 2 12 × 1/f XX 2 12 × 1/f X (819 µ s) 2 13 × 1/f X (1.
105 CHAPTER 7 WATCHDOG TIMER Prescaler f XX 2 4 f XX 2 5 f XX 2 6 f XX 2 7 f XX 2 8 f XX 2 9 Selector Watchdog Timer Mode Register Internal Bus Internal Bus TCL22 TCL21 TCL20 f XX /2 3 f XX 2 11 Timer.
106 CHAPTER 7 WATCHDOG TIMER 7.3 Watchdog Timer Control Registers The following two types of registers are used to control the watchdog timer. • Timer clock select register 2 (TCL2) • Watchdog timer mode register (WDTM) (1) Timer clock select register 2 (TCL2) This register sets the watchdog timer count clock.
107 CHAPTER 7 WATCHDOG TIMER Figure 7-2. Timer Clock Select Register 2 Format TCL27 7 TCL26 6 TCL25 0 4 0 3210 FF42H Address TCL2 Symbol TCL22 TCL21 TCL20 5 00H After Reset R/W R/W 0 0 0 0 1 1 1 1 0 0.
108 CHAPTER 7 WATCHDOG TIMER RUM 7 0 6 0 WDTM4 4 WDTM3 3210 FFF9H Address WDTM Symbol 000 5 00H After Reset R/W R/W RUN 0 1 Watchdog Timer Operation Mode Selection Note 3 Count stop Counter is cleared and counting starts.
109 CHAPTER 7 WATCHDOG TIMER 7.4 Watchdog Timer Operations 7.4.1 Watchdog timer operation When bit 4 (WDTM4) of the watchdog timer mode register (WDTM) is set to 1, the watchdog timer is operated to detect any inadvertent program loop.
110 CHAPTER 7 WATCHDOG TIMER 7.4.2 Interval timer operation The watchdog timer operates as an interval timer which generates interrupt requests repeatedly at an interval of the preset count value when bit 4 (WDTM4) of the watchdog timer mode register (WDTM) is set to 0.
111 CHAPTER 8 CLOCK OUTPUT CONTROL CIRCUIT CLOE PCL/P35 Pin Output ** CHAPTER 8 CLOCK OUTPUT CONTROL CIRCUIT 8.1 Clock Output Control Circuit Functions The clock output control circuit is intended for carrier output during remote controlled transmission and clock output for supply to peripheral LSI.
112 CHAPTER 8 CLOCK OUTPUT CONTROL CIRCUIT 8.2 Clock Output Control Circuit Configuration The clock output control circuit consists of the following hardware. Table 8-1. Clock Output Control Circuit Configuration Item Configuration Timer clock select register 0 (TCL0) Port mode register 3 (PM3) Figure 8-2.
113 CHAPTER 8 CLOCK OUTPUT CONTROL CIRCUIT 8.3 Clock Output Function Control Registers The following two types of registers are used to control the clock output function. • Timer clock select register 0 (TCL0) • Port mode register 3 (PM3) (1) Timer clock select register 0 (TCL0) This register sets PCL output clock.
114 CHAPTER 8 CLOCK OUTPUT CONTROL CIRCUIT PM37 7 PM36 6 PM35 PM34 4 PM33 3210 FF23H Address PM3 Symbol PM32 PM31 PM30 5 FFH After Reset R/W R/W PM3n 0 1 P3n Pin Input/Output Mode Selection (n=0 to 7) Output mode (output buffer ON) Input mode (output buffer OFF) (2) Port mode register 3 (PM3) This register set port 3 input/output in 1-bit units.
115 CHAPTER 9 BUZZER OUTPUT CONTROL CIRCUIT Internal Bus f XX /2 9 f XX /2 10 f XX /2 11 TCL27 TCL26 TCL25 3 PM36 Selector Timer Clock Select Register 2 Port Mode Register 3 BUZ / P36 P36 Output Latch CHAPTER 9 BUZZER OUTPUT CONTROL CIRCUIT 9.1 Buzzer Output Control Circuit Functions The buzzer output control circuit outputs 1.
116 CHAPTER 9 BUZZER OUTPUT CONTROL CIRCUIT 9.3 Buzzer Output Function Control Registers The following two types of registers are used to control the buzzer output function. • Timer clock select register 2 (TCL2) • Port mode register 3 (PM3) (1) Timer clock select register 2 (TCL2) This register sets the buzzer output frequency.
117 CHAPTER 9 BUZZER OUTPUT CONTROL CIRCUIT Figure 9-2. Timer Clock Select Register 2 Format TCL27 7 TCL26 6 TCL25 0 4 0 3210 FF42H Address TCL2 Symbol TCL22 TCL21 TCL20 5 00H After Reset R/W R/W 0 0 .
118 CHAPTER 9 BUZZER OUTPUT CONTROL CIRCUIT PM37 7 PM36 6 PM35 PM34 4 PM33 3210 FF23H Address PM3 Symbol PM32 PM31 PM30 5 FFH After Reset R/W R/W PM3n 0 1 P3n Pin Input /Output Mode Selection (n=0 to 7) Output mode (output buffer ON) Input mode (output buffer OFF) (2) Port mode register 3 (PM3) This register sets port 3 input/output in 1-bit units.
119 CHAPTER 10 A/D CONVERTER CHAPTER 10 A/D CONVERTER 10.1 A/D Converter Functions The A/D converter converts an analog input into a digital value. It consists of 8 channels (ANI0 to ANI7) with an 8-bit resolution.
120 CHAPTER 10 A/D CONVERTER Figure 10-1. A/D Converter Block Diagram Notes 1. Selector to select the number of channels to be used for analog input. 2. Selector to select the channel for A/D conversion. 3. External interrupt mode register 1 (INTM1) bits 0 and 1.
121 CHAPTER 10 A/D CONVERTER (1) Successive approximation register (SAR) This register compares the analog input voltage value to the voltage tap (compare voltage) value applied from the series resistor string and holds the result from the most significant bit (MSB).
122 CHAPTER 10 A/D CONVERTER 10.3 A/D Converter Control Registers The following three types of registers are used to control the A/D converter. • A/D converter mode register (ADM) • A/D converter .
123 CHAPTER 10 A/D CONVERTER Figure 10-2. A/D Converter Mode Register Format Notes 1. Set so that the A/D conversion time is 19.1 µ s or more. 2. Setting prohibited because A/D conversion time is less than 19.
124 CHAPTER 10 A/D CONVERTER (2) A/D converter input select register (ADIS) This register determines whether the ANI0/P10 to ANI7/P17 pins should be used for analog input channels or ports. Pins other than those selected as analog input can be used as input/output ports.
125 CHAPTER 10 A/D CONVERTER (3) External interrupt mode register 1 (INTM1) This register sets the valid edge for INTP3. INTM1 is set with an 8-bit memory manipulation instruction.
126 CHAPTER 10 A/D CONVERTER 10.4 A/D Converter Operations 10.4.1 Basic operations of A/D converter (1) Set the number of analog input channels with A/D converter input select register (ADIS). (2) From among the analog input channels set with ADIS, select one channel for A/D conversion with A/D converter mode register (ADM).
127 CHAPTER 10 A/D CONVERTER SAR ADCR INTAD A / D Converter Operation Sampling Time Sampling A / D Conversion Conversion Time Undefined 80H C0H or 40H Conversion Result Conversion Result Figure 10-5.
128 CHAPTER 10 A/D CONVERTER 10.4.2 Input voltage and conversion results The relation between the analog input voltage input to the analog input pins (ANI0 to ANI7) and the A/D conversion result (the value stored in A/D conversion result register (ADCR)) is shown by the following expression.
129 CHAPTER 10 A/D CONVERTER ADM Rewrite CS=1, TRG=1 Standby State ANIn INTP3 A /D Conversion ADCR INTAD ANIn ANIn ANIn ANIm ANIm ANIn ANIn Standby State Standby State ADM Rewrite CS=1, TRG=1 ANIm ANIm ANIm 10.
130 CHAPTER 10 A/D CONVERTER Conversion Start CS=1, TRG=0 A /D Conversion ADCR INTAD ANIn ANIn ANIm ANIn ANIm ANIm ANIn ANIn ADM Rewrite CS=1, TRG=0 ADM Rewrite CS=0, TRG=0 Conversion suspended Conver.
131 CHAPTER 10 A/D CONVERTER 10.5 A/D Converter Cautions (1) Power consumption in standby mode The A/D converter operates on the main system clock. Therefore, its operation stops in STOP mode. As a current still flows in the AV REF pin at this time, this current must be cut in order to minimize the overall system power dissipation.
132 CHAPTER 10 A/D CONVERTER (3) Noise countermeasures In order to maintain 8-bit resolution, attention must be paid to noise on pins AV REF and ANI0 to ANI7.
133 CHAPTER 10 A/D CONVERTER A /D Conversion ADCR INTAD ANIn ANIn ANIm ANIm ANIn ANIn ANIm ANIm ADM Rewrite (Start of ANIn Conversion) ADM Rewrite (Start of ANIm Conversion) ADIF is set but ANIm conve.
134 CHAPTER 10 A/D CONVERTER [MEMO].
135 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 11.1 Serial Interface Channel 2 Functions Serial interface channel 2 has the following three modes.
136 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 11.2 Serial Interface Channel 2 Configuration Serial interface channel 2 consists of the following hardware. Table 11-1.
137 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Internal Bus Asynchronous Serial Interface Mode Register Asynchronous Serial Interface Status Register Receive Buffer Register (RXB/SIO2) Direction Control Ci.
138 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 TPS3 TPS2 TPS1 TPS0 Internal Bus MDL3 MDL2 MDL1 MDL0 Baud Rate Generator Control Register 4 TXE CSIE2 5-Bit Counter Selector Selector Decoder 1/2 Selector Tra.
139 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (1) Transmit shift register (TXS) This register is used to set the transmit data. The data written in TXS is transmitted as serial data. If the data length is specified as 7 bits, bits 0 to 6 of the data written in TXS are transferred as transmit data.
140 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 11.3 Serial Interface Channel 2 Control Registers Serial interface channel 2 is controlled by the following four registers.
141 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 6543210 7 Symbol ASIM TXE RXE PS1 PS0 CL SL ISRM SCK FF70H 00H R/W Address After Reset R/W SCK 0 1 Clock Selection in Asynchronous Serial Interface Mode Input.
142 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Table 11-2. Serial Interface Channel 2 Operating Mode Settings (1) Operation Stop Mode (2) 3-wire Serial I/O Mode (3) Asynchronous Serial Interface Mode Notes 1. Can be used freely as port function. 2. Can be used as P70 (CMOS input/output) when only transmitter is used.
143 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 PE 6543210 7 Symbol ASIS 0 0 0 0 0 FE OVE FF71H 00H R Address After Reset R/W OVE 0 1 Overrun Error Flag Overrun error not generated Overrun error generated N.
144 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Baud Rate Generator Input Clock Selection MDL3 MDL2 MDL1 MDL0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 .
145 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Figure 11-6. Baud Rate Generator Control Register Format (2/2) 5-Bit Counter Source Clock Selection TPS3 TPS2 TPS1 TPS0 n MCS=1 MCS=0 00 00 f XX /2 10 f XX /2 10 (4.9 kHz) f X /2 11 (2.4 kHz) 11 01 01 f XX f X (5.
146 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 The baud rate transmit/receive clock generated is either a signal scaled from the main system clock, or a signal scaled from the clock input from the ASCK pin.
147 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (b) Generation of baud rate transmit/receive clock by means of external clock from ASCK pin The transmit/receive clock is generated by scaling the clock input from the ASCK pin. The baud rate generated from the clock input from the ASCK pin is obtained with the following expression.
148 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 11.4 Serial Interface Channel 2 Operation Serial interface channel 2 has the following three modes. • Operation stop mode • Asynchronous serial interface (UART) mode • 3-wire serial I/O mode 11.
149 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 SL 6543210 7 Symbol ASIM TXE RXE PS1 PS0 CL ISRM SCK FF70H 00H R/W Address After Reset R/W RXE 0 1 Receive Operation Control Receive operation stopped Receive.
150 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 6543210 7 Symbol CSIM2 CSIE2 0 0 0 0 CSIM 22 CSCK 0 CSCK 0 1 Clock Selection in 3-wire Serial I/O Mode Input clock from off-chip to SCK2 pin Dedicated baud ra.
151 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Note When SCK is set to 1 and the baud rate generator output is selected, the ASCK pin can be used as an input/output port. Caution The serial transmit/receive operation must be stopped before changing the operating mode.
152 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 PE 6543210 7 Symbol ASIS 0 0 0 0 0 FE OVE FF71H 00H R Address After Reset R/W OVE 0 1 Overrun Error Flag Overrun error not generated Overrun error generated N.
153 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Baud Rate Generator Input Clock Selection MDL3 MDL2 MDL1 MDL0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 1 0 .
154 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 5-Bit Counter Source Clock Selection TPS3 TPS2 TPS1 TPS0 n MCS=1 MCS=0 00 00 f XX /2 10 f X /2 10 (4.9 kHz) f X /2 11 (2.4 kHz) 11 01 01 f XX f X (5.0 MHz) f X /2 (2.5 MHz) 1 01 10 f XX /2 f X /2 (2.5 MHz) f X /2 2 (1.
155 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 The baud rate transmit/receive clock generated is either a signal scaled from the main system clock, or a signal scaled from the clock input from the ASCK pin.
156 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (ii) Generation of baud rate transmit/receive clock by means of external clock from ASCK pin The transmit/receive clock is generated by scaling the clock input from the ASCK pin. The baud rate generated from the clock input from the ASCK pin is obtained with the following expression.
157 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (2) Communication operation (a) Data format The transmit/receive data format is as shown in Figure 11-7. Figure 11-7. Asynchronous Serial Interface Transmit/Receive Data Format 1 Data frame is configured from the following bits.
158 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (b) Parity types and operation The parity bit is used to detect a bit error in the communication data. Normally, the same kind of parity bit is used on the transmitting side and the receiving side. With even parity and odd parity, a one-bit (odd number) error can be detected.
159 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 D1 D2 D6 D7 Parity D0 TxD (Output) INTST STOP START D1 D2 D6 D7 Parity D0 TxD (Output) INTST STOP START (c) Transmission A transmit operation is started by writing transmit data to the transmit shift register (TXS).
160 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 D1 D2 D6 D7 Parity D0 RxD (Input) INTSR STOP START (d) Reception When the RXE bit of the asynchronous serial interface mode register (ASIM) is set (1), a receive operation is enabled and sampling of the RxD pin input is performed.
161 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (e) Receive errors Three kinds of errors can occur during a receive operation: a parity error, framing error, or overrun error. When a data reception results error flag is set in the asynchronous serial interface register (ASIS), a reception error interrupt request (INTSER) is generated.
162 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (3) UART mode cautions (a) In cases where bit 7 (TXE) of the asynchronous serial interface mode register (ASIM) has been cleared and a transmit operation has .
163 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 11.4.3 3-wire serial I/O mode The 3-wire serial I/O mode is useful for connection of peripheral I/Os and display controllers, etc., which incorporate a conventional synchronous clocked serial interface, such as the 75X/XL series, 78K series, 17K series, etc.
164 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 (b) Asynchronous serial interface mode register (ASIM) ASIM is set with a 1-bit or 8-bit memory manipulation instruction. RESET input sets ASIM to 00H. When the 3-wire serial I/O mode is selected, 00H should be set in ASIM.
165 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Baud Rate Generator Input Clock Selection MDL3 MDL2 MDL1 MDL0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 .
166 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 5-Bit Counter Source Clock Selection TPS3 TPS2 TPS1 TPS0 n MCS=1 MCS=0 00 00 f XX /2 10 f X /2 10 (4.9 kHz) f X /2 11 (2.4 kHz) 11 01 01 f XX f X (5.0 MHz) f X /2 (2.5 MHz) 1 01 10 f XX /2 f X /2 (2.5 MHz) f X /2 2 (1.
167 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 When the internal clock is used as the serial clock in the 3-wire serial I/O mode, set BRGC as described below. BRGC Setting is not required if an external serial clock is used. (i) When the baud rate generator is not used: Select a serial clock frequency with TPS0-TPS3.
168 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 SI2 SCK2 12345678 DI7 DI6 DI5 DI4 DI3 DI2 DI1 DI0 SO2 DO7 DO6 DO5 DO4 DO3 DO2 DO1 DO0 SRIF Transfer Start at the Falling Edge of SCK2 End of Transfer (2) Communication operation In the 3-wire serial I/O mode, data transmission/reception is performed in 8-bit units.
169 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 Figure 11-13. Circuit of Switching in Transfer Bit Order Start bit switching is realized by switching the bit order for data write to SIO2. The SIO2 shift order remains unchanged. Thus, switching between MSB-first and LSB-first must be performed before writing data to the shift register.
170 CHAPTER 11 SERIAL INTERFACE CHANNEL 2 [MEMO].
171 CHAPTER 12 INTERRUPT FUNCTION CHAPTER 12 INTERRUPT FUNCTION 12.1 Interrupt Function Types The following three types of interrupt functions are used. (1) Non-maskable interrupt This interrupt is acknowledged unconditionally even in the interrupt disabled status.
172 CHAPTER 12 INTERRUPT FUNCTION 12.2 Interrupt Sources and Configuration There are a total of 13 interrupts, combining non-maskable interrupts, maskable interrupts and software interrupts (see Table 12-1 ).
173 CHAPTER 12 INTERRUPT FUNCTION Internal Bus IE PR ISP MK IF Interrupt Request Priority Control Circuit Vector Table Address Generator Standby Release Signal Internal Bus Priority Control Circuit Vector Table Address Generator Standby Release Signal Interrupt Request Figure 12-1.
174 CHAPTER 12 INTERRUPT FUNCTION Internal Bus Priority Control Circuit Vector Table Address Generator Interrupt Request External Interrupt Mode Register (INTM0, INTM1) Edge Detector Interrupt Request IE PR ISP MK IF Priority Control Circuit Vector Table Address Generator Standby Release Signal Internal Bus Figure 12-1.
175 CHAPTER 12 INTERRUPT FUNCTION 12.3 Interrupt Function Control Registers The following five types of registers are used to control the interrupt functions.
176 CHAPTER 12 INTERRUPT FUNCTION Cautions 1. TMIF4 flag is R/W enabled only when a watchdog timer is used as an interval timer. If a watchdog timer is used in watchdog timer mode 1, set TMIF4 flag to 0. 2. Set 0 to the bits 1, 5 to 7 of IF0L and bits 0, 1, 5 to 7 of IF0H and IF1L.
177 CHAPTER 12 INTERRUPT FUNCTION Cautions 1. If TMMK4 flag is read when a watchdog timer is used in watchdog timer mode 1, MK0 value becomes undefined. 2. Because port 0 has a dual function as the external interrupt request input, when the output level is changed by specifying the output mode of the port function, an interrupt request flag is set.
178 CHAPTER 12 INTERRUPT FUNCTION Cautions 1. If a watchdog timer is used in watchdog timer mode 1, set TMPR4 flag to 1. 2. Set 1 to the bits 1, 5 to 7 of PR0L and bits 0, 1, 5 to 7 of PR0H and PR1L.
179 CHAPTER 12 INTERRUPT FUNCTION (4) External interrupt mode register (INTM0, INTM1) These registers set the valid edge for INTP1 to INTP3. INTM0 and INTM1 are set by 8-bit memory manipulation instructions. RESET input sets these registers to 00H. Figure 12-5.
180 CHAPTER 12 INTERRUPT FUNCTION (5) Program status word (PSW) The program status word is a register to hold the instruction execution result and the current status for interrupt request. The IE flag to set maskable interrupt enable/disable and the ISP flag to control multiple interrupt processing are mapped.
181 CHAPTER 12 INTERRUPT FUNCTION 12.4 Interrupt Servicing Operations 12.4.1 Non-maskable interrupt request acknowledge operation A non-maskable interrupt request is unconditionally acknowledged even if in an interrupt request acknowledge disable state.
182 CHAPTER 12 INTERRUPT FUNCTION WDTM4=1 (with watchdog timer mode selected)? Overflow in WDT? WDTM3=0 (with non-maskable interrupt selected)? Interrupt request generation WDT interrupt servicing? In.
183 CHAPTER 12 INTERRUPT FUNCTION Figure 12-10. Non-Maskable Interrupt Request Acknowledge Operation (a) If a new non-maskable interrupt request is generated during non-maskable interrupt servicing pr.
184 CHAPTER 12 INTERRUPT FUNCTION 12.4.2 Maskable interrupt request acknowledge operation A maskable interrupt request becomes acknowledgeable when an interrupt request flag is set to 1 and the interrupt mask (MK) flag is cleared to 0. A vectored interrupt request is acknowledged in an interrupt enable state (with IE flag set to 1).
185 CHAPTER 12 INTERRUPT FUNCTION Figure 12-11. Interrupt Request Acknowledge Processing Algorithm Start × × IF=1? × × MK=0? × × PR=0? Any Simultaneously generated ×× PR=0 interrupt requests? .
186 CHAPTER 12 INTERRUPT FUNCTION Figure 12-12. Interrupt Request Acknowledge Timing (Minimum Time) Remark 1 clock : (f CPU : CPU clock) Figure 12-13. Interrupt Request Acknowledge Timing (Maximum Tim.
187 CHAPTER 12 INTERRUPT FUNCTION 12.4.3 Software interrupt request acknowledge operation A software interrupt request is acknowledged by BRK instruction execution.
188 CHAPTER 12 INTERRUPT FUNCTION Table 12-4. Interrupt Request Enabled for Multiple Interrupt during Interrupt Servicing Maskable Interrupt Request PR=0 PR=1 IE=1 IE=0 IE=1 IE=0 Non-maskable interrupt D DDDD Maskable interrupt ISP=0 E E D D D ISP=1 E E D E D Software interrupt E E D E D Remarks 1.
189 CHAPTER 12 INTERRUPT FUNCTION Main Processing INTxx Servicing INTyy Servicing INTxx (PR=0) 1 Instruction Execution IE=0 INTyy (PR=1) EI IE=0 EI RETI RETI Main Processing EI INTxx (PR=1) INTyy (PR=0) IE=0 EI RETI INTxx Servicing INTzz (PR=0) IE=0 EI RETI INTyy Servicing IE=0 RETI INTzz Servicing Figure 12-14.
190 CHAPTER 12 INTERRUPT FUNCTION Main Processing INTxx Servicing INTyy Servicing INTxx (PR=0) 1 Instruction Execution IE=0 INTyy (PR=0) IE=0 RETI RETI EI Figure 12-14 Multiple Interrupt Example (2/2) Example 3. Example of when a multiple interrupt is not generated because interrupts are not enabled.
191 CHAPTER 12 INTERRUPT FUNCTION 12.4.5 Interrupt request reserve There are some instructions which, though an interrupt request may be generated while they are being executed, will reserve the acknowledgment of the request until after execution of the next instruction.
192 CHAPTER 12 INTERRUPT FUNCTION The interrupt request reserve timing is shown in Figure 12-15. Figure 12-15. Interrupt Request Hold Remarks 1. Instruction N: Instruction that holds interrupts requests 2. Instruction M: Instructions other than instruction N 3.
193 CHAPTER 13 STANDBY FUNCTION CHAPTER 13 STANDBY FUNCTION 13.1 Standby Function and Configuration 13.1.1 Standby function The standby function is designed to decrease power consumption of the system. The following two modes are available. (1) HALT mode HALT instruction execution sets the HALT mode.
194 CHAPTER 13 STANDBY FUNCTION Address FFFAH 04H After Reset R/W R/W 0 0 0 0 1 Selection of Oscillation Stabilization Time when STOP Mode is Released 2 12 /f xx 2 14 /f xx 2 15 /f xx 2 16 /f xx 2 17 /f xx OSTS2 7 0 Symbol OSTS 6 0 5 0 4 0 3 0 2 OSTS2 1 OSTS1 0 OSTS0 0 0 1 1 0 Other than above OSTS1 MCS = 1 MCS = 0 2 12 /f x (819 s) 2 14 /f x (3.
195 CHAPTER 13 STANDBY FUNCTION 13.2 Standby Function Operations 13.2.1 HALT mode (1) HALT mode set and operating status The HALT mode is set by executing the HALT instruction. The operating status in the HALT mode is described below. Table 13-1. HALT Mode Operating Status Item HALT Mode Operating Status Clock generator Can be oscillated.
196 CHAPTER 13 STANDBY FUNCTION HALT Instruction Wait Standby Release Signal Operating Mode Clock HALT Mode Wait Oscillation Operating Mode (2) HALT mode clear The HALT mode can be cleared with the following three types of sources. (a) Clear upon unmasked interrupt request An unmasked interrupt request is used to clear the HALT mode.
197 CHAPTER 13 STANDBY FUNCTION (c) Clear upon RESET input As is the case with normal reset operation, a program is executed after branch to the reset vector address. Figure 13-3. HALT Mode Release by RESET Input Remarks 1. f X : main system clock oscillation frequency 2.
198 CHAPTER 13 STANDBY FUNCTION 13.2.2 STOP mode (1) STOP mode set and operating status The STOP mode is set by executing the STOP instruction. Cautions 1. When the STOP mode is set, the X2 pin is internally connected to V DD via a pull-up resistor to minimize the leakage current at the crystal oscillator.
199 CHAPTER 13 STANDBY FUNCTION STOP Instruction Wait (Time set by OSTS) Oscillation Stabilization Wait Status Operating Mode Oscillation Operationg Mode STOP Mode Oscillation Stop Oscillation Standby Release Signal Clock (2) STOP mode release The STOP mode can be cleared with the following two types of sources.
200 CHAPTER 13 STANDBY FUNCTION RESET Signal Operating Mode Clock Reset Period STOP Mode Oscillation Stop Oscillation Stabilization Wait Status Operating Mode Oscillation Wait (2 17 /f x : 26.
201 CHAPTER 14 RESET FUNCTION RESET Count Clock Reset Control Circuit Watchdog Timer Stop Over- flow Reset Signal Interrupt Function CHAPTER 14 RESET FUNCTION 14.1 Reset Function The following two operations are available to generate the reset signal.
202 CHAPTER 14 RESET FUNCTION RESET Internal Reset Signal Port Pin Delay Delay Hi-Z X1 Normal Operation Reset Period (Oscillation Stop) Oscillation Stabilization Time Wait Normal Operation (Reset Proc.
203 CHAPTER 14 RESET FUNCTION Table 14-1. Hardware Status after Reset (1/2) Hardware Status after Reset Program counter (PC) Note1 The contents of reset vector tables (0000H and 0001H) are set.
204 CHAPTER 14 RESET FUNCTION Table 14-1. Hardware Status after Reset (2/2) Hardware Status after Reset Interrupt Request flag register (IF0L, IF0H, IF1L) 00H Mask flag register (MK0L, MK0H, MK1L) FFH Priority specify flag register (PR0L, PR0H, PR1L) FFH External interrupt mode register (INTM0, INTM1) 00H Notes 1.
205 CHAPTER 15 µ PD78P083 CHAPTER 15 µ PD78P083 The µ PD78P083 is a single-chip microcontroller with an on-chip one-time PROM or with an on-chip EPROM which has program write, erasure and rewrite capability. Differences between the µ PD78P083 and mask ROM versions are shown in Table 15-1.
206 CHAPTER 15 µ PD78P083 Caution If using mask ROM versions, do not specify any values in the IMS other than when resetting. The IMS settings to give the same memory map as mask ROM versions are shown in Table 15-2.
207 CHAPTER 15 µ PD78P083 RESET V PP V DD CE OE PGM D0-D7 15.2 PROM Programming The µ PD78P083 incorporate a 24-Kbyte PROM as program memory, respectively. To write a program into the µ PD78P083 PROM, make the device enter the PROM programming mode by setting the levels of the V PP and RESET pins as specified.
208 CHAPTER 15 µ PD78P083 (3) Standby mode Setting CE to H sets the standby mode. In this mode, data output becomes high impedance irrespective of the status of OE. (4) Page data latch mode Setting CE to H, PGM to H, and OE to L at the start of the page write mode sets the page data latch mode.
209 CHAPTER 15 µ PD78P083 15.2.2 PROM write procedure Figure 15-2. Page Program Mode Flowchart Start Address = G V DD = 6.5 V, V PP = 12.5 V X = 0 Latch Address = Address + 1 Latch Address = Address + 1 Latch Address = Address + 1 Latch X = X + 1 0.1-ms program pulse Verify 4 Bytes Pass Address = N? No Pass V DD = 4.
210 CHAPTER 15 µ PD78P083 Figure 15-3. Page Program Mode Timing Page Data Latch Page Program Program Verify Data Input Data Output A2-A14 A0, A1 D0-D7 V PP V DD V PP V DD +1.
211 CHAPTER 15 µ PD78P083 Figure 15-4. Byte Program Mode Flowchart Start Address = G V DD = 6.5 V, V PP = 12.5 V X = 0 X = X + 1 0.1-ms program pulse Verify Address = N? V DD = 4.
212 CHAPTER 15 µ PD78P083 Figure 15-5. Byte Program Mode Timing Cautions 1. Be sure to apply V DD before applying V PP , and remove it after removing V PP . 2. V PP must not exceed +13.5 V including overshoot voltage. 3. Disconnecting/inserting the device from/to the on-board socket while +12.
213 CHAPTER 15 µ PD78P083 15.2.3 PROM reading procedure PROM contents can be read onto the external data bus (D0 to D7) using the following procedure. (1) Fix the RESET pin low, and supply +5 V to the V PP pin. Unused pins are handled as shown in paragraph, (2) “PROM programming mode” in section 1.
214 CHAPTER 15 µ PD78P083 15.3 Erasure Procedure ( µ PD78P083DU Only) With the µ PD78P083DU, it is possible to erase ( or set all contents to FFH) the data contents written in the program memory, and rewrite the memory. The data can be erased by exposing the window to light with a wavelength of approximately 400 nm or shorter.
215 CHAPTER 16 INSTRUCTION SET CHAPTER 16 INSTRUCTION SET This chapter describes each instruction set of the µ PD78083 subseries as list table. For details of its operation and operation code, refer to the separate document “78K/0 series USER’S MANUAL—Instruction (IEU-1372) .
216 CHAPTER 16 INSTRUCTION SET 16.1 Legends Used in Operation List 16.1.1 Operand identifiers and description methods Operands are described in “Operand” column of each instruction in accordance with the description method of the instruction operand identifier (refer to the assembler specifications for detail).
217 CHAPTER 16 INSTRUCTION SET 16.1.2 Description of “operation” column A : A register; 8-bit accumulator X : X register B : B register C : C register D : D register E : E register H : H register .
218 CHAPTER 16 INSTRUCTION SET 16.2 Operation List Clock Flag Note 1 Note 2 ZA C C Y r, #byte 2 4 – r ← byte saddr, #byte 3 6 7 (saddr) ← byte sfr, #byte 3 – 7 sfr ← byte A, r Note 3 12 – .
219 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y rp, #word 3 6 – rp ← word saddrp, #word 4 8 10 (saddrp) ← word sfrp, #word 4 – 10 sfrp ← word AX, saddrp 2 6 8 AX ← (saddrp.
220 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y A, #byte 2 4 – A, CY ← A – byte ×× × saddr, #byte 3 6 8 (saddr), CY ← (saddr) – byte ×× × A, r Note 3 2 4 – A, CY ←.
221 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y A, #byte 2 4 – A ← A byte × saddr, #byte 3 6 8 (saddr) ← (saddr) byte × A, r Note 3 24 – A ← A r × r, A 2 4 – r ← r A .
222 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y ADDW AX, #word 3 6 – AX, CY ← AX + word ×× × SUBW AX, #word 3 6 – AX, CY ← AX – word ×× × CMPW AX, #word 3 6 – AX –.
223 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y CY, saddr.bit 3 6 7 CY ← CY (saddr.bit) × CY, sfr.bit 3 – 7 CY ← CY sfr.bit × AND1 CY, A.bit 2 4 – CY ← CY A.bit × CY, PSW.bit 3 – 7 CY ← CY PSW.bit × CY, [HL].bit 2 6 7 CY ← CY (HL).
224 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y (SP – 1) ← (PC + 3) H , (SP – 2) ← (PC + 3) L , PC ← addr16, SP ← SP – 2 (SP – 1) ← (PC + 2) H , (SP – 2) ← (PC +.
225 CHAPTER 16 INSTRUCTION SET Clock Flag Note 1 Note 2 ZA C C Y saddr.bit, $addr16 3 8 9 PC ← PC + 3 + jdisp8 if(saddr.bit) = 1 sfr.bit, $addr16 4 – 11 PC ← PC + 4 + jdisp8 if sfr.bit = 1 BT A.bit, $addr16 3 8 – PC ← PC + 3 + jdisp8 if A.bit = 1 PSW.
226 CHAPTER 16 INSTRUCTION SET 16.3 Instructions Listed by Addressing Type (1) 8-bit instructions MOV, XCH, ADD, ADDC, SUB, SUBC, AND, OR, XOR, CMP, MULU, DIVUW, INC, DEC, ROR, ROL, RORC, ROLC, ROR4, .
227 CHAPTER 16 INSTRUCTION SET Second Operand [HL + byte] #byte A r Note sfr saddr !addr16 PSW [DE] [HL] [HL + B] $addr16 1 None First Operand [HL + C] A ADD MOV MOV MOV MOV MOV MOV MOV MOV ROR ADDC X.
228 CHAPTER 16 INSTRUCTION SET (2) 16-bit instructions MOVW, XCHW, ADDW, SUBW, CMPW, PUSH, POP, INCW, DECW Second Operand First Operand AX ADDW MOVW MOVW MOVW MOVW MOVW SUBW XCHW CMPW rp MOVW MOVW Not.
229 CHAPTER 16 INSTRUCTION SET AX !addr16 !addr11 [addr5] $addr16 (4) Call/instructions/branch instructions CALL, CALLF, CALLT, BR, BC, BNC, BZ, BNZ, BT, BF, BTCLR, DBNZ Second Operand First Operand B.
230 CHAPTER 16 INSTRUCTION SET [MEMO].
231 APPENDIX A DEVELOPMENT TOOLS APPENDIX A DEVELOPMENT TOOLS The following development tools are available for the development of systems which employ the µ PD78083 subseries.
232 APPENDIX A DEVELOPMENT TOOLS Figure A-1. Development Tool Configuration Embedded software • Real-time OS, OS • Fuzzy inference development support system PROM programmer control software • P.
233 APPENDIX A DEVELOPMENT TOOLS A.1 Language Processing Software RA78K/0 This assembler converts a program written in mnemonics into an object code executable with a Assembler Package microprocontroller. Further, this assembler is provided with functions capable of automatically creating symbol tables and branch instruction optimization.
234 APPENDIX A DEVELOPMENT TOOLS A.2 PROM Programming Tools A.2.1 Hardware PG-1500 This is a PROM programmer capable of programming the single-chip microcontroller with on-chip PROM programmer PROM by manipulating from the stand-alone or host machine through connection of the separately available programmer adapter and the attached board.
235 APPENDIX A DEVELOPMENT TOOLS A.3 Debugging Tools A.3.1 Hardware IE-78000-R-A This in-circuit emulator helps users in debugging hardware and software of an application system In-circuit emulator that includes a 78K/0 series device. This in-circuit emulator supports integrated debugger (supporting integrated (ID78K0).
236 APPENDIX A DEVELOPMENT TOOLS A.3.2 Software (1/3) SM78K0 This simulator can debug target system at C source level or assembler level while simulating System simulator operation of target system on host machine.
237 APPENDIX A DEVELOPMENT TOOLS A.3.2 Software (2/3) ID78K0 This is control program that debugs 78K/0 series. Integrated debugger This program employs Windows on personal computer and OSF/Motif™ on EWS as graphical user interface, and provides appearance and operability conforming to interface.
238 APPENDIX A DEVELOPMENT TOOLS A.3.2 Software (3/3) SD78K/0 This program controls IE-78000-R on host machine with IE-78000-R and host machine Screen debugger connected with serial interface (RS-232-C). It is used with optional device file (DF78083).
239 APPENDIX A DEVELOPMENT TOOLS A.4 OS for IBM PC As the OS for IBM PC, the following is supported. To run SM78K0, ID78K0, or FE9200 (refer to B.2 Fuzzy Inference Development Support System ), Windows (Ver. 3.0 to Ver. 3.1) is necessary. OS Version PC DOS Ver.
240 APPENDIX A DEVELOPMENT TOOLS A.5 System-Upgrade Method from Other In-Circuit Emulators to 78K/0 Series In-Circuit Emulator If you already have an in-circuit emulator for the 78K series or the 75X/.
241 APPENDIX A DEVELOPMENT TOOLS Drawing and Footprint for Conversion Socket (EV-9200G-44) Figure A-2. EV-9200G-44 Drawing (For Reference Only) A F D 1 E EV-9200G-44 B C M N O L K R Q I H P J G EV-9200G-44-G0E ITEM MILLIMETERS INCHES A B C D E F G H I J K L M N O P Q R 15.
242 APPENDIX A DEVELOPMENT TOOLS Figure A-3. EV-9200G-44 Footprint (For Reference Only) 0.031 × 0.394=0.315 0.031 × 0.394=0.315 A F D E B G H I J C L K EV-9200G-44-P1E ITEM MILLIMETERS INCHES A B C D E F G H I J K L 15.7 11.0 11.0 15.7 5.00 ± 0.08 5.
243 APPENDIX B EMBEDDED SOFTWARE APPENDIX B EMBEDDED SOFTWARE This section describes the embedded software which are provided for the µ PD78083 subseries to allow users to develop and maintain the application program for these subseries.
244 APPENDIX B EMBEDDED SOFTWARE B.1 Real-time OS MX78K0 µ ITRON-specification subset OS. Nucleus of MX78K0 is supplied. OS This OS performs task management, event management, and time management. It controls the task execution sequence for task management and selects the task to be executed next.
245 APPENDIX B EMBEDDED SOFTWARE B.2 Fuzzy Inference Development Support System FE9000/FE9200 This program supports input of fuzzy knowledge data (fuzzy rule and membership function), Fuzzy Knowledge Data editing (edit), and evaluation (simulation) Creation Tool FE9200 operations on Windows.
246 APPENDIX B EMBEDDED SOFTWARE [MEMO].
247 APPENDIX C REGISTER INDEX APPENDIX C REGISTER INDEX C.1 Register Index 8-bit timer mode control register (TMC5) ............................................................................................................ 87 8-bit timer register 5 (TM5) .
248 APPENDIX C REGISTER INDEX [P] P0: Port0 ........................................................................................................................................... 17, 55 P1: Port1 ..................................................
249 APPENDIX D REVISION HISTORY APPENDIX D REVISION HISTORY Major revisions by edition and revised chapters are shown below. Edition Major revisions from previous version Revised Chapter 2nd The follo.
250 APPENDIX D REVISION HISTORY Edition Major revisions from previous version Revised Chapter 2nd Figure A-1. Development Tool Configuration has been changed.
Although NEC has taken all possible steps to ensure that the documentation supplied to our customers is complete, bug free and up-to-date, we readily accept that errors may occur. Despite all the care and precautions we've taken, you may encounter problems in the documentation.
Een belangrijk punt na aankoop van elk apparaat IBM PD78083 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen IBM PD78083 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens IBM PD78083 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding IBM PD78083 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over IBM PD78083 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van IBM PD78083 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de IBM PD78083 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met IBM PD78083 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
