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SMSC LAN9512 Revision 1.0 (04-20-09) DA T ASHEET Datasheet PRODUCT FEA TURES LAN9512 USB Hub with Integrated 10/100 Ethernet Controller Highlight s T wo downstream ports, one upstream port — T wo integrated downstream USB 2.0 PHYs — One integrated upstream USB 2.
ORDER NUMBERS: LAN9512-JZX FOR 64-PIN, QFN LEAD-FREE ROHS COMPLIA NT P ACKAGE (0 TO +70°C TEMP RANGE) USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 2 SMSC LAN9512 DA T ASHEET 80 ARKA Y DRIVE, HAUPP AUG E, NY 1 1788 (631) 435-6 000, F AX (631) 273 -3123 Copyright © 20 09 SMSC or its sub sidiaries.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 3 Revision 1.0 (04-20-09) DA T ASHEET T able of Content s Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 4 SMSC LAN9512 DA T ASHEET List of Figures Figure 1.1 Internal Blo ck Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 5 Revision 1.0 (04-20-09) DA T ASHEET List of T ables Table 2.1 EEPROM Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 6 SMSC LAN9512 DA T ASHEET Chapter 1 Introduction 1.1 Block Diagram 1.1.1 Overview The LAN9512 is a high performance Hi-S peed USB 2.0 hub with a 10/100 Ethernet controller .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 7 Revision 1.0 (04-20-09) DA T ASHEET 1.1.2 USB Hub The integrated USB hub is ful ly compliant with the US B 2.0 S pecification and will attach to a USB host as a Full-S peed Hub or as a Full-/High-S peed Hu b.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 8 SMSC LAN9512 DA T ASHEET SUSPEND1: Supports GPIO and “Link S tatus Change” for remote wakeup events. This suspend state consumes less power than SUSPEND0. SUSPEND2: Supports only GPIO assertion for a remote wakeup event.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 9 Revision 1.0 (04-20-09) DA T ASHEET Chapter 2 Pin Description and Configuration Figure 2.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 10 SMSC LAN9512 DA T ASHEET T able 2 .1 EEPROM Pins NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 1 EEPROM Data In EEDI IS (PD) This pin is driven by the EEDO output of the external EEPROM.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 1 1 Revision 1.0 (04-20-09) DA T ASHEET 1 Ethernet Link Activity Indicator LED nLNKA_LED OD12 (PU) This pin is driven low (LED on) when a valid link is detected. This pin is pulsed hig h (LED off) for 80mS whenever transmit or receive activity is detected.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 12 SMSC LAN9512 DA T ASHEET 1 T est 2 TEST2 - Used for factory testing, this pi n must always be connected to VSS fo r proper operation. 1 T est 3 TEST3 - Used for factory testing, this pi n must always be connected to VDD33IO for prop er operation.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 13 Revision 1.0 (04-20-09) DA T ASHEET 1 External USB Bias Resistor USBRBIAS AI Used for setting HS transmit current level and on- chip termination impeda nce. Connect to an external 1 2K 1.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 14 SMSC LAN9512 DA T ASHEET Note 2.1 Exposed pad on package bottom ( Figure 2.1 ). T able 2.6 I/O Power Pins, Core Power Pins, and Ground Pad NUM PINS NAME SYMBOL BUFFER TYPE DESCRIPTION 5 +3.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 15 Revision 1.0 (04-20-09) DA T ASHEET T able 2.8 64-QFN Packa ge Pin Assignments PIN NUM PIN NAME PIN NUM PIN NAME PIN NUM PI.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 16 SMSC LAN9512 DA T ASHEET 2.1 Port Power Contro l This section details the usage of t he port power control pins PRTCTL[3:2].
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 17 Revision 1.0 (04-20-09) DA T ASHEET 2.1.2 Port Power Control Using a Poly Fuse When using theLAN9512 with a poly fuse, an external diode must be used (See F igure 2.3 ). When disabling port power , the driver will drive a ‘0’.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 18 SMSC LAN9512 DA T ASHEET Many customers use a single poly fuse to power all their devices. For the gange d situation, all power control pins must be tied together .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 19 Revision 1.0 (04-20-09) DA T ASHEET 2.2 Buffer T ypes T abl e 2.9 Buffer T ypes BUFFER TYPE DESCRIPTION IS Schmitt-triggere.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 20 SMSC LAN9512 DA T ASHEET Chapter 3 EEPROM Controller (EPC) LAN9512 may use an external EEPROM to store the default values for the USB descriptors and the MAC address.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 21 Revision 1.0 (04-20-09) DA T ASHEET 09h Configuration Flags 0Ah Language ID Descriptor [7:0 ] 0Bh Language ID Descriptor [1.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 22 SMSC LAN9512 DA T ASHEET Note: EEPROM byte addresses past 39h can be used to store data for any purpose.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 23 Revision 1.0 (04-20-09) DA T ASHEET 3.1.1 Hub Configuration EEPROM offset s 20h through 39h comprise the Hub Configuration parameters. T able 3.3 describes these parameters and their def ault ROM values (V alues assum ed if no valid EEPROM present).
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 24 SMSC LAN9512 DA T ASHEET 2Ah Port Disable (Self) Register (PDS) Disables 1 or more ports.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 25 Revision 1.0 (04-20-09) DA T ASHEET 2Eh Hub Controller Max Current (Self) Register (HCMCS) V alue in 2mA increments that the Hub con sumes from an upstream port (VBUS) when operating as a self-powere d hub.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 26 SMSC LAN9512 DA T ASHEET 36h Port Remap 12 Register (PRTR12) When a hub is enumerated by a USB Host C ontroller, the hub is only permitted to report how many ports it has.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 27 Revision 1.0 (04-20-09) DA T ASHEET Note 3.1 Default value is depe ndent on device revi sion. 37h Port Remap 3 Regis ter (PRTR3) When a hub is enumerated by a USB Host C ontroller , the hub is only permitted to report how many ports it has.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 28 SMSC LAN9512 DA T ASHEET T able 3.4 Config Dat a Byte 1 Register (CFG1 ) Format BIT S DESCRIPTION DEFAULT 7 Self or Bus Power (SELF_BUS_PWR) Selects between Self or Bus-Powered opera tion.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 29 Revision 1.0 (04-20-09) DA T ASHEET 2:1 Over Current Sense (CURRENT_SNS) Selects current sensing on a port-b y-port basis, .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 30 SMSC LAN9512 DA T ASHEET T able 3.6 Config Dat a Byte 3 Register (CFG3 ) Format BIT S DESCRIPTION DEFAULT 7:4 RESERVE D 0h 3 Port Re-Mapping Enable (PRTMAP_EN) Selects the method used by the Hub to assig n port numbers and disable ports.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 31 Revision 1.0 (04-20-09) DA T ASHEET 3:2 Up stream USB Electric al Signaling Drive Strength Boost Bit for Downstream Port 2 .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 32 SMSC LAN9512 DA T ASHEET 3.2 EEPROM Default s The signature value o f 0xA5 is stored at address 0. A diff erent signature value indicates to the EEPROM controller that no EEPROM or an un-progr ammed EEPROM is attached to the device.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 33 Revision 1.0 (04-20-09) DA T ASHEET 3.4 An Example of EEPROM Format Interpret ation T able 3.1 1 and T able 3.12 provide an example of how the c ontents of a EEPROM are formatted.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 34 SMSC LAN9512 DA T ASHEET T able 3.12 EEPROM Example - 256 Byte EEPROM EEPROM ADDRESS EEPROM CONTENT S (HEX) DESC.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 35 Revision 1.0 (04-20-09) DA T ASHEET 21h 04 V endor ID MSB Register (VIDM) 22h 12 Product ID LSB Register (PID L) 23h 95 Pro.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 36 SMSC LAN9512 DA T ASHEET 48h FF Class Code 49h 00 Subcla ss Code 4Ah FF Protocol Code 4Bh 40 Maximum Packet Size.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 37 Revision 1.0 (04-20-09) DA T ASHEET 6Ch FF Class Code 6Dh 00 Subclass Code 6Eh FF Protocol Code 6Fh 40 Maximum Packet Size .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 38 SMSC LAN9512 DA T ASHEET Chapter 4 Operational Characteristics 4.1 Absolute Maximum Ratings* Supply V oltage (VDD33IO, VDD33A) ( Note 4.1 ) . . . . . . . . . . . .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 39 Revision 1.0 (04-20-09) DA T ASHEET 4.3 Power Consumption This section details the power consumption of the device as me asured during variou s modes of operation. Power dissipation is determined by temper ature, supply voltage, and external so urce/sink requirements.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 40 SMSC LAN9512 DA T ASHEET 4.4 DC S pecifications Note 4.5 This specification appli es to all inputs and tri-stated bi-directional pins. In ternal pull-down and pull-up resi stors add +/- 50uA p er-pin (typical) T able 4.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 41 Revision 1.0 (04-20-09) DA T ASHEET Note 4.6 This is the total 5.5V input l eakage for the entire device. Note 4.7 XI can optionally be d riven from a 25MHz single-ended clock oscil lator .
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 42 SMSC LAN9512 DA T ASHEET 4.5 AC S pecifications This section details the various AC ti ming specifications of the LAN9512. Note: The USBDP and USBDM pin timing adheres to th e USB 2.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 43 Revision 1.0 (04-20-09) DA T ASHEET 4.5.3 EEPROM Timing The following specifies th e EEPROM timing requirements for LAN9512: Figure 4.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 44 SMSC LAN9512 DA T ASHEET 4.6 Clock Circuit LAN9512 can accept either a 25MHz crystal (preferred) or a 25MHz single-e nded clock oscillator (+/- 50ppm) input.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet SMSC LAN9512 45 Revision 1.0 (04-20-09) DA T ASHEET Chapter 5 Package Outline 5.1 64-QFN Package Figure 5.1 LAN9512 64-QFN Package Definition T able 5.1 LAN9512 64-QFN Dimensions MIN NOMINAL MAX REMARKS A 0.
USB Hub with Integrated 10/100 Ethernet Controller Datasheet Revision 1.0 (04-20-09) 46 SMSC LAN9512 DA T ASHEET Notes: 1. All dimensions are in mill imeters unless otherwise noted. 2. Dimension “b” applies to plated termina ls and is m easured between 0.
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