Instruction/ maintenance manual of the product LAN9512 SMSC
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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.
An important point after buying a device SMSC LAN9512 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought SMSC LAN9512 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data SMSC LAN9512 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, SMSC LAN9512 you will learn all the available features of the product, as well as information on its operation. The information that you get SMSC LAN9512 will certainly help you make a decision on the purchase.
If you already are a holder of SMSC LAN9512, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime SMSC LAN9512.
However, one of the most important roles played by the user manual is to help in solving problems with SMSC LAN9512. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device SMSC LAN9512 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
