LAN9500AI datasheet(32/66 Pages) SMSC

32 / 66 page

USB 2.0 to 10/100 Ethernet Controller

Datasheet

Revision 1.1 (04-18-13)

SMSC LAN950x Family

DATASHEET

Table 5.6 EEPROM Example - 256 Byte EEPROM - LAN9500/LAN9500i

EEPROM

ADDRESS

EEPROM

CONTENTS

(HEX)

DESCRIPTION

00h

EEPROM Programmed Indicator

01h - 06h

12 34 56 78 9A BC

MAC Address 12 34 56 78 9A BC

07h

Full-Speed Polling Interval for Interrupt Endpoint (1ms)

08h

Hi-Speed Polling Interval for Interrupt Endpoint (4ms)

09h

Configuration Flags - The device is bus powered and supports remote

wakeup.

0Ah - 0Bh

09 04

Language ID Descriptor 0409h, English

0Ch

Manufacturer ID String Descriptor Length (10 bytes)

0Dh

Manufacturer ID String Descriptor EEPROM Word Offset (0Fh)

Corresponds to EEPROM Byte Offset 1Eh

0Eh

Product Name String Descriptor Length (16 bytes)

0Fh

Product Name String Descriptor EEPROM Word Offset (14h)

Corresponds to EEPROM Byte Offset 28h

10h

Serial Number String Descriptor Length (16 bytes)

11h

Serial Number String Descriptor EEPROM Word Offset (1Ch)

Corresponds to EEPROM Byte Offset 38h

12h

Configuration String Descriptor Length (0 bytes - NA)

13h

Configuration String Descriptor Word Offset (Don’t Care)

14h

Interface String Descriptor Length (0 bytes - NA)

15h

Interface String Descriptor Word Offset (Don’t Care)

16h

Hi-Speed Device Descriptor Length (18 bytes)

17h

Hi-Speed Device Descriptor Word Offset (24h)

Corresponds to EEPROM Byte Offset 48h

18h

Hi-Speed Configuration and Interface Descriptor Length (18 bytes)

19h

Hi-Speed Configuration and Interface Descriptor Word Offset (2Dh)

Corresponds to EEPROM Byte Offset 5Ah

1Ah

Full-Speed Device Descriptor Length (18 bytes)

1Bh

Full-Speed Device Descriptor Word Offset (36h)

Corresponds to EEPROM Byte Offset 6Ch

1Ch

Full-Speed Configuration and Interface Descriptor Length (18bytes)

1Dh

Full-Speed Configuration and Interface Descriptor Word Offset (3Fh)

Corresponds to EEPROM Byte Offset 7Eh

1Eh

Size of Manufacturer ID String Descriptor (10 bytes)

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