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USB Hub with Integrated 10/100 Ethernet Controller
Datasheet
Revision 1.0 (04-20-09) 34 SMSC LAN9512
DATASHEET
Table 3.12 EEPROM Example - 256 Byte EEPROM
EEPROM
ADDRESS
EEPROM
CONTENTS
(HEX) DESCRIPTION
00h A5 EEPROM Programmed Indicator
01h-06h 12 34 56 78 9A BC MAC Address 12 34 56 78 9A BC
07h 01 Full-Speed Polling Interval for Interrupt Endpoint (1ms)
08h 04 Hi-Speed Polling Interval for Interrupt Endpoint (4ms)
09h 05 Configuration Flags - The device is self powered and supports remote
wakeup.
0Ah-0Bh 09 04 Language ID Descriptor 0409h, English
0Ch 0A Manufacturer ID String Descriptor Length (10 bytes)
0Dh 1D Manufacturer ID String Descriptor EEPROM Word Offset (1Dh)
Corresponds to EEPROM Byte Offset 3Ah
0Eh 00 Product Name String Descriptor Length (0 bytes - NA)
0Fh 00 Product Name String Descriptor EEPROM Word Offset (Don’t Care)
10h 00 Serial Number String Descriptor Length (0 bytes - NA)
11h 00 Serial Number String Descriptor EEPROM Word Offset (Don’t Care)
12h 00 Configuration String Descriptor Length (0 bytes - NA)
13h 00 Configuration String Descriptor Word Offset (Don’t Care)
14h 00 Interface String Descriptor Length (0 bytes - NA)
15h 00 Interface String Descriptor Word Offset (Don’t Care)
16h 12 Hi-Speed Device Descriptor Length (18 bytes)
17h 22h Hi-Speed Device Descriptor Word Offset (22h)
Corresponds to EEPROM Byte Offset 44h
18h 12 Hi-Speed Configuration and Interface Descriptor Length (18 bytes)
19h 2B Hi-Speed Configuration and Interface Descriptor Word Offset (2Bh)
Corresponds to EEPROM Byte Offset 56h
1Ah 12 Full-Speed Device Descriptor Length (18 bytes)
1Bh 34 Full-Speed Device Descriptor Word Offset (34h)
Corresponds to EEPROM Byte Offset 68h
1Ch 12 Full-Speed Configuration and Interface Descriptor Length (18bytes)
1Dh 3D Full-Speed Configuration and Interface Descriptor Word Offset (3Dh)
Corresponds to EEPROM Byte Offset 7Ah
1Eh 00 RESERVED
1Fh 00 RESERVED
20h 24 Vendor ID LSB Register (VIDL)