LAN9730 Datasheet, PDF (95/222 Pages) SMSC Corporation – High-Speed Inter-Chip (HSIC) USB 2.0

LAN9730/LAN9730i
4.7.5 EXAMPLE OF EEPROM FORMAT INTERPRETATION
Table 4-61 and Table 4-62 provide an example of how the contents of an EEPROM are formatted. Table 4-61 is a dump
of the EEPROM memory (256-byte EEPROM), while Table 4-62 illustrates, byte by byte, how the EEPROM is formatted.
TABLE 4-61: DUMP OF EEPROM MEMORY
Offset Byte
0000h
0008h
0010h
0018h
0020h
0028h
0030h
0038h
0040h
0048h
0050h
0058h
0060h
0068h
0070h
0078h
0080h
0088h
0090h - 00FFh
Value
A5 12 34 56 78 9A BC 01
04 04 09 04 0A 11 12 16
10 1F 00 00 00 00 12 27
12 30 12 39 12 42 00 04
8A 00 0A 03 53 00 4D 00
53 00 43 00 12 03 4C 00
41 00 4E 00 39 00 37 00
33 00 30 00 10 03 30 00
30 00 30 00 35 00 31 00
32 00 33 00 12 01 00 02
FF 00 FF 40 24 04 30 97
00 01 01 02 03 01 09 02
27 00 01 01 00 A0 FA 09
04 00 00 03 FF 00 FF 00
12 01 00 02 FF 00 FF 40
24 04 30 97 00 01 01 02
03 01 09 02 27 00 01 01
00 A0 FA 09 04 00 00 03
FF 00 FF 00 ....................
TABLE 4-62: EEPROM EXAMPLE - 256 BYTE EEPROM
EEPROM
Address
00h
01h - 06h
07h
08h
09h
0Ah - 0Bh
0Ch
0Dh
0Eh
0Fh
10h
11h
12h
EEPROM Contents
(Hex)
A5
12 34 56 78 9A BC
01
04
04
09 04
0A
11
10
16
10
1E
00
Description
EEPROM programmed indicator
MAC Address 12 34 56 78 9A BC
Full-Speed polling interval for Interrupt Endpoint (1 ms)
Hi-Speed polling interval for Interrupt Endpoint (4 ms)
Configuration Flags - The device is bus powered and supports remote
wakeup, nSPD_LED = Speed Indicator, nLNKA_LED = Link and Activity
Indicator, nFDX_LED = full duplex Link Indicator.
Language ID Descriptor 0409h, English
Manufacturer ID String Descriptor Length (10 bytes)
Manufacturer ID String Descriptor EEPROM Word Offset (11h);
corresponds to EEPROM Byte Offset 22h
Product Name String Descriptor Length (16 bytes)
Product Name String Descriptor EEPROM Word Offset (16h);
corresponds to EEPROM Byte Offset 2Ch
Serial Number String Descriptor Length (16 bytes)
Serial Number String Descriptor EEPROM Word Offset (1Eh);
corresponds to EEPROM Byte Offset 3Ch
Configuration String Descriptor Length (0 bytes - NA)
 2012-2015 Microchip Technology Inc.
DS00001946A-page 95