SMSC LAN9420 User Manual

Page of 169
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08)
102
SMSC LAN9420/LAN9420i
DATASHEET
4.2.12
EEPROM Data Register (E2P_DATA)
This register is used in conjunction with the E2P_CMD register to perform read and write operations
with the serial EEPROM. 
Note 4.3
Following reset, the default value of the EEPROM Data reflects the last value read by the
EEPROM controller during auto-loading, or the last value read during an attempt to auto-
load the EEPROM contents.
Offset:
00FCh
Size:
32 bits
BITS
DESCRIPTION
TYPE
DEFAULT
31:8
RESERVED
RO
-
7:0
EEPROM Data
Value read from or written to the EEPROM.
R/W