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AMD Geode™ LX Processors Data Book 531
Security Block Register Descriptions
33234H
6.12.3.21 SB EEPROM Address (SB_EEPROM_ADDR)
6.12.3.22 SB EEPROM Data (SB_EEPROM_DATA)
This register contains the Data bits for writing to or reading from the EEPROM.
SB Memory Offset 804h
Typ e R /W
Reset Value 000000FFh
SB_EEPROM_ADDR Register Map
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RSVD RSVD EE_ADDR
SB_EEPROM_ADDR Bit Descriptions
Bit Name Description
31:11 RSVD Reserved.
10:8 RSVD Reserved. These bits are reserved for future expansion of the EEPROM size and must
be written to 0.
7:0 EE_ADDR EEPROM Address. This is the 8-bit address for accessing one of the 256 bytes within
the EEPROM array.
SB Memory Offset 808h
Typ e R /W
Reset Value 00000000h
SB_EEPROM_DATA Register Map
313029282726252423222120191817161514131211109876543210
RSVD EE_DATA
SB_EEPROM_DATA Bit Descriptions
Bit Name Description
31:8 RSVD Reserved.
7:0 EE_DATA EEPROM Data. This register holds the 8-bit data value to be written the EEPROM array
or the data most recently read from the array. Note that when reading a hidden location,
this register will return the previous read or write data with no indication of an error.
Writes to locked locations are ignored with no indication of an error.