Filter
Top Products
230 Software Developer’s Manual
Register Descriptions
13.4.4 EEPROM Read Register
1
EERD (00014h; RW)
Table 13-7. EEPROM Read Register Bit Description
1. Not applicable to the 82544GC/EI.
31 16 15 8 7 5 4 3 1 0
Data Address RSV. DONE RSV. START
Field Bit(s)
Initial
Value
Description
START 0 0b
Start Read
Writing a 1b to this bit causes the EEPROM to read a (16-bit) word at
the address stored in the EE_ADDR field and then storing the result in
the EE_DATA field. This bit is self-clearing.
Reserved 3:1 0b Reserved. Reads as 0b.
DONE 4 0b
Read Done
Set to 1b when the EEPROM read completes.
Set to 0b when the EEPROM read is in progress.
Writes by software are ignored.
Reserved 7:5 0b Reserved. Reads as 0b.
ADDR 15:8 X
Read Address
This field is written by software along with Start Read to indicate the
word to read.
DATA 31:16 X Read Data. Data returned from the EEPROM read.