Datasheet

34 Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Lower Memory, Register 68h–69h: RSSI VALUE
Lower Memory, Register 6Ah–6Dh: RESERVED
POWER-ON VALUE 0000h
READ ACCESS All
WRITE ACCESS N/A
A2h AND B2h MEMORY Different A2h and B2h memory locations
MEMORY TYPE Volatile
68h 2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
69h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
Left-justified unsigned voltage measurement.
POWER-ON VALUE 00h
READ ACCESS N/A
WRITE ACCESS N/A
A2h AND B2h MEMORY N/A
MEMORY TYPE N/A
6Ah–6Dh 0 0 0 0 0 0 0 0
BIT 7 BIT 0
These registers are reserved. The value when read is 00h.