Datasheet

63Maxim Integrated
SFP Controller for Dual Rx Interface
DS1877
Table 04h, Register F8h–FFh: DAC OFFSET LUT
Auxiliary Memory A0h Register Descriptions
Auxiliary Memory A0h, Register 00h–7Fh: EEPROM
FACTORY DEFAULT 00h
READ ACCESS PW2 or (PW1 and RWTBL46)
WRITE ACCESS PW2 or (PW1 and RWTBL46)
A2h AND B2h MEMORY Different A2h and B2h memory locations
MEMORY TYPE Nonvolatile (EE)
F8h–FFh 2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
BIT 7 BIT 0
The digital value for the temperature offset of the DAC1 and DAC2 VALUE outputs.
F8h
Less than or equal to -8NC
F9h
Greater than -8NC up to +8NC
FAh
Greater than +8NC up to +24NC
FBh
Greater than +24NC up to +40NC
FCh
Greater than +40NC up to +56NC
FDh
Greater than +56NC up to +72NC
FEh
Greater than +72NC up to +88NC
FFh
Greater than +88NC
The DAC VALUE is a 10-bit value. The DAC LUT is an 8-bit LUT. The DAC OFFSET LUT times 4 plus the DAC
LUT makes use of the entire 10-bit range.
FACTORY DEFAULT 00h
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WAUXA) or WAUXAU
MEMORY TYPE Nonvolatile (EE)
00h–7Fh 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
Accessible with the slave address A0h.