Datasheet

DS1878
SFP+ Controller with Digital LDD Interface
62 ______________________________________________________________________________________
Table 02h, Register 84h–85h: DAC1 VALUE
FACTORY DEFAULT 0000h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS (PW2 and DAC1 EN = 0) or (PW1 and RWTBL246 and DAC1 EN = 0)
MEMORY TYPE Volatile
84h 0 0 0 0 0 0 0 2
8
85h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
The digital value used for DAC1 and recalled from Table 07h at the adjusted memory address found in TINDEX.
This register is updated at the end of the temperature conversion.
V
DAC1
=
REFIN
512
DAC1 VALUE
FACTORY DEFAULT 0000h
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS (PW2 and DAC2 EN = 0) or (PW1 and RWTBL246 and DAC2 EN = 0)
MEMORY TYPE Volatile
86h 0 0 0 0 0 0 0 2
8
87h 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
The digital value used for DAC2 and recalled from Table 08h at the adjusted memory address found in TINDEX. This
register is updated at the end of the temperature conversion.
V
DAC2
=
REFIN
512
DAC2 VALUE
Table 02h, Register 86h–87h: DAC2 VALUE