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DS1886_V1 Datasheet - Page 63

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A2h Table 02h, Register 85h: APC VALUE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
7
85h
2
BIT 7
The digital value used for APC and recalled from A2h Table 06h in the APC and dual-closed-loop mode at the
adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.
A2h Table 02h, Register 86h–87h: SET_IBIAS VALUE
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
86h
0
7
87h
2
BIT 7
The digital value used for BIAS and recalled from A2h Table 06h in the open-loop mode at the adjusted memory
address found in TINDEX. This register is updated at the end of the temperature conversion.
A2h Table 02h, Register 88h: DACFS
FACTORY DEFAULT
READ ACCESS
WRITE ACCESS
MEMORY TYPE
9
88h
2
BIT 7
DACFS sets the slope of the DAC’s temperature compensation. In conjunction with DAC OFFSET and TINDEX,
this allows the DAC to create an output that is linearly dependent on temperature. For further details see the
Sigma Output and Reference
SFP and PON ONU Controller
with Digital LDD Interface
0000h
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
(PW2 and APC LUT EN = 0) or (PW1 and RWTBL246 and APC LUT EN = 0)
Volatile
6
5
4
2
2
2
0000h
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
(PW2 and APC LUT EN = 0) or (PW1 and RWTBL246 and APC LUT EN = 0)
Volatile
0
0
0
6
5
4
2
2
2
FFh
PW2 or (PW1 and RWTBL246) or (PW1 and RBL246)
PW2 or (PW1 and RWTBL246)
Nonvolatile (SEE)
8
7
6
2
2
2
section.
DS1886
3
2
1
2
2
2
9
0
0
2
3
2
1
2
2
2
5
4
3
2
2
2
0
2
BIT 0
8
2
0
2
BIT 0
2
2
BIT 0
Delta-
63

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