Datasheet

DS1878
SFP+ Controller with Digital LDD Interface
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FACTORY CALIBRATED
READ ACCESS PW2 or (PW1 and RWTBL246) or (PW1 and RTBL246)
WRITE ACCESS PW2 or (PW1 and RWTBL246)
MEMORY TYPE Nonvolatile (SEE)
AEh S 2
8
2
7
2
6
2
5
2
4
2
3
2
2
AFh 2
1
2
0
2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
BIT 7 BIT 0
Allows for offset control of temperature measurement if desired. The final result must be XORed with BB40h
before writing to this register. Factory calibration contains the desired value for a reading in degrees Celsius.
Table 02h, Register AEh–AFh: INTERNAL TEMP OFFSET