Datasheet

DS1878
SFP+ Controller with Digital LDD Interface
40 ______________________________________________________________________________________
Lower Memory, Register 08h–09h: V
CC
ALARM HI
Lower Memory, Register 0Ch–0Dh: V
CC
WARN HI
Lower Memory, Register 10h–11h: MON1 ALARM HI
Lower Memory, Register 14h–15h: MON1 WARN HI
Lower Memory, Register 18h–19h: MON2 ALARM HI
Lower Memory, Register 1Ch–1Dh: MON2 WARN HI
Lower Memory, Register 20h–21h: MON3 ALARM HI
Lower Memory, Register 24h–25h: MON3 WARN HI
Lower Memory, Register 28h–29h: MON4 ALARM HI
Lower Memory, Register 2Ch–2Dh: MON4 WARN HI
FACTORY DEFAULT FFFFh
READ ACCESS All
WRITE ACCESS PW2
MEMORY TYPE Nonvolatile (SEE)
08h, 0Ch,
10h, 14h, 18h,
1Ch, 20h,
24h, 28h, 2Ch
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
09h, 0Dh,
11h, 15h, 19h,
1Dh, 21h,
25h, 29h, 2Dh
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
Voltage measurement updates above this unsigned threshold set corresponding alarm or warning bits. Voltage
measurements equal to or below this threshold clear alarm or warning bits.