Instruction Manual

30 _____________________________________________________________________________________
DS1876
SFP Controller with Dual LDD Interface
Lower Memory, Register 10h–11h: BMON ALARM HI
Lower Memory, Register 14h–15h: BMON WARN HI
Lower Memory, Register 18h–19h: PMON ALARM HI
Lower Memory, Register 1Ch–1Dh: PMON WARN HI
Lower Memory, Register 12h–13h: BMON ALARM LO
Lower Memory, Register 16h–17h: BMON WARN LO
Lower Memory, Register 1Ah–1Bh: PMON ALARM LO
Lower Memory, Register 1Eh–1Fh: PMON WARN LO
FACTORY DEFAULT FFFFh
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WLOWER)
A2h AND B2h MEMORY Different A2h and B2h memory locations
MEMORY TYPE Nonvolatile (SEE)
10h, 14h,
18h, 1Ch
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
11h, 15h,
19h, 1Dh
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 its corresponding alarm or warning bit.
Voltage measurements equal to or below this threshold clear its alarm or warning bit.
FACTORY DEFAULT 0000h
READ ACCESS All
WRITE ACCESS PW2 or (PW1 and WLOWER)
A2h AND B2h MEMORY Different A2h and B2h memory locations
MEMORY TYPE Nonvolatile (SEE)
12h, 16h,
1Ah, 1Eh
2
15
2
14
2
13
2
12
2
11
2
10
2
9
2
8
13h, 17h,
1Bh, 1Fh
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
BIT 7 BIT 0
Voltage measurement updates below this unsigned threshold set its corresponding alarm or warning bit. Voltage
measurements equal to or above this threshold clear its alarm or warning bit.