DS1876 datasheet(30/69 Pages) MAXIM

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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

215

214

213

212

211

210

11h, 15h,

19h, 1Dh

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

215

214

213

212

211

210

13h, 17h,

1Bh, 1Fh

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.

DS1876 Datasheet(PDF) 30 Page - Maxim Integrated Products

DS1876 Datasheet(HTML) 30 Page - Maxim Integrated Products

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