DS1876 datasheet(53/69 Pages) MAXIM

53 / 69 page

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SFP Controller with Dual LDD Interface

Table 02h, Register 92h–93h: VCC SCALE

Table 02h, Register 94h–97h: RESERVED

Table 02h, RegisteR 98h–99h: BMON2 SCALE

Table 02h, Register 9Ah–9Bh: PMON2 SCALE

Table 02h, Register 9Ch–9Dh: BMON1 SCALE

Table 02h, Register 9Eh–9Fh: PMON1 SCALE

Table 02h, Register A0h–A1h: INTERNAL TEMP OFFSET

FACTORY CALIBRATED

READ ACCESS

PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)

WRITE ACCESS

PW2 or (PW1 and RWTBL2)

A2h AND B2h MEMORY

Common A2h and B2h memory location

MEMORY TYPE

Nonvolatile (SEE)

92h, 94h,

96h, 98h,

9Ah, 9Ch,

9Eh

215

214

213

212

211

210

93h, 95h,

97h, 99h,

9Bh, 9Dh,

9Fh

BIT 7

BIT 0

Controls the scaling or gain of the full-scale voltage measurements. The factory-calibrated value produces an FS

voltage of 6.5536V for VCC and 2.5V for BMON2, PMON2, BMON1, and PMON1.

FACTORY CALIBRATED

READ ACCESS

PW2 or (PW1 and RWTBL2) or (PW1 and RTBL2)

WRITE ACCESS

PW2 or (PW1 and RWTBL2)

A2h AND B2h MEMORY

Common A2h and B2h memory location

MEMORY TYPE

Nonvolatile (SEE)

A0h

A1h

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.

DS1876 Datasheet(PDF) 53 Page - Maxim Integrated Products

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