DS1876 datasheet(56/69 Pages) MAXIM

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SFP Controller with Dual LDD Interface

Table 02h, Register BAh: HTXP2 DAC

Table 02h, Register BBh: LTXP2 DAC

Table 02h, Register BCh: RESERVED

FACTORY DEFAULT

00h

READ ACCESS

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

WRITE ACCESS

(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)

A2h AND B2h MEMORY

Common A2h and B2h memory location

MEMORY TYPE

Volatile

BAh

BIT 7

BIT 0

The digital value used for the HTXP2 reference and recalled from Table 06h (Registers E8h–EFh) (transmitter 2) at

the adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.

Comparisons greater than VHTXP2 compared against VPMON2 create a TXP HI alarm.

HTXP2

Full Scale

HTXP2 DAC

256

FACTORY DEFAULT

00h

READ ACCESS

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

WRITE ACCESS

(PW2 and QT2EN = 0) or (PW1 and RWTBL2 and QT2EN = 0)

A2h AND B2h MEMORY

Common A2h and B2h memory location

MEMORY TYPE

Volatile

BBh

BIT 7

BIT 0

The digital value used for the LTXP2 reference and recalled from Table 06h (Registers F0h–F7h) (transmitter 2) at

the adjusted memory address found in TINDEX. This register is updated at the end of the temperature conversion.

Comparisons less than VLTXP2 compared against VPMON2 create a TXP LO alarm.

LTXP2

Full Scale

LTXP2 DAC

256

FACTORY DEFAULT

READ ACCESS

N/A

WRITE ACCESS

N/A

A2h AND B2h MEMORY

N/A

MEMORY TYPE

N/A

This register is reserved.

DS1876 Datasheet(PDF) 56 Page - Maxim Integrated Products

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