ADT7476AARQZ-REEL datasheet(7/72 Pages) AD

Part #	ADT7476AARQZ-REEL

Description	dBCool Remote Thermal Controller and Voltage Monitor

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Manufacturer	AD [Analog Devices]

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ADT7476A

Rev. 0 | Page 7 of 72

Pin No.

Mnemonic

Description

19

VID4/

Digital Input. Voltage supply readouts from CPU. This value is read into the VID/GPIO register (0x43).

GPIO4

General-Purpose Open Drain Digital I/O.

20

+5VIN

Analog Input. Monitors 5 V power supply.

21

+12VIN/

Analog Input. Monitors 12 V power supply.

VID5

Digital Input. Voltage supply readouts from CPU. This value is read into the VID/GPIO register (0x43).

22

+2.5VIN/

Analog Input. Monitors 2.5 V supply, typically a chipset voltage.

THERM

Alternatively, this pin can be reconfigured as a bidirectional/omnidirectional THERM pin. Can be used to time

and monitor assertions on the THERM input. For example, can be connected to the PROCHOT output of Intel’s

Pentium 4 processor or to the output of a trip point temperature sensor. Can be used as an output to signal

overtemperature conditions.

23

VCCP

Analog Input. Monitors processor core voltage (0 V to 3 V).

24

PWM1/

Digital Output (Open Drain). Pulse width modulated output to control the speed of Fan 1. Requires 10 kΩ

typical pull-up.

XTO

Also functions as the output from the XOR tree in XOR test mode.

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ADT7476AARQZ-REEL Datasheet(PDF) 7 Page - Analog Devices

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