ADT7476ARQZ-REEL7 データシートの表示（PDF） - Analog Devices

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ADT7476ARQZ-REEL7

dBCool™ Remote Thermal Controller and Voltage Monitor

Analog Devices 

ADT7476

Pin No.

16

17

18

19

20

21

22

Mnemonic

D2+

D1–

D1+

VID4

GPIO4

+5VIN

+12VIN

VID5

+2.5VIN

THERM

23

VCCP

24

PWM1

XTO

Description

Anode Connection to Second Thermal Diode.

Cathode Connection to First Thermal Diode.

Anode Connection to First Thermal Diode.

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

General-Purpose Open-Drain Digital I/O.

Analog Input. Monitors +5 V power supply.

Analog Input. Monitors +12 V power supply.

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

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

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 an Intel

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

overtemperature conditions.

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

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

pull-up.

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

Rev. A | Page 8 of 72

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