ADT7462 データシートの表示（PDF） - Analog Devices

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ADT7462

Flexible Temperature and Voltage Monitor and System Fan Controller

Analog Devices 

ADT7462

Pin

No. Mnemonic

29 THERM2/+1.5V2/GPIO8

30 PWM3

31 VID4/GPIO5/PWM1

32 VID5/GPIO6/PWM2

Description

THERM2: Can be reconfigured as a bidirectional THERM pin. Can be connected to PROCHOT

output of the Intel Pentium 4 processor to time and monitor PROCHOT assertions. Can be

used as an output to signal overtemperature conditions or for clock modulation purposes.

+1.5V2: 0 V to 1.5 V Analog Input. Can be used to monitor 3GIO.

GPIO8: Open Drain I/O. General-purpose input/output.

Digital Output (Open Drain). Requires 10 kΩ typical pull-up. Pulse width modulated output

to control speed of Fan 3.

VID4: Digital Input (Open Drain). Voltage supply readouts from CPU. This value is read in to

the VID value register (0x97).

GPIO5: Open Drain I/O. General-purpose input/output.

PWM1: Digital Output (Open Drain). Requires 10 kΩ typical pull-up. Pulse-width modulated

output to control the speed of Fan 1.

VID5: Digital Input (Open Drain). Voltage supply readouts from CPU. This value is read in to

the VID value register (0x97).

GPIO6: Open Drain I/O. General-purpose input/output.

PWM2: Digital Output (Open Drain). Requires 10 kΩ typical pull-up. Pulse width modulated

output to control the speed of Fan 2.

POR

Default

THERM2

PWM3

PWM1

PWM2

Rev. 0 | Page 9 of 92

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