ATTM02 datasheet(6/18 Pages) AME

6 / 18 page

AME, Inc.

ATTM01/ATTM02

Processor Thermal Monitor

Rev. B.01

7. Hardware Monitor Block

Hardware Monitor Interface

This chip is using the 2-wire SMBus serial inter-

face to control the hardware monitor function. The

major function of the hardware monitor is monitored

the remote diode and local diode temperature. It also

using the trimmed mechanism to control the accu-

racy of the temperature sensor under ± 1

. It also

℃

uses the 2-wire SMBus serial interface. The two in-

terrupt outputs ALERT# and OVER# are active low

at default state and can change these outputs to

active high when set bit 1 of register address 8’h31

to logic one. The slave address of SMBus can se-

lect by initial state of ALERT# when power on or

access the command index 8’h42. This chip pro-

vides two slave address 7

’h1001000 and

’h1001010 to avoid conflict with other devices.

SMBus

Codec

SMBCLK

SMBDATA

Control

Status

Remote

Data Control

Logic

Local Data

Control

Logic

ALERT _N

OVER _N

Sigma

-Delta

ADC

Control

DXP

DXN

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