ATTM01M datasheet(1/18 Pages) AME

Part #	ATTM01M

Description	Processor Thermal Monitor

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Manufacturer	AME [Analog Microelectronics]

Direct Link	http://www.ame.com.tw/

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AME, Inc.

1

ATTM01/ATTM02

Processor Thermal Monitor

Rev. B.01

l Remote and Local Temperature Sensing.

l ±1℃ Accuracy.

l Programmable HIGH/LOW Alarm Temperature

Thresholds.

l ALERT# Output Supports SMBus Protocol.

l OVERT# Output Useful for System Shutdown.

l SMBus-compatible interface.

l SMBus timeout support.

l Packages: SOP-8 and MSOP-8

The ATTM01/ATTM02 are precision remote diode tem-

perature sensors with a 2-wire System Management Bus

(SMBus) serial interface. The ATTM01/ATTM02 measure:

(1) Local temperature and (2) the temperature of a remote

diode based transistor from Computer Processor Unit

(CPU), Graphic Processor Unit (GPU) or other ASICs.

The ATTM01/ATTM02 provide two system alarms:

ALERT# and OVERT#.

(1) ALERT# event occurs when any temperature goes

outside the value that setup by preprogrammed HIGH and

LOW temperature limit registers.

(2) OVERT# event occurs when any temperature ex-

ceeds the OVERT# programmed limit.

ATTM02 has a different SMBus address to the ATTM01.

The SMBus address of the ATTM01 is 0x90 and ATTM02

is 0x94.

1. General Description

2. Features

3. Pin Configuration/ Top Side Mark

Figure1. ATTM01/ATTM02 Pin Diagram (Top View)

VDD

1

8

SMBCLK

D+

2

7

SMBDATA

D-

3

6

ALERT#

OVERT#

4

5

GND

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