MAX6621_0709 datasheet(5/18 Pages) MAXIM

Part #	MAX6621_0709

Description	PECI-to-I2C Translator

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Manufacturer	MAXIM [Maxim Integrated Products]

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5 / 18 page

Pin Description

NAME

FUNCTION

1

PECI

Platform Environment Control Interface (PECI) Serial-Bus Input/Output

2

AGND

Analog Ground

3

AD0

I2C Bus Device Address Selection Input

4

SDA

I2C Bus Data Input/Output

5SCL

I2C Bus Clock Input/Output

6VCC

Power Supply. Bypass to GND with a 0.1µF capacitor.

7

GND

Power-Supply Ground

8

RESET

I2C Reset Input. Pull

RESET low to reset I2C interface and default all registers to startup values.

Drive high for normal operation.

9

ALERT

ALERT Interrupt Open-Drain Output. Asserts low when any temperature exceeds the

programmed limit.

10

VREF

PECI Input Supply Voltage. Bypass VREF to AGND with a 0.1µF capacitor.

PECI-to-I2C Translator

_______________________________________________________________________________________

5

SDA

SCL

I2C

PORT

PECI

TRANSLATION

ENGINE

PECI

PORT

VREF

PECI

ALERT

RESET

AD0

MAX6621

Block Diagram

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MAX6621_0709 Datasheet(PDF) 5 Page - Maxim Integrated Products

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