MAX6621 Datasheet, PDF (5/18 Pages) Maxim Integrated Products – PECI-to-I2C Translator

PECI-to-I²C Translator
Pin Description
PIN
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
5
SCL
I²C Bus Clock Input/Output
6
V_CC
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
V_REF
PECI Input Supply Voltage. Bypass V_REF to AGND with a 0.1µF capacitor.
Block Diagram
MAX6621
SDA
I²C
SCL
PORT
RESET
PECI
A0
ALERT
TRANSLATION
ENGINE
PECI
PECI
V_REF
PORT
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