EMC2101-R-ACZL-TR datasheet(8/57 Pages) SMSC

Part #	EMC2101-R-ACZL-TR

Description	SMBus Fan Control with 1째C Accurate Temperature Monitoring

PDF	57 Pages

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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SMBus Fan Control with 1°C Accurate Temperature Monitoring

Datasheet

Revision 2.54 (06-16-09)

SMSC EMC2101

DATASHEET

Chapter 2 Pin Layout

2.1

Pin Diagram for EMC2101

2.2

Pin Description for EMC2101

The pin types are described below. All pins labelled with (5V) are 5V tolerant.

Figure 2.1 EMC2101 Pinout

Table 2.1 Pin Description

NAME

FUNCTION

TYPE

VDD

3.3V Power supply

Power

External diode positive (anode)

connection

External diode negative (cathode)

connection

FAN

PWM Output

(default - software programmed)

OD (5V)

DAC Output

software programmed

GND

Ground

Power

6ALERT / TACH

ALERT - Open drain I/O operates as

active low interrupt or TACH input -

requires pull-up resistor, which defines

auto-configuration mode (see

Table 5.1)

OD (5V)

TACH - TACH input

DI (5V)

SMDATA

SMBus Data input/output

DIOD Output (5V)

SMCLK

SMBus Clock input

DIOD Output (5V)

SMDATA

SMCLK

ALERT / TACH

VDD

FAN

GND

EMC2101

EMC2101-R-ACZL-TR Datasheet(PDF) 8 Page - SMSC Corporation

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