EMC6D102-CZC(2006) Ver la hoja de datos (PDF) - SMSC -> Microchip

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EMC6D102-CZC
(Rev.:2006)

Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features

SMSC -> Microchip 

Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features

Datasheet

Table 3.1 EMC6D102 Pin Description (continued)

NAME

TACH1

TACH2

TACH3

/INT#

TACH4

/Address

Select

PWM1

/xTest Out

PWM2

/INT#

PWM3

/Address

Enable#

VCC

VSS

FUNCTION

BUFFER

REQUIREMENT

BUFFER PER FUNCTION POWER

TYPE

(Note 3.1)

WELL

Input for monitoring a fan tachometer input.

Input for monitoring a fan tachometer input.

Input for monitoring a fan tachometer input.

/Interrupt output to indicate a thermal and/or

voltage event.

Input for monitoring a fan tachometer input.

If in Address Select Mode, determines the

SMBus address of the device.

IM

IM

IMOD3

IM

IM

IM

IM /OD3

IM

VCC

VCC

VCC

VCC

PWM Output 1 controlling speed of fan.

When in XOR tree test mode, functions as

XOR Tree output.

PWM Output 2 controlling speed of fan.

/Interrupt output to indicate a thermal and/or

voltage event.

PWM Output 3 controlling speed of fan.

If pulled to ground at power on, enables

Address Select Mode (Address Select pin

controls SMBus address of the device).

Positive Power Supply. Nominal 3.3V.

VCC is monitored by the Hardware

Monitoring Block.

O8

OD8

IOD8

OD8/O8

OD8/OD8

OD8/I

VCC

VCC

VCC

(Can be powered by +3.3V Standby power if

monitoring in low power states is required.)

Analog Ground.

NOTES

Note: The “#” as the suffix of a signal name indicates an “Active Low” signal.

Note 3.1 Buffer types per function on multiplexed pins are separated by a slash “/”. Buffer types in

parenthesis represent multiple buffer types for a single pin function.

Note 3.2 This analog input is backdrive protected.

3.2

Buffer Type Description

Note: The buffer type values are specified at VCC=3.3V

Table 3.2 Buffer Type Descriptions

BUFFER TYPE

IM

IAN

IMOD3

O8

OD8

IO8

DESCRIPTION

Digital Input

Analog Input, Hardware Monitoring Block.

Input/Output (Open Drain), 3mA sink.

Output, 8mA sink, 4mA source.

Output (Open Drain), 8mA sink.

Input/Output, 8mA sink, 4mA source.

SMSC EMC6D102

11

DATASHEET

Revision 0.4 (06-15-06)

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