W83L786G View Datasheet(PDF) - Winbond

Part Name

Description

Manufacturer

W83L786G

H/W Monitoring IC

Winbond 

W83L786R/ W83L786G

2. FEATURES

2.1 Monitoring Items

2.1.1

Temperature

„ Measure the temperature with high accuracy.

„ Two thermal diode sensor inputs (current mode) and one thermistor sensor input.

„ Programmable hysteresis and setting points (alarm thresholds) for all monitored

items.

2.1.2

Voltage

„ 5 voltage sensor inputs.

--- Typically for Vcore, +3.3V (Power), RAM, AGP…etc.

„ Five VID bits Intel VRM 9.0 compliant to set Vcore voltage for GPU overclocking.

„ Watch Dog Timer with INT# output for overclocking failure recovery. (VID pins output

control is also cleared by this INT#).

„ Power on configuration for Vcore input.

2.1.3 Fan

„

„

„

„

„

2 sets of fan speed monitoring and controlling.

3D/2D application being used and transferring fan set to the most appropriate fan

speed control.

Fan set: power on configuration for fan speed at four rotation rate levels at 43%, 62%,

81%, and 100% duty cycle.

Two DC/PWM fan output control.

SMART FANTM function compliant.

2.2 Actions Enabling

„ Issue FAN_FAULT#, VOLTAGE_FAULT#, TEMP_FAULT#, and INT# signals to

activate system protection.

„ Warning signal pop-up in application software.

2.3 General

„ Interface: I²C / SMBus control.

„ 1 bit I2C address selection.

„ Up to 14 GPIOs.

„ Winbond hardware monitoring application software (Hardware DoctorTM) support

Windows 95 / 98 / 2000 / XP and Windows NT 4.0 / 5.0.

„ 3.3V VCC operation.

2.4 Package

„ 28-pin SSOP (209mil).

-2-

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