W83L784R Просмотр технического описания (PDF) - Winbond

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W83L784R

Winbond H/W Monitoring IC

Winbond 

W83L784R/ W83L784G

2.2 Actions Enabling

• Issue fan fault signal as fans are abnomally stopped

• Issue battery low signal as bettery voltage is abnomally out of range

• 2 PWM (pulse width modulation) outputs for fan speed control to support S Thermal CruiseTM T or

S Speed CruiseTM T

--- Automatically maintain the CPU or system in the specific temperature or keep the fans in the

specific speed under the H/W control

• Issue SMI#, OVT#, GPO to activate system protection

• PWR_DN# setting for the Power down mode

• Warning signal pop-up in application software

2.3 Power Good

• Issue RESET# outputs as the Power Good signal when 3V and 5V rise across a reset threshold.

2.4 General

• I2CTM serial bus interface

• IntelTM LDCM (DMI driver 2.0) support

• AcerTM ADM (DMI driver 2.0) support

• Winbond hardware monitoring application software (Hardware DoctorTM ) support, for both

Windows 95/98

• Meet WfM 2.0 (Wired for Management) spec.

• 5V Vcc operation

2.5 Package

• 20-pin SSOP (209mil)

3. KEY SPECIFICATIONS

• Voltage monitoring accuracy

• Monitoring Temperature Range and Accuracy - 40°C to +120°C

• Supply Voltage

• Operating Supply Current

• Power Down Suppy Current

• ADC Resolution

±1% (Max)

± 3°C(Max)

5V

2 mA typ.

0.5 mA typ.

8 Bits

Publication Release Date: Jan. 2005

-2-

Revision 1.1

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