W83781D Datasheet, PDF (7/53 Pages) Winbond – MONITORING IC

2.2 Actions Enabling
• Warning signal pop up in application software
• Beep tone warning
• Fan ON/OFF control
• Issue SMI#, IRQ to activate system protection
2.3 General
• ISA and I²C^TM serial bus interface
• 5 VID input pins for CPU Vcore identification
• Initial power fault beep (for +3.3V, VcoreA)
• Master reset input to W83781D
• Independent power plane of digital Vcc and analog Vcc (input to IC)
• Intel LDCM^TM compatible
• Winbond monitoring application software support
• Input clock rate optional for 24, 48, 14.318 MHz
2.4 Package
• 48-pin LQFP
3. KEY SPECIFICATIONS
• Voltage monitoring accuracy
±1% (Max)
• Monitoring Temperature Range and Accuracy
- 40°C to +120°C
± 3°C(Max)
• Supply Voltage
5V
• Supply Current
Operating: 1 mA typ.
Shutdown: 10 µA typ.
• ADC Resolution
8 Bits
W83781D
PRELIMINARY
-2-
Publication Release Date : Nov. 1997
Revision 0.60