W83791D Datasheet, PDF (11/46 Pages) Winbond – W83791D Winbond H/W Monitoring IC

W83791D
Preliminary
2.5 Enhance Monitoring VID function
• CPU Voltage ID reading
• VID output control
• Enhance beep warning by detecting Intel VRM 9.0 VID
2.6 General
• I²C^TM serial bus interface
• 5 VID input pins for CPU VCORE identification (for Pentium^TM II/III)
• Initial power fault beep (for +3.3V, VCORE)
• 2 pins (A0, A1) to provide selectable address setting for application of multiple devices (up to 4 devices) wired
through I²C^TM interface
Winbond hardware monitoring application software (Hardware Doctor^TM ) support, for both Windows 95/98/2000
and Windows NT 4.0/5.0
• Internal clock Oscillator with 3M Hz
• 5V VSB operation
2.7 Package
• 48-pin LQFP
3. KEY SPECIFICATIONS
• Voltage monitoring accuracy
• Intel VRM 9.x Voltage monitoring accuracy
• Monitoring Temperature Range and Accuracy
- 40°C to +120°C
• Supply Voltage
• Operating Supply Current
• ADC Resolution
±1% (Max)
±0.5% (Max)
± 3°C(Max)
5V
5 mA typ.
8 Bits
4
Publication Release Date: Aug, 2001
Revision 0.41