W83791G Datasheet, PDF (10/99 Pages) Winbond – Winbond H/W Monitoring IC

W83791D/G
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
Publication Release Date: April 14, 2006
-4-
Revision 1.1