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參數資料
型號: W83783S
廠商: WINBOND ELECTRONICS CORP
元件分類: 模擬信號調理
英文描述: MONITORING IC
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO24
封裝: SOP-24
文件頁數: 7/57頁
文件大小: 312K
代理商: W83783S
W83783S
Preliminary
Publication Release Date: April 1999
Revision 0.55
- 2 -
2. FEATURES
2.1 Monitoring Items
3 thermal inputs from remote thermistors or 2N3904 NPN-type transistors or Pentium
TM
II
(Deschutes) thermal diode output
6 voltage inputs
--- typical for Vcore, +3.3V, +12V, -12V, +5V, -5V
3 fan speed monitoring inputs
Case open detection input
WATCHDOG comparison of all monitored values
Programmable hysteresis and setting points (alarm thresholds) for all monitored items
2.2 Actions Enabling
Beep tone warning
2 PWM (pulse width modulation) outputs for fan speed control (MUX optional)
--- Total up to 2 sets of fan speed monitoring and controlling
Issue SMI#, OVT#, GPO# signals to activate system protection
Warning signal pop-up in application software
2.3 General
I
2
C
TM
serial bus interface
5 VID input pins for CUP Vcore identification (for Pentium
TM
II)
Initial power fault beep (for +3.3V, Vcore)
Intel
TM
LDCM (DMI driver 2.0) support
Acer
TM
ADM (DMI driver 2.0) support
Winbond hardware monitoring application software (Hardware Doctor
TM
) support, for both
Windows 95/98 and Windows NT 4.0/5.0
Input clock rate optional for 24, 48, 14.318 Mhz
5V Vcc operation
2.4 Package
24-pin SOP
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