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參數資料
型號: W83791D
廠商: WINBOND ELECTRONICS CORP
元件分類: 模擬信號調理
英文描述: W83791D Winbond H/W Monitoring IC
中文描述: SPECIALTY ANALOG CIRCUIT, PQFP48
封裝: LQFP-48
文件頁數: 10/46頁
文件大小: 636K
代理商: W83791D
W83791D
Preliminary
Publication Release Date: Aug, 2001
Revision 0.41
3
2.
FEATURES
2.1 Monitoring Items
10 voltage inputs
--- Typical for VCORE, +3.3V, +12V, -12V, +5V, -5V, +5VSB, VBAT, and two reserved
5 fan speed monitoring inputs
3 temperature inputs from remote thermistors, 2N3904 NPN-type transistors or Pentium
TM
II (Deschutes)
thermal diode output
Case open detection input
WATCHDOG comparison of all monitored values
Programmable hysteresis and setting points (alarm thresholds) for all monitored items
2.2 Address Resolution Protocol (ARP) and Alert-Standard Forum(ASF)
2.3 Speech Items
Support System Management Bus (SMBus) version 2.0 specification
Comply with hardware sensor slave ARP (Address Resolution Protocol)
Response sensor type ARP command
Response ASF command --- Get Event Data , Get Event Status
Comply with ASF sensors (Monitoring fan speed, voltage, temperature, and case open)
Programmable speech synthesizer with new high fidelity synthesis algorithm
Build in 8-bit current D/A converter
1 CPU present or absent trigger input
5 External trigger inputs
128 Internal programmable trigger inputs
17 H/W Monitor event trigger inputs
Programmable 0-255 seconds timeout trigger inputs for firmware or software
Instruction cycle is
400
g
S typically
Section control provided in each voice section
External resistor for ring oscillator
2.4 Actions Enabling
Beep tone warning separated speech output
5 PWM (pulse width modulation) outputs for fan speed control (1~3 support Smart Fan control) and 5 Fan speed
inputs for monitoring
--- Total up to 5 sets of fan speed monitoring and controlling
Issue SMI#, OVT#, IRQ signals to activate system protection
Warning signal pop-up in application software
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相關代理商/技術參數
參數描述
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W83791SD 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W MONITORING IC
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