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參數(shù)資料
型號： W83791D
廠商： WINBOND ELECTRONICS CORP
元件分類： 模擬信號調(diào)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(shù)： 3/46頁
文件大小： 636K
代理商： W83791D
W83791D
Preliminary
Publication Release Date: Aug, 2001
Revision 0.41
ii
TABLE OF CONTENTS
1.
2.
GENERAL DESCRIPTION ....................................................................................................1
FEATURES ...........................................................................................................................3
Monitoring Items.................................................................................................................................3
Address Resolution Protocol (ARP) and Alert-Standard Forum(ASF)...................................................3
Speech Items.......................................................................................................................................3
Actions Enabling.................................................................................................................................3
Enhance Monitoring VID function.......................................................................................................4
General................................................................................................................................................4
Package...............................................................................................................................................4
KEY SPECIFICATIONS.........................................................................................................4
PIN CONFIGURATION..........................................................................................................5
PIN DESCRIPTION................................................................................................................6
FUNCTION DESCRIPTION..................................................................................................10
General Description...........................................................................................................................10
Access Interface ................................................................................................................................10
6.2.1
The first serial bus access timing ............................................................................10
Speech Function................................................................................................................................11
6.3.1
General Description.................................................................................................11
6.3.2
Event Trigger Queue ...............................................................................................11
6.3.3
Connection of EEPROM..........................................................................................12
6.3.4
Speaker Output .......................................................................................................13
Address Resolution Protocol (ARP) Introduction ...............................................................................14
ASF(Alert Standard Format) Introduction ..........................................................................................16
6.5.1
Platform Event Trap (PET).......................................................................................16
Analog Inputs....................................................................................................................................19
6.6.1
Monitor over 4.096V voltage:...................................................................................19
6.6.2
Monitor negative voltage:.........................................................................................20
FAN Speed Count and FAN Speed Control........................................................................................21
6.7.1
Fan speed count......................................................................................................21
6.7.2
Fan speed control....................................................................................................22
6.7.3
Smart Fan Control ...................................................................................................23
Temperature Measurement Machine ..................................................................................................25
6.8.1
Monitor temperature from thermistor:.......................................................................25
6.8.2
Monitor temperature from Pentium II
TM
thermal diode or bipolar transistor 2N3904...25
6.8.3
SMI# interrupt for W83791D Voltage........................................................................26
6.8.4
SMI# interrupt for W83791D Fan .............................................................................26
6.8.5
SMI#
interrupt
for
W83791D temperature sensor 1/2/3................................................................................................
2.1
2.2
2.3
2.4
2.5
2.6
2.7
3.
4.
5.
6.
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
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W83791G 功能描述:IC MONITOR H/W 48-LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-40°C ~ 125°C，外部傳感器 精確度:±2.5°C 本地（最大值），±5°C 遠(yuǎn)程（最大值） 拓?fù)?ADC，比較器，寄存器庫 輸出類型:2 線 SMBus? 輸出警報(bào):無 輸出風(fēng)扇:無 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-8 供應(yīng)商設(shè)備封裝:SOT-23-8 包裝:Digi-Reel® 其它名稱:296-22675-6
W83791SD 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W MONITORING IC
W83791SG 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W MONITORING IC
W83792AD 制造商:WINBOND 制造商全稱:Winbond 功能描述:H/W Monitoring IC (CSB Version)
W83792AG 功能描述:IC MONITOR H/W 48-LQFP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱管理 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)（傳感器） 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C，外部傳感器 精確度:±2°C 本地（最大），±3°C 遠(yuǎn)程（最大） 拓?fù)?ADC（三角積分型），比較器，寄存器庫 輸出類型:I²C?/SMBus? 輸出警報(bào):是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
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