W83792G Nuvoton Technology Corporation of America, W83792G Datasheet - Page 4

• Manufacturer Part Number: W83792G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83792G

• Function: Hardware Monitor
• Topology: ADC, Fan Control, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Type: I²C™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents-
1.
2.
3.
4.
5.
6.
7.
GENERAL DESCRIPTION .............................................................................................................. 1
FEATURES...................................................................................................................................... 2
2.1
2.2
2.3
2.4
2.5
2.6
KEY SPECIFICAITON ..................................................................................................................... 3
BLOCK DIAGRAM........................................................................................................................... 4
PIN CONFIGURATION.................................................................................................................... 5
5.1
5.2
PIN DESCRIPTION ......................................................................................................................... 7
6.1
6.2
FUNCTION DECRIPPTION........................................................................................................... 12
7.1
7.2
7.3
7.4
7.5
7.6
7.7
VCORE Monitoring Items ...................................................................................................... 2
Monitoring Items .................................................................................................................... 2
Address Resolution Protocol (ARP) and Alert-Standard Format (ASF 2.0).......................... 2
Actions Enabling.................................................................................................................... 2
General.................................................................................................................................. 2
Package................................................................................................................................. 3
W83792AD/AG ...................................................................................................................... 5
W83792D/G........................................................................................................................... 6
Pin Type Description ............................................................................................................. 7
Pin Description List................................................................................................................ 7
General Description............................................................................................................. 12
Access Interface .................................................................................................................. 12
The first serial bus access timing ........................................................................................ 12
Address Resolution Protocol (ARP) Introduction ................................................................ 13
ASF (Alert Standard Format) Introduction........................................................................... 15
7.5.1
Analog Inputs....................................................................................................................... 18
7.6.1
7.6.2
FAN Speed Count and FAN Speed Control ........................................................................ 20
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.7.6
7.7.7
7.7.8
Platform Event Trap (PET) ...................................................................................................16
Monitor over 4.096V voltage:................................................................................................18
Monitor negative voltage: .....................................................................................................19
Fan speed count...................................................................................................................20
Fan speed control.................................................................................................................21
Smart FanTM I Control .........................................................................................................23
Smart FanTM II Control ........................................................................................................24
SMI# interrupt for W83792D/G Voltage ................................................................................26
SMI# interrupt for W83792D/G Fan......................................................................................26
SMI# interrupt for W83792D/G temperature sensor 1/2/3 ....................................................26
Over-Temperature (OVT#) for W83792D temperature sensor 1/2/3 ....................................27
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Publication Release Date: April 26, 2006
W83792AD/AG/D/G
Revision 0.9