W83792G Nuvoton Technology Corporation of America, W83792G Datasheet - Page 8

• 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

2. FEATURES
2.1
2.2
2.3
2.4
2.5
Support dual CPU VID reading.
VRM9.0 / VRD10.0 compliant to monitor dual CPU voltage.
2 sets of thermal trip latch mechanism to protect CPU from over temperature.
Monitoring 9 voltage inputs.
6 DC / PWM Fan outputs for fan speed control and 6 Fan speed inputs for monitoring --- Total up
to 6 sets of fan speed monitoring and controlling
3 temperature inputs from remote thermistor and PentiumTM II/III/4 (Deschutes) thermal diode
output
6 sets Smart FanTM could control the most fitting speed automatically by temperature.
Case open detection input
2 sets of CPU thermal management:2 Thermal Trip signals latch up and generate VRM_EN signal
to PWM for removing CPU power.
Programmable hysteresis and setting points (alarm thresholds) for all monitored items
Support System Management Bus (SMBus) version 2.0 specification
Comply with hardware sensor slave ARP (Address Resolution Protocol)
Response ASF 2.0 command --- Get Event Data, Get Event Status, Device Type Poll
Comply with ASF 2.0 sensors (Power on/off remote control, Monitoring fan speed, voltage,
temperature, thermal trip and case open)
Support Remote Control subset: Remote Power-on/ Power-off/ Reset.
Issue SMI#, OVT#, IRQ signals to activate system protection
Warning signal pop-up in application.
I2C serial bus interface
Support 2 sets of 6bit VID monitoring for dual processors application
Watch Dog Timer function with pin: RESET#, SYSRST_IN.
16 GPIOs
2 pins (A0, A1) to provide selectable address setting for application of multiple devices (up to 4
devices) wired through I2C interface
VCORE Monitoring Items
Monitoring Items
Address Resolution Protocol (ARP) and Alert-Standard Format (ASF 2.0)
Actions Enabling
General
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W83792AD/AG/D/G