W83791G Nuvoton Technology Corporation of America, W83791G Datasheet - Page 83

• Manufacturer Part Number: W83791G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83791G

• Function: Hardware Monitor
• Topology: ADC
• 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

Voltage: Get Event Data message, continued.
8.2.3
In the W83791D/G, it has three temperatures for monitoring System Board, CPU1, and CPU2. The
listed table show that have the entity ID, entity instance, event source type, event type, event offset,
and so on.
Event status
Event Severity
Event sensor type
Event type
Event offset
ASF PACKET DATA
ASF PACKET DATA
Fan: Get Event Data message
The reference table of ASF 0.64 is shown as following.
Monitor (0x01): That is represented the monitored voltage is during the limit
value.
Critical Condition (0x10): that is represented the monitored voltage is over the
limit value.
Lower Volt.
Status
Value
0000_0010b Desserted (send)
0000_0011b Asserted (send)
0000_0111b Event Status End
Upper Volt.
04h (Fan speed sensor)
Discrete (Generic Severity): 07h
Fan Limit
Lower Speed (High Count)
High Speed (Low Count)
Status type
Event sensor type: 04h (Fan)
Event Type: 05h ('digital ' Discrete, Generic Severity)
(i)
Critical Condition (0x10)
Critical Condition (0x10)
Monitor (0x01)
- 77 -
05h: 'digital' Discrete (Generic Severity)
00h: Limit Not Exceeded
Event Status: 010b (Deasserted, send)
05h: 'digital' Discrete (Generic Severity)
01h: Limit Exceeded
Event Status: 011b (Asserted, send)
FAN CLOCK INPUT
VOLTAGE INPUT
Description
W83791D/G will respond
all relative information.
When event status index
is more than 0Fh, the
machine will be ended the
transmission.
Publication Release Date: April 14, 2006
W83791D/G
Byte Count
0Bh
0Bh
02h
Revision 1.1