W83792AG Nuvoton Technology Corporation of America, W83792AG Datasheet - Page 33

• Manufacturer Part Number: W83792AG
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83792AG

• Output Type: I²C™
• Function: Hardware Monitor
• Topology: ADC, Fan Control, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• 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
• Temperature Sensor Function: Temp Sensor
• Resolution: 10b
• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note. The IRQ interrupt action like SMI# , but the IRQ is level signal.
7.7.8
7.7.8.1. Comparator Mode:
Temperature exceeding T
(Figure 13)
7.7.8.2. Interrupt Mode:
Temperature exceeding T
temperature sensor 1 or sensor 2 or sensor 3 registers. Temperature exceeding T
and then temperature going below T
reading temperature sensor 1 or sensor 2 or sensor 3 registers. Once the OVT# is activated by
exceeding T
again.( Figure 11)
T
SMI#
HYST
T
OI
Over-Temperature (OVT#) for W83792D temperature sensor 1/2/3
Figure 10-3. Comparator Interrupt Mode
O
, then reset, if the temperature remains above T
*
*
O
O
causes the OVT# output activated until the temperature is less than T
SMI#
causes the OVT# output activated indefinitely until reset by reading
T
*
T
HYST
OI
*Interrupt Reset when Interrupt Status Registers are read
Figure 10-5. One-Time Interrupt Mode
*
*Interrupt Reset when Interrupt Status Registers are read
HYST
will also cause the OVT# activated indefinitely until reset by
*
*
- 27 -
SMI#
T
T
HYST
OI
Figure 10-4. Two-Times Interrupt Mode
HYST
Publication Release Date: April 26, 2006
W83792AD/AG/D/G
, the OVT# will not be activated
*
*
O
, then OVT# reset,
*
Revision 0.9
*
HYST
.