W83782G Nuvoton Technology Corporation of America, W83782G Datasheet - Page 21

• Manufacturer Part Number: W83782G
• Description: IC MONITOR H/W 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83782G

• Output Type: I²C™, ISA
• Function: Hardware Monitor
• Topology: ADC, Fan Speed Counter, Register Bank
• Sensor Type: External
• Sensing Temperature: External Sensor
• Output Alarm: No
• 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
• Operating Temperature (min): -40C
• Operating Temperature (max): 120C
• Operating Supply Voltage (typ): 5V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(2) Two-Times Interrupt Mode
6.5.3
(1) Comparator Mode:
(2) Interrupt Mode:
Temperature exceeding T
T
Temperature exceeding T
temperature sensor 2 or sensor 3 registers. Temperature exceeding T
temperature going below T
temperature sensor2 or sensor 3 registers. Once the OVT# is activated by exceeding T
reset, if the temperature remains above T
T
SMI#
HYST
Temperature exceeding T
cause an interrupt if the previous interrupt has been reset by reading all the interrupt Status
Register. Once an interrupt event has occurred by exceeding T
remains above the T
HYST
T
OI
modes, and they are programmed at Bank1 and Bank2 CR [52h] bit1. These two bits
needs to be programmed the same value.
The W83782D/G temperature sensor 2 and 3 Over-Temperature (OVT#) has two
. (Figure 17)
Figure 16-1. Comparator Interrupt Mode
(Comparator Mode; default)
*
(Interrupt Mode)
HYST
*
, the interrupt will not occur. (Figure 16-2)
O
O
HYST
OVT#
OVT#
O
T
*
causes the OVT# output activated until the temperature is less than
HYST
causes the OVT# output activated indefinitely until reset by reading
To
Figure 17. Over-Temperature Response Diagram
causes an interrupt and then temperature going below T
will also cause the OVT# activated indefinitely until reset by reading
*
*Interrupt Reset when Temperature 2/3 is read
*Interrupt Reset when Interrupt Status Registers are read
HYST
*
, the OVT# will not be activated again. (Figure 17)
- 18 -
*
SMI#
T
T
HYST
OI
*
W83782D/W83782G
Figure 16-2. Two-Times Interrupt Mode
O
, then reset, if the temperature
*
*
O
, then OVT# reset, and then
*
*
HYST
will also
O
, then
*