W83791D Information Storage Devices, Inc, W83791D Datasheet - Page 35

• Manufacturer Part Number: W83791D
• Description: Hardware Monitor With Speech Synthesizer And Asf Functions
• Manufacturer: Information Storage Devices, Inc

Note. The IRQ interrupt action like SMI# , but the IRQ is level signal.
6.8.6
(1) Comparator Mode:
13)
(2) Interrupt Mode:
sensor 1 or sensor 2 or sensor 3 registers. Temperature exceeding T
below T
or sensor 3 registers. Once the OVT# is activated by exceeding T
T
(3) ACPI Mode
T
SMI#
HYST
HYST
T
OI
Temperature exceeding T
Temperature exceeding T
, the OVT# will not be activated again.( Figure 13)
Figure 12-3. Comparator Interrupt Mode
HYST
will also cause the OVT# activated indefinitely until reset by reading temperature sensor 1 or sensor 2
Over-Temperature (OVT#) for W83791D temperature sensor 1/2/3
*
*
O
O
*
SMI#
causes the OVT# output activated until the temperature is less than T
T
causes the OVT# output activated indefinitely until reset by reading temperature
T
HYST
OI
*
*Interrupt Reset when Interrupt Status Registers are read
Figure 12-5. One-Time Interrupt Mode
*Interrupt Reset when Interrupt Status Registers are read
*
*
28
SMI#
T
T
HYST
OI
O
O
Figure 12-4. Two-Times Interrupt Mode
, then OVT# reset, and then temperature going
, then reset, if the temperature remains above
Publication Release Date: Aug, 2001
*
*
*
W83791D
Preliminary
Revision 0.41
HYST
*
. (Figure