W83783S Information Storage Devices, Inc, W83783S Datasheet - Page 24

• Manufacturer Part Number: W83783S
• Description: H/w Monitor: 3 Temp.(thermal Diode), 6 Vol., 2 PWM Fan Control
• Manufacturer: Information Storage Devices, Inc

6.5.3 The W83783S temperature sensor 1 Over-Temperature (OVT#) has three modes
(1) Comparator Mode :
(2) Interrupt Mode:
Setting Bank1 CR[52h] bit 2 to 0 will set OVT# signal to comparator mode. Temperature
exceeding T
Figure 17)
Setting Bank1 CR[52h] bit 2 to 1 will set OVT# signal to interrupt mode. Setting Temperature
exceeding T
sensor 2 or sensor 3 registers. Temperature exceeding T
temperature going below T
reading temperature sensor2 or sensor 3 registers. Once the OVT# is activated by exceeding T
, then reset, if the temperature remains above T
Figure 17)
O
O
causes the OVT# output activated indefinitely until reset by reading temperature
causes the OVT# output activated until the temperature is less than T
SMI#
T
T
HYST
HYST
OI
*Interrupt Reset when Interrupt Status Registers are read
Figure 16-3. One-Time Interrupt Mode
will also cause the OVT# activated indefinitely until reset by
- 19 -
*
HYST
, the OVT# will not be activated again.(
Publication Release Date: April 1999
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, then OVT# reset, and then
*
W83783S
Preliminary
Revision 0.55
HYST
. (
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