W83627F Information Storage Devices, Inc, W83627F Datasheet - Page 38
W83627F
Manufacturer Part Number
W83627F
Description
LPC Interface I/o Plus Kbc, Game Port, Midi Port
Manufacturer
Information Storage Devices, Inc
Datasheet
1.W83627F.pdf
(118 pages)
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(1) Comparator Interrupt Mode
2.5.2 Fan SMI# mode :
2.5.3 The W83627HF temperature sensor 1 SMI# interrupt has two modes:
SMI# interrupt for fan is Two-Times Interrupt Mode. Fan count exceeding the limit, or exceeding and
then going below the limit, will causes an interrupt if the previous interrupt has been reset by reading
all the interrupt Status Register. (Figure 2.7 )
Setting the T
Comparator Interrupt Mode. Temperature exceeds T
and this interrupt will be reset by reading all the Interrupt Status Register. Once an interrupt event
has occurred by exceeding T
will occur again when the next conversion has completed. If an interrupt event has occurred by
exceeding T
in this manner until the temperature goes below T
SMI#
Low limit
High limit
O
HYST
Figure 2.6
and not reset, the interrupts will not occur again. The interrupts will continue to occur
(Temperature Hysteresis) limit to 127°C will set temperature sensor 1 SMI# to the
*Interrupt Reset when Interrupt Status Registers are read
*
O
, then reset, if the temperature remains above the T
*
*
*
- 34 -
O
. (Figure 2.8 )
O
(Over Temperature) Limit causes an interrupt
Fan Count limit
Publication Release Date:November 2002
SMI#
Figure 2.7
W83627HF/F
*
O
, the interrupt
Revision 2.0
*
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