W83637HF Winbond Electronics Corp America, W83637HF Datasheet - Page 40
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W83637HF
Manufacturer Part Number
W83637HF
Description
Description = LPC I/o Plus H/w Monitor, Smart Fan Control, Smart Card (PC/SC) Reader, Memory Stick Reader I/F, Sd/mmc Card Reader I/f ;; Package = QFP 128
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W83637HF.pdf
(149 pages)
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6.6.3 The W83637HF temperature sensor 1(SYSTIN) SMI# interrupt has two modes
Setting the T
are two kinds of interrupt modes, which are selected by Index 4Ch bit5:
(1) Comparator Interrupt Mode
(2) Two-Times Interrupt Mode
(3) One-Time Interrupt Mode
T
127'C
SMI#
HYST
T
OI
Setting the T
the Comparator Interrupt Mode. Temperature exceeds T
interrupt and this interrupt will be reset by reading all the Interrupt Status Register. Once an
interrupt event has occurred by exceeding T
T
has occurred by exceeding T
continue to occur in this manner until the temperature goes below T
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
Temperature exceeding T
cause an interrupt. Once an interrupt event has occurred by exceeding T
T
O
HYST,
, the interrupt will occur again when the next conversion has completed. If an interrupt event
an interrupt will not occur again until the temperature exceeding T
HYST
Figure 6.11
lower than T
HYST
*
*Interrupt Reset when Interrupt Status Registers are read
(Temperature Hysteresis) limit to 127°C will set temperature sensor 1 SMI# to
*
HYST
, the interrupt will not occur. (Figure 6.12)
O
*
O
O
will set temperature sensor 1 SMI# to the Interrupt Mode. The following
causes an interrupt and then temperature going below T
causes an interrupt and then temperature going below T
O
and not reset, the interrupts will not occur again. The interrupts will
*
O
, then reset, if the temperature remains above the
- 35 -
SMI#
T
T
HYST
OI
O
(Over Temperature) Limit causes an
Publication Release Date: June 25, 2003
O
, then reset, if the temperature
O
*
. (Figure 6.11)
Figure 6.12
O
. (Figure .6.13)
O
W83637HF
, then going below
*
HYST
HYST
Revision 1.3
will also
will not
*