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參數資料
型號: W83637HF
廠商: WINBOND ELECTRONICS CORP
英文描述: LPC I/O
中文描述: LPC的I / O
文件頁數: 41/149頁
文件大小: 936K
代理商: W83637HF
W83637HF
Publication Release Date: June 25, 2003
- 36 -
Revision 1.3
*Interrupt Reset when Interrupt Status Registers are read
T
OI
T
HYST
SMI#
*
*
Figure 6.13
6.6.4 The W83637HF temperature sensor 2(CPUTIN) and sensor 3(VTIN) SMI#
interrupt has two modes and it is programmed at CR[4Ch] bit 6.
(1) Comparator Interrupt Mode
Temperature exceeding T
O
causes an interrupt and this interrupt will be reset by reading all the
Interrupt Status Register. Once an interrupt event has occurred by exceeding T
O
, then reset, if the
temperature remains above the T
HYST
, the interrupt will occur again when the next conversion has
completed. If an interrupt event has occurred by exceeding T
O
and not reset, the interrupts will not
occur again. The interrupts will continue to occur in this manner until the temperature goes below
T
HYST
. (Figure 6.14)
(2) Two-Times Interrupt Mode
Temperature exceeding T
O
causes an interrupt and then temperature going below T
HYST
will also
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
O
, then reset, if the temperature
remains above the T
HYST
, the interrupt will not occur. (Figure 6.15)
T
OI
T
HYST
*
*
*
*Interrupt Reset when Interrupt Status Registers are read
T
OI
T
HYST
SMI#
SMI#
*
*
*
*
*
Figure 6.14
Figure 6.15
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