tmp88ch40img TOSHIBA Semiconductor CORPORATION, tmp88ch40img Datasheet - Page 53
tmp88ch40img
Manufacturer Part Number
tmp88ch40img
Description
8 Bit Microcontroller
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP88CH40IMG.pdf
(148 pages)
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6.2.5 Watchdog Timer Reset
Clock
Example :Setting watchdog timer interrupt
Binary counter
Overflow
INTWDT interrupt request
(WDTCR1<WDTOUT>= "0")
Internal reset
(WDTCR1<WDTOUT>= "1")
request is generated. When a watchdog timer reset request is generated, the internal hardware is reset. The reset
time is maximum 24/fc [s] ( max. 1.2 µs @ fc = 20 MHz).
When a binary-counter overflow occurs while WDTCR1<WDTOUT> is set to “1”, a watchdog timer reset
LD
LD
Figure 6-2 Watchdog timer Interrupt and Reset
1
SP, 02BFH
(WDTCR1), 00001000B
Write 4E
2
H
to WDTCR2
3
2
17
/fc
0
Page 45
: Sets the stack pointer
: WDTOUT
1
2
19
/fc [s]
←
0
2
3
A reset occurs
0
TMP88CH40IMG
(WDTT=11B)
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