tmp88ph40mg TOSHIBA Semiconductor CORPORATION, tmp88ph40mg Datasheet - Page 55

• Manufacturer Part Number: tmp88ph40mg
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

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
TMP88PH40MG
(WDTT=11B)