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Panasonic MN101C77C User Manual

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Chapter 9    Watchdog Timer
IX - 8
Operation
„
Interrupt Service Routine Setup
(1)
If the watchdog timer overflows, the non
maskable interrupt is generated.
Confirm that the WDIR flag of the non
maskable interrupt control register (NMICR) is
"1" on the interrupt service routine, and
manage the suitable execution.
(1)
Set the watchdog interrupt service
routine.
NMICR (x'03FE1')
TBNZ (NMICR) WDIR, WDPRO
. . . . . . .
. . . . . . .
. . . . . . .
The operation, just before the WDOG interrupt may be executed wrongly. Therefore, if the
WDOG interrupt is generated, initialize the system.
Setup Procedure
Description