Panasonic F77G Manual De Usuario

Chapter 9    Watchdog Timer

IX - 8

Operation

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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