Commell FS-977 Manual do Utilizador descarregar pdf (Página 15)

2.4 Watchdog Timer Setting

The watchdog timer makes the systems auto-reset while it stop to work for a period.

The onboard watchdog timer can be setup as system reset or active NMI mode by

jumper JWDT.

Jumper: JWDT

Type: onboard 3-pin header

JWDT Watchdog Timer

1-2 Active NMI

2-3 Reset

Default setting

JWDT

Program Sample

Watchdog timer setup as system reset with 5 second of timeout

2E, 87

2E, 07

2F, 08 Logical Device 8

2E, 30 Activate

2F, 01

2E, F5 Set as Second*

2F, 00

2E, F6 Set as 5

2F, 05

* Minute: bit 3 = 0; Second: bit 3 = 1

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Commell FS-977 Manual do Utilizador Página 15