5
Watchdog Timer
5.1Watchdog Timer
The operation of the Nupro-850’s watchdog timer is described in this chapter. An overview of the watchdog operation and features, as well as the programming procedure is provided to give the user an insight into the workings of the watchdog timer.
5.1.1WDT Overview
The primary function of the watchdog timer is to monitor the Nupro-850’s operation and to generate IRQ or to reset the system should the software fail to function as programmed. The major features of the watchdog timer are:
zEnabled and disabled through software control
zArmed and strobed through software control
The Nupro-850’s custom watchdog timer circuit is integrated in the south bridge 6300ESB.
Watchdog Timer • 35
