54PPC-123 User's Manual5.7 Watchdog Timer ConfigurationAn onboard watchdog timer reduces the chance of disruptions whichEMP (electromagnetic pulse) interference can cause. This is aninvaluable protective device for standalone or unmanned applications.Setup involves one jumper and running the control software. (Refer toAppendix B.)5.7.1 Watchdog activity selection (JP7)When the watchdog timer activates (i.e. CPU processing has come toa halt), it can reset the system or generate an interrupt on IRQ11. Thiscan be set via jumper JP7 as shown below:Table 5-11: Watchdog activity selection (JP7)*System reset IRQ11* default setting1 1