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MC9S12G128 COP watchdog watch-dog effective only in the debug mode

Time:09-29

MCU: MC9S12G128

Phenomenon: the COP watchdog are effective only in the debug,

I tried to add a Watchdog to my project, in the initial stage to initialize the Bus Clock and COP Watchdog. No dog in the main loop. I expect the Watchdog within 2 s after initialization is complete produce reset, but that is not the case, reset, when running in debug mode, reset has to happen every time, why? I left out the details?


In the Main. C code is as follows:





The Prm file code is as follows:



CodePudding user response:

Problem solved, CPMUCOP this register can only be written once, every bit operation is a write, so only bit operation shall, for the first time, the solution is to register the whole assignment,
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