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SYSESR and RTIWDSTATUS in TMS570LC4357

Yue Li2
Intellectual 640 points
Other Parts Discussed in Thread: TMS570LC4357

Hi

I am implementing the dwd into my code with TMS570LC4357.

Firstly, I believe that dwd reset is a soft reset which means it would not lose what it is in the RAM while a power-on-reset is kinda hardware reset (same as brown-out-reset) which will lose everything in the RAM?

In the data manual, I noticed that there are two registers SYSESR and RITWDSTATUS. In SYSESR, there is WDRST and WD2RST  ;in RTIWDSTATUS, there is a DWDST. They can both can check DWD status if a soft reset happens. So, which one should I use?

Thanks a lot!