Forum Post: How the watchdog work in sleep mode PM2 about CC2530

Hi all：

      I want to ask a question about watchdog working in sleep mode PM2 in CC2530.

      Firstly,I enable the watchdog when the program is running. And I set the washdog timer in watchdog mode and the clock period was set about 1s. So my program must feet the watchdog in 1 seconds. If the program feet the watch dog exceed 1s, the system will reset automatic.

      Now, in my project, I want to let the system sleep in PM2 long time. The sleep time maybe longer than 1s. So in this situation, I want to ask how can I feet the watchdog?

     Also I have debuged my program. If I didn't feet watchdog in PM2, the system will work normally. Also,I want to ask in PM2 mode whether the watchdog is closed automatic. Another question is in PM2 mode the watchdog was feet automatic.

   Thank you!