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CC2340R5: RTC Register Enable

Ryan Li
Intellectual 480 points
Part Number: CC2340R5

CCS version : 12.7.0
SDK version : 7.40.00.64
project : basic_ble

I am currently using CC2340 as the Central for testing, but I found that the RTC did not operate when I was in Debug mode. How can I make the RTC start?

  • 0
    TI__Genius 12311 points

    Hello Ryan Li,

    I hope you are doing well. I opened the 7.40 SDK gpioshutdown example project, and entered debug mode (without pressing play) and looked at the RTC register. My register shows the TIME8U field is updating (showing the device uptime):

    I can see in your image that yours is stuck at zero, and you have continuous refresh on. 

    Could you open one of the SDK example projects (empty or gpioshutdown) and see if the RTC updates in debug mode similar to my image above?

    Are you using a launchpad or a custom board? 

    Thanks,
    Alex F

  • +1 in reply to Alex Fager
    Intellectual 480 points

    Hi Alex,

    I have solved the problem. I found that the CC2340 of this custom board is an old model. I replaced it with the new CC2340R5RGE and the RTC register can operate normally.

    thanks