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Original question:

MSP430F6736: PMM15: How to wait for SVSMxCTL settling delay (PMMIFG.SVSMLDLYIFG and PMMIFG.SVSMHDLYIFG) ?

MSP430F6779A: It is needful? If fixed bug as Erratasheet but keep old assembly code about "rtc interupt control" (PMM15)

Ittiphat Chalermsan
Prodigy 200 points
Part Number: MSP430F6779A

As slaz597u Erratasheet, I resolve problem about pmm15 in C Code, but this project is imported from olded project, It has Assembly code for detect this problem. Assembly code has detail about control and using rtc interrupt for protect deadlock If it occurs during LPM3 migration, it will fall into a deadlock, but other interrupts are stopped.  It is needful for keep?

Best Regard,

Ittiphat :)

  • 0
    TI__Mastermind 49692 points

    Hello,

    You'll need to implement the workaround in assembly if it hasn't been done already. In the workaround section for PMM15 in the erratasheet, there's a settling delay mentioned, so I suspect that's what the RTC interrupt is doing.

    Regards,

    James

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