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Side Effect to disable 32K RCOSC Clock Calibration

Rui Zhang69778
Genius 4525 points

Other Parts Discussed in Thread: CC2530, CC2430

in CC2430 and CC2530 datasheets, there is one bit to disable 32K clock calibration. But it never be used in Z stack code, I wonder if there is any negative side effect if I disable this calibration before device enters sleep.

thanks

Rui

  • 0
    Genius 4525 points

    CC2430 describe the calibration bit as:

    "The 32 kHz RC oscillator calibration may take up to 2 ms to complete. When entering low power modes PM1 or PM2 an ongoing calibration must be completed before the low
    power mode is entered. In some applications this extra delay may be unacceptable and therefore the calibration may be disabled by setting register bit SLEEP.OSC32K_CALDIS
    to 1."

    CC2530 describe the calibration bit as:

    "The 32-kHz RCOSC calibration may take up to 2 ms to complete. Calibration can be disabled by setting SLEEPCMD.OSC32K_CALDIS to 1."

    Both does not provide any side effect description about disable the calibration bit. So could we disable it before entering sleep?

    thanks

    Rui