Clock Bias Disable Bit

972276616 — Mon, 04 Jan 2021 01:39:41 GMT

hello,
Is it feasible for me to set the CLKBIASDIS flag bit before entering VLPS mode?
It says to disable the SIRC clock, but to use THE VLPS mode you must use the SIRC clock.

Look forward to your answer, thank you
Zheng

Re: Clock Bias Disable Bit

Robin_Shen — Mon, 04 Jan 2021 08:57:30 GMT

Hi Zheng,

If SIRC is not enabled in VLPS modes, power consumption can be reduced by setting PMC_REGSC[CLKBIASDIS] bit. While using this bit, it must be ensured that respective clock modules are disabled in VLPS mode, else, severe malfunction of clock modules will happen.

You can see the Power consumption of VLPS with Peripherals disabled(With PMC_REGSC[CLKBIASDIS] set to 1)

But if you want to use some peripherals in VLPS mode which need SIRC, then you can not set 1 to PMC_REGSC[CLKBIASDIS].

Best Regards,
Robin
-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
-------------------------------------------------------------------------------

S32KのトピックClock Bias Disable Bit

Clock Bias Disable Bit

Re: Clock Bias Disable Bit