Kinetis MicrocontrollersのトピックRe: Is brownout detection available in MKL17Z64VFM4

Is brownout detection available in MKL17Z64VFM4

jagadeeshkumar — Thu, 15 Sep 2016 12:32:08 GMT

I was looking at the data sheets there they mentioned no brown out is it is available or not.Could any one suggest me please.

Re: Is brownout detection available in MKL17Z64VFM4

bobpaddock — Fri, 16 Sep 2016 12:11:31 GMT

Is "Low Voltage Detect" in the Power Management Controller what you are looking for?

Re: Is brownout detection available in MKL17Z64VFM4

jagadeeshkumar — Fri, 16 Sep 2016 13:34:32 GMT

Yes,Is it possible to configure the LVD with user defined value.I want to detect power failure when chip voltage is less than 2.8V is it possible.

Re: Is brownout detection available in MKL17Z64VFM4

jorge_a_vazquez — Sat, 17 Sep 2016 19:44:30 GMT

Hi Jagadeesh Kumar

You can not configure LVD with user defined value, but you can select the voltage detect:

where:

Alternately you can use the "low voltage warning function" in the same module. I recommend you to check the chapter 15 of the Reference manual.

Hope this information helps you.
Have a great day,
Jorge Alcala

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Re: Is brownout detection available in MKL17Z64VFM4

bobpaddock — Mon, 19 Sep 2016 14:29:32 GMT

Bits in the Reset Control Module will say if the reset is due to a power up:

/*lint -save -e514 */
rst_b |= (0U != (RCM_SSRS0 & (RCM_SSRS0_SPOR_MASK|RCM_SSRS0_SLVD_MASK))); /* Return not zero when Power On Reset or Low Voltage Detect bits are set */
/*lint -restore */