topic Re: Setting the external clock range in KDS PE in Kinetis Design Studio

Setting the external clock range in KDS PE

joeservo — Tue, 01 Mar 2016 03:46:45 GMT

I cant seem to set the external crystal range to low frequency range to set the external frequency at 32.768kHz. Anyone have any idea where this is set?

Re: Setting the external clock range in KDS PE

Alice_Yang — Tue, 01 Mar 2016 04:06:34 GMT

Hello joe,

The unit of the "Clock frequency" is MHZ, so if you want configure it to 32.78KHZ,

please write 0c032768 :

Have a great day,
Alice Yang

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Re: Setting the external clock range in KDS PE

joeservo — Tue, 01 Mar 2016 04:24:25 GMT

i tried that but i get an error in the Problems window.

ERROR: Unexpected status of script: CPUs\_Kinetis\MCG.chg, please contact Freescale support.

the help on the availalbe values for this field says 1-32 Mhz, 32-40 kHz. any value out of this range gives the error.

Re: Setting the external clock range in KDS PE

Alice_Yang — Wed, 02 Mar 2016 06:03:05 GMT

Hello joe,

I have submit this error as a bug to the PE team , and i will tell you the result .ASAP.

Sorry for the inconvenient to you !

Hope it helps

Alice

Re: Setting the external clock range in KDS PE

joeservo — Fri, 11 Mar 2016 14:18:12 GMT

Any update on this?

Re: Setting the external clock range in KDS PE

Alice_Yang — Mon, 14 Mar 2016 02:12:02 GMT

Hi Joe,

Sorry for it still in solving , i have urged it ,i will tell you the result .ASAP.

Alice

Re: Setting the external clock range in KDS PE

Alice_Yang — Fri, 18 Mar 2016 02:16:28 GMT

Hi Joe,

Sorry to waiting so long .

I got the workaround form my colleague and PE team engineer:
"
WKR#1: Find the property 'Clock settings' -> 'Clock source settings' -> 'External reference clock' -> 'ERCLK32K clock source' and set it to LPO 1kHz. (generally, any value different from System oscillator 0 or Auto select will do)

WKR#2: Find the property 'Clock settings' -> 'Clock source settings' -> 'External reference clock' -> 'OSC0ERCLK clock' and set it to disabled. Can be applied if peripherals don't need OSCERCLK clock.

WKR#3: (extended WKR#1) Enable 'Clock Settings' -> 'RTC oscillator' (again suitable for example if application will use it anyway) and set 'Clock settings' -> 'Clock source settings' -> 'External reference clock' -> 'ERCLK32K clock source' to RTC oscillator.

The defect will be fixed in the next release.

Hope it helps

Have a great day,
Alice Yang