PIT KL46Z - MCG_C1

[Ricky1]

I've been trying to put a 1 on the sixth bit of the register in the title to set the Clk to the internal reference one but the MCU has been sending that message.

Does anyone know what is the issue?

Thanks.

[RaRo]

Hello @Ricky1,

Could you please check which value does the CLKS field have before changing the sixth bit? An CLKS 11b value is Reserved and could create issues. You could change the whole field with:

MCG->C1 =  ((MCG->C1 & ~(MCG_C1_CLKS_MASK))) | (MCG_C1_CLKS(kMCG_ClkOutSrcOut);

Also, this configuration could be made in BOARD_InitBootClocks(). That part of the code usually takes care of clock settings.

Best regards, Raul.