Hi all. I'm trying to initialize K70F150M, which uses external 12MHz oscillator at XTAL1 and external XTAL32 32kHz.
MCGOUTCLK supposed to be 150 MHz, target mode - PEE, selected PLL - PLL0.
I want initialize k70 like in it's datasheet, example #1
Here are my modes sequency: FEI-> FBE-> PBE-> PEE.
Here are PLL0 frequency dividers:
12MHz * 1 * 25 = 150 MHz, so
VDIV0 = 0x09u
I have a problem configuring C1
Example text: "C1[FRDIV] set to 3'b100, or divide-by-512 because 8 MHz / 512 = 31.25 kHz which is in the 31.25 kHz to 39.0625 kHz range required by the FLL."
But I have 12 MHz oscillator, so 12 Mhz / 512 = 23.4kHz, 12MHz/256=46.8kHz
So I don't have any dividers to get frequency in the secified range. What value I have to set in?
Whole initialization code is in attachment #1
Example's screenshot are in the attachments #2 and #3.