how to achieve the clock frequency to 48MHZ for QSPI

[chethan sk]

Posted on May 26, 2018 at 11:33

I AM USING SYSCLK = 80MHZ 

AHB BUS CLOCK = 80MHZ 

PRESCALER FOR QSPI = 0

and i am getting QSPI CLOCK FREQUENCY to 8 MHZ

i am using  STM32L432KC controller.

[Tesla DeLorean]

Posted on May 27, 2018 at 13:04

Doesn't seem right.

Have you confirmed 80 MHz via MCO(PA8)

Perhaps show initialization code

[T J]

Posted on May 28, 2018 at 13:08

try prescaler of 1 or 2

[chethan sk]

Posted on May 28, 2018 at 11:41

[chethan sk]

Posted on May 28, 2018 at 11:45