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9 years, 7 months ago.
Using external oscilator
Hello all,
I'm trying to use an external 4MHz oscillator on my Nucleo F030R8 but how can i force him to start on external oscillator instead of 32 MHz internal oscillator. I saw some good function on system_stm32f0xx.h but how to use them ?
Thanks for your help.
1 Answer
9 years, 7 months ago.
Hello,
Warning because the clock configuration in the system_stm32f0xx.c file has been written for a 8MHz xtal. If you absolutely want to use a 4MHz xtal instead you will need to change this file yourself.
The other solution is either to use a 8MHz xtal or to use directly the 8MHz clock provided by the MCO of the ST-Link part of the Nucleo board. In these 2 cases you will not need to change anything in the system_stmxxx.c file.
Best regards.