djsundog/circuitpython
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4 Commits

Author SHA1 Message Date
Chris Mason
eb12fa3862 stm32/powerctrlboot: Add support for HSI at 8MHz on F0 MCUs. 
For use with F0 MCUs that don't have HSI48.  Select the clock source
explicitly in mpconfigboard.h.

On the NUCLEO_F091RC board use HSE bypass when HSE is chosen because the
NUCLEO clock source is STLINK not a crystal.
 2019-09-26 17:34:04 +10:00
Damien George
11657f2f20 stm32/system_stm32f0: Add support for using HSE and PLL as SYSCLK. 
To configure the SYSCLK on an F0 enable one of:

    MICROPY_HW_CLK_USE_HSI48
    MICROPY_HW_CLK_USE_HSE
    MICROPY_HW_CLK_USE_BYPASS
 2019-04-18 16:00:45 +10:00
Damien George
4df1943948 stm32/boards/NUCLEO_F091RC: Enable USART3-8 with default pins. 2018-09-21 14:04:33 +10:00
Damien George
e681372017 stm32/boards: Add NUCLEO_F091RC board configuration files. 2018-05-28 21:49:49 +10:00