STM32F446 PA5 output levels at high frequency
Posted on April 25, 2016 at 10:36This is one for the ST insiders. On a Nucleo64 (SB21, SB29, SB44 all disconnected) with STM32F446, the PA5 pin has been configured as AF5 (SPI1_SCK/I2S1_CK), push-pull, OSPEEDR set to 0b11 (and later tried also 0b10)...