SPI SCLK voltage 320mv ?
Posted on May 28, 2013 at 23:18hi I am new to STM32F103, i did try a SPI examples on STM32F103 , put a probe on SCLK pin out and see the clock out is about 320mV, as SCLK being set as 'GPIO_Mode_AF_PP', is that voltage correct ?many thanks!