Perpheral Configuration in STM32CubeMX SPI1 use Motorola format to select "MSB first" TIM17 TIM17 must generate something close to 4.9152 MHz Prescaler = 0 --> DIV1 Period = (13-1) --> DIV13 Toggle on match --> DIV2 128 MHz / 1 / 13 / 2 = 4.9231 MHz Clock for TIM17 GPIO / IRQ
