Resolved! SPI slave interrupt is slow in STM32F767
I am working on SPI slave at NUCLEO-F767ZI.I am using the interrupt and LL library. This is the RX handler:void SPI1_Rx_Callback(void) { if (LL_SPI_GetRxFIFOLevel(SPI1) > LL_SPI_RX_FIFO_HALF_FULL) { // this is only for break point ...