I have a ADC chip connected via SPI to STM32H7x MCU. MCU is master spi, and ADC sends "Data ready" signal whenever new values are ready to transfer. I need sampling rate above 100000 samples per second。If i listen to external interrupt (Data Ok) and ...

My development environment is stm32cubeMX and IAR.1.Init QSPI2.Read data via QSPIif the DummyCycles = 0,the program is running abnormally.if the DummyCycles over 2,the program is normally.int main(void){ /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ ...