When I try to communicate my STM32L4P5-DK through SPI protocol. I fed the MOSI and SCK pin to the oscilloscope and checked the output there I got several doubts1) when I send a data 0xAA to the slave ( HAl_SPI_Transmit(&hspi2,0xAA,1,10) ) with the ba...

      In the block diagram of SPI ,There were 2 FIFOs (Rx and Tx) but only one shift register . In case of Full- duplex communication simultaneous transmission and reception will happen. How one shift register handles both transmitting and recieving?...

 STM32L4P5-DK has 5 external interrupt EXTI0 to EXTI4. Also vector address of all NVIC are given in the user manual. when I see the data stored in the vector address (say 0x0000 0060 for EXTI2) all the NVIC address have same data (i.e.,0xAD230008). M...

Dear @KDJEM.1 when I read the manual "rm0432" It is given thatThe Flash memory programming sequence in standard mode is as follows:1. Check that no Flash main memory operation is ongoing by checking the BSY bit in theFlash status register (FLASH_SR)....