Hi Working on a project in which I require USART1,USART2 for serial communication.(RS485.)I am using processor STM32L053R8.the clock used is HSI.Timer21 interrupt is being used to measure clock period. (to test the CPU Clock).if the communication is ...

Hi All I am using STM32L053 board for a product development. I am using RS485 communication Protocol. I am sending Data from Computer to the processor to get the response.  When I send the data, I get proper response. but out of 10 times say 1 time t...