Resolved! Overrun error is frequently occured on STM32F415 even on a highest interrupt priority for USART1
Hello, ST expertsSTM32F415 runs at 168MHz speed on custom board. And UART1 is used between MCU and a peripheral. The UART baudrate is 460800bps. And UART1 global interrupt is the highest priority interrupt except Non maskable interrupt and Hard Fau...