Serial Peripheral Interface (SPIV3) Block Descr iption The SPI module allows a duplex, synchronous, serial communication between the MCU and peripheral devices. Software can poll the SPI status fl ags or the SPI operation can be interrupt dr

卫星导航硬件接收机外围接口UART232串口驱动程序-Satellite navigation hardware the receiver Peripheral Interface UART232 serial driver