目录一、General-Purpose I/O (GPIO) Peripherals1.GPIO Ports (PORT)2.Link Ports (LP) 链接引脚3. Serial Peripheral Interface Ports (SPI) 串行外设接口端口(SPI)4. Universal Asynchronous Receiver/Transmitter (UART)通用异步收发器(UART)5. Enhanced Parallel Peripheral Interface (EPPI) 增强型并行外围设备接口(EPPI)6. Pulse-Width Modulator (PWM