Digital Peripheral Interface (DPI) enabling user-definable access to system peripherals including 2 SPI-compatible ports, 2 UARTs, 3 full-featured timers, and a two-wire interface compliant to the I2C standard.

• 数字外设接口(DPI),可以实现用户可定义的系统外设访问,包括2个SPI兼容端口、2个UART、3个功能完备的定时器和一个服从I2C标准的2线接口。