It has 8+5 general purpose IOs, 2 UARTs, a SPI module, 3 timers, a watch dot, 8 types of interrupt, and an 8-level stack.

• 拥有8+5个一般支援输入/输出、二组通用非同步传送接收模组、一组串列式周边介面、三组计时器、一组看门狗模组、8种中断方式及8层的位址叠层。