说明：  C8051F340拥有强大的串口通信功能，通过简单的编程，即可通过串口与PC机RS232串口进行通信。对于需要进行单片机远程控制的工程应用非常具有实际的应用价值。
(C8051F340 has a powerful serial communication functions through a simple programming to the PC through a serial port and RS232 serial communication. The need for single-chip remote control engineering applications very practical application.)