Using the RS232 (9 pins) as serial interface can carry out the communication between computer and controller. This system adopts the binary form to transmit the data.
通过RS232（9）脚串口可实现计算机与控制器的双向通信，本系统采用二进制形式传输数据。
This controller system can link to PC by serial interface and can real-timely display data of all testing point.
该控制系统可以通过串口与计算机连接，实时显示各检测点数据。
Outputs serial data transferred from the PLL to the controller.
从PLL输出串行信号到控制器。
Micro-controller AT89C51 of the system which works in the serial ways can control the Baud rate that the data receiving and dispatching, and receiving and dispatching the data by way of interruption.
系统中数据的接收和发送工作在串行方式下，AT89C51可以控制数据收发的波特率，以及以中断方式控制数据的发送与接收。
Micro-controller AT89C51 of the system which works in the serial ways can control the Baud rate that the data receiving and dispatching, and receiving and dispatching the data by way of interruption.
系统中数据的接收和发送工作在串行方式下，AT89C51可以控制数据收发的波特率，以及以中断方式控制数据的发送与接收。
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