一种基于AD9854的信号发生器的控制系统

摘要

研究了基于AD9854的信号发生器的相关控制技术.以STC12LE5A56S2单片机为例 ,详细阐述了单片机对AD9854芯片的控制 ,以及PC机和单片机之间的串口通信技术.所设计的信号发生器可以利用上位机通过串口对下位机进行控制 ,实现数据的发送和接收 ,从而方便有效地控制AD9854的工作.该控制系统具有操作简单、实用性强、控制界面可视化等优点 ,具有一定的实用价值.%This paper studies the control technique of the signal generator based on AD9854 .By using STC12LE5A56S2 MCU as ex-ample ,the paper details the control to AD9854 by MCU ,and the serial communication theory between PC and MCU .The signal generator realizes the data transmitting and receiving by the control of the host computer to the lower machine through serial port ,so as to control the AD9854 .The control system has the advantages of simple operation ,strong practicability ,visualization control in-terface ,etc .It has some reference and use value .