基于STC单片机的数字采控电路设计  

Design of digital acquisition and control circuit based on STC microcontroller

作　　者：胡邓华[1] 冯刚[1] 孙际哲[1] HU Denghua;FENG Gang;SUN Jizhe(School of Air and Missile Defense,Air Force Engineering University,Xi’an 710051,China)

机构地区：[1]空军工程大学防空反导学院,陕西西安710051

出　　处：《现代电子技术》2018年第8期53-56,63,共5页Modern Electronics Technique

基　　金：国家自然科学基金项目资助(61671468);国家自然科学基金项目资助(61571459)~~

摘　　要：以STC15F2K60S2单片机为控制核心,利用74HC165扩展40个TTL输入端口,74HC595扩展48个TTL输出端口,MAX7219扩展8位数码管显示驱动,并利用STC15F2K60S2单片机集成的A/D转换器提供8路10位A/D通道。上位机可以通过无线通信方式控制该采控电路。通过仿真和测试显示,该电路运行可靠、通用性强、成本低廉,具有很好的实际应用价值。Taking the microcontroller STC15F2K60S2 as the control core,40 TTL input ports are extended by using the 74HC165,48 TTL output ports are extended by using the 74HC595,8-bit nixie tube display driver is extended by using the MAX7219,and eight 10-bit A/D channels are provided by using the A/D converter integrated by the microcontroller STC15F2K60S2.The host computer can control the acquisition and control circuit by means of wireless communication.The simu-lation and test results show that the circuit has reliable operation,high universality,and low cost,wThich has a good practical application value.

关 键 词：数字输出控制 数字输入采集 数码管显示 模/数转换 STC15F2K60S2 无线通信 

分 类 号：TN431.2-34[电子电信—微电子学与固体电子学] TP274.2[自动化与计算机技术—检测技术与自动化装置]