论文部分内容阅读
ARINC429数据总线在航空设备中得到广泛应用,通常用来传输惯导信息。基于C8051F043单片机、可编程逻辑器件CPLD和ARINC429接口芯片设计出一套电路。单片机对不同指定地址的读写操作通过CPLD配合输出一系列的复合逻辑信号,可实现对ARINC429接口芯片的灵活配置,对ARINC429总线数据的动态操作,以及ARINC429总线数据和异步串行数据的相互转换。结果表明,该电路可实现ARINC429总线数据的稳定传输和转换。与其他ARINC429接口电路相比,具有实现简单和易于集成的优点,拥有广阔的应用前景。
ARINC429 data bus widely used in aviation equipment, usually used to transmit inertial navigation information. Based on C8051F043 microcontroller, programmable logic device CPLD and ARINC429 interface chip design a set of circuits. Single-chip read and write operations to different addresses through the CPLD with the output of a series of composite logic signals can be achieved ARINC429 interface chip flexible configuration, the ARINC429 bus data dynamic operation, and ARINC429 bus data and asynchronous serial data conversion . The result shows that this circuit can realize the stable transmission and conversion of ARINC429 bus data. Compared with other ARINC429 interface circuits, it has the advantages of simple and easy integration and broad application prospects.