基于单片机和CPLD的ARINC429接口设计  

Interface Design of ARINC429 Based on Single Chip and CPLD

作　　者：曲建清[1] 陈欣[1] 吕迅竑[1] 

机构地区：[1]南京航空航天大学自动化学院,江苏南京210016

出　　处：《计算机测量与控制》2009年第3期558-560,共3页Computer Measurement &Control

摘　　要：ARINC429通信是航空惯导系统与飞行控制系统间常用通信协议;为实现多路惯导信息同时与飞行控制计算机进行信息交互,对基于单片机C8051F040、可编程逻辑器件XC95144XL和2个控制器芯片DEI1016的ARINC429总线通信接口单元进行了设计,其中,2个协议控制器芯片DEI1016的数据收发时序控制是接口单元设计的关键,利用可编程逻辑器件成功地解决了多路收发存在的时序控制逻辑问题和单片机对两个协议控制器进行直接控制存在的端口资源不足的问题,并针对调试过程出现的总线冲突问题给出了具体的解决方法,实现了2路发送通道和4路接收通道的ARINC429接口单元通信功能,具有较高的实用价值。ARINC429 communication is commonly used communication protocol between air navigation system and flight control systems. In order to the realization of multi--channel information at the same time and flight control computer information exchange, design the ARINC429 bus communication interface unit based on the C8051F040 MCU, programmable logic devices XC144XL and two control ler chips DEI1016. Among them, two controller chips＇ transceiver timing control is the key of interface unit design. Use of programmable logic device successfully to resolve the problems of the timing control logic of multi--channel transceivers and inadequate resources because of the two controllers directly controlled by the MCU. Give a specific solution for the bus conflict during the debugging process; Implement the transceiver features with two-way channel to sent datas and four-way channel to receive datas, which has a high practical value.

关 键 词：ARINC429 DEI1016 可编程逻辑器件 数据锁存 总线冲突 

分 类 号：TP334.7[自动化与计算机技术—计算机系统结构]