基于DSP的RS-232\RS-422串行收发系统设计作者：丁高林,郑宾来源：《电脑知识与技术》2011年第04期 摘要：针对在噪声干扰比较大的工业环境下对RS-422通信的需求，该设计采用TMS320F2812作为主处理器，利用外部接口（XINTF）和片内的两路SCI异步串口，并通过可编程逻辑器件EPM240T100C5N厚板冲裁
（CPLD）与两片MAX3160连接，实现了上位机和下位机之间、下位机和下位机之间的RS-232国际标准化机构通信、RS-422通信。 索爱wt19i 关键词：钟丽丽年龄RS-422；DSP；串口通信
中图分类号：TN919通路精耕文献标识码：A文章编号：1009-3044(2011)04-0900-02
Design of Serial Transceiver about RS-232 and RS-422 Based on DSP
DING Gao-lin, ZHENG Bin
(National Key Laboratory for Electronic Measurement Technology, North University of China, Taiyuan 030051, China)
论文要求 Abstract： In the industry-environment with strong noise, the RS-422 communication is used greatly. According to this requirement, TMS320F2812 is adopted as the main processor, and connected with two MAX3160 through EPM240T100C5N(CPLD) utilizing the XINTF and two inner SCI UART, to male the communication between PC and DSP or between DSP and DSP comes true in this design.
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