485通讯协议,用C51语言编写的,很详细的.-485 communications agreement with C51 language, and very detailed. 下载
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modbus串口通讯协议，用于485接口-Serial Modbus communication protocol for 485 下载
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单片机与上微机通信的汇编语言程序 支持485传输协议，软件用modbus协议编写-SCM and computer communications on the assembly language support, 485 transmission agreement Software modbus connection with the preparation of the agreement 下载
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485串行通讯，应用modbus通讯协议，不过没有调好-485 serial communications, application Modbus communication protocol, but did not emphasize good 下载
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单片机开发中485协议到232协议转换源代码，硬件芯片为max483和max232，采用89c51单片机芯片。-485 MCU development agreement to 232 protocol conversion source code, hardware and MAX483 chip max232 using 89c51 single chip. 下载
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基于RS-485的单片机多机通信控制系统协议的实现方案-based on RS-485 Multi-Microcontroller Communication Control System Implementation Agreement 下载
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此系统完成了485抄表，其中包括645协议、福星晓程以及威胜协议，通过测试，可直接使用- 下载
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RS422/485的通信协议说明。工业通信领域的同志们可以看看-RS422/485 communication protocol note. Industrial Communication fields comrades can see 下载
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51单片机的RS485通讯程序源码,适合初学者了解485通讯协议原理及代码具体实现-51 MCU RS485 communication program source code, for beginners to understand 485 communication protocol principle and achieve specific code 下载
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此程序完全按照645协议编写的485抄表程序 波特率1200，已通过测试，可直接使用！- 下载
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