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串口打印

串口調(diào)試助手V2.1

串口調(diào)試助手V2.1

標(biāo)簽： 2.1 串口調(diào)試助手

上傳時間： 2013-11-02

上傳用戶：ggwz258
虛擬串口

虛擬串口

標(biāo)簽： 虛擬串口

上傳時間： 2013-12-20

上傳用戶：MATAIYES
串口調(diào)試助手V2.2

51做串口實驗的串口調(diào)試助手，不過是老版本，但是好用

標(biāo)簽： 2.2 串口調(diào)試助手

上傳時間： 2014-02-18

上傳用戶：chukeey
單片機串口測試程序?qū)嵗?/a>

將單片機從串口收到的字符重新發(fā)送到串口

標(biāo)簽： 單片機串口測試 上傳時間： 2013-10-28

上傳用戶：YKLMC

sscom30丁丁串口調(diào)試工具

sscom30丁丁串口調(diào)試工具,可以自由設(shè)置波特率，速度，方向等等！學(xué)習(xí)串口控制的必備軟件，非常方便簡單易用

標(biāo)簽： sscom 30 串口調(diào)試工具

上傳時間： 2013-11-08

上傳用戶：coeus
IO模擬串口通訊方法實例

本內(nèi)容介紹了IO模擬串口通訊的實現(xiàn)方法及實例分析

標(biāo)簽： IO模擬串口通訊

上傳時間： 2013-11-11

上傳用戶：jiwy
基于CH341A的USB串口通訊設(shè)計

為解決當(dāng)前計算機串行通訊接口只有USB，難以滿足舊型號設(shè)備或某些單片機要求RS232通訊的問題，設(shè)計出兩款RS232/USB電路。采用CH341A與MAX223集成電路芯片構(gòu)建標(biāo)準(zhǔn)9線RS232/USB通用接口轉(zhuǎn)換器，無需編程。采用CH341A與PIC16F877A構(gòu)建單片機與計算機之間的USB通訊電路，軟件遵循RS232通訊協(xié)議，硬件進行電平轉(zhuǎn)換。實際使用表明，這兩款產(chǎn)品與計算機端Windows 操作系統(tǒng)下的串口應(yīng)用程序完全兼容，且通訊過程中無握手失敗現(xiàn)象。 Abstract: To solve the problem that current computer serial communication only with USB interface can not satisfy with the old type equipments or MCU to communicate with RS232， two kinds of RS232/USB circuit were designed.CH341A and MAX223 integrated circuit chips were used to create a standard 9-line RS232/USB universal interface convertor without programme. CH341A and PIC16F877A chips were adopted to build the USB communication circuit between computers and MCU. The software follows RS232 communication protocol， and the hardware converts electrical levels. Actual practices indicate that the two manufactures are compatible with serial application program of Windows operation system completely，and get avoid of handshake lost.

標(biāo)簽： 341A 341 USB CH

上傳時間： 2013-11-03

上傳用戶：siying
工控軟件組態(tài)王與單片機多機串口通訊的設(shè)計

詳細介紹工控軟件組態(tài)王與單片機多機串口通訊的設(shè)計原理。分析組態(tài)王提供的直接與單片機串口通信方法的優(yōu)點，給出系統(tǒng)基于RS-485總線傳輸?shù)慕涌陔娐吩韴D。根據(jù)組態(tài)王提供的通訊協(xié)議和單片機多機串口通訊的原理，給出程序設(shè)計流程與思路。 Abstract: In this paper，the design principle of communication between multi-SCM and KingView by serial ports is described in detail.We analysis the advantage of method supplied by KingView,by which KingView can communicate with serial ports of SCM directly，and provide the system’s interface circuit based on the RS-485transmission line.We provide flow diagram of programming and thinking on the basis of communication protocol supplied by KingView and principle of communication among multi-SCM through serial ports.

標(biāo)簽： 工控軟件單片機串口通訊多機

上傳時間： 2013-12-19

上傳用戶：tecman
基于C8051F020的通用串口適配器的設(shè)計

介紹了基于單片機C8051F020的通用串口適配器的設(shè)計與實現(xiàn)方法，即由單片機控制的智能化一對多口收發(fā)信號轉(zhuǎn)換器。通過采用C51對單片機進行編程，控制與RS-232（標(biāo)準(zhǔn)RS-232電平）、RS232(TTL電平)、RS-422接口的數(shù)據(jù)通信；采用C++ Builder作為開發(fā)平臺，通過RS-232接口實現(xiàn)上位機對適配器各個通信端口的控制。 Abstract: Design and realization of a universal serial port adapter based on the MCU C8051F020 are introduced.The adapter is an intelligent one-to-more receiving and transmitting signal converter controlled by the MCU. By programming the MCU with the language C51,MCU control data communication between the MCU and RS-232(RS-232 level),RS-232(TTL level),RS-422 port; Using C++ Builder as the development plane, by one RS232 port, the upper PC can control each of the communication port of the adapter.

標(biāo)簽： C8051F020 串口適配器

上傳時間： 2013-11-19

上傳用戶：hebanlian
串口與單片機通訊問題

串口與單片機通訊問題

標(biāo)簽： 串口單片機通訊

上傳時間： 2013-11-12

上傳用戶：wbwyl