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chuankou_jiexian
- 目前较为常用的串口有9针串口(DB9)和25针串口(DB25),通信距离较近时(<12m),可以用电缆线直接连接标准RS232端口(RS422,RS485较远),若距离较远,需附加调制解调器(MODEM)。最为简单且常用的是三线制接法,即地、接收数据和发送数据三脚相连,本文只涉及到最为基本的接法,且直接用RS232相连,以回答前段网友的咨询。-now more commonly used serial 9-pin serial p
AT89C52
- 用AT89C52 单片机实现RS422到CAN总线的转换-Using AT89C52 MCU RS422 to CAN bus conversion
DB9-DB25-COM
- 目前较为常用的串口有9针串口(DB9)和25针串口(DB25),通信距离较近时(<12m),可以用电缆线直接连接标准RS232端口(RS422,RS485较远),若距离较远,需附加调制解调器(MODEM)。最为简单且常用的是三线制接法,即地、接收数据和发送数据三脚相连,本文只涉及到最为基本的接法,且直接用RS232相连-At present, the more commonly used 9-pin serial port ser
yibutongxin
- 用VHDL编写的串口异步通信的例子,适于RS232、RS422的通信-err
RS485RS422dingyi
- 串口通信种的各种定义,诸如RS485、RS422,传输方式,传输距离-Types of serial communication to the various definitions, such as RS485, RS422, transmission, transmission distance
USB
- 仿真标准串口,用于升级原串口外围设备,或者通过USB 增加额外串口。 ● 计算机端Windows 操作系统下的串口应用程序完全兼容,无需修改。 ● 硬件全双工串口,内置收发缓冲区,支持通讯波特率50bps~2Mbps。 ● 支持5、6、7 或者8 个数据位,支持奇校验、偶校验、空白、标志以及无校验。 ● 支持串口发送使能、串口接收就绪等传输速率控制信号和MODEM 联络信号。 异步串口/RS232/RS485/RS4
RS-232RS-422andRS-485
- 详细讲述了RS232,RS485,RS422电平间的不同,及各电平的特点等问题。-A detailed account of the RS232, RS485, RS422-level between the different levels and characteristics and so on.
DelayTrigIndex
- 完成的是RS422信号的计数功能,并产生一定的触发信号-RS422 signals the completion of the count function, and produce a certain trigger signals
RS485
- RS232/RS422/RS485通用协议标准和参考资料-RS232/RS422/RS485 generic protocol standards and reference materials
USBto232_485_UART
- DIY多功能转换器(已调试通过)。 本原理图可以实现USB/RS232、USB/RS422、USB/RS485接口转换功能。只需安装USB驱动程序即可实现USB转串口的功能,简单方便。另外只需对电路图稍作改动即可实现RS232/RS422或RS232/RS485转换功能。 心动了吗?不如赶快行动,拥有属于自己的五合一的接口转换器吧!-DIY Multi-function Converter (has debug through)
rs422-485application
- rs-422 485 总线应用简介,英文的,希望对大家有帮助-rs-422 485 Bus Application, English, and I hope all of you will help
RS422RS485
- rs422,485的协议标准说明书以及它们的相关资料-rs422 485 of the protocol standard specification, as well as their relevant information
serialport
- 串口通信编程大全RS232 RS422 RS485-Serial communication programming Daquan RS232 RS422 RS485
isolate
- RS232-RS422隔离模块电路图,隔离电压为3000V-RS232 AND RS422 communication adaptor,isolated
Max3080
- RS485/RS422 驱动芯片C51源代码。-RS485/RS422 driver IC C51 source code.
RS422_Cable1
- Serial communication for RS4-Serial communication for RS422
matlab_serial_experiments
- matlab串口实验串口通信,一般是指RS232、RS422之间的通信。matlab中有专门的serial函数来创建串口对象。-matlab serial experiments
UART
- 用UART实现RS422通信-UART TO RS422
RS422
- dsp最新 的28335 422通讯相关程序,可以参考-Latest 28,335,422 dsp communications procedures, refer to
KopplerController
- ATMEGA 88 controls an MCP23017 16 Bit I2C-I/O Expander over RS422 Bus. This is an Example how the Protocol of MCP23017 works.