新浪网

终于有人把常用的三种通讯方式：RS485、RS232、RS422讲明白了

原标题：终于有人把常用的三种通讯方式：RS485、RS232、RS422讲明白了 来源：DTECH帝特 我们都知道，在一般情况下我们会使用串口进行通讯，但是这种串口只适合连接2个设备之间，因此存在很多不方便之处（比如我们进行一对多的通讯），制约了串行数据的收发 ...
电子工程专辑

串口、UART、RS232、RS485、USB、COM口介绍

经常叫串口通信串口通信的，有时候默认串口通信就是指UART，有时候又会叫USB串口，有时候会说串口RS232,串口RS485，有时候又说COM口，傻傻分不清楚，人都搞懵了，今天彻底弄清楚。 串口是一个泛称，代指所有串口时序标准的接口，即每次只传输一位数据，规定 ...
EDN

Test Routine For RS232 Communication

This project illustrates the RS232 transmission and reception for PIC16F84 microcontroller, which is fully controlled by software. This project illustrates the RS232 transmission and reception for ...
EDN

RS232 – RS485 Converter with Automatic RX – TX Control

Today, although the wireless technology grows very fast, the long distance funicular communication still keeps its popularity. The reason is obvious that cost and complexity is high at the wireless ...
Electronic Design

Dual RS232/RS485 IC Integrates Switchable Termination

Linear Technology's LTC2872 is a multiprotocol 20-Mbit/s RS232 and 500-Kbit/s RS485 transceiver with switchable integrated termination for 3.3-V and 5-V systems. The LTC2872 is a multiprotocol 20-Mbit ...