【应用】网络串口透传模块CH9121可解决传统设备的联网需求，集成10M/100M以太网口，波特率最高921600bps

时间： 2022-07-20 来源：沁恒

技术问答

随着物联网技术的普及，越来越多的传统设备出现联网功能需求。串口作为使用较为广泛的一种通信接口，串口转以太网，进行远程数据传输需求逐渐显现出来。沁恒 CH9121内部集成TCP/IP协议栈，无需编程，即可轻松实现网络数据包和串口数据包的双向透明传输，借助CH9121透传模块，客户可快速实现串口设备联网，大大降低串口设备联网难度并缩短产品开发周期。

CH9121网络串口透传模块集成10M/100M以太网口，支持TCP CLIENT、TCP SERVER、UDP 3种工作模式，串口波特率最高可支持到921600bps，模块参数可通过上位机软件轻松配置，方便快捷。

CH9121 网络串口透传模块应用框图

功能与特点

· 内部自带以太网介质传输层（MAC）和物理层(PHY)。

· 实现串口数据和网络数据的双向透明传输。

· 支持10/100M，全双工/半双工自适应以太网接口，兼容802.3 协议。

· 支持MDI/MDIX 线路自动转换。

· 工作模式支持TCP CLIENT、TCP SERVER和UDP模式。

· 串口波特率支持300bps～921600bps。

· 串口TTL电平，兼容3.3V和5V。

· 串口支持全双工和半双工串口通讯，支持RS485收发自动切换。

· 芯片工作模式、端口、IP等网络参数，串口波特率等参数可通过上位机配置。

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本文由犀牛先生转载自沁恒，原文标题为:CH9121 网络串口透传方案，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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厂牌及品类发布时间 : 2023-06-14

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