【产品】沁恒TCP/IP网络协议栈芯片CH392，自带10M以太网介质传输层（MAC）和物理层(PHY)

时间： 2022-06-25 来源：沁恒

技术问答

沁恒 CH392是以太网协议栈管理芯片，用于单片机系统进行以太网通讯。CH392芯片自带10M以太网介质传输层（MAC）和物理层(PHY)，完全兼容IEEE802.3协议，内置了 IP、DHCP、ARP、ICMP、IGMP、UDP、TCP 等以太网协议栈固件。单片机系统可以方便的通过CH392 芯片进行网络通讯。CH392支持两种通讯接口： SPI接口或者异步串口，单片机/DSP/MCU/MPU 等控制器可以通过上述任何一种通讯接口控制CH392芯片进行以太网通讯。

CH392 应用框图

特点

内部自带以太网介质传输层（MAC）和物理层(PHY)；
支持10M，全双工/半双工自适应，兼容802.3协议；
支持MDI/MDIX线路自动转换库；
内置TCP/IP协议簇，支持IPv4、DHCP 、ARP、ICMP、IGMP、UDP、TCP 协议；
提供4个独立的Socket对，可以同时进行数据收发；
提供最高8MHz速度的SPI设备接口，支持连接到单片机的SPI串行总线；
提供最高921600bps速度的异步串口，支持连接到单片机的串行口，支持通讯波特率动态调整；
内置4KB RAM，可用于以太网数据收发，每个Socket收发缓冲区可以自由配置；
提供QFN28封装；

应用：

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本文由ZHOU ZHOU转载自沁恒，原文标题为:TCP/IP网络协议栈芯片CH392，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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