USB Convert serial port chip

Features ● Full-speed USB device interface, compatible with USB V2.0. ● Simulate standard serial port, used to upgrade original serial port peripherals, or add additional serial ports through USB. ● The serial port application under the Windows operating system on the computer side is fully com

USB 转串口芯片

CH340是一个USB总线的转接芯片，实现USB转串口或者USB转打印口。在串口方式下，CH340提供常用的MODEM联络信号，用于为计算机扩展异步串口，或者将普通的串口设备直接升级到USB总线。有关USB转打印口的说明请参考手册（二）CH340DS2。 • 全速USB设备接口，兼容USB V2.0。\n• 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。\n• 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。\n• 硬件全双工串口，内置收发缓冲区，支持通讯波特率50bps～2Mbps。\n• 支持常用的MODEM联络信号RTS、DTR、DCD、RI、DSR、CTS。\n• 通过外加电平转换器件，提供RS232、RS485、RS422等接口。\n• CH340R芯片支持IrDA规范SIR红外线通讯，支持波特率2400bps到115200bps。\n• 内置固件，软件兼容CH341，可以直接使用CH341的VC;

应用功能：收发器 接口协议：USB 2.0 数据速率：2Mbps

文件：202.048 Kbytes Page：8 Pages

USB to UART Interface

文件：2.5369 Mbytes Page：9 Pages

USB to UART Interface

文件：207.35 Kbytes Page：6 Pages

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