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。\r • 全速 USB 设备接口，兼容 USB V2.0。\n• 标准 USB 打印口，用于升级原并口打印机，兼容相关的 USB 规范。\n• 兼容 Windows 操作系统，在 Windows2000 及以上系统下无需驱动程序，应用程序完全兼容。\n• 支持 IEEE-1284 规范的双向通讯，支持单向和双向传输打印机。\n• 由于是通过 USB 转换的打印口，所以只能做到应用层兼容，而无法绝对相同。\n• 软件兼容 CH341，可以直接使用 CH341 的驱动程序。\n• 支持 5V 电源电压和 3.3V 电源电压甚至 3V 电源电压。\n• CH340H 内置时钟，无需外部晶振。\n• 提供S;

USB to serial chip

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