CH340 Datasheet - ETC

CH340 USB to serial chip

Part No. SOP-16 3.9mm 150mil 1.27mm 50mil Small outline 16-pin patch CH340G SOP-16 3.9mm 150mil 1.27mm 50mil Small outline 16-pin patch CH340C SOP-16 3.9mm 150mil 1.27mm 50mil Small outline 16-pin patch CH340B SOP-8 3.9mm 150mil 1.27mm 50mil Small outline 8-pin patch CH340N ESSOP-10 3..

CH340 Datasheet (I) 1 USB to Serial Port Chip CH340 Datasheet Version: 3B http://wch.cn 1. Introduction CH340 is a USB bus converter chip which converts USB to serial port or printer port. In UART mode, CH340 provides standard MODEM signals, used to extend serial port for computers, or upgrade directly from normal serial device to USB bus. For more information about converting USB to printer interface, please refer to the CH340DS2 datasheet. Computer USB or Other USB Host CH340 UART/RS23.

CH340 Features

* l Full-speed USB device interface, USB 2.0 compatible. l Emulate standard UART interface, used to upgrade the original serial peripheral or expand additional UART via USB. l Original UART applications are totally compatible without any modification in Windows operating systems. l Hardware full duple

CH340_ETC.pdf