CH341 Datasheet - ETC

CH341 USB bus converter

POWER POWER POWER IN OUT USB signal USB signal OUT IN Drain open Output drain open OUT/IN Positive power input.

The DataSheet of CH341 (the first) 1 USB bus convert chip CH341 English DataSheet Version:2D http://wch.cn http://wch-ic.com 1. Introduction CH341 is a USB bus convert chip, providing UART, printer port, parallel and synchronous serial with 2-wire or 4-wire through USB bus. In UART mode, CH341 provides alternant rate control signals such as serial transfer enable, serial receive in ready etc. It also supplies common MODEM communication signal in order to expand UART for computer or upgrade com.

CH341 Features

* 2.1.Introduction

* Full speed USB device interface, conforms to USB Specification Version 2.0, only needs crystal and capacitance external.

* Optional: define Vender ID, production ID and list number through external low-cost serial EEPROM.

* Supports 5V and 3.3V power source.

* Low-

CH341 Datasheet (209.07 KB)