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CH340 - USB to serial chip

General Description

Part No.

ESSOP-10 3.

Key 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.

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Datasheet Details

Part number CH340
Manufacturer Unknown Manufacturer
File Size 204.39 KB
Description USB to serial chip
Datasheet download datasheet CH340 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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/RS232/RS485 Convert Parallel Printer to USB Printer 2. 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.