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CH343 - USB to High-Speed Serial Chip

General Description

16 4 15 7 3 VDD5 POWER Power supply voltage input of power regulator, requires an external decoupling capacitor 1 VIO POWER I/O port power input, decoupling capacitor requires an external 1 3, 0 2, 0 GND POWER Ground 4 10 6 NONE NONE NONE Internal power regulator output, core

Key Features

  • l Full-speed USB device interface, USB 2.0 compatible. l Built-in firmware , emulate standard UART interface, used to upgrade the original serial peripherals or expand additional serial UART via USB. l Original serial.

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Datasheet Details

Part number CH343
Manufacturer Unknown Manufacturer
File Size 240.27 KB
Description USB to High-Speed Serial Chip
Datasheet download datasheet CH343 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
CH343 Datasheet 1 USB to High-Speed Serial Chip CH343 1. Introduction Datasheet Version: 1E http://wch.cn CH343 is a USB bus converter chip, which converts USB to high-speed serial UART interface , supports automatic identification and dynamic adaptation of communication baud rate of 115200bps and below, provides common MODEM signal, to expand serial UART interface of computer or upgrade common serial devices or MCU to USB bus directly. Computer or other USB host VDD5 UD+、UD- CH343 convert chip VIO UART/RS232/RS485 2. Features l Full-speed USB device interface, USB 2.0 compatible. l Built-in firmware , emulate standard UART interface, used to upgrade the original serial peripherals or expand additional serial UART via USB.