CH343 Datasheet (ETC) - USB to High-Speed Serial Chip

CH343, USB to High-Speed Serial Chip

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

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 conve

CH343 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 applications are totally compatible without any modification. l Supports free inst