Note The default IO level of CH347 development board is 3.3V, and it can be converted to 1.8V IO level by using the 1.8V Ext-Board

Introduction

USB-HS-Bridge is a CH347 development board made by MuseLab, based on WCH CH347 MCU. It is equipped with USB 2.0 high-speed device interface (480Mbps bandwidth ) and supports USB to I2C/SPI/UART/JTAG/GPIO, which can be used to debug and download FPGA development boards and debug various peripheral sensors.

Specification

Features

● USB 2.0 high-speed device, 480Mbps bandwidth

● High-speed dual serial ports, which supports up to 9Mbps baudrate.

● USB to I2C ,which can be used to operate EEPROM or various sensors.

● USB to SPI, which supports 2-way chip select signal and can operate 2 SPI slave devices in time division. The highest frequency can be up to 36MHz.

● USB to JTAG, 4-wire standard JTAG protocol, high-speed transmission, the highest frequency can be up to 60MHz.

Working Mode

The CH347 development board supports four working modes, corresponding to four different functions. Four working modes can be configured by switches S1 and S2.

Documentation

● https://github.com/wuxx/USB-HS-Bridge/

● https://www.wch.cn/

Shipping List

● Kit1: CH347 Development Board x 1 + 16 Pin Header x 2

● Kit2: CH347 Development Board x 1 + 16 Pin Header x 2 + 1 Meter TYPE-C Cable x 1

● Kit 3: CH347 Development Board x 1 + 16 Pin Header x 2 + 1.8V Ext-Board x 1

● Kit 4: CH347 Development Board x 1 + 16 Pin Header x 2 + 1.8V Ext-Board x 1 + 1 Meter TYPE-C Cable x 1