SRSDdSsl

USB to Serial Port CH343g

Overview

The CH343G has a simple external circuit. Referring to the official documentation of Nanjing Qinheng Microelectronics Co., Ltd., all interfaces are brought out. The commonly used interfaces are RXD and TXD, while others can be left floating. All capacitors, resistors, and LEDs are 0805 packages for easy soldering. The interface is a mic-USB interface. Generally, the chip is programmed at 3.3V, with jumper VIO-V3. A 5V jumper VIO-5V is required, which has been verified.

Design Files

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