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C3009911_USB to serial port solution verification board based on CH341T chip

Overview

CH341T is a USB bus adapter chip that provides an asynchronous serial port through the USB bus. In asynchronous serial port mode, CH341T provides interactive rate control signals such as serial port transmission enable, serial port reception ready, and commonly
used MODEM contact signals, which are used to expand asynchronous serial ports for computers, or directly upgrade ordinary serial port devices to the USB bus. Full-speed USB device interface, compatible with USB V2.0. Supports 5V power supply voltage and 3.3V power supply voltage, select 5V or 3.3V by shorting the wiring cap.

Design Files

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Update:2025-07-02 09:25:23

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