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CH341A-Flash-Programmer

Overview

Refer to the modified simplified version of
the CH341A-nextProgrammer multi-voltage dual-mode programmer from the link below - Jialichuang EDA open source hardware platform (oshwhub.com)
is mainly used to flash flash, supports 3.3V, 1.8V switching, and uses 1.8V by default. According to According to my actual needs, there are three output headers, and only one header can be used at the same time.
The actual product has been verified and there are no issues.

After being recognized on the computer, the device manager displays

the software interface as shown below.

The

CLK is too slow. This is the reason why many people complain about the slowness of CH341A.

To be solved: After using it for a period of time, there is no problem, but I personally think that for 1.8V, a voltage conversion chip should be added.

Finally, attach the notes recorded by reading the datesheet:

Design Files

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Update:2025-06-18 06:29:48

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