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STC32G12K128 core board-LQFP64 open source

Overview

STC32G12K128-LQFP64 core board. Verified.
STC32G12K128 microcontroller is pin compatible with STC8H8K, so this board can also solder STC8H8K.
In addition, I previously shared the STC8H8K-LQFP48 core board I drew, which has the same structure as this board: STC8H8K64U-LQFP48 core board - Lichuang EDA Open Source Hardware Platform (oshwhub.com)

2022.6.10 update, change the P30-P33 position The LED current-limiting resistor is modified to 47K, so that there is no need to add a pull-up resistor to P32, and it does not affect the USB download. If you use the serial port download/USB download, you can still see the light flashing.
Two light-emitting diodes affect USB recognition. The reason why the STC microcontroller USB cannot be recognized has been found. - Bilibili (bilibili.com)
This board can be downloaded directly through USB, but my verification failed. The reason has not been found yet (solved); STC microcontroller USB download problem solution_bilibili_bilibili

Design Files

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Update:2025-05-15 04:13:49

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