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STM32G070CBT6 minimum system core board

Overview

The STM32G070CBT6 minimum system includes download circuit, Mirco USB power supply, power indicator light, reset button, and all IO ports have been led out.
The download method is ST-Link, including 4 pins, VCC (3.3V), GND, SWDIO, SWCLK.
This minimum system has been verified and can download programs normally.
The PCB uses a two-layer board, and the wiring is a bit messy. You can choose a 4-layer board for wiring.
Below are the actual pictures and PCB blank board.
Front:
Back:
Empty board Front:
Empty board Back:
PCB:
BOM:
Engineering attachments include BOM, schematic and PCB.

Design Files

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Update:2025-06-24 11:46:32

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