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STC8H3K coreboard SSOP20

Overview

1. The pin header distance is synchronized with the PDIP package width and can be directly inserted into a breadboard

2. P5.5 is connected to the LED on the board, and other IO ports are led out.
3. P5.4 is the RST pin, which can only be pulled down to ground by pressing the button. There is no RC reset circuit; if the RST function is not used, it can be used as a normal IO port. , or use the onboard buttons as input (software debounce required)
4. VREF(+) is fixedly connected to AVCC, and the analog power supply and ground are connected to VCC and GND at a single point (the magnetic beads in the schematic diagram are not actually used and are only used for segmentation electrical network)

New pit:

STC8H series 8051 microcontroller firmware library (imitates the STM32 firmware library calling method)

https://github.com/ccapen/STC8H_Periph_Lib.git

Long-term updates planned

Design Files

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Update:2025-05-08 18:12:44

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