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Core board-CH554G

Overview

Core board-CH554G

The CH554 chip is an enhanced E8051 core microcontroller compatible with the MCS51 instruction set.
It has on-chip ADC, PWM, USB, UART and other peripherals, and can be programmed to convert various signals to communicate with the PC through the USB device function.
Based on the original author, this core board adds a download button and power selection circuit and adds a 3.3V power supply. Short-circuiting VCC and 3V3 can supply 3.3V to the chip.

Front

and back
original project links: Qinheng CH554G minimum system

Design Files

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Update:2025-05-08 16:00:39

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