fish001

STC Cold Start Free Downloader [Hardware Version]

Overview

When the C2 capacitance is 100nF, the Q1 output waveform can be increased to adjust the Q1 output pulse width by increasing the C2 capacity.

When using STC microcontroller, please use a short-circuit cap to short-circuit STC and RTS .

Download experiment:

Flash the emulation firmware: (Be careful to hang the short-circuit cap on the STC pin separately after flashing the emulation firmware and do not short-circuit it with the RTS)

Simulation breakpoint and single-step debugging experiment: (Note that the short-circuit cap only hangs on the STC pin during simulation. Do not short-circuit with RTS)

The pin header sequence is consistent with the Arduino official serial port sequence. Hang the short-circuit cap separately behind the STC pin and the other 5 Pin header can be used as an Arduino downloader.

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2024-11-22 12:44:40

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