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Instructions to download programs to (some) Intel MCS-51 compatible MCUs

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Instructions to download programs to (some) Intel MCS-51 compatible MCUs.

Parts

AT89S51

Note
Same applies to AT89S52.
A89S51

STC89C51RC

Note
Same applies to STC89C52RC and STC12C5A6S2.
STC89C51RC

Dependencies

Hardware

AT89S51, AT89S52

  • Arduino board (e.g. Nano, Micro, etc.) — 1 piece

  • Microcontroller — 1 piece

  • Breadboard — 2 pieces

  • Jumper wires — ~20 pieces

  • LEDs — 1 red, 1 green, 1 yellow, 1 white

  • 1-10kΩ resistors — 2 pieces

  • 8-33MHz quartz crystal — 1 piece

  • 22pF capacitors — 2 pieces

  • 10-pin ribbon cable — 1 piece

  • 10-pin to 6-pin adapter — 2 pieces

  • Push-button (NO) — 1 piece

STC89C51RC, STC89C52RC, STC12C5A60S2

  • USB to Serial/TTL adapter (e.g. CH340G, PL2303, etc.) — 1 piece

  • Microcontroller — 1 piece

  • Breadboard — 1 piece

  • Jumper wires — ~10 pieces

  • LEDs — 1 white

  • 1-10kΩ resistors — 1 pieces

  • 8-33MHz quartz crystal — 1 piece

  • 22pF capacitors — 2 pieces

  • Push-button (NO) — 1 piece

Software

AT89S51, AT89S52

Important
Upload the ArduinoISP sketch onto the Arduino board.

STC89C51RC, STC89C52RC, STC12C5A60S2

Programming

Compile binary

Windows and Unix
mcu8051ide --no-bin --no-sim --assemble blink.asm

The output is blink.hex.

Downloading

AT89S51, AT89S52

Windows
avrdude -C %AVRDUDE_HOME%/etc/avrdude.conf -C +./etc/avrdude.conf -c avrisp -p AT89S51 -P COM7 -b 19200 -U flash:w:blink.hex:i

STC89C51RC, STC89C52RC, STC12C5A60S2

Windows
stcgal -p COM7 blink.hex // (1)
  1. Executing this displays Waiting for MCU, please cycle power. Simply disconnect then reconnect VCC.

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Instructions to download programs to (some) Intel MCS-51 compatible MCUs

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