at89c2051 on Electronic Labhttps://electronic-lab.net/en/tags/at89c2051/Recent content in at89c2051 on Electronic LabHugoen-USTue, 20 Oct 2026 00:00:00 +0000Programming the AT89C2051 with SDCC on Linuxhttps://electronic-lab.net/en/tutorials/at89c2051-sdcc/Tue, 20 Oct 2026 00:00:00 +0000https://electronic-lab.net/en/tutorials/at89c2051-sdcc/<p>The AT89C2051 is a small Atmel microcontroller from the 8051 family in a 20-pin package: 2 KB of flash, 128 bytes of RAM, 15 I/O lines, two timers and a UART. On Linux you can program it in C with the free <a href="https://sdcc.sourceforge.net/">SDCC</a> compiler and write it with a TL866 programmer and the <a href="https://gitlab.com/DavidGriffith/minipro">minipro</a> tool.</p>