Or like it's 2025. Plenty of current-production parts using an 8051 core as either their main sequencer, or as a low power core with bigger options on the main power rail.
N76E003 – a 1T-8051 based series MCU, offers 18 KB Flash ROM, configurable Data Flash and 1 KB SRAM. It supports wide operating voltage of 2.4V to 5.5V, temperature range of -40℃ to 105℃, and high noise immunity of 7KV ESD and 4KV EFT.
If you work in C and are happy with the standard libraries and don't want to go too deep into the hardware then most of the 8-bit micros are pretty similar. During COVID and the component shortages I had to do a bit of swapping around, luckily it was all GPIO, I2C and UART stuff so nothing too taxing.
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[ 3.1 ms ] story [ 29.6 ms ] threadNuvoton N76E003AT20:
N76E003 – a 1T-8051 based series MCU, offers 18 KB Flash ROM, configurable Data Flash and 1 KB SRAM. It supports wide operating voltage of 2.4V to 5.5V, temperature range of -40℃ to 105℃, and high noise immunity of 7KV ESD and 4KV EFT.
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It’s still alive and kicking.
Is it easy to use? Or advanced-ish? For hobbysts