TI introduces the world's smallest microcontroller, for compact applications such as medical wearables and personal electronics

https://www.ti.com/about-ti/newsroom/news-releases/2025/2025-03-11-ti-introduces-the-world-s-smallest-mcu--enabling-innovation-in-the-tiniest-of-applications.html

"38% smaller (1.38mm2, black pepper flake size), lower cost/ complexity, enhanced embedded systems' sensing/ control... adds functionality while preserving board space. ..T16KB of memory, a 12-bit analog-to-digital converter with three channels; six general-purpose input/output pins; and compatibility with standard communication interfaces... enables flexibly integrating accurate, high-speed analog components into the world's smallest MCU... earbuds, medical probes"