@Alex I'm not sure where you saw that - but I just checked the datasheet for 103F/G and the very first line says:
Features ■ Core: ARM 32-bit Cortex™-M3 CPU with MPU – 72 MHz maximum frequency
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Alex I'm not sure where you saw that - but I just checked the datasheet for 103F/G and the very first line says: