The NXP MK22FN128VLL10 is a 32-bit ARM Cortex-M4 microcontroller clocked at 100 MHz with 128 KB Flash and 24 KB RAM.
100 MHz Cortex-M4 — what the clock buys you
The 24 KB RAM is enough for moderate data buffers.
The base product number MK22FN128 covers multiple Flash/RAM density variants in the same 100-LQFP footprint, so a drop-in upgrade path exists within the family if firmware grows.
