120 MHz Cortex-M4 with 512 KB Flash — what it buys you on the BOM
The NXP MK20FX512VMD12 is an ARM Cortex-M4 MCU running at 120 MHz, with 512 KB Flash, 128 KB RAM, and 16 KB EEPROM on-chip.
Connectivity and peripheral set for industrial control
The EBI/EMI is the key differentiator here — it lets you hang an external parallel SRAM, NOR Flash, or a display controller directly off the bus, which the smaller Kinetis K-series parts lack. DMA, I²S, LVD, POR, PWM, and WDT round out the peripheral set, so a single MK20FX512VMD12 can handle sensor fusion, PWM motor drive, and audio playback without a companion CPLD or codec.