Kinetis K24 Data Sheet: 120MHz high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4F microcontroller (MCU), USB OTG Full-speed, 256KB Flash / 256KB SRAM (121 pin)
Kinetis K24: 120MHz Cortex-M4F 256KB Flash (121 pin)
Kinetis K24 Data Sheet: 120MHz high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4F microcontroller (MCU), USB OTG Full-speed, 256KB Flash / 256KB SRAM (121 pin)