Kinetis K21 Data Sheet: 120MHz high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4F microcontroller(MCU), USB, advanced security/anti-tamper, up to 1MB Flash/128KB SRAM, 144 ...
Kinetis K21: 120MHz Cortex-M4F up to 1MB Flash (144pin)
Kinetis K21 Data Sheet: 120MHz high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4F microcontroller(MCU), USB, advanced security/anti-tamper, up to 1MB Flash/128KB SRAM, 144 ...