Kinetis K20: 72MHz Cortex-M4 up to 288KB Flash (80 pin)
Kinetis K20 Data Sheet: 72MHz high-performance ArmВ® CortexВ®-M4 microcontroller(MCU), USB, mixed signal integration, up to 288KB Flash/64KB SRAM (80 pin)
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Kinetis K20: 72MHz Cortex-M4 up to 288KB Flash (80 pin)
Kinetis K20 Data Sheet: 72MHz high-performance ArmВ® CortexВ®-M4 microcontroller(MCU), USB, mixed signal integration, up to 288KB Flash/64KB SRAM (80 pin)