Kinetis K21: 120MHz Cortex-M4F up to 1MB Flash (121pin)
Kinetis K21 Data Sheet: 120MHz high-performance ArmВ® CortexВ®-M4F microcontroller(MCU), USB, advanced security/anti-tamper, up to 1MB Flash/128KB SRAM, 121pin
Kinetis K21: 120MHz Cortex-M4F up to 1MB Flash (121pin)
Kinetis K21 Data Sheet: 120MHz high-performance ArmВ® CortexВ®-M4F microcontroller(MCU), USB, advanced security/anti-tamper, up to 1MB Flash/128KB SRAM, 121pin
Kinetis K21: 120MHz Cortex-M4F up to 1MB Flash (121pin)
Kinetis K21 Data Sheet: 120MHz high-performance ArmВ® CortexВ®-M4F microcontroller(MCU), USB, advanced security/anti-tamper, up to 1MB Flash/128KB SRAM, 121pin
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)
Kinetis K20: 100MHz Cortex-M4 up to 512KB Flash (80pin)
Kinetis K20 Data Sheet: 100MHz high-performance ArmВ® CortexВ®-M4 microcontroller(MCU), USB, mixed-signal integration, up to 512KB Flash/128KB SRAM (80 pin)
Kinetis K20: 100MHz Cortex-M4 256/512KB Flash (80/81 pin) - Initial Product Rev
Kinetis K20 Data Sheet: 100MHz high-performance Arm Cortex-M4 microcontroller(MCU), USB, mixed-signal integration, up to 512KB Flash/128KB SRAM (80/81 pin)
Kinetis K20: 72MHz Cortex-M4 up to 288KB Flash (64 pin)
Kinetis K20 Data Sheet: 72MHz high-performance Arm Cortex-M4 microcontroller(MCU), USB, mixed signal integration, up to 288KB Flash/64KB SRAM (64 pin)
Kinetis K20: 50MHz Cortex-M4 up to 160KB Flash (64 pin)
Kinetis K20 Data Sheet: 50MHz high-performance ArmВ® CortexВ®-M4 microcontroller(MCU), USB, mixed-signal integration, up to 160KB Flash/16KB SRAM (64 pin)
Kinetis K20: 50MHz Cortex-M4 up to 160KB Flash (48 pin)
Kinetis K20 Data Sheet: 50MHz high-performance Arm Cortex-M4 microcontroller(MCU), USB, mixed-signal integration, up to 160KB Flash/16KB SRAM (48 pin)
Kinetis K20: 50MHz Cortex-M4 up to 160KB Flash (32 pin)
Kinetis K20 Data Sheet: 50MHz high-performance Arm Cortex-M4 microcontroller(MCU), USB, mixed-signal integration, up to 160KB Flash/16KB SRAM (32 pin)
Kinetis K20: 100MHz Cortex-M4 up to 512KB Flash 144pin
Kinetis K20 Data Sheet: 100MHz high-performance Arm Cortex-M4 microcontroller(MCU), USB, mixed-signal integration, up to 512KB Flash/128KB SRAM (144 pin)