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K21P121M50SF4
MK21DX128VMC5
MK21DX256VMC5
MK21DN512VMC5
datasheet
data sheet
Kinetis
microcontroller
MCU
Cortex-M
ARM
specification
architecture
features
high-performance
Cortex-M4
Kinetis K
K-series
K2x
USB
anti-tamper
advanced security
K21
Kinetis K21 Data Sheet: 50MHz high-performance ARM Cortex-M4 microcontroller(MCU), USB, advanced security/anti-tamper, up to 512KB Flash/64KB SRAM (121pin)
Freescale Semiconductor Inc.
Kinetis K21: 50MHz Cortex-M4 up to 512KB Flash (121pin)
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