MK20DX256VMC7
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 256KB FLASH 121MAPBGA
MK20DX256VMC7R
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 256KB FLASH 121MAPBGA