MK21DX128AVLK5
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 128KB FLASH 80LQFP
MK21DX128AVMC5
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 128KB FLASH 121MAPBGA
MK21DX128VLK5
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 128KB FLASH 80LQFP
MK21DX128VMC5
Manufacturers：
NXP Semiconductors/Freescale Semiconductor, Inc.
Description：
IC MCU ARM 128KB FLASH 121MAPBGA