Kinetis K 32-bit MCU, ARM Cortex-M4 core, 256KB Flash, 50MHz, MAPBGA 121
Freescale
Freescale - PK12DX256VLF5
Freescale - MK12DN512VMC5
$9.38 - $13.78
Freescale - MK12DX128VMC5
$4.63
Freescale - MK12DN512VLH5
Freescale - MK12DN512VLK5
$5.72
Freescale - MK12DX128VLF5
$7.29