Freescale Semiconductor Data Sheet: Product Previe.
K60P100M100SF2 - Up to 100 MHz ARM Cortex-M4 core
Freescale Semiconductor Data Sheet: Product Preview Document Number: K60P100M100SF2 Rev. 4, 3/2011 Supports the following: MK60N256VLL100, MK60X256V.K60P100M100SF2V2 - K60 Sub-Family
Freescale Semiconductor Data Sheet: Technical Data Document Number: K60P100M100SF2V2 Rev. 3, 6/2013 Supports the following: MK60DN256VLL10, MK60DX25.