NXP 恩智浦Kinetis K66: 180MHz
Cortex?-M4F up to 2MB Flash (144pin)
Kinetis K66 Sub-Family Kinetis K66 Sub-Family 180 MHz ARM? Cortex?-M4F Microcontroller. The K66 sub-family members provide greater performance, memory options up to 2 MB total flash and 256 KB