Kinetis K40: 100MHz Cortex-M4 MCU, 256KB Flash, 32KB SRAM, Full-Speed USB, Segment LCD, 144-LQFP
Freescale
Freescale - PK40DN512VLK10
Freescale - PK40DN512VLL10
Freescale - PK40DN512VLQ10
Freescale - PK40DN512VMD10
Freescale - PK40DN512ZVLK10
Freescale - PK40DN512ZVLQ10