NXP Kinetis K66: 180MHz Cortex-M4F MCU, 2MB Flash, 256KB SRAM, Dual USBs (FS + HS), Ethernet, 144-LQFP Operating Characteristics Parameter Value Core Type Arm Cortex-M4 Operating Frequency [Max (MHz)] 180 Flash (kB) 2048 UART 6 SPI 3 I2C 4 USB Contro…