Arduino (A000052) Development Board, Arduino Leonardo

Product Information:Silicon Manufacturer: AtmelNo. of Bits: 8bitSilicon Family Name: ATmegaCore Architecture: AVRCore Sub-Architecture: megaAVRSilicon Core Number: ATmega32Kit Contents: Evaluation Board for ATMEGA32U4 MCUProduct Range: -Product OverviewThe A000052 Arduino Leonardo is a microcontroller board based on the ATmega32u4.It has 20 digital input/output pins (of which 7 can be used as PWM outputs and12 as analog inputs), a 16MHz crystal oscillator, a micro USB connection, apower jack, an ICSP header, and a reset button. It contains everything needed tosupport the microcontroller, simply connect it to a computer with a USB cable orpower it with a AC to DC adapter or battery to get started. The board differsfrom all preceding boards in that the ATmega32u4 has built in USB communication,eliminating the need for a secondary processor. This allows the Leonardo toappear to a connected computer as a mouse and keyboard, in addition to a virtual(CDC) serial / COM port. It also has other implications for the behaviour of theboard.ATmega32u4 8bit AVR RISC based microcontrollerArduino Leonardo can be powered via the micro USB connection or with an externalpower supplyThe board can operate on an external supply of 6V to 20VBuilt in LED connected to digital pin 13. When the pin is high value, the LED isonThe board appears as a generic keyboard and mouse, and can be prog to controlthese input devicesUSB Over current ProtectionThe maximum length and width of the Leonardo PCB are 2.7inches and 2.1inches