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Iteaduino Leonardo

iteadstudio.com

2012-07-17

8

Tech Support: [email protected]

Links and References

-

ITead Studio Site: iteadstudio.com

- Arduino site: arduino.cc

- Getting started with Arduino: arduino.cc/en/Guide/Windows

Revision History

Rev.

Description

Release date

v1.0

Initial version

2012-07-17

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Summary of Contents for Iteaduino Leonardo

Page 1: ...n ICSP header and a reset button It contains everything needed to support the microcontroller simply connect it to a computer with a USB cable or power it with an AC to DC adapter or battery to get started The Iteaduino Leonardo differs from all preceding boards in that the ATmega32u4 has built in USB communication eliminating the need for a secondary processor This allows the Leonardo to appear t...

Page 2: ... interface breakout All electronic brick socket are broken out Specifications Microprocessor ATmega32U4 PCB size 68 58mm X 58 42mm X 1 6mm Indicators Power TX RX L Power supply recommended 7 23V DC Power supply limits 23 VDC max Communication Protocol UART SPI IIC Clock Speed 16MHz RoHS Yes Electrical Characteristics Specification Min Type Max Unit Input voltage 7 23 VDC Operating Voltage 3 3 5 VD...

Page 3: ...ace D0 D13 pin Sensor Interface A0 A1 A2 A3 A4 A5 pin Pin Map Index Name of Arduino Alternate Function Pin of Atmega32u4 1 D0 UART DIN PD2 2 D1 UART DOUT PD3 3 D2 IIC_SDA PD1 4 D3 IIC_SCL PWM PD0 5 D4 External Interrupt 0 A6 PD4 6 D5 External Interrupt 1 PWM PC5 7 D6 PWM PD7 8 D7 A7 PE6 9 D8 A8 PB4 10 D9 PWM A9 PB5 ...

Page 4: ...supply of 7 to 23 volts If supplied with less than 7V however the 5V pin may supply less than five volts and the board may be unstable The power pins are as follows VIN The input voltage to the Iteaduino board when it s using an external power source as opposed to 5 volts from the USB connection or other regulated power source You can supply voltage through this pin or if supplying voltage via the...

Page 5: ... change in value See the attachInterrupt function for details PWM 3 5 6 9 10 11 and 13 Provide 8 bit PWM output with the analogWrite function SPI on the ICSP header These pins support SPI communication using the SPI library Note that the SPI pins are not connected to any of the digital I O pins as they are on the Uno They are only available on the ICSP connector This means that if you have a shiel...

Page 6: ...e RX and TX LEDs on the board will flash when data is being transmitted via the USB connection to the computer but not for serial communication on pins 0 and 1 A Software Serial library allows for serial communication on any of the Iteaduino Leonardo s digital pins The ATmega32U4 also supports I2C TWI and SPI communication The Arduino software includes a Wire library to simplify use of the I2C bus...

Page 7: ...y the Iteaduino Leonardo handles reset it s best to let the Arduino software try to initiate the reset before uploading especially if you are in the habit of pressing the reset button before uploading on other boards If the software can t reset the board you can always start the bootloader by pressing the reset button on the board USB Over current Protection The Iteaduino Leonardo has a PTC that p...

Page 8: ...Tech Support support iteadstudio com Links and References ITead Studio Site iteadstudio com Arduino site arduino cc Getting started with Arduino arduino cc en Guide Windows Revision History Rev Description Release date v1 0 Initial version 2012 07 17 ...

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