ASX00007 datasheet(8/49 Pages) ARDUINO

8 / 49 page

THE BOARD EVERYBODY GETS STARTED WITH, BASED

ON THE ATMEGA328 (SMD)

The

ARDUINO UNO SMD R3 is a microcontroller board

based on the ATmega328. It has 14 digital input/

output pins (of which 6 can be used as PWM outputs),

6 analog inputs, a 16 MHz crystal oscillator, a USB

connection, a power jack, an 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 a AC-to-DC adapter or battery

to get started. The Uno differs from all preceding boards

in that it does not use the FTDI USB-to-serial driver

chip. Additional features coming with the R3 version are:

- ATmega16U2 instead 8U2 as USB-to-Serial converter.

- 1.0 pinout: added SDA and SCL pins for TWI

communication placed near to the AREF pin and two other

new pins placed near to the RESET pin, the IOREF that

allow the shields to adapt to the voltage provided from

the board and the second one is a not connected pin, that

is reserved for future purposes.

- stronger RESET circuit.

“Uno” means “One” in Italian and is named to mark the

upcoming release of Arduino 1.0. The Uno and version

1.0 will be the reference versions of Arduino, moving

forward. The Uno is the latest in a series of USB Arduino

boards, and the reference model for the Arduino platform.

UNO SMD REV 3

COD:A000073

STORE.ARDUINO.CC/ARDUINO-UNO-SMD-REV3

TECH SPECS:

MICROCONTROLLER ATMEGA328

OPERATING VOLTAGE

INPUT VOLTAGE (RECOMMENDED) 7-12V

INPUT VOLTAGE (LIMITS) 6-20V

DIGITAL I/O PINS 14 (OF WHICH 6

PROVIDE PWM OUTPUT)

ANALOG INPUT PINS

DC CURRENT PER I/O PIN 40 MA

DC CURRENT FOR 3.3V PIN 50 MA

FLASH MEMORY 32 KB (ATMEGA328) OF

WHICH 0.5 KB USED BY BOOTLOADER

SRAM 2 KB (ATMEGA328)

EEPROM 1 KB (ATMEGA328)

CLOCK SPEED 16 MHZFLASH MEMORY

ASX00007 Datasheet(PDF) 8 Page - Arduino

ASX00007 Datasheet(HTML) 8 Page - Arduino

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