I2C Pins UNO R3 MEGA328P ATMEGA16U2 For Arduino Compatible

UNO R3 MEGA328P ATMEGA16U2 for Arduino Compatible

Quick Detail:

UNO R3 2012 launched an easy to use open-source controller hardware and Arduino UNO and no major changes, the biggest difference is that USB to serial part of the circuit switch is a ATMega16U2 microcontroller, whichthe cost increase, the software part of the same as before, no major changes.

Description:

Pin changes plus two I2C pins (SDA and SCL: next to the AREF pin, the Analog 4 and 5 copy, not the additional I2C interface), added two pins, theRESET next one is IOREF, , allowing the expansion board to adapt to on-board voltage, this pin is just told to expand the board's current on-boardvoltage (such as UNO is 5V, the power supply pin can be seen as copy, does not provide the level pull-up), and the other is after inactiveplaceholder pins.

Specifications:

MicrocontrollerATmega328
Operating Voltage5V

Input Voltage (recommended)7-12V

Input Voltage (limits)6-20V

Digital I/O Pins14 (of which 6 provide PWM output)

Analog Input Pins6

DC Current per I/O Pin40 mA

DC Current for 3.3V Pin50 mA

Flash Memory32 KB (ATmega328) of which 0.5 KB used by bootloader

SRAM2 KB (ATmega328)EEPROM1 KB (ATmega328)

Clock Speed16 MHz

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