Arduino atmega328
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This document provides an unofficial pinout diagram of the ATMEGA328 microcontroller found on Arduino boards. It labels each pin on the microcontroller chip and indicates the corresponding Arduino digital pin number, as well as the pin's functions such as power, ground, analog input, pulse-width modulation (PWM) output, serial communication, and interrupts. The diagram is intended to help users understand how the microcontroller pins map to the Arduino pin headers.
Arduino atmega328
- 1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 ATMEGA328 RESET PC6PCINT5 RXD PD0PCINT160 TXD PD1PCINT171 INT0 PD2PCINT182 INT1 PD3PCINT193OC2B PWM XTAL1 PB6PCINT6OSC1 XTAL2 PB7PCINT7OSC2 XCK PD4PCINT204T0 CLKO PB0PCINT08ICP1 VCC VCC AREF GND GND T1 PD5PCINT215PWMOC0B AIN0 PD6PCINT226PWMOC0A AIN1 PD7PCINT237 OC1APB1 PCINT1 9 PWM OC1BPB2 PCINT2 10 PWM SS OC2APB3 PCINT3 11 PWM MOSI ADC4PC4 PCINT12 A4 SDA ADC5PC5 PCINT13 A5 SCL MISOPB4 PCINT4 12 SCKPB5 PCINT5 13 ADC0PC0 PCINT8 A0 ADC1PC1 PCINT9 A1 ADC2PC2 PCINT10 A2 ADC3PC3 PCINT11 A3 & ATMEGA328 ARDUINO THE UNOFFICIAL PINOUT DIAGRAM 29 JAN 2013 www.pighixxx.com BY PIGHIXXX GND POWER PORT PIN ATMEGA328 PIN FUNC DIGITAL PIN ANALOG-RELATED PIN PWM PIN SERIAL PIN ARDUINO PIN CONTROL LEGEND