• RS Stock No. 696-3092
  • Brand Atmel
  • Mfr. Part No. ATMEGA328P-AU
Microchip ATMEGA328P-AU, 8bit AVR Microcontroller, 20MHz, 1 kB, 32 kB Flash, 32-Pin TQFP
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Product Details

ATmega328P 8-Bit megaAVR picoPower Microcontrollers

The Atmel ATmega328P Microcontroller is an 8-bit megaAVR device based on the AVR enhanced RISC architecture. Featured is picoPower technology that offers ultra-low power consumption and low-power sleep modes, ideal for battery powered applications.

Microcontroller Features

•20 MHz Max. Operating Frequency
•Up to 20 MIPS at 20 MHz
•32 KB Flash
•1024 B EEPROM
•131 Instructions – Most single clock cycle execution
•32 General Purpose Registers
•23 GPIO
•Power-on Reset and Programmable Brown-out Detection
•Internal Calibrated Oscillator
•External and Internal Interrupt Sources
•Six Power-Saving Sleep Modes
•Internal and External Interrupts
•Fully Static Operation

Peripheral Features

•10-bit 15 ksps Analogue-to-Digital Converter (ADC) – 8 or 6 channels
•Capacitive Touch Sense – 16 channels
•Temperature Sensor
•Two 8-bit Timers
•One 16-bit Timer
•Output Compare Module – 6 channels
•Six PWM Channels
•Programmable Serial USART
•Master/Slave SPI Serial Interface
•Byte-oriented 2-wire Serial Interface – I2C compatible
•Programmable Watchdog Timer with Separate Oscillator
•Analogue Comparator
•Interrupt and Wake-up on Pin Change

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Family NameATmega
Package TypeTQFP
Mounting TypeSurface Mount
Pin Count32
Device CoreAVR
Data Bus Width8bit
Program Memory Size1 kB, 32 kB
Maximum Frequency20MHz
RAM Size2 kB
Number of PWM Units3
ADC Channels8
Number of SPI Channels1
Typical Operating Supply Voltage1.8 → 5.5 V
PWM Resolution8 bit, 16 bit
Instruction Set ArchitectureRISC
Program Memory TypeFlash
ADCs8 x 10 bit
Number of Timers3
Number of USART Channels1
Number of ADC Units1
PWM Channels6
Minimum Operating Temperature-40 °C
Number of I2C Channels1
Maximum Operating Temperature+85 °C
Pulse Width Modulation2(6 x 8 bit), 6 x 16 bit
Dimensions7 x 7 x 1.05mm
Timers1 x 16 bit, 2 x 8 bit
Timer Resolution8 bit, 16 bit
ADC Resolution10bit
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Discontinued product
Microchip Technology ATMEGA328P-AU, 8bit AVR Microcontroller, 20MHz, 32 kB Flash, 32-Pin TQFP
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 696-3092
    Description Microchip ATMEGA328P-AU, 8bit AVR Microcontroller, 20MHz, 1 kB, 32 kB Flash, 32-Pin TQFP
    Manufacturer/Brand: Atmel
    Mfr. Part No. ATMEGA328P-AU
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Dec 18, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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