• 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
      •2 KB SRAM
      •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
      Number of ADC Units1
      Number of Timers3
      ADC Resolution10bit
      Timer Resolution8 bit, 16 bit
      Timers1 x 16 bit, 2 x 8 bit
      PWM Resolution8 bit, 16 bit
      Maximum Operating Temperature+85 °C
      Number of I2C Channels1
      PWM Channels6
      Pulse Width Modulation2(6 x 8 bit), 6 x 16 bit
      Minimum Operating Temperature-40 °C
      Instruction Set ArchitectureRISC
      Dimensions7 x 7 x 1.05mm
      Program Memory TypeFlash
      ADCs8 x 10 bit
      Number of USART Channels1
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      Discontinued product
      Microchip 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 Jun 29, 2017
        RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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