• RS Stock No. 922-2142P
      • Brand Microchip
      • Mfr. Part No. ATMEGA328P-PU
      Microchip ATMEGA328P-PU, 8bit AVR CPU Microcontroller, 20MHz, 32 kB Flash, 28-Pin PDIP
      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 TypePDIP
      Mounting TypeThrough Hole
      Pin Count28
      Device CoreAVR CPU
      Data Bus Width8bit
      Program Memory Size32 kB
      Maximum Frequency20MHz
      RAM Size2 kB
      Number of PWM Units1
      ADC Channels6
      Typical Operating Supply Voltage1.8 → 5.5 V
      Number of Timers3
      Pulse Width Modulation1 (6 x 8 bit)
      Number of ADC Units1
      Maximum Operating Temperature+85 °C
      PWM Channels6
      Instruction Set ArchitectureRISC
      PWM Resolution8bit
      Dimensions34.79 x 7.49 x 4.07mm
      Program Memory TypeFlash
      Timer Resolution8 bit, 16 bit
      ADCs1 (6 x 10 bit)
      Timers1 (1 x 16 bit), 2 (1 x 8 bit)
      Minimum Operating Temperature-40 °C
      ADC Resolution10bit
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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. 922-2142P
        Description Microchip ATMEGA328P-PU, 8bit AVR CPU Microcontroller, 20MHz, 32 kB Flash, 28-Pin PDIP
        Manufacturer/Brand: Microchip
        Mfr. Part No. ATMEGA328P-PU
        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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