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    Microchip ATMEGA328P-PU, 8bit AVR CPU Microcontroller, ATmega, 20MHz, 32 kB Flash, 28-Pin PDIP

    RS Stock No.:
    922-2142
    Mfr. Part No.:
    ATMEGA328P-PU
    Manufacturer:
    Microchip
    Microchip
    View all Microcontrollers
    Discontinued product

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    RS Stock No.:
    922-2142
    Mfr. Part No.:
    ATMEGA328P-PU
    Manufacturer:
    Microchip

    Product overview and Technical data sheets


    Legislation and Compliance


    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


    Specifications

    AttributeValue
    Family NameATmega
    Package TypePDIP
    Mounting TypeThrough Hole
    Pin Count28
    Device CoreAVR CPU
    Data Bus Width8bit
    Program Memory Size32 kB
    Maximum Frequency20MHz
    RAM Size2 kB
    USB Channels0
    Number of PWM Units1
    Typical Operating Supply Voltage1.8 → 5.5 V
    Dimensions34.79 x 7.49 x 4.07mm
    Width7.49mm
    Height4.07mm
    ADCs1 (6 x 10 bit)
    Length34.79mm
    Maximum Operating Temperature+85 °C
    Number of ADC Units1
    Maximum Number of Ethernet Channels0
    Program Memory TypeFlash
    Pulse Width Modulation1 (6 x 8 bit)
    Instruction Set ArchitectureRISC
    Minimum Operating Temperature-40 °C
    Discontinued product

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    This product is not currently available. Here is our alternative recommendation.