ATMEGA328P AVR Chip, Arduino UNO [Bootloader]




The high-performance Atmel 8-bit AVR RISC-based microcontroller combines:

  • 32KB ISP flash memory with read-while-write capabilities
  • 2KB SRAM
  • 23 general purpose I/O lines
  • 32 general purpose working registers
  • three flexible timer/counters with compare modes
  • internal and external interrupts
  • serial programmable USART
  • a byte-oriented 2-wire serial interface
  • SPI serial port
  • 6-channel 10-bit A/D converter (8-channels in TQFP and QFN/MLF packages)
  • programmable watchdog timer with internal oscillator
  • and five software selectable power saving modes.
  • The device operates between 1.8-5.5 volts.


Find the product datasheet on this page.

Additional information

Weight N/A

Within Arduino Bootloader, Without Arduino Bootloader

3 reviews for ATMEGA328P AVR Chip, Arduino UNO [Bootloader]

  1. 5 out of 5

    liuferdinand (verified owner)

    I need an “Arduino” running at 20 MHz (ready-made board running on 16 MHz)… so using kits from ElectroDragon, I can make my own Arduino compatible board which running 25% faster 🙂

  2. 5 out of 5

    kremen (verified owner)

    a very useful and versatile micro controller… my goto chip for all projects..

  3. 5 out of 5

    thiagoas (verified owner)

    Great price and perfect quality.

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