Atmel ATmega328P-U

STOCK NOTE: Currently out of stock with suppliers. Estimated availability Oct 2022

This is the Atmel ATmega328P chip used in many hobby projects and the basis of the Arduino Uno.

Note: This chip DOES NOT have the Arduino Bootloader installed. If you want an ATmega328P with the Arduino bootloader installed click here

The high-performance Atmel picoPower 8-bit AVR RISC-based microcontroller combines 32KB ISP flash memory with read-while-write capabilities, 1024B EEPROM, 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, a 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.

Documents

ATmega328P Datasheet