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ATMEGA328A - 8-bit Microcontroller

Download the ATMEGA328A datasheet PDF. This datasheet also covers the ATMEGA variant, as both devices belong to the same 8-bit microcontroller family and are provided as variant models within a single manufacturer datasheet.

Description

VCC Digital supply voltage.

GND Ground.

Port B (PB7:0) XTAL1/XTAL2/TOSC1/TOSC2 Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit).

Features

  • High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family Advanced RISC Architecture.
  • 131 Powerful Instructions.
  • Most Single Clock Cycle Execution.
  • 32 x 8 General Purpose Working Registers.
  • Fully Static Operation.
  • Up to 20 MIPS Throughput at 20MHz.
  • On-chip 2-cycle Multiplier High Endurance Non-volatile Memory Segments.
  • 4/8/16/32KBytes of In-System Self-Programmable Flash program memory.
  • 256/512/.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (ATMEGA-328A.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
ATmega328 CMOS 8-bit microcontroller Microchip
ATmega328P CMOS 8-bit microcontroller Microchip
ATmega328PB Microcontroller Microchip
ATmega328V 8-bit Microcontroller ATMEL Corporation
ATmega3208 Microcontrollers Microchip

Other Datasheets by Atmel (Microchip)

Part Number Description
ATmega328 8-bit AVR Microcontrollers
ATmega328P 8-bit Microcontroller
ATmega32 8-bit Microcontroller
ATmega323 8-bit Microcontroller
ATmega323L 8-bit Microcontroller

Full PDF Text Transcription

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Atmel 8-bit Microcontroller with 4/8/16/32KBytes InSystem Programmable Flash ATmega48A; ATmega48PA; ATmega88A; ATmega88PA; ATmega168A; ATmega168PA; ATmega328; ATmega328P SUMMARY Features • • High Performance, Low Power Atmel®AVR® 8-Bit Microcontroller Family Advanced RISC Architecture – 131 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Throughput at 20MHz – On-chip 2-cycle Multiplier High Endurance Non-volatile Memory Segments – 4/8/16/32KBytes of In-System Self-Programmable Flash program memory – 256/512/512/1KBytes EEPROM – 512/1K/1K/2KBytes Internal SRAM – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM – Data retention: 20 years at 85C/100 years at 25C(1) – Optional Boot Code Section with
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