ATMEGA328 Original Microcontroller DIP-28
Review: 5 - "A masterpiece of literature" by John Doe, written onMay 4, 20020
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ATMEGA328 Microcontroller With Arduino Bootloded
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ATMEGA328 Original Microcontroller DIP-28

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  • Product SKU: KG237
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Specification

Description

The ATmega328 is a popular microcontroller chip manufactured by Atmel, now a part of Microchip Technology. It is commonly used in various electronic projects and is the core microcontroller in the Arduino Uno board.

Here are some key features of the ATmega328 microcontroller in DIP-28 (Dual Inline Package with 28 pins) configuration:

Architecture: The ATmega328 is based on the Modified Harvard Architecture, featuring an 8-bit RISC (Reduced Instruction Set Computing) CPU.

Flash Memory: It has 32 KB of Flash program memory for storing the user's program.

SRAM: The microcontroller has 2 KB of SRAM (Static Random-Access Memory) for data storage during program execution.

EEPROM: It includes 1 KB of EEPROM (Electrically Erasable Programmable Read-Only Memory) for non-volatile data storage.

Clock Speed: The typical clock speed is 16 MHz, although it can operate at lower frequencies as well.

I/O Pins: There are 23 General-Purpose I/O (GPIO) pins that can be used for digital input/output or various communication protocols.

Analog Inputs: It features 6 analog inputs for analog-to-digital conversion.

Communication Interfaces: It supports serial communication through USART, SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit).

Timers and Counters: The ATmega328 includes several timers/counters for various timing and PWM (Pulse Width Modulation) applications.

Power Supply: It operates at a voltage range of 1.8V to 5.5V, making it versatile for different power supply scenarios.

Programming:

The microcontroller is programmable through various methods, including in-circuit programming using ISP (In-System Programming) or a bootloader.

Features

  • High Performance, Low Power Design
  • 8-Bit Microcontroller Atmel® AVR® advanced RISC architecture
  • 131 Instructions most of which are executed in a single clock cycle
  • Up to 20 MIPS throughput at 20 MHz
  • 32 x 8 working registers
  • 2 cycle multiplier

Memory Includes

  • 32KB of programmable FLASH
  • 1KB of EEPROM
  • 2KB SRAM
  • 10,000 Write and Erase Cycles for Flash and 100,000 for EEPROM
  • Data retention for 20 years at 85°C and 100 years at 25°C
  • Optional bootloader with lock bits
  • In System Programming (ISP) via bootloader
  • True Read-While-Write operation
  • Programming lock available for software security

I/O and Package

  • 23 programmable I/O lines
  • 28-pin PDIP package

Speed Grades

  • 0-4 MHz at 1.8-5.5V
  • 0-10 MHz at 2.7-5.5V
  • 0-20 MHz at 4.5-5.5V

Low Power Consumption Mode at 1.8V, 1 MHz and 25°C

  • Active Mode: 0.3 mA
  • Power-down Mode: 0.1 μA
  • Power-save Mode: 0.8 μA (Including 32 kHz RTC)

Technical Details

  • No. of I/Os : 23
  • No. of Timers/Counters: 3 Timer
  • Product Type: 8-bit Microcontrollers – MCU
  • Mounting Type: Through Hole
  • Product Series: ATmega328P
  • Maximum Clock Frequency (MHz): 20
  • Data Bus Width: 8 bit
  • Interface Type: I2C, SPI, USART
  • Program Memory Size (kB): 32M
  • Data RAM Size and Type: 2kB SRAM
  • Data ROM Size and Type: 1024 B EEPROM
  • Operating Temperature (°C): -24 to 84

Physical Attributes

  • Length × Width × Height(mm) : 34.8 x 7.5 x 4.57
  • Weight (gm) : 3

Product Video

Documentation

Package Includes

  • 1 x ATMEGA328 Original Microcontroller DIP-28

Customer Reviews

Based on 5 reviews
80%
(4)
20%
(1)
0%
(0)
0%
(0)
0%
(0)
a
anshu
These are great, I'm glad I jumped into them

 I originally only programmed tiny microprocessors. I was inspired by 'Make: AVR Programming' by Elliot Williams to give the atmega328p a try. The chip worked great. The included sockets are a nice bonus.If you search instructables for cscientific, you should find one for building the programming board and one for building the prototype including source code for programming the atmega.

a
aryan shrma
Holders had broken pins. Great atmega. Will buy again

Holders had broken pins. Great atmega. Will buy again. Always have had issues with chips with pre loaded bootloader. These were flawless.

j
jahagir khan
Exactly as described

They're exactly what they say to be and appear to be genuine. If you're building your own PCB prototypes these socketed versions save so much time.

r
ravinder
Good chips.

The price is good, parts are good. I’m not sure about boot loader. I use my IDE boot. I bought 2sets, all good.

R
R. Marks
Came with blink sketch

I assume this product works perfectly. I had a bad arduino Uno board and thought a chip was to blame, but it's something else.