ATMEGA328-PU Effecient Microcontrollers: Pinout, Features, and ATMEGA328-PU vs ATMEGA328P-AU

32KB 16K x 16 FLASH AVR 8-Bit Microcontroller AVR® ATmega Series ATMEGA328 28 Pin 20MHz 5V 28-DIP (0.300, 7.62mm)

This article will include its pinout, features, datasheet and more detailed information about the difference between ATMEGA328-PU and ATMEGA328P-AU.

Catalog

ATMEGA328-PU Pinout

ATMEGA328-PU CAD Model

ATMEGA328-PU Overiew

ATMEGA328-PU Features

ATMEGA328 PU Alternatives

Atmega328-PU vs ATMEGA328P-AU

ATMEGA328-PU Block Diagram

ATMEGA328-PU Package

Datasheet PDF

Specifications

ATMEGA328-PU Pinout

ATMEGA328-PU CAD models:

Simbol

Footprint 

3D-Model

ATMEGA328-PU Overview 

The ATMEGA328-PU is an efficient microcontroller with a low power consumption. It operates on a 8-bit CMOS technology and utilizes the AVR-enhanced RISC architecture. With its ability to execute instructions in a single clock cycle, it achieves a throughput of nearly 1MIPS per MHz. This feature empowers system designers to strike a balance between power consumption and processing speed in their designs.

ATMEGA328-PU Features

131 efficient instructions, most single clock cycle execution

32 x 8 general-purpose working registers

cmpletely static operation

Up to 20MIPS throughput at 20MHz

On-chip 2-cycle multiplier

Write/erase cycles: 10,000 flash/100,000 EEPROM

Optional boot code section with independent lock bits

In system programming by an on-chip boot program

Real reading while writing operation

Programming lock for software security

Capacitive touch buttons, sliders and wheels

Up to 64 sense channels

Two 8bit timer/counters with separate Prescaler and compare mode

One 16-bit timer/counter with separate Prescaler, compare mode, and capture mode

Real-time counter with separate oscillator

Six PWM channels

Programmable serial USART

Serial peripheral interface (SPI)

The AVR core combines a rich instruction set with 32 general-purpose working registers. All 32 registers are directly connected to the Arithmetic Logic Unit (ALU), allowing two independent registers to be accessed in one single instruction executed in one clock cycle. The resulting architecture is more code efficient while achieving throughputs up to ten times faster than conventional CISC microcontrollers.

The Alternate Parts for ATMEGA328-PU

ATMEGA328-MUR

ATMEGA328-MMHR

ATMEGA328-AU

Atmega328-PU vs ATMEGA328P-AU:

Atmega328-PU:The ATMEGA328-PU is a microcontroller based on the AVR-enhanced RISC architecture, offering low-power functionality. It operates at a speed of up to 1MIPS per MHz by efficiently executing instructions in a single clock cycle. This enables system designers to balance power consumption and processing speed to achieve optimal performance.

ATMEGA328P-AU:This program has a type of memory called FLASH for this MCU's program memory. Temperatures in this range are operated by this Microcontroller. AVR® ATmega-series components are electrical components. Having a size of 32KB 16K x 16, Microcontroller has a program memory of X bytes. There's a AVR Core Processor inside. This Microcontroller belongs to the MICROCONTROLLER, RISC uPs/uCs/peripheral ICs type. There are 32 terminations on the IC chip, which means there are 32 terminations on the integrated circuit chip. You get a 8-bit size. The MCU chip's supply output is 5V volts. MCU chip has NO DMA channels. The part has a memory size of 32kB. ATMEGA328P is the base part number that you can use to find alternatives. In the case of 20MHz frequency operation, it can perform efficiently. On the chip, there are 32 pins that can be accessed. A total of 3 timers/counters are included in the package. It consists of 8 channels in total for the ADC. This device comes with a set of 1 A/D converters that have been built into it. As far as the PWM channel count is concerned, the device makes use of 6 channels.

But what is the difference between ATMega328P-PU and 328P-AU?

Here is the answer: The names of the parts have different suffixes (-AU and -PU) to indicate different packaging options. The -AU suffix corresponds to a surface-mount package, while the -PU suffix refers to a chip that is compatible with a breadboard. In simpler terms, the -AU part can be soldered onto a circuit board, while the -PU part is designed to be easily used on a breadboard.

In terms of functionality, there is very little difference between the two. The 32A package has pins for ADC6 and ADC7, which are not present in the 28P3 package. However, besides this distinction, both packages are essentially the same. It is important to note that these additional pins are only used for Analog-to-Digital Converters and cannot be utilized for digital input/output on any specific port.

ATMEGA328-PU Block Diagram

ATMEGA328-PU Package

Datasheet PDF

Please DOWNLOAD the datasheets and manufacturer documentation for the ATMEGA328-PU.

Specifications

Retrieve the technical specifications, attributes, parameters, and identify comparable parts that possess similar specifications to the Microchip Technology ATMEGA328-PU microcontroller.