ATMEGA328P-AN The ATMEGA328P-AN is an 8-bit AVR microcontroller with 32KB Flash memory, 2KB SRAM, and 1KB EEPROM. It operates at up to 20MHz and features I2C, SPI, and UART connectivity.
Mfr Part #:

ATMEGA328P-AN

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA328P-AN is an 8-bit AVR microcontroller with 32KB Flash memory, 2KB SRAM, and 1KB EEPROM. It operates at up to 20MHz and features I2C, SPI, and UART connectivity.
✓ Total Stock: 1,200 pcs

ATMEGA328P-AN Available from 1 distributor

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1,200 pcs
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ATMEGA328P-AN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage

ATMEGA328P-AN Description

Short technical summary and product information.

The ATMEGA328P-AN is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. It features 32KB of in-system self-programmable Flash memory, 2KB SRAM, and 1KB EEPROM with high endurance (10,000 write/erase cycles for Flash, 100,000 for EEPROM). The device operates at a maximum clock frequency of 20MHz, delivering up to 20 MIPS throughput.

 

This microcontroller includes a rich set of peripherals: two 8-bit timers, one 16-bit timer, six PWM channels, an 8-channel 10-bit ADC, and serial interfaces including USART, SPI, and I2C. It also features brown-out detection, power-on reset, and a watchdog timer. The operating voltage range is 1.8V to 5.5V, and the temperature range is -40°C to 105°C, making it suitable for industrial and automotive environments.

 

The device is available in a 32-TQFP surface mount package (7x7mm) with 23 I/O pins. It supports QTouch capacitive touch sensing and has an internal oscillator. The AVR core executes most instructions in a single clock cycle, optimizing power consumption versus processing speed.

ATMEGA328P-AN Quick Information

Product Type: Microcontroller
Series: ATmega328P
Canonical Name: ATMEGA328P-AN
Subcategory: 8-bit Microcontroller

ATMEGA328P-AN Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

ATMEGA328P-AN Features

  • 8-bit AVR core with 20MHz maximum speed.
  • 32KB in-system self-programmable Flash memory.
  • 2KB SRAM and 1KB EEPROM on-chip.
  • Wide operating voltage range 1.8V to 5.5V.
  • Surface mount 32-TQFP package.

ATMEGA328P-AN Applications

  • Ideal for embedded control and automation.
  • Used in sensor interfacing and data logging.
  • Suitable for low-power battery-operated devices.
  • Applicable in motor control and PWM applications.

ATMEGA328P-AN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA328P-AN?

The operating voltage range is 1.8V to 5.5V.

What package does the ATMEGA328P-AN come in?

It comes in a 32-TQFP surface mount package (7x7mm).

What is the operating temperature range of the ATMEGA328P-AN?

The operating temperature range is -40°C to 105°C.

Is the ATMEGA328P-AN RoHS compliant?

The part is listed as RoHS3 compliant, but this data is unverified and has low confidence.

How much program memory does the ATMEGA328P-AN have?

It has 32KB of Flash program memory.

What connectivity interfaces does the ATMEGA328P-AN support?

It supports I2C, SPI, and UART/USART.

What is the maximum clock frequency of the ATMEGA328P-AN?

The maximum clock frequency is 20MHz.

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