ATMEGA324P-20AU The ATMEGA324P-20AU is an 8-bit AVR microcontroller from Atmel with 32KB of Flash memory, 2KB SRAM, and a 20MHz clock speed. It is housed in a 44-TQFP surface-mount package.
Mfr Part #:

ATMEGA324P-20AU

Available from 2 distributors
Mfr Name: Atmel
Atmel
The ATMEGA324P-20AU is an 8-bit AVR microcontroller from Atmel with 32KB of Flash memory, 2KB SRAM, and a 20MHz clock speed. It is housed in a 44-TQFP surface-mount package.
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ATMEGA324P-20AU Available from 2 distributors

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ATMEGA324P-20AU 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

ATMEGA324P-20AU Description

Short technical summary and product information.

The ATMEGA324P-20AU is an 8-bit AVR microcontroller from Atmel, based on the enhanced RISC architecture. It features 32KB of in-system self-programmable Flash memory, 2KB of internal SRAM, and 1KB of EEPROM. The device operates at a maximum speed of 20MHz, delivering up to 20 MIPS throughput.

 

This microcontroller includes a rich set of peripherals: two 8-bit timer/counters, one 16-bit timer/counter, six PWM channels, an 8-channel 10-bit ADC, and a real-time counter. Connectivity options include I2C, SPI, and two USART interfaces. It also features a JTAG interface for boundary-scan and on-chip debug.

 

The device is supplied in a 44-TQFP (10x10mm) surface-mount package and operates over a supply voltage range of 2.7V to 5.5V. It is designed for industrial temperature ranges from -40°C to 85°C.

ATMEGA324P-20AU Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATmega324P-20AU 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontroller

ATMEGA324P-20AU Compliance

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

ATMEGA324P-20AU Features

  • 8-bit AVR core with 20MHz maximum speed.
  • 32KB Flash program memory and 2KB SRAM.
  • 8-channel 10-bit analog-to-digital converter.
  • I2C, SPI, and dual USART serial interfaces.
  • Surface-mount 44-TQFP package (10x10mm).

ATMEGA324P-20AU Applications

  • Suitable for industrial control and automation systems.
  • Used in sensor interfacing and data acquisition.
  • Ideal for embedded motor control applications.
  • Applicable in consumer electronics and IoT devices.

ATMEGA324P-20AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the ATMEGA324P-20AU?

The operating temperature range is -40°C to 85°C.

What is the supply voltage range for this microcontroller?

The supply voltage range is 2.7V to 5.5V.

What package type does the ATMEGA324P-20AU use?

It uses a 44-TQFP surface-mount package with dimensions 10x10mm.

How much Flash memory does the ATMEGA324P-20AU have?

It has 32KB of Flash program memory.

What connectivity interfaces are available on this microcontroller?

It supports I2C, SPI, and UART/USART interfaces.

Does the ATMEGA324P-20AU have an internal oscillator?

Yes, it has an internal oscillator.

What is the maximum clock speed of the ATMEGA324P-20AU?

The maximum clock speed is 20MHz.

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