ATMEGA324PB-MU The ATMEGA324PB-MU is an 8-bit AVR microcontroller with 32KB Flash memory, 2KB RAM, and 1KB EEPROM. It operates at up to 20 MHz and features 39 I/O lines, I2C/SPI/UART connectivity, and an internal oscillator.
Mfr Part #:

ATMEGA324PB-MU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA324PB-MU is an 8-bit AVR microcontroller with 32KB Flash memory, 2KB RAM, and 1KB EEPROM. It operates at up to 20 MHz and features 39 I/O lines, I2C/SPI/UART connectivity, and an internal oscillator.
✓ Total Stock: 4,349 pcs

ATMEGA324PB-MU Available from 1 distributor

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ATMEGA324PB-MU 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
SVHC Present
Speed
Supplier Device Package
Voltage

ATMEGA324PB-MU Description

Short technical summary and product information.

The ATMEGA324PB-MU is an 8-bit AVR microcontroller from Microchip Technology, featuring 32KB of Flash program memory, 2KB of SRAM, and 1KB of EEPROM. It operates at a maximum speed of 20 MHz and supports a wide supply voltage range of 1.8V to 5.5V. The device includes 39 general-purpose I/O pins, along with peripherals such as brown-out detect/reset, power-on reset, PWM, and watchdog timer. Connectivity options include I2C, SPI, and UART/USART interfaces. An internal oscillator is provided, eliminating the need for external clock components in many applications.

 

The microcontroller integrates an 8-channel 10-bit analog-to-digital converter (ADC) for analog signal acquisition. It is designed for general-purpose embedded control applications, suitable for industrial, automotive, and consumer electronics. The operating temperature range is -40°C to 85°C, ensuring reliable performance in harsh environments.

 

The ATMEGA324PB-MU is offered in a 44-VFQFN exposed pad package (44-VQFN, 7x7 mm) and is surface-mount compatible. The package facilitates efficient heat dissipation and compact PCB layout. The device is stated to be RoHS3 compliant, MSL level 1, and REACH unaffected, but these values are unverified and should be confirmed from the manufacturer datasheet.

ATMEGA324PB-MU Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATMEGA324PB-MU
Subcategory: 8-bit Microcontroller

ATMEGA324PB-MU Compliance

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

ATMEGA324PB-MU Features

  • 8-bit AVR core with 32KB Flash memory.
  • Operates at up to 20 MHz clock speed.
  • 39 general-purpose I/O pins with multiple interfaces.
  • Supports 1.8V to 5.5V supply voltage range.
  • Includes internal oscillator and 8-channel 10-bit ADC.

ATMEGA324PB-MU Applications

  • Ideal for embedded control in industrial automation.
  • Used in sensor interfacing with onboard ADC.
  • Suitable for communication protocols via I2C, SPI, UART.
  • Applicable in low-power battery-operated devices.
  • Can be used in motor control with PWM outputs.

ATMEGA324PB-MU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA324PB-MU?

The operating voltage range is 1.8V to 5.5V.

What package does the ATMEGA324PB-MU come in?

The package is 44-VFQFN exposed pad (44-VQFN, 7x7 mm).

What is the operating temperature range of the ATMEGA324PB-MU?

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

Is the ATMEGA324PB-MU RoHS compliant?

The device is listed as RoHS3 compliant, but this has not been verified. Verify from the manufacturer datasheet.

What is the core processor and size of the ATMEGA324PB-MU?

The core processor is AVR with 8-bit core size.

What is the maximum clock speed of the ATMEGA324PB-MU?

The maximum clock speed is 20 MHz.

How much program memory does the ATMEGA324PB-MU have?

It has 32KB of Flash program memory (16K x 16).

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