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ATMEGA324P-20PU

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ATMEGA324P-20PU

IC MCU 8BIT 32KB FLASH 40DIP

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology's AVR® ATmega microcontroller, part number ATMEGA324P-20PU, features an 8-bit AVR core operating at 20MHz. This device offers 32KB of FLASH program memory with a 16K x 16 organization and 2KB of RAM. On-chip peripherals include A/D converters with 8x10-bit channels, I2C, SPI, and UART/USART communication interfaces. Additional features include Brown-out Detect/Reset, POR, PWM, and WDT capabilities. The microcontroller has 32 general-purpose I/O pins and 1KB of EEPROM. It operates from a voltage supply range of 2.7V to 5.5V and is packaged in a 40-PDIP (0.600" width) for through-hole mounting. The operating temperature range is -40°C to 85°C. This component is commonly utilized in industrial automation, consumer electronics, and automotive applications.

Additional Information

Series: AVR® ATmegaRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDatasheet:
Technical Details:
PackagingTube
Package / Case40-DIP (0.600"", 15.24mm)
Mounting TypeThrough Hole
Speed20MHz
Program Memory Size32KB (16K x 16)
RAM Size2K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size1K x 8
Core ProcessorAVR
Data ConvertersA/D 8x10b
Core Size8-Bit
Voltage - Supply (Vcc/Vdd)2.7V ~ 5.5V
ConnectivityI2C, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
Supplier Device Package40-PDIP
Number of I/O32
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.

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