Microchip Technology ATMEGA329PA-MUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor AVR
Core Size 8-Bit
Speed 20MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number of I/O 54
Program Memory Size 32KB (16K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V
Data Converters A/D 8x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-QFN (9x9)
Package / Case 64-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA329PA-MUR from Microchip Technology is a versatile 8-bit AVR microcontroller featuring an integrated LCD controller, making it an excellent choice for display-centric applications. Operating at up to 20MHz, it delivers efficient performance for a wide range of tasks. With a supply voltage range of 1.8V to 5.5V, it supports both low-power and standard 5V systems. The device includes 32KB of flash memory and 2KB of RAM, providing ample space for application code. Its 64-VFQFN package is compact and suitable for space-constrained designs, while features like Brown-out Detect/Reset, POR, PWM, and WDT ensure robust operation in demanding environments.

  • Integrated LCD Controller: Eliminates the need for external display drivers, reducing BOM cost and PCB area.
  • Ultra-Low Power Operation: Operates down to 1.8V, extending battery life in portable devices.
  • High Code Efficiency: AVR architecture executes most instructions in a single clock cycle, maximizing throughput.
  • Rich Peripheral Set: Includes PWM, WDT, and Brown-out detection for reliable and flexible system design.
  • Compact Package: 64-VFQFN allows for miniaturized product designs without sacrificing functionality.

Portable Instrumentation

The integrated LCD controller and low-voltage operation (1.8V) make it perfect for handheld multimeters, thermometers, and other battery-powered measurement tools.

Smart Meters

With its LCD display capability and low power consumption, it is ideal for utility meters that need to show readings and operate for years on a single battery.

Medical Devices

Its reliable operation and wide voltage range support glucose monitors, blood pressure cuffs, and other portable health devices with clear displays.

Home Automation Panels

The LCD interface and PWM allow for creating user-friendly control panels for lighting, HVAC, and security systems.

Industrial Displays

It can drive alphanumeric or graphical LCDs in industrial equipment, showing status, diagnostics, and process parameters.

Wearable Electronics

Low power consumption and small VFQFN package enable compact wearable devices like fitness trackers and smart watches with simple displays.

Q: What is the core of the ATMEGA329PA-MUR?
A: It uses the AVR core, a well-known 8-bit RISC architecture with high code efficiency.
Q: What is the maximum operating frequency?
A: It operates at up to 20MHz, providing fast execution for 8-bit applications.
Q: What is the supply voltage range?
A: The voltage range is 1.8V to 5.5V, supporting low-power and battery-operated designs.
Q: Does it have an LCD controller?
A: Yes, it includes an integrated LCD controller, making it ideal for display applications.
Q: How much memory does it have?
A: It has 32KB of flash memory and 2KB of RAM.
Base Product Number : ATMEGA329PA
20MHz 2KB RAM 32KB Flash 8-bit MCU AVR core LCD controller Low Power Medical Portable VFQFN-64
Q: What is the core of the ATMEGA329PA-MUR?
A: It uses the AVR core, a well-known 8-bit RISC architecture with high code efficiency.
Q: What is the maximum operating frequency?
A: It operates at up to 20MHz, providing fast execution for 8-bit applications.
Q: What is the supply voltage range?
A: The voltage range is 1.8V to 5.5V, supporting low-power and battery-operated designs.
Q: Does it have an LCD controller?
A: Yes, it includes an integrated LCD controller, making it ideal for display applications.
Q: How much memory does it have?
A: It has 32KB of flash memory and 2KB of RAM.