Microchip Technology ATMEGA3250-16AUR

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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 16MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 69
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) 2.7V ~ 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 100-TQFP (14x14)
Package / Case 100-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA3250-16AUR from Microchip is a versatile 8-bit AVR microcontroller with 32KB flash and 2KB RAM. Operating at up to 16MHz, it provides a balanced performance for cost-sensitive applications. Its supply voltage range of 2.7V to 5.5V ensures compatibility with both 3.3V and 5V logic. The 100-TQFP package offers abundant I/O pins, making it suitable for complex interfacing. With features like brown-out detect, POR, PWM, and WDT, it delivers reliable operation in industrial and consumer environments.

  • Wide Voltage Range (2.7V-5.5V): Simplifies power supply design, supporting both 3.3V and 5V systems.
  • High I/O Count (100-TQFP): Provides ample pins for parallel interfaces and multiple peripherals.
  • Low Power Consumption: Ideal for battery-powered devices with sleep modes.
  • Mature AVR Architecture: Extensive documentation and community support reduce development time.
  • Robust Protection: Includes brown-out detect and watchdog timer for fail-safe operation.

Industrial Automation

The 100-pin package provides many I/O lines for controlling sensors and actuators. Its 16MHz speed and 32KB flash handle moderate complexity logic.

Home Appliances

With 2.7V-5.5V operation, it interfaces directly with relays and displays. The PWM outputs control motor speeds in washing machines and fans.

Medical Monitoring Devices

Low power consumption and wide voltage range suit battery-operated patient monitors. The AVR core is easy to program for reliable data logging.

Building Automation

Multiple UARTs and I2C interfaces connect to sensors and communication modules. The 100-TQFP package allows compact PCB layouts for HVAC controllers.

Test and Measurement

High I/O count enables parallel data acquisition. The brown-out detect and WDT ensure stable operation in lab equipment.

Educational Kits

Its simplicity and large pin count make it ideal for teaching embedded systems. The 5V compatibility simplifies breadboard prototyping.

Q: What is the core of ATMEGA3250-16AUR?
A: It uses an 8-bit AVR core running at up to 16MHz.
Q: What is the supply voltage range?
A: It operates from 2.7V to 5.5V, compatible with 3.3V and 5V systems.
Q: How much flash and RAM does it have?
A: It has 32KB flash (16K x 16) and 2KB RAM.
Q: What package is available?
A: It comes in a 100-TQFP package, operating from -40°C to 85°C.
Base Product Number : ATMEGA3250
100-TQFP 16MHz 2KB RAM 32KB Flash 8-bit MCU AVR consumer industrial low power PWM
Q: What is the core of ATMEGA3250-16AUR?
A: It uses an 8-bit AVR core running at up to 16MHz.
Q: What is the supply voltage range?
A: It operates from 2.7V to 5.5V, compatible with 3.3V and 5V systems.
Q: How much flash and RAM does it have?
A: It has 32KB flash (16K x 16) and 2KB RAM.
Q: What package is available?
A: It comes in a 100-TQFP package, operating from -40°C to 85°C.