Microchip Technology ATMEGA3290-16AU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® ATmega
Packaging Tray |
Core Processor AVR
Core Size 8-Bit
Speed 16MHz
Connectivity SPI, UART/USART, USI
Peripherals Brown-out Detect/Reset, LCD, 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 Microchip ATMEGA3290-16AU is an 8-bit AVR microcontroller operating at 16MHz, providing higher throughput than its low-power sibling. It features 32KB flash and 2KB RAM, with an integrated LCD controller for direct display driving. Operating from 2.7V to 5.5V, it is compatible with standard logic levels. The 100-TQFP package offers extensive I/O for complex applications.

  • Higher Speed: 16MHz enables faster data processing and display refresh.
  • Integrated LCD: Reduces external components and simplifies design.
  • 5V Compatibility: Direct interface with legacy 5V sensors and logic.
  • Large I/O Count: 100 pins support many peripherals.
  • Mature Ecosystem: Extensive AVR libraries and tools accelerate development.

High-Speed Industrial Displays

16MHz clock enables faster screen updates for production line status panels.

Automotive Dashboard Clusters

With 5V operation and LCD, it can drive simple gauge clusters in vehicles.

Point-of-Sale Terminals

Faster processing improves user interface responsiveness for payment devices.

Medical Device Interfaces

Reliable operation and LCD make it suitable for patient monitors with numeric displays.

Smart Energy Meters

16MHz allows real-time power calculation and LCD readout of consumption.

Consumer Electronics

Ideal for microwave ovens or washing machines with display and control buttons.

Q: What is the maximum speed?
A: It runs at 16MHz, double the speed of the -8AU variant, for faster processing.
Q: What voltage range is supported?
A: It operates from 2.7V to 5.5V, suitable for 3.3V and 5V systems.
Q: How much flash and RAM?
A: It has 32KB flash and 2KB RAM, same as the -8AU version.
Q: Does it have an LCD controller?
A: Yes, it includes an integrated LCD driver for direct segment control.
Q: What package is it?
A: It comes in a 100-TQFP package.
Base Product Number : ATMEGA3290
100-TQFP 16MHz 2KB RAM 32KB Flash 5V 8-bit MCU AVR LCD controller Microchip
Q: What is the maximum speed?
A: It runs at 16MHz, double the speed of the -8AU variant, for faster processing.
Q: What voltage range is supported?
A: It operates from 2.7V to 5.5V, suitable for 3.3V and 5V systems.
Q: How much flash and RAM?
A: It has 32KB flash and 2KB RAM, same as the -8AU version.
Q: Does it have an LCD controller?
A: Yes, it includes an integrated LCD driver for direct segment control.
Q: What package is it?
A: It comes in a 100-TQFP package.