Microchip Technology ATMEGA3290P-20AU

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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 20MHz
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 ATMEGA3290P-20AU is an 8-bit AVR MCU from Microchip with a 20MHz core, 32KB flash, and 2KB RAM. It features an integrated LCD controller and operates from 2.7V to 5.5V. Housed in a 100-TQFP package, it is ideal for display-centric embedded systems.

  • Integrated LCD: Direct segment driving reduces external components.
  • Wide voltage range: 2.7V-5.5V for flexible power design.
  • Cost-effective: 8-bit AVR architecture lowers system cost.
  • Proven reliability: Brown-out detection and WDT included.

Metering Displays

Integrated LCD driver and 5V operation simplify utility meter design.

Industrial Panel Meters

20MHz AVR core with PWM handles display and control tasks.

Automotive Dashboards

Wide voltage range (2.7V-5.5V) tolerates vehicle power fluctuations.

Home Appliances

Low-cost 8-bit solution with LCD for user interfaces.

Portable Instruments

Low power consumption extends battery life in handheld meters.

HVAC Controllers

Robust I/O and WDT ensure reliable operation.

Q: What is the core type?
A: AVR 8-bit core at 20MHz.
Q: Does it have LCD support?
A: Yes, integrated LCD controller.
Q: What voltage does it need?
A: 2.7V to 5.5V.
Q: What package is this?
A: 100-TQFP.
Base Product Number : ATMEGA3290P-20AU
100-TQFP 20MHz 32KB flash ATmega automotive AVR 8-bit industrial LCD controller metering
Q: What is the core type?
A: AVR 8-bit core at 20MHz.
Q: Does it have LCD support?
A: Yes, integrated LCD controller.
Q: What voltage does it need?
A: 2.7V to 5.5V.
Q: What package is this?
A: 100-TQFP.