Microchip Technology ATMEGA6450A-AU

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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, POR, PWM, WDT
Number of I/O 69
Program Memory Size 64KB (32K x 16)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 4K 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 100-TQFP (14x14)
Package / Case 100-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA6450A-AU is an 8-bit AVR microcontroller from Microchip Technology, operating at up to 20 MHz. It features 64KB flash and 4KB SRAM in a 100-TQFP package. With a wide 1.8V to 5.5V supply range and integrated brown-out detection, it is ideal for complex embedded systems requiring many I/O pins and reliable operation.

  • High I/O count: 100-TQFP package offers extensive GPIO for complex designs.
  • Wide voltage flexibility: 1.8V-5.5V supports both low-power and legacy 5V logic.
  • Large program memory: 64KB flash accommodates complex firmware.
  • Proven AVR architecture: Simple instruction set and rich ecosystem speed development.

Large-Scale Sensor Networks

100-pin package provides abundant I/O for connecting multiple sensors in agricultural or environmental monitoring systems.

Industrial Display Panels

64KB flash and 4KB RAM support graphical LCD interfaces with custom fonts and animations.

Smart Grid Meters

Wide voltage range and low power consumption enable reliable energy metering in residential and commercial settings.

Robotics Controllers

Multiple PWM channels and 20 MHz speed drive servo motors and stepper motors in educational robots.

Automotive Instrument Clusters

High pin count and robust WDT suit dashboard gauges and warning light controllers.

Home Automation Gateways

1.8V operation allows battery backup, while 5.5V tolerance interfaces with legacy 5V sensors.

Q: What is the core of ATMEGA6450A-AU?
A: It uses an 8-bit AVR core running at up to 20 MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: How much flash memory does it have?
A: It has 64KB of flash memory.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it have a brown-out detector?
A: Yes, it includes brown-out detect/reset and POR.
Base Product Number : ATMEGA6450A
20MHz 4KB RAM 64KB Flash 8-bit MCU ATMEGA6450A-AU AVR Display Industrial PWM Sensor Network TQFP-100
Q: What is the core of ATMEGA6450A-AU?
A: It uses an 8-bit AVR core running at up to 20 MHz.
Q: What is the supply voltage range?
A: It operates from 1.8V to 5.5V.
Q: How much flash memory does it have?
A: It has 64KB of flash memory.
Q: What package is available?
A: It comes in a 100-TQFP package.
Q: Does it have a brown-out detector?
A: Yes, it includes brown-out detect/reset and POR.