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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 54
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 64-QFN (9x9)
Package / Case 64-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA649P-MU from Microchip is an 8-bit AVR microcontroller with 64KB flash and 4KB SRAM. It operates at up to 16MHz with a wide voltage range of 1.8V to 5.5V. This device features an integrated LCD controller, making it ideal for display-centric applications. The 64-VFQFN package is space-efficient for compact PCB layouts. It includes essential safety features like brown-out detection and watchdog timer.

  • Integrated LCD driver simplifies display designs.
  • Wide operating voltage (1.8V-5.5V) for versatile power sources.
  • Low-power AVR core extends battery life.
  • 64KB flash provides ample code storage.
  • Compact VFQFN package saves board space.

Metering Applications

Integrated LCD driver and low power consumption make it perfect for utility meters.

Battery-Powered Devices

Wide voltage range (1.8V-5.5V) and low-power modes extend battery life.

Industrial Displays

64KB flash and LCD support enable local display panels with control logic.

Automotive Aftermarket

Robust I/O and PWM features suit dashboard instrumentation.

Home Appliances

Reliable operation with BOD and WDT for washing machines and microwaves.

Portable Instruments

Compact 64-VFQFN package and low pin count simplify handheld designs.

Q: What is the core architecture of ATMEGA649P-MU?
A: It uses the 8-bit AVR core.
Q: What is the maximum speed?
A: It runs at up to 16MHz.
Q: Does it have an LCD driver?
A: Yes, it includes an LCD controller.
Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.
Base Product Number : ATMEGA649P
16MHz 4KB RAM 64KB Flash 8-bit MCU ATMEGA649P-MU AVR Industrial LCD Metering VFQFN-64
Q: What is the core architecture of ATMEGA649P-MU?
A: It uses the 8-bit AVR core.
Q: What is the maximum speed?
A: It runs at up to 16MHz.
Q: Does it have an LCD driver?
A: Yes, it includes an LCD controller.
Q: What is the operating voltage range?
A: It operates from 1.8V to 5.5V.