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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 CANbus, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number of I/O -
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) 2.7V ~ 5.5V
Data Converters A/D 11x10b; D/A 1x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-VQFN (5x5)
Package / Case 32-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATMEGA64M1-MU is an 8-bit AVR microcontroller in a compact 32-VFQFN package. It operates at up to 16MHz with 64KB flash and 4KB SRAM, supporting 2.7V to 5.5V supply. Built-in features include a temperature sensor, PWM, watchdog timer, and brown-out detection, making it suitable for automotive and motor control applications.

  • Integrated Temperature Sensor: Eliminates external sensor, reducing BOM and PCB area.
  • Motor Control PWM: Dedicated PWM channels simplify BLDC and AC motor drive designs.
  • Compact QFN Package: 32-pin VFQFN with exposed pad improves heat dissipation.
  • Automotive-Ready: Wide voltage range and WDT enhance reliability in harsh environments.

Automotive LIN Nodes

The integrated LIN controller and 16MHz AVR core make it ideal for automotive body electronics like window lifts and mirror controls.

DC-DC Converter Control

High-resolution PWM and internal analog comparators enable precise voltage regulation in power supply designs.

Brushless DC Motor Drives

With dedicated motor control PWM and 4KB SRAM, it handles sensorless BLDC motor commutation in fans and pumps.

Battery Management Systems

The internal temperature sensor and ADC support cell voltage monitoring and thermal protection in BMS units.

Industrial Actuators

Robust 2.7V-5.5V operation and WDT ensure reliable control of valves and solenoids in factory automation.

Smart Lighting

PWM outputs and temperature sensing enable intelligent LED dimming with thermal foldback in lighting fixtures.

Q: What is the operating voltage range of the ATMEGA64M1-MU?
A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
Q: What is the maximum speed?
A: The AVR core runs at up to 16MHz.
Q: Does this MCU have a temperature sensor?
A: Yes, it includes an internal temperature sensor along with PWM, WDT, and brown-out detection.
Q: What package is available?
A: It comes in a 32-pin VFQFN package with exposed pad for improved thermal performance.
Base Product Number : ATMEGA64M1
16MHz 64KB Flash 8-bit MCU ATmega64M1 AVR LIN Motor Control Temperature Sensor VFQFN-32
Q: What is the operating voltage range of the ATMEGA64M1-MU?
A: It operates from 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.
Q: What is the maximum speed?
A: The AVR core runs at up to 16MHz.
Q: Does this MCU have a temperature sensor?
A: Yes, it includes an internal temperature sensor along with PWM, WDT, and brown-out detection.
Q: What package is available?
A: It comes in a 32-pin VFQFN package with exposed pad for improved thermal performance.