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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 8MHz
Connectivity I2C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 32
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 44-VQFN (7x7)
Package / Case 44-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATMEGA32L-8MU is an 8-bit AVR microcontroller from Microchip Technology, designed for low-power embedded control. It operates at 8MHz with a supply voltage range of 2.7V to 5.5V, featuring 32KB flash memory and 2KB SRAM. The 44-VFQFN package offers a compact footprint for space-limited designs. Integrated peripherals include PWM, WDT, and brown-out detection, ensuring reliable operation in industrial and consumer applications.

  • Low-power operation: 2.7V minimum supply voltage reduces energy consumption in battery devices.
  • Compact 44-VFQFN package: Saves PCB space for miniaturized designs.
  • Reliable reset mechanisms: Brown-out detect and POR prevent data corruption during voltage dips.
  • Wide temperature range: -40°C to 85°C supports harsh environments.

Battery-Powered Sensor Nodes

The 2.7V minimum supply voltage and 8MHz low-power AVR core enable extended battery life in wireless sensor networks.

Industrial Control Panels

With 32KB flash and 2KB SRAM, it handles complex control loops and HMI interfaces in 44-pin QFN packages for space-constrained panels.

Automotive Aftermarket Modules

Operating from -40°C to 85°C, it suits engine monitoring or lighting control modules requiring robust temperature tolerance.

Portable Medical Devices

The low-voltage operation and PWM outputs support precise motor control in insulin pumps or handheld diagnostic tools.

Smart Home Gateways

Its WDT and brown-out detection ensure reliable operation in always-on IoT hubs, managing multiple sensor inputs.

Educational Robotics Kits

The 44-VFQFN package and 32KB memory provide ample room for student projects requiring multiple peripherals.

Q: What is the operating voltage range of the ATMEGA32L-8MU?
A: The ATMEGA32L-8MU operates from 2.7V to 5.5V, making it suitable for battery-powered and low-voltage applications.
Q: What is the maximum clock speed?
A: The maximum clock speed is 8MHz, optimized for low-power operation.
Q: How much flash memory does it have?
A: It features 32KB of in-system programmable flash memory (16K x 16 bits).
Q: What package is available?
A: It comes in a 44-VFQFN exposed pad package, ideal for compact PCB designs.
Q: Does it include a watchdog timer?
A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detect/Reset and POR.
Base Product Number : ATMEGA32L
2KB SRAM 32KB Flash 8-bit MCU 8MHz ATMEGA32L AVR Industrial IoT Low Power PWM VFQFN-44 WDT
Q: What is the operating voltage range of the ATMEGA32L-8MU?
A: The ATMEGA32L-8MU operates from 2.7V to 5.5V, making it suitable for battery-powered and low-voltage applications.
Q: What is the maximum clock speed?
A: The maximum clock speed is 8MHz, optimized for low-power operation.
Q: How much flash memory does it have?
A: It features 32KB of in-system programmable flash memory (16K x 16 bits).
Q: What package is available?
A: It comes in a 44-VFQFN exposed pad package, ideal for compact PCB designs.
Q: Does it include a watchdog timer?
A: Yes, it includes a Watchdog Timer (WDT) along with Brown-out Detect/Reset and POR.