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ATMEGA32A-MU ATMEGA32A-MU is an 8-bit AVR microcontroller from Microchip Technology with 32KB Flash, 2KB SRAM, and 1KB EEPROM. It operates at up to 16MHz, with 32 I/O pins and a 2.7V-5.5V supply range in a 44-VQFN package.
Mfr Part #:

ATMEGA32A-MU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
ATMEGA32A-MU is an 8-bit AVR microcontroller from Microchip Technology with 32KB Flash, 2KB SRAM, and 1KB EEPROM. It operates at up to 16MHz, with 32 I/O pins and a 2.7V-5.5V supply range in a 44-VQFN package.
✓ Total Stock: 3,600 pcs

ATMEGA32A-MU Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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3,600 pcs
On Request
3600 pcs On Request 1 On Request On Request On Request On Request On Request
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ATMEGA32A-MU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
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Termination Style
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ATMEGA32A-MU Description

Short technical summary and product information.

ATMEGA32A-MU is an 8-bit AVR microcontroller from Microchip Technology. It features 32KB of in-system programmable Flash memory, 2KB SRAM, and 1KB EEPROM. The device operates at clock frequencies up to 16MHz, achieving throughput approaching one MIPS per MHz through its advanced RISC architecture.

 

This microcontroller includes 32 I/O pins, an 8-channel 10-bit ADC, four PWM channels, and three timer/counters. Connectivity options include I2C, SPI, and UART/USART interfaces. Additional peripherals such as brown-out detect/reset, power-on reset, and a watchdog timer support reliable system operation. The AVR 8-bit core uses an internal oscillator and accepts a supply voltage range of 2.7V to 5.5V.

 

The device is supplied in a 44-pin VQFN package with an exposed pad, designed for surface mount assembly. It operates over a temperature range of -40°C to +85°C. With its combination of memory, peripherals, and I/O capability, the ATMEGA32A-MU is suitable for embedded control applications requiring moderate memory and peripheral integration.

ATMEGA32A-MU Quick Information

Product Type: Microcontroller
Series: ATmega32A
Canonical Name: Microchip ATmega32A 8-bit AVR Microcontroller
Subcategory: MCU

ATMEGA32A-MU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATMEGA32A-MU Features

  • 8-bit AVR core with 16MHz maximum speed.
  • 32KB Flash and 2KB SRAM memory.
  • 8-channel 10-bit analog-to-digital converter.
  • I2C, SPI, and UART/USART serial interfaces.
  • 44-pin VQFN surface-mount package.

ATMEGA32A-MU Applications

  • Suitable for embedded control and monitoring systems.
  • Supports analog sensing with 8-channel ADC.
  • Generates PWM signals with four channels.
  • Interfaces to peripherals via I2C, SPI, UART.

ATMEGA32A-MU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA32A-MU?

The ATMEGA32A-MU operates from 2.7V to 5.5V.

What package is the ATMEGA32A-MU available in?

It comes in a 44-VFQFN package with exposed pad, also designated as 44-VQFN (7x7).

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

Is the ATMEGA32A-MU RoHS compliant?

The existing data lists it as RoHS3 compliant, but this is not independently verified.

How much Flash memory does it have?

It has 32KB of in-system programmable Flash memory.

What serial interfaces are available?

The device provides I2C, SPI, and UART/USART interfaces.

How many ADC channels does it have?

It has 8 channels of 10-bit ADC.

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