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ATMEGA32A-AUR

Name: ATMEGA32A-AUR
Rating: 4.7 (12 reviews)

IC MCU 8BIT 32KB FLASH 44TQFP

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データシート ATMEGA32A-AUR DataSheet
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仕様

Series	AVR® ATmega
Part Status	Active
DigiKey Programmable	Verified
Core Processor	AVR
Core Size	8-Bit
Speed	16MHz
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)
Mounting Type	Surface Mount
Supplier Device Package	44-TQFP (10x10)
Package / Case	44-TQFP
Base Product Number	ATMEGA32

概要

Description

The ATmega32A is an 8-bit microcontroller from the AVR family, developed by Microchip Technology. It features a 32KB Flash memory for program storage, 2KB SRAM, and 1KB EEPROM for non-volatile data. With a maximum clock speed of 16 MHz, it supports a variety of peripherals, including 32 general-purpose I/O pins, three 16-bit timers, and up to 8-channel 10-bit ADC (Analog-to-Digital Converter).
The microcontroller is particularly popular for embedded systems due to its low power consumption, ease of programming, and robust instruction set. It can be programmed using languages such as C or assembly, typically via the Arduino IDE or Atmel Studio.
The ATmega32A also supports various communication protocols, including USART, SPI, and I2C, making it versatile for applications ranging from simple controls to complex robotics and automation systems. Its combination of features and ease of use has made it a favorite among hobbyists and professionals alike.

Features

The ATmega32A-AUR is an 8-bit microcontroller from Atmel's AVR family, featuring:
- Architecture: AVR 8-bit RISC
- Flash Memory: 32 KB (programmable)
- SRAM: 2 KB
- EEPROM: 1 KB
- Clock Speed: Up to 16 MHz
- I/O Pins: 32 general-purpose I/O pins
- Timers: Three 16-bit timers
- ADC: 10-bit Analog-to-Digital Converter with 8 channels
- Communication Interfaces: USART, SPI, I2C
- Operating Voltage: 2.7V to 5.5V
- Power Consumption: Low power modes for efficiency
- Interrupts: External and internal interrupt support
- Package Types: Available in various packages, including DIP and TQFP
The ATmega32A-AUR is well-suited for applications in embedded systems, automation, and control due to its robust features and ease of programming with the AVR development environment.

Package

The ATMEGA32A-AUR is available in a TQFP (Thin Quad Flat Package) type, specifically a 32-pin package. This surface-mount package is designed for applications requiring compact size and efficient thermal performance.

Pinout

The ATmega32A-AUR microcontroller features a 32-pin Dual In-line Package (DIP) format. It is part of the AVR family and includes the following pin functionalities:
1. Digital I/O Pins: 23 general-purpose I/O pins.
2. Analog Inputs: 8-channel 10-bit ADC.
3. Timers: 3 timers (two 8-bit and one 16-bit).
4. UART: 1 asynchronous serial communication interface.
5. SPI: 1 Serial Peripheral Interface.
6. I2C: 1 Two-wire Interface (TWI).
7. Reset Pin: Dedicated pin for resetting the microcontroller.
8. AVCC Pin: Power supply for the analog-to-digital converter.
9. GND Pins: Multiple ground pins for proper circuit grounding.
The ATmega32A-AUR operates at a maximum frequency of 16 MHz and is commonly used in various applications, including embedded systems, robotics, and consumer electronics.

Manufacturer

The ATMEGA32A-AUR is manufactured by Microchip Technology Inc., a prominent American company specializing in microcontroller and analog semiconductors. Founded in 1989, Microchip is known for its development of innovative embedded control solutions, primarily focusing on 8-bit, 16-bit, and 32-bit microcontrollers, as well as digital signal controllers. The company serves a wide range of industries, including automotive, industrial, consumer electronics, and telecommunications, providing products that enable a variety of applications, from simple automation to complex embedded systems. Microchip is also recognized for its commitment to research and development, fostering advancements in microcontroller technology and supporting a broad array of development tools and resources for engineers and developers.

Application

The ATmega32A-AUR microcontroller is commonly used in applications such as embedded systems, industrial automation, robotics, sensor interfacing, and consumer electronics. It is suitable for data acquisition, motor control, home automation, and educational projects due to its versatility, low power consumption, and ease of programming. Additionally, it finds use in medical devices, IoT applications, and prototyping, making it a popular choice for hobbyists and professionals alike.

Equivalent

Equivalent products to the ATmega32A-AUR include the ATmega16A-AUR and ATmega64A-AUR, which share similar architecture and features. Other alternatives are the ATmega328P and ATmega2560, which are also part of the AVR family but have different specifications. Compatibility may vary based on pin configuration and memory size, so be sure to check datasheets for specific requirements.