ATMEGA8U2-MU

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ATMEGA8U2-MU

IC MCU 8BIT 8KB FLASH 32VQFN

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Spécifications

Package Tray
Series AVR® ATmega
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 16MHz
Connectivity SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 22
ProgramMemorySize 8KB (4K x 16)
ProgramMemoryType FLASH
EEPROMSize 512 x 8
RAMSize 512 x 8
Voltage-Supply(Vcc/Vdd) 2.7V ~ 5.5V
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-VFQFN Exposed Pad

Vue d'ensemble

Description

The ATmega8U2-MU is an 8-bit microcontroller from Microchip Technology, part of the AVR family. It features 8KB of flash memory, 512 bytes of SRAM, and 256 bytes of EEPROM. With 23 programmable I/O lines, it supports various applications including embedded systems, automation, and control tasks.
The ATmega8U2 operates at a clock speed of up to 16 MHz and has a built-in USB 2.0 interface, making it suitable for applications requiring USB connectivity. It also includes several peripherals such as timers, an analog-to-digital converter (ADC), and a USART for serial communication.
Programming can be done using the popular Arduino IDE or AVR-GCC, providing versatility for developers. Its low power consumption and wide operating voltage range (1.8V to 5.5V) make it ideal for battery-powered devices. Overall, the ATmega8U2-MU is a reliable choice for hobbyists and professionals seeking a compact and efficient microcontroller solution.

Features

The ATmega8U2-MU is an 8-bit microcontroller from Microchip's ATmega series, featuring:
1. Architecture: AVR 8-bit RISC architecture, optimized for high performance.
2. Flash Memory: 8KB of in-system programmable Flash memory.
3. SRAM/EEPROM: 1KB SRAM and 512 bytes of EEPROM.
4. Clock Speed: Operates at a maximum clock frequency of 16 MHz.
5. I/O Ports: 23 general-purpose I/O pins.
6. Peripherals: Includes a USB 2.0 controller, USART, SPI, and I2C interfaces.
7. Timers: Two 8-bit and one 16-bit timer/counter.
8. Analog Features: 10-bit ADC with 8 channels.
9. Low Power Consumption: Multiple sleep modes for energy efficiency.
10. Operating Voltage: 1.8V to 5.5V.
11. Package: Available in a 32-pin QFN or TQFP package.
These features make the ATmega8U2-MU suitable for various embedded applications, especially those requiring USB functionality.

Package

The ATMEGA8U2-MU is provided in a 32-lead QFN (Quad Flat No-lead) package type. This compact package design facilitates efficient heat dissipation and is suitable for space-constrained applications.

Pinout

The ATmega8U2-MU microcontroller has a pin count of 28. It features a range of functions including:
- Digital I/O Pins: 8 pins can be used for general-purpose input/output.
- Analog Input Pins: 6 pins can serve as 10-bit ADC inputs.
- USART: Supports serial communication via Universal Synchronous and Asynchronous serial Receiver and Transmitter.
- SPI: Provides Serial Peripheral Interface for communication with other devices.
- I2C: Supports Inter-Integrated Circuit communication.
- Reset Pin: Dedicated pin for resetting the microcontroller.
- Power Supply Pins: Includes VCC and GND for power connections.
The ATmega8U2 is commonly used in applications requiring USB functionality, as it can be programmed to act as a USB device. It is suitable for a variety of embedded systems projects due to its versatility and integrated features.

Manufacturer

The ATMEGA8U2-MU is manufactured by Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in designing and manufacturing microcontrollers, memory products, and analog semiconductors. Founded in 1989, Microchip serves a wide range of industries including automotive, industrial, consumer, and communications. The company is known for its expertise in embedded control solutions, providing developers with tools and resources to create innovative applications. Microchip's products are widely used in various electronic devices, making it a significant player in the global electronics market.

Application

The ATMEGA8U2-MU is commonly used in various application areas including:
1. Embedded Systems: For controlling devices and automation tasks.
2. Consumer Electronics: In products like remote controls and smart appliances.
3. Data Logging: For collecting and storing sensor data.
4. Communication Interfaces: As a USB interface for peripherals.
5. Robotics: For motor control and sensor integration.
6. Prototyping: In development boards for rapid application development.
Its versatility makes it suitable for hobbyist and industrial applications alike.

Equivalent

Equivalent products to the ATmega8U2-MU include the ATmega16U2 and ATmega32U4. These chips share similar architecture and functionality, featuring USB capabilities. Other alternatives may include the ATmega32U2, depending on specific application requirements. Always verify pin compatibility and memory specifications when considering replacements.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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