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ATMEGA8U2-MU
+NomenclatureIC MCU 8BIT 8KB FLASH 32VQFN
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FabricantTechnologie de micropuce
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Pièce fabricant #ATMEGA8U2-MU
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Fiche technique ATMEGA8U2-MU DataSheet
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Package 32-VQFN (5x5)
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En stock6524
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Spécifications
| Attribut | Valeur |
| 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 |
Présentation
Description
This MCU is equipped with a full-speed USB 2.0 interface, allowing seamless integration with USB applications. It includes 22 programmable I/O lines, facilitating versatile peripheral control and communication. The device supports In-System Programming (ISP) and In-Application Programming (IAP), enhancing development flexibility.
The ATMEGA8U2-MU also features an 8-channel, 10-bit ADC, a programmable watchdog timer, and multiple timers/counters, boosting its capabilities for various applications. It is housed in a space-efficient, 32-pin QFN package, making it suitable for compact designs. Widely used in consumer electronics, USB peripherals, and DIY projects, this microcontroller offers a balanced blend of performance, memory, and connectivity options.
Equivalent
Features
1. Core: 8-bit AVR RISC architecture.
2. Memory: 8 KB of Flash memory, 512 bytes of EEPROM, and 512 bytes of SRAM.
3. USB Capability: Integrated USB 2.0 full-speed/low-speed device, which supports USB communication and acts as a USB peripheral.
4. I/O Pins: 22 programmable I/O lines.
5. Timers/Counters: Includes two 8-bit timers and one 16-bit timer.
6. Interfaces: Supports USART, SPI, and TWI (I2C) communication protocols.
7. Operating Voltage: 2.7V to 5.5V.
8. Clock Speed: Up to 16 MHz.
9. Packages: Available in 32-pin QFN and TQFP packages.
10. Additional Features: Includes watchdog timer, power-on reset, internal temperature sensor, and programmable brown-out detection.
The ATMEGA8U2-MU is commonly used in applications requiring USB connectivity, such as development boards and custom USB devices. Its mix of USB capability and general-purpose microcontroller features makes it versatile for various embedded applications.
Pinout
Key features of the ATmega8U2-MU include:
- USB Interface: It supports full-speed USB 2.0, allowing easy connectivity with computers and other USB-enabled devices.
- I/O Ports: The microcontroller provides several digital I/O pins that can be used for interfacing with other components or peripherals.
- Timers and Counters: It includes programmable timers and counters for timing applications.
- USART: Integrated for serial communication.
- SPI and I²C: Supports these communication protocols for peripheral interfacing.
- PWM: Pulse Width Modulation functionality for controlling devices like motors and LEDs.
The ATmega8U2-MU is often used in projects requiring USB communication, such as in Arduino boards where it acts as a USB-to-serial converter. Its compact size and versatile features make it a popular choice for embedded systems.
Manufacturer
Application
1. USB to Serial Converters: Facilitates communication between USB and serial devices.
2. Embedded Systems: Ideal for projects requiring USB connectivity, such as custom peripherals.
3. Prototyping and Development Boards: Often used in Arduino boards for USB communication.
4. Consumer Electronics: Used in devices needing USB interfaces, such as gaming peripherals.
5. Industrial Automation: Suitable for control systems requiring USB interfacing.
6. DIY Electronics Projects: Popular in hobbyist projects for USB connectivity.
These applications leverage its ability to convert USB signals and its ease of integration.