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AT90USB1287-AU
Introduction
The AT90USB1287-AU belongs to the category of microcontrollers and is widely used in various electronic applications. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.
Basic Information Overview
- Category: Microcontroller
- Use: Embedded systems, USB applications
- Characteristics: High-performance, low-power, USB connectivity
- Package: TQFP (Thin Quad Flat Package)
- Essence: Integration of USB interface and microcontroller functionality
- Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier
Specifications
- Architecture: 8-bit AVR
- Flash Memory: 128 KB
- SRAM: 8 KB
- EEPROM: 4 KB
- Operating Voltage: 2.7V - 5.5V
- Max CPU Speed: 16 MHz
- I/O Pins: 46
- Communication Interfaces: USB 2.0, SPI, I2C, USART
- Analog Input Channels: 8
- Timers/Counters: 6
- Comparators: 2
- Operating Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The AT90USB1287-AU features a comprehensive pin configuration with multiple I/O pins, power supply pins, communication interfaces, and other essential connections. A detailed pinout diagram can be found in the official datasheet provided by the manufacturer.
Functional Features
- USB Connectivity: Integrated USB 2.0 interface for direct connection to USB-enabled devices.
- High-Performance CPU: 8-bit AVR architecture with a maximum speed of 16 MHz for efficient processing.
- Peripheral Support: Multiple communication interfaces and analog input channels for versatile connectivity.
- Flexible Operating Voltage: Wide operating voltage range allows for compatibility with various power sources.
- On-Chip Debugging: Supports in-system programming and debugging for convenient development and testing.
Advantages and Disadvantages
Advantages
- Seamless USB integration
- Low-power consumption
- Extensive peripheral support
- In-system programming and debugging capabilities
Disadvantages
- Limited processing power compared to higher-bit architectures
- Limited memory for certain high-capacity applications
Working Principles
The AT90USB1287-AU operates as a central processing unit within embedded systems, utilizing its integrated USB interface to facilitate communication with external devices. It executes programmed instructions and interacts with peripherals to perform specific tasks based on the application requirements.
Detailed Application Field Plans
- Consumer Electronics: USB-enabled devices, smart home appliances
- Industrial Automation: Control systems, data acquisition devices
- Automotive: In-vehicle entertainment systems, diagnostic tools
- Medical Devices: Patient monitoring equipment, diagnostic instruments
- IoT (Internet of Things): Sensor nodes, connected devices
Detailed and Complete Alternative Models
- ATmega32U4: Offers similar USB integration with lower flash memory and I/O pins.
- ATmega2560: Provides higher memory and I/O capabilities but lacks integrated USB interface.
- PIC18F4550: Competing microcontroller with integrated USB and comparable specifications.
In conclusion, the AT90USB1287-AU serves as a versatile microcontroller with integrated USB connectivity, making it suitable for a wide range of embedded applications. Its high-performance, low-power characteristics, and extensive peripheral support contribute to its widespread use in diverse electronic systems.
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What is the AT90USB1287-AU microcontroller used for?
- The AT90USB1287-AU microcontroller is commonly used in various technical solutions such as USB-based applications, embedded systems, and industrial control systems.
What are the key features of the AT90USB1287-AU?
- The AT90USB1287-AU features 128KB of flash memory, 8KB of SRAM, USB 2.0 full-speed device, and host support, as well as a wide range of peripherals including timers, communication interfaces, and analog-to-digital converters.
How can I program the AT90USB1287-AU microcontroller?
- The AT90USB1287-AU can be programmed using various development tools such as Atmel Studio, AVR-GCC, or other compatible IDEs and compilers.
What are the typical voltage and current requirements for the AT90USB1287-AU?
- The AT90USB1287-AU operates at a voltage range of 2.7V to 5.5V and has low power consumption, making it suitable for battery-powered applications.
Can the AT90USB1287-AU be used in USB peripheral applications?
- Yes, the AT90USB1287-AU is designed to support USB peripheral applications and can function as a USB device or host.
What communication interfaces are available on the AT90USB1287-AU?
- The AT90USB1287-AU includes USART, SPI, and I2C interfaces, providing flexibility for various communication protocols.
Does the AT90USB1287-AU support real-time control applications?
- Yes, the AT90USB1287-AU offers features suitable for real-time control applications, including high-speed timers and interrupt handling capabilities.
Are there any development boards available for prototyping with the AT90USB1287-AU?
- Yes, there are development boards and evaluation kits specifically designed for the AT90USB1287-AU, which provide a convenient platform for prototyping and testing.
What security features does the AT90USB1287-AU offer?
- The AT90USB1287-AU provides hardware-based security features such as write protection for memory and secure boot options to enhance system security.
Can the AT90USB1287-AU be used in automotive or industrial control applications?
- Yes, the AT90USB1287-AU is suitable for automotive and industrial control applications due to its robust design, wide operating voltage range, and extensive peripheral support.