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AT90USB1287-AUR
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AT90USB1287-AUR

Introduction

The AT90USB1287-AUR is a microcontroller belonging to the AT90USB family, designed and manufactured by Atmel Corporation. This microcontroller is widely used in various applications due to its versatile features and capabilities.

Basic Information Overview

  • Category: Microcontroller
  • Use: Embedded systems, USB applications
  • Characteristics: High-performance, low-power consumption, USB connectivity
  • Package: 64-pin TQFP
  • Essence: Integration of USB interface and high-performance microcontroller
  • Packaging/Quantity: Tape & Reel, 250 units per reel

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
  • USB Interface: Full-speed (12 Mbps)
  • I/O Pins: 53
  • Analog Inputs: 8
  • Timers/Counters: 6
  • Communication Interfaces: USART, SPI, I2C

Detailed Pin Configuration

The AT90USB1287-AUR features a 64-pin TQFP package with detailed pin configuration for various functions including GPIO, communication interfaces, power supply, and clock inputs. Refer to the datasheet for the complete pinout diagram.

Functional Features

  • USB Connectivity: Integrated full-speed USB interface for easy connection to USB-enabled devices.
  • High-Performance CPU: 8-bit AVR architecture with a maximum speed of 16 MHz for efficient processing.
  • Versatile I/O: 53 I/O pins and multiple communication interfaces for flexible interfacing with external devices.
  • Low-Power Operation: Optimized for low-power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

  • Seamless USB integration
  • High-performance CPU
  • Versatile I/O capabilities
  • Low-power operation

Disadvantages

  • Limited flash memory compared to some competing models
  • 8-bit architecture may not be suitable for all applications requiring higher computational power

Working Principles

The AT90USB1287-AUR operates based on the 8-bit AVR architecture, utilizing its integrated USB interface and high-performance CPU to execute user-defined tasks. It communicates with external devices through its I/O pins and communication interfaces, while efficiently managing power consumption to extend battery life in portable applications.

Detailed Application Field Plans

The AT90USB1287-AUR finds extensive use in various embedded systems and USB applications, including but not limited to: - USB peripherals such as keyboards, mice, and game controllers - Industrial automation and control systems - Consumer electronics and home automation - Automotive electronics and infotainment systems

Detailed and Complete Alternative Models

  • ATmega32U4: Offers similar USB integration with enhanced flash memory capacity
  • PIC18F4550: Competing microcontroller with USB capabilities and larger flash memory
  • STM32F103C8T6: Alternative with higher computational power and USB connectivity

In conclusion, the AT90USB1287-AUR microcontroller offers a balance of USB integration, high-performance computing, and low-power operation, making it suitable for a wide range of embedded and USB-based applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AT90USB1287-AUR in technische oplossingen

  1. What is the AT90USB1287-AUR microcontroller used for?

    • The AT90USB1287-AUR is commonly used in USB applications, such as USB peripherals, USB-to-serial converters, and USB-based data acquisition systems.

  2. What are the key features of the AT90USB1287-AUR?

    • The AT90USB1287-AUR features 128KB of flash memory, 8KB of SRAM, 4KB of EEPROM, USB 2.0 full-speed device, and a wide range of communication interfaces.

  3. How is the AT90USB1287-AUR programmed?

    • The AT90USB1287-AUR can be programmed using various development tools such as Atmel Studio, AVR-GCC, or other compatible IDEs.

  4. Can the AT90USB1287-AUR be used in low-power applications?

    • Yes, the AT90USB1287-AUR offers low-power consumption modes, making it suitable for battery-powered or energy-efficient devices.

  5. What communication interfaces does the AT90USB1287-AUR support?

    • The AT90USB1287-AUR supports USART, SPI, I2C, and USB interfaces, providing flexibility for various communication requirements.

  6. Is the AT90USB1287-AUR suitable for industrial applications?

    • Yes, the AT90USB1287-AUR is designed to meet the requirements of industrial applications with its robust design and extended temperature range.

  7. Does the AT90USB1287-AUR have built-in security features?

    • Yes, the AT90USB1287-AUR includes hardware-based security features such as write protection for memory and secure boot options.

  8. What development boards are compatible with the AT90USB1287-AUR?

    • Development boards such as the Atmel AVR XMEGA-A3BU Xplained and other AVR development platforms are compatible with the AT90USB1287-AUR.

  9. Can the AT90USB1287-AUR be used in automotive applications?

    • Yes, the AT90USB1287-AUR meets automotive quality standards and can be used in automotive control systems and infotainment applications.

  10. Are there any application notes or reference designs available for the AT90USB1287-AUR?

    • Yes, Atmel provides comprehensive application notes, reference designs, and software libraries to assist developers in implementing the AT90USB1287-AUR in various technical solutions.