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AT90USB646-AU
Introduction
The AT90USB646-AU is a microcontroller belonging to the AT90USB family, designed and manufactured by Atmel Corporation. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.
Product 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 high-performance RISC architecture
- Packaging/Quantity: Tape & Reel, 32 units per reel
Specifications
- Architecture: 8-bit AVR
- Flash Memory: 64 KB
- SRAM: 4 KB
- EEPROM: 2 KB
- Operating Voltage: 2.7V - 5.5V
- Max CPU Speed: 16 MHz
- I/O Pins: 32
- Communication Interfaces: USB 2.0, SPI, I2C, USART
- Analog Input Channels: 8
- Timers/Counters: 3
- Comparators: 1
- Temperature Range: -40°C to 85°C
Detailed Pin Configuration
The AT90USB646-AU features a total of 64 pins, each serving specific functions related to power supply, communication interfaces, I/O operations, and other functionalities. A detailed pin configuration diagram can be found in the official datasheet provided by Atmel Corporation.
Functional Features
- USB Connectivity: Integrated USB 2.0 Full-Speed device module
- Peripheral Integration: Multiple communication interfaces for versatile connectivity
- High-Performance CPU: 8-bit AVR RISC architecture with efficient instruction set
- Flexible Clocking Options: Internal and external clock options for varied applications
- Low-Power Operation: Power-saving modes for energy-efficient designs
Advantages and Disadvantages
Advantages
- Seamless USB integration for diverse applications
- High-performance RISC architecture for efficient processing
- Low-power operation suitable for battery-powered devices
- Versatile communication interfaces for enhanced connectivity
Disadvantages
- Limited flash memory compared to higher-end microcontrollers
- Restricted temperature range for extreme environmental conditions
Working Principles
The AT90USB646-AU operates based on the 8-bit AVR RISC architecture, utilizing its integrated USB module and peripheral interfaces to facilitate data transfer, control external devices, and execute user-defined tasks. The microcontroller's core executes instructions fetched from its flash memory, interacting with various peripherals and I/O devices to accomplish its designated functions.
Detailed Application Field Plans
The AT90USB646-AU finds applications in a wide range of embedded systems and USB-based projects, including but not limited to: - USB-enabled consumer electronics - Human Interface Devices (HID) - Industrial automation and control systems - Portable medical devices - Home automation and IoT solutions
Detailed and Complete Alternative Models
For users seeking alternatives to the AT90USB646-AU, several microcontrollers offer similar capabilities, including: - ATmega32U4: Another 8-bit AVR microcontroller with integrated USB support - PIC18F4550: A popular 8-bit microcontroller with USB capabilities - STM32F103: A 32-bit ARM Cortex-M3 microcontroller with USB connectivity
In conclusion, the AT90USB646-AU serves as a versatile microcontroller with integrated USB functionality, suitable for a wide array of embedded systems and USB-based applications. Its combination of high-performance RISC architecture, USB connectivity, and low-power operation makes it a compelling choice for developers and engineers across various industries.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT90USB646-AU v technických řešeních
What is the AT90USB646-AU microcontroller used for?
- The AT90USB646-AU microcontroller is commonly used in USB applications, such as USB peripherals, USB-to-serial converters, and other USB-based devices.
What are the key features of the AT90USB646-AU?
- The AT90USB646-AU features 64KB of flash memory, 4KB of EEPROM, 2KB of SRAM, USB 2.0 full-speed device, and host support, as well as a wide range of communication interfaces and peripherals.
How can I program the AT90USB646-AU microcontroller?
- The AT90USB646-AU can be programmed using various development tools such as Atmel Studio, AVR-GCC, or other compatible IDEs and compilers.
What are the power supply requirements for the AT90USB646-AU?
- The AT90USB646-AU typically operates at a voltage range of 2.7V to 5.5V, making it suitable for a wide variety of power supply options.
Can the AT90USB646-AU be used in battery-powered applications?
- Yes, the low-power consumption characteristics of the AT90USB646-AU make it suitable for battery-powered applications, extending the device's operational lifetime.
What communication interfaces does the AT90USB646-AU support?
- The AT90USB646-AU supports USART, SPI, and I2C interfaces, providing flexibility for various communication protocols and connectivity options.
Is the AT90USB646-AU suitable for real-time applications?
- Yes, the AT90USB646-AU offers features such as interrupt handling and timers, making it suitable for real-time applications that require precise timing and responsiveness.
Are there any development boards available for the AT90USB646-AU?
- Yes, there are development boards specifically designed for the AT90USB646-AU, which provide a convenient platform for prototyping and testing applications.
Does the AT90USB646-AU support USB OTG (On-The-Go) functionality?
- Yes, the AT90USB646-AU supports USB OTG, allowing it to act as both a USB host and a USB device, providing versatility in USB-based applications.
What kind of security features does the AT90USB646-AU offer?
- The AT90USB646-AU provides security features such as write protection for memory and secure boot options, enhancing the overall security of embedded applications.