AT90USB1287-AU

The AT90USB1287-AU is an 8-bit microcontroller from Microchip Technology, part of the AVR architecture. It features a powerful 16 MHz clock speed and is equipped with 128 KB of Flash memory, 4 KB of SRAM, and 4 KB of EEPROM for data storage. This microcontroller offers multiple I/O ports, allowing for extensive connectivity and control options, making it suitable for various applications, including USB devices, embedded systems, and automation.
One of its key features is built-in USB 2.0 support, enabling easy integration with USB interfaces, which facilitates communication with other devices and computers. It also supports various peripherals, including timers, ADCs, and USART, enhancing its versatility.
The AT90USB1287-AU operates in a wide voltage range (2.7V to 5.5V), making it compatible with different power supplies. It is ideal for developers looking to create USB-based applications, due to its combination of processing power, memory, and connectivity options. The microcontroller is available in a TQFP package, suitable for both prototyping and production environments.

The AT90USB1287-AU is a microcontroller from Microchip's AT90USB series, featuring an 8-bit AVR architecture. Key features include:
- Flash Memory: 128 KB of in-system programmable Flash memory.
- SRAM: 8 KB of SRAM for data storage.
- EEPROM: 4 KB of EEPROM for non-volatile data retention.
- Clock Speed: Operates at up to 16 MHz.
- USB Interface: Full-speed USB 2.0 interface with integrated USB controller, supporting device and on-the-go (OTG) modes.
- GPIO: 32 general-purpose I/O pins for interfacing with external components.
- Timers: Multiple timers (including PWM capabilities) for precise timing and control.
- Analog Features: 10-bit ADC with up to 8 channels for analog signal processing.
- Communication Interfaces: USART, SPI, and I²C interfaces for serial communication.
- Operating Voltage: 2.7V to 5.5V, suitable for a variety of applications.
This microcontroller is ideal for embedded systems requiring USB connectivity, making it popular in applications like human interface devices and data acquisition systems.

The AT90USB1287-AU is packaged in a TQFP (Thin Quad Flat Package) with 64 pins. This surface-mount package type is designed for enhanced thermal performance and reduced space requirements on printed circuit boards.

The AT90USB1287-AU is an 8-bit AVR microcontroller with a total of 64 pins in a TQFP package. It features 128KB of Flash memory, 8KB of SRAM, and 4KB of EEPROM.
Key functions of its pins include:
- Digital I/O: 32 general-purpose I/O pins that can be configured as inputs or outputs.
- Analog Inputs: 8 ADC channels (10-bit resolution).
- Communication Interfaces:
- USB 2.0 Full-Speed interface for direct USB connectivity.
- USART, SPI, and I2C interfaces for serial communication.
- Timers: Several Timer/Counter modules for generating PWM signals and measuring time intervals.
- External Interrupts: Multiple external interrupt pins for responsive control.
The microcontroller is designed for embedded applications requiring USB connectivity and offers a range of peripherals to support various functionalities.

The AT90USB1287-AU is manufactured by Microchip Technology Inc., a leading American semiconductor company. Microchip specializes in microcontrollers, memory, and analog products, providing solutions for embedded systems. Founded in 1989 and headquartered in Chandler, Arizona, Microchip offers a diverse range of products including microcontrollers (MCUs), digital signal controllers (DSCs), and development tools. The AT90USB1287-AU is part of their AVR family of microcontrollers, featuring USB connectivity, making it suitable for various applications in consumer electronics, industrial automation, and automotive sectors. Microchip is known for its commitment to innovation, quality, and customer support in the semiconductor industry.

The AT90USB1287-AU microcontroller is commonly used in applications such as USB devices, embedded systems, industrial automation, consumer electronics, and data acquisition systems. Its integrated USB interface makes it suitable for devices like USB HID (Human Interface Devices), USB mass storage, and communication interfaces. Additionally, it is utilized in robotics, IoT devices, and any application requiring programmable control and connectivity.

The AT90USB1287-AU is an AVR microcontroller. Equivalent products include the ATmega32U4, ATmega16U4, and ATmega32U3, which share similar architectures and USB capabilities. Additionally, the Microchip PIC32 series and STM32F series may serve as alternatives, depending on specific application requirements like speed, memory, and peripherals. Always verify compatibility with your project needs.