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AT90USB1287-AU Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AT90USB1287-AUMICROCHIP450Yes

AT90USB1287-AU** is a microcontroller from **Microchip Technology** based on the **AVR architecture**.

The AT90USB1287-AU is a microcontroller from Microchip Technology based on the AVR architecture. Below are its specifications, descriptions, and features:

Manufacturer:

  • MICROCHIP

Specifications:

  • Core: 8-bit AVR
  • Flash Memory: 128 KB
  • SRAM: 8 KB
  • EEPROM: 4 KB
  • Operating Voltage: 2.7V to 5.5V
  • Max CPU Speed: 16 MHz
  • Package: 64-pin TQFP (Thin Quad Flat Package)
  • I/O Pins: 48
  • Timers:
  • 4 x 8-bit
  • 2 x 16-bit
  • PWM Channels: 6
  • ADC Channels: 8 (10-bit resolution)
  • Communication Interfaces:
  • USB 2.0 Full Speed (12 Mbps)
  • USART (2)
  • SPI
  • I²C (TWI)
  • Debug Interface: JTAG
  • Operating Temperature Range: -40°C to +85°C

Descriptions:

The AT90USB1287-AU is a high-performance, low-power AVR microcontroller with built-in USB functionality. It is designed for embedded applications requiring USB connectivity, such as HID (Human Interface Device) and mass storage devices.

Features:

  • USB 2.0 Full Speed (12 Mbps) Controller with embedded PHY
  • Bootloader Support for flexible firmware updates
  • On-Chip Debugging via JTAG
  • Hardware Multiplier for efficient arithmetic operations
  • Low-Power Modes (Idle, Power-down, Standby)
  • Wide Operating Voltage (2.7V–5.5V)
  • Robust Peripheral Set including ADC, PWM, and multiple serial interfaces

This microcontroller is commonly used in USB peripherals, industrial control systems, and consumer electronics.

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