Professional IC Distribution & Technical Solutions

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.