Microchip Technology AT94K40AL-25DQU

AT94K40AL-25DQU - FPGA with Integrated AVR Microcontroller

The AT94K40AL-25DQU from Microchip Technology is a powerful FPSLIC® (Field Programmable System Level Integrated Circuit) that combines a 40K gate FPGA with an 8-bit AVR microcontroller core, offering exceptional flexibility for embedded system designs requiring both programmable logic and processing capabilities.

This unique architecture enables you to implement custom hardware acceleration alongside traditional microcontroller functionality, making it ideal for applications demanding both sequential processing and parallel logic operations in a single, compact device.

Key Features & Benefits

• Integrated 8-bit AVR Core: 18 MHz processing speed delivers real-time control and sequential task execution
• 40K Gate FPGA Fabric: 2304 core cells, 2862 registers, and 18kb SRAM provide extensive programmable logic resources
• Flexible Communication Interfaces: Built-in I2C and UART protocols simplify system integration
• Industrial-Grade Reliability: Extended operating temperature range from -40°C to 85°C ensures performance in harsh environments
• Compact Form Factor: 208-PQFP package (28x28mm) enables space-efficient PCB designs
• Dual Memory Architecture: 20K-32K program SRAM and 4K-16K data SRAM support complex applications
• Low Voltage Operation: 3V to 3.6V supply voltage reduces power consumption

Target Applications

The AT94K40AL-25DQU excels in embedded systems requiring both FPGA flexibility and microcontroller functionality:

• Industrial Automation: Custom control logic with real-time processing
• Motor Control: Hardware-accelerated PWM generation and feedback processing
• Digital Signal Processing: Parallel filtering and data transformation
• Custom Protocol Implementation: Hardware-based communication interfaces
• Sensor Interface Systems: Multi-channel data acquisition with preprocessing
• Embedded Control Systems: Combining sequential logic with parallel operations

The integrated AVR core efficiently handles sequential tasks, system management, and high-level control, while the FPGA fabric accelerates time-critical parallel operations, custom peripherals, and hardware-intensive algorithms.

Design Advantages

By integrating both FPGA and microcontroller in a single device, the AT94K40AL-25DQU reduces board space, simplifies design, lowers power consumption, and eliminates the need for separate FPGA and MCU components. This integration also improves system reliability and reduces overall BOM costs.

Compliance & Quality Assurance

RoHS Compliant - Meets environmental standards for hazardous substance restrictions. Supplied in professional tray packaging for reliable handling, storage, and automated assembly processes.

Why Choose AT94K40AL-25DQU?

When your application demands the processing power of a microcontroller combined with the flexibility of programmable logic, the AT94K40AL-25DQU delivers an optimal solution. Its proven FPSLIC architecture, industrial-grade specifications, and comprehensive feature set make it the ideal choice for demanding embedded applications.

• AT94K40AL-25DQU.pdf