Device Model: EPXA1F484I2

1. General Overview

• Device Family: Altera® Excalibur™ ARM-Based Embedded Processor
• Processor Core: ARM922T™ 32-bit RISC
• Architecture: System-on-a-Programmable-Chip (SOPC)
• Process Technology: 0.18-μm CMOS
• Maximum Operating Frequency: 166 MHz

2. Package Information

• Package Type: FineLine BGA
• Pin Count: 484
• Package Code: F484
• Pitch: 1.00 mm
• Dimensions: 23 mm × 23 mm
• Area: 529 mm²

3. Logic & Memory Resources

• Maximum System Gates: 263,000
• Typical Gates: 100,000
• Logic Elements (LEs): 4,160
• Embedded System Blocks (ESBs): 26
• Maximum Macrocells: 416
• Maximum RAM Bits: 53,248
• Single-Port SRAM: 32 Kbytes
• Dual-Port SRAM: 16 Kbytes

4. I/O & Peripherals

• Maximum User I/O Pins: 173 (Note: 178 available in other compatible packages)
• Peripherals Included:UARTTimerWatchdog TimerInterrupt ControllerETM9 Trace ModuleJTAG Debug Interface

5. Memory Interfaces

• External SDRAM Support: Up to 512 Mbytes (133 MHz, PC133)
• External DDR Support: Up to 256 Mbytes (266 MHz, PC266)
• External Flash Memory: Up to 32 Mbytes
• Expansion Bus Interface (EBI): Compatible with flash, SRAM, and peripherals

6. Clock & Power

• Supply Voltages: 1.8 V (core), 2.5 V (I/O)
• Clock Management:Multiple PLLs for processor, memory, and PLD domainsClockLock™, ClockBoost™, ClockShift™ features

7. Development & Configuration

• Development Tools:Altera Quartus™ development environmentARM Developer Suite (ADS) compatibilityC/C++ compiler, debugger, RTOS support
• Configuration:In-system programming via embedded processorBoot from external flash memoryReconfigurable PLD logic

8. Additional Features

• Debug Support:SignalTap™ embedded logic analyzerReal-time trace and instruction monitoringJTAG-based background debugging
• Evaluation Board: Available separately for prototyping and development

9. Typical Applications

• Embedded control systems
• Voice-over-packet gateways
• Industrial automation
• Communications infrastructure

10. Notes

• This is a preliminary datasheet; consult Altera for final specifications.
• The F484 package supports SameFrame™ pin migration, enabling flexible upgrades within the Excalibur family.