EPM1270 CPLD USB CY7C68013 DEVELOPMENT BOARD ALTERA

This development board is built around the Altera MAX II CPLD (EPM1270T144C5NSRA) and integrates high-speed data handling and memory resources, making it ideal for digital logic prototyping, embedded system design, and educational use.

🔹 Core Components

• CPLD: Altera MAX II EPM1270T144C5NSRA
  • 1,270 macrocells
  • 3.3V operation
  • All I/O pins are fully routed and labeled on the silkscreen for easy access
• SRAM Memory: ISSI61LV25616-10
  • 256K × 16-bit (512 KB total)
  • High-speed parallel access for data buffering and logic operations
• USB Interface: CY7C68013A-56PVXC
  • USB 2.0 high-speed controller
  • Enables fast data transfer between board and host PC
  • Acts as a bridge for CPLD programming and communication
• EEPROM: 24LC64

• 64 Kbit non-volatile memory
• Stores firmware or configuration data for the USB controller

🔹 Power and Clock

• Power Supply:
  • Accepts 5V external input or USB power
  • Onboard AMS1117-3.3 LDO regulator provides stable 3.3V for logic components
  • Tantalum capacitors ensure clean power filtering
• Clock Source:

• 48 MHz active crystal oscillator for precise timing and synchronous logic

🔹 User Interface and Expansion

• Indicators and Controls:
  • 2 programmable LEDs
  • 2 push buttons for input testing or control logic
• I/O Expansion:

• All CPLD pins are broken out to headers
• Silkscreen labels for each pin simplify prototyping and debugging

🧪 Ideal Applications

• Custom processor or FSM implementation
• High-speed logic interfacing and buffering
• USB-based data acquisition or control systems
• Educational platforms for VHDL/Verilog training
• SRAM-based memory controller experiments