Waveshare ALTERA Cyclone II Nios II FPGA OpenEP2C5-C Development Board Package B

Item number: WS0506B

MPN: OpenEP2C5-C Package B


153,50 €

including 19% VAT.,

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Shipping time: 1 - 3 workdays



FPGA development board designed for ALTERA Cyclone II series, features the EP2C5 onboard, and integrates various standard interfaces, pretty easy for peripheral expansions.
EP2C5 development board


OpenEP2C5-C is an FPGA development board that consists of the mother board DVK601 and the FPGA core board CoreEP2C5.

OpenEP2C5-C supports further expansion with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with ALTERA Cyclone II series FPGA devices. OpenEP2C5-C enables you to start your design with the Nios II processor easily and quickly.

What's on the mother board

FPGA CPLD development board on board resource
  1. FPGA CPLD core board connector: for easily connecting core boards which integrate an FPGA CPLD chip onboard
  2. 8I/Os_1 interface, for connecting accessory boards/modules
  3. 8I/Os_2 interface, for connecting accessory boards/modules
  4. 8I/Os_3 interface, for connecting accessory boards/modules
  5. 8I/Os_4 interface, for connecting accessory boards/modules
  6. 16I/Os_1 interface, for connecting accessory boards/modules
  7. 16I/Os_2 interface, for connecting accessory boards/modules
  8. 32I/Os_1 interface, for connecting accessory boards/modules
  9. 32I/Os_2 interface, for connecting accessory boards/modules

All the I/O interfaces above:

  • capable of being simulated as USART, I2C, SPI, PS/2, etc.
  • capable of driving devices such as FRAM, FLASH, USB, Ethernet, etc.
  1. FPGA expansion connectors
    • FPGA pins are accessible on expansion connectors
    • for connecting SDRAM accessory board
  2. LCD interface, for connecting LCD22, LCD12864, LCD1602
  3. ONE-WIRE interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
  4. Buzzer
  5. Joystick: five positions
  6. Potentiometer: for LCD22 backlight adjustment, or LCD12864, LCD1602 contrast adjustment
  7. Buzzer jumper
  8. Joystick jumper
  9. ONE-WIRE jumper

For jumpers 16-18:

  • short the jumper to connect to I/Os used in example code
  • open the jumper to connect to other custom pins via jumper wires

The DVK601 supports a wide range of different core boards, therefore, some of the interfaces may be Not-Connected and useless while connecting to certain core board. For instance, while connecting to Core3S250E, the '? 8I/Os_3' and '? 8I/Os_4' are Not-Connected.

What's on the CoreEP2C5

EP2C5T144C8N core board on board resource
  1. EP2C5T144C8N: the ALTERA Cyclone II FPGA device which features:
    • Operating Frequency: 50MHz
    • Operating Voltage: 1.15V~3.465V
    • Package: QFP144
    • I/Os: 79
    • LEs: 4.6K
    • RAM: 120kb
    • PLLs: 2
    • Debugging/Programming: supports JTAG
  2. AMS1117-3.3, 3.3V voltage regulator
  3. AMS1117-1.2, 1.2V voltage regulator
  4. EPCS16, onboard serial FLASH memory, for storing code
  5. Power indicator
  6. LEDs
  7. Reset button
  8. nCONFIG button: for re-configuring the FPGA chip, the equivalent of power reseting
  9. Power switch
  10. 50M active crystal oscillator
  11. 5V DC jack
  12. JTAG interface: for debugging/programming
  13. FPGA pins expander, VCC, GND and all the I/O ports are accessible on expansion connectors for further expansion
  14. LED jumpers, short the jumpers to drive the LEDs

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