Core3S250E, XILINX Core Board

SKU: 6612
Part Number: Core3S250E
Brand: Waveshare




FPGA core board, features the XILINX Spartan-3E chip XC3S250E onboard


Core3S250E is an FPGA core board that features an XC3S250E device onboard, supports further expansion.

  • onboard 1pcs XCF02S
  • integrated FPGA basic circuit, such as clock circuit
  • onboard nCONFIG button, RESET button, 4 x LEDs
  • all the I/O ports are accessible on the pin headers
  • onboard JTAG debugging/programming interface
  • 2.54mm header pitch design, suitable for being plugged-in your application system

What's On Board

XC3S250E core board on board resource
  1. XC3S250E:the XILINX Spartan-3E FPGA device which features:
    • Operating Frequency: 50MHz
    • Operating Voltage: 1.15V~3.3V
    • Package: QFP144
    • I/Os: 80
    • LEs: 250K
    • RAM: 216kb
    • DCMs: 4
    • Debugging/Programming: supports JTAG
  2. AMS1117-3.3, 3.3V voltage regulator
  3. AMS1117-2.5, 2.5V voltage regulator
  4. AMS1117-1.2, 1.2V voltage regulator
  5. XCF02S, onboard serial FLASH memory, for storing code
  6. Power indicator
  7. LEDs
  8. FPGA initialization indicator
  9. Reset button
  10. nCONFIG button: for re-configuring the FPGA chip, the equivalent of power reseting
  11. Power switch
  12. 50M active crystal oscillator
  13. 5V DC jack
  14. JTAG interface: for debugging/programming
  15. FPGA pins expander, VCC, GND and all the I/O ports are accessible on expansion connectors for further expansion
  16. LED jumpers



Core3S250E provides JTAG debugging interface, yet does NOT integrate any debugging function, a debugger is required.
Mother board and programmer/debugger in the photos are NOT included in the price.

Debugging/Programming Interface

The Core3S250E FPGA core board integrates JTAG interface for programming/debugging.

JTAG Signal Names & Description

PinSignal NameDescription
1 GND Signal ground
2 VCC(TRGT) Target power supply
3 GND Signal ground
4 TMS JTAG state machine control
5 GND Signal ground
6 TCK Clock signal
7 GND Signal ground
8 TDO Data from device
9 GND Signal ground
10 TDI Data to device
11 GND Signal ground
12 NC  
13 GND Signal ground
14 NC  
15 GND Signal ground

JTAG Header Pinout

JTAG header pinout

Development Resources

  • Related software (Xilinx ISE 12 - supports Winxp/Win7, doesn't support Win8)
  • Demo code (Verilog, VHDL)
  • Schematic (PDF)
  • FPGA development documentations


Weight: 0.074 kg

Quick Overview

Package Contains

  1. Core3S250E core board x 1
  2. USB power cable x 1