XILINX Spartan-3E FPGA Development Board - Core3S250E - XC3S250E Device 

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

• Onboard 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

1. 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. 2. AMS1117-3.3, 3.3V voltage regulator
3. 3. AMS1117-2.5, 2.5V voltage regulator
4. 4. AMS1117-1.2, 1.2V voltage regulator
5. 5. XCF02S, onboard serial FLASH memory, for storing code
6. 6. Power indicator
7. 7. LEDs
8. 8. FPGA initialization indicator
9. 9. Reset button
10. 10. nCONFIG button: for re-configuring the FPGA chip, the equivalent of power reseting
11. 11. Power switch
12. 12. 50M active crystal oscillator
13. 13. 5V DC jack
14. 14. JTAG interface: for debugging/programming
15. 15. FPGA pins expander, VCC, GND and all the I/O ports are accessible on expansion connectors for further expansion
16. 16. LED jumpers

Programming - Debugging Interface

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

JTAG Signal Names & Description

JTAG Header Pinout

Development Resources

Core3S250E FPGA core board comes with a User Guide CD including development resources listed as below:

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

Wiki: www.waveshare.com/wiki/Core3S250E

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