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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. 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
Programming - Debugging Interface
The Core3S250E FPGA core board integrates JTAG interface for programming/debugging.
JTAG Signal Names & Description
| Pin | Signal Name | Description |
|---|---|---|
| 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

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



Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)







