Brand Waveshare Model Core3S250E Quantity 1 Piece Color Green Material CCL + PCB board Chipset XC3S250E English Manual / Spec Yes Other Features Core3S250E is an FPGA core board that features an XC3S250E device onboard supports further expansion. Onboard 1 PC 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; 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; AMS1117-3.3 3.3V voltage regulator; AMS1117-2.5 2.5V voltage regulator; AMS1117-1.2 1.2V voltage regulator; XCF02S onboard serial FLASH memory for storing code; Power indicator: LEDs; FPGA initialization indicator Reset button; nCONFIG button: for re-configuring the FPGA chip the equivalent of power resetting; Power switch; 50M active crystal oscillator; DC 5V jack; JTAG interface: for debugging / programming; FPGA pins expander VCC GND and all the I/O ports are accessible on expansion connectors for further expansion; LED jumpers; Note: 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; Development Resources; Core3S250E FPGA core board comes with a User Guide CD including development resources listed as below: Related software (Xilinx ISE 12 - supports Windows XP / Win 7 doesn't support Win8); Demo code (Verilog VHDL); Schematic (PDF); FPGA development documentations Packing List 1 x Core3S250E core board 1 x USB power cable (95cm) 1 x User guide CD