FPGA Based Classic HP Core
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04-02-2014, 07:59 PM
Post: #16
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RE: FPGA Based Classic HP Core
(04-02-2014 10:11 AM)eried Wrote: Cool! thanks. I've seen these FPGA boards and I'm very tempted to get one -- seems like you get a lot for your money. I'm going to refer to the ebay link you posted, specifically the picture of the fpga board, Core3S250E. See items 5 (XCF02S flash) and 14 (JTAG interface connector)? The XCF02S flash holds the FPGA's configuration (i.e. your digital design) and the FPGA is loaded with it on power up. You need a way to program this flash and, unlike the papilio boards, you need to use the JTAG connector to program the flash. You will need to use a JTAG programming "pod" that is compatible with Xilinx's programming software tool. A real Xilinx programming pod is expensive -- about $200, I think. The same seller has this Xilinx compatible programming pod -- you will need something like this. If you go this route, I would recommend the larger FPGA version, with the XC3S500E FPGA. It would allow you to do more once you get past the basics (like playing with the many available free soft processor cores). However, my HP Calculator Core easily fits in the smaller version. Brian |
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