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Implementation details ----- I use a Digilent Nexys2 board with a Spartan 3E 500K. This code should probably work on most Xilinx chips. I have set the loop unrolling to minimum (5) by default, decrease this number for bigger chips. In my case the LUT utilization is about 60%. The 7-segment display is used to indicate a golden nonce. (Raw bytes, not legible numbers, but usable for a bitwise ... 8 upvotes, 5 comments. Posted in the ECEComponentExchange community. Digilent Nexys 2 500K FPGA 5.0 5 1 189 [14, 9] Monarch BPU 600 C ASIC 600000.0 350 1714 2196 [15, 9] Block Erupter Sapphire ASIC 333.0 2.55 130 34.99 [16, 9] T able 1: Examples of Bitcoin-mining ... Nexys2 500K Xilinx Spartan-3E FPGA Development Kit 5.0 out of 5 stars 1 rating. Currently unavailable. We don't know when or if this item will be back in stock. Specifications for this item. Brand Name: SeeZoom Part Number: 5 UNSPSC Code: 52160000 See more Customers also shopped for ... INFO:iMPACT - Digilent Plugin: opening device: "Nexys2", SN:10054D236487 ERROR:iMPACT - Digilent Plugin: failed to open device (DmgrOpen, erc = 3072). AutoDetecting cable. Please wait. *** WARNING ***: When port is set to auto detect mode, cable speed is set to default 6 MHz regardless of explicit arguments supplied for setting the baud rates PROGRESS_START - Starting Operation. Connecting to ...

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