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Hi, All!
I use FPGA EP4CGX50. Can I different supply power to banks CLKIN3A, CLKIN3B and CLKIN8A (2.5V and 3.3 V)?Link copiado
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Short answer - Yes. However, there are a few restrictions...
The voltages you specify suggest you'll have at least on single ended clock. From the 'Recommended Operating Conditions for Cyclone IV GX Devices' table in the data sheet (https://www.altera.com/content/dam/altera-www/global/en_us/pdfs/literature/hb/cyclone-iv/cyiv-53001.pdf): --- Quote Start --- The CLKIN pins in I/O Banks 3B and 8B can support single-ended I/O standard when the pins are used to clock left PLLs in non-transceiver applications. --- Quote End --- For future reference - Quartus will (usually) answer these questions for you. Try it by putting a small project together, run it through the tools and look at the results. Quartus will always tell you yes or no. Cheers, Alex
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