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Altera_Forum
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13 years ago

State of Unused I/O pins and design of isolation filter for Cyclone IV FPGA

Hello there, Reference: Cyclone 4 EP4CE10 FPGA I m developing a prototype board with minimum peripheral say 4 slide switches, and 4 LEDs, with a 40pin GPIO, with program persistance throug...
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Altera_Forum
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12 years ago

For the 2nd question. you can use ferrite bead BLM21PG331SN1 and 10uF for isolation filter. You can refer the altera pcie kit schematic for more info.