Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Cyclone III 3C120 Development Board, the other Clock!

Have one cuestion when load the NIOS processor inside the FPGA only appear available the clock of 50 Mhz, but the board have another of 125 MHz why can't use that?:) On-board clocking circui...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

There is no risk. It is indeed an oscillator supposed to feed the PHY but you can also use it for other things in your FPGA. Alternatively you can also use a pll on the 50MHz clock to generate other frequencies