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CLa_R's avatar
CLa_R
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

Cyclone IV Analog and PLL power supply

HI! In my project (with a Cyclone IV EP4CE10 FPGA) I am using only the digital IO pins for input and output. The inside circuit (described with schematic and VHDL), should use only combinator and se...
CalvinJoaz_P_Intel's avatar
CalvinJoaz_P_Intel
Icon for Contributor rankContributor
7 years ago

Hi CLa R ,

VCCA - Analog power for PLLs[1..8]. All VCCA pins must be powered and all VCCA pins must be powered up and powered down at the same time even if not all the PLLs are used.

VCCD_PLL - Digital power for PLLs[1..8]. The designer must power up these pins, even if the PLL is not used.

Thanks.