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Altera_Forum
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12 years ago

ALTDDIO Megafunction question

Hi all! I'm working with ALTDDIO megafunction. I use DE2-115 Dev Board which means Cyclone IV is an FPGA I'm dealing with. As I understand then I use ALTDDIO_IN Quartus should implement t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Cyclone IV doesn't have dedicated DDR input registers. Review the DDR Input Registers paragraph in the device manual.