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Honored Contributor
Honored ContributorALT_INBUF_DIFF in cycloneII
is possible in cycloneII device use 2 pins INPUT for differential rs422 signal? In quartus2 the differential buffer for cyclone2 is not allowed!
Altera_ForumHonored Contributor
Honored Contributorok.. i try it!
the vccio is connected at 3.3V power supply.. in quartus2 i set 2 pins in lvds mode.. all other pins will be set to 2.5V (for delete fitter error in compilation). if i set other out-pins at 2.5V, but i connect vccio at 3,3V, can i demage the device? ------------------ "I don't know what happens when you set Vccio to 2V5 " can i set in quartus the value of Vccio power? where? best regards
