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Altera_Forum
Honored Contributor
10 years agoQuestion about input delay
In quartus, on assignment editor pane, what does the io feature "programmable input delay from pin to internal cells" mean? in the Value column, if can i enter any integer number? for example ,if ...
Altera_Forum
Honored Contributor
10 years agoI thought the GPIO was for Arria 10 only, but maybe it was ported back to older families. I've used assignments in the assignment editor before. Some families have multiple delay chains on the input and output path. So you might see something like D5 Delay Chain. The actual delay chains are shown in the handbook I/O section, while the values allowed and delays they incur are in the datasheet.