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Altera_Forum's avatar
Altera_Forum
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16 years ago

Output delay with or without clock shift

Here is a very simple example as attached. The output delays are set as follows. set_output_delay -add_delay -max -clock [get_clocks {clk_pin}] 2.100 [get_ports {q[0]}] set_output_delay -ad...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Answer to my previous question, "Do you think that Quartus-II would automatically assigns fast I/O registers to the I/Os on the most critical paths when and where necessary?", is Yes.

From Compilation report - Fitter - Resource Section - Bidir Pins, Quartus-II would automatically assigns fast I/O registers and fast Output enable registers to the bidir I/Os on the most critical paths.

I would like to close this thread. I really appreciate your time, patience and efforts. Thank you very much indeed once again. Alll the best.