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Altera_Forum
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10 years ago

How can i save a constant value on a FPGA for a comparison?

Hello, i'm searching for a easy way to save a constant value (std_logic_vector) on a FPGA. For example, i need to save something like that: 101000101010010, because i want to compare two bitst...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Reemerge that any change to your code will modify the place and route. I assume these ring oscillators are made using logic? So any changes will modify their behaviour.

The only way to force this will be to lock the ring oscillators in place (which will be a get long and tedious task) or pre compile the ring oscillators into a a post p&r netlist.

Why do you hate doing oscillators anyway?