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Altera_Forum
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15 years ago

Altera FIFO Megafunction

Hi, i've got a question! How do you work with the altera FIFO megafunction? I don't know how to handle the FIFO, because the status signals are updated one or two clock cycles after reading/wri...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

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Hi,

To read fast and simple from the fifo( do this with underflow protection and show ahead ON):

When read_state =>

Read<='1';

if read='1' and empty='0' then

....

if (done_condition_variable='1') then

read<='0';

state<=other_state:

end if;

end if:

--- Quote End ---

This code makes very little sense without context, and you're reply to a thread that is 6 years old!