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Altera_Forum's avatar
Altera_Forum
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18 years ago

PISO and SIPO

Hello, I need to implement parallel-to-serial and serial-to-parallel blocks. Is there any megawizard/function that does this in the Quartus? and if not, how can I do it efficiently using v...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
18 years ago

Hello,

you can use the LPM_SHIFTREG Megafunction or elementary HDL contsructs like this 

always @(posedge clk)
  begin
    sr <= { sr, si}; // left shift, serial input
  end

Regards,

Frank