-- Oscilador com entrada de 27MHz e sa?da d (p/ nPeriodos )
library IEEE; use IEEE.std_logic_1164.all;
entity Osc_1Hz is GENERIC (nPeriodo GENERIC (nPeriodos: s: integer := 2700000 27000000); 0); -- 27000 27000 ? para 1kHz; 270 ? para 100kHz; ... port (clk_27: in std_logic; relogio: out std_logic); end Osc_1Hz;
architecture Osc of Osc_1Hz is --constant nPeriodo: integer := 28; constant mPe constant mPeriodo riodo:: integer := (nPeriodo (nPeriodos/2); s/2); -- meio per?odo: onda sim?trica (ou quase). signal resto:
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