简单的12位寄存器.txt
来自「对微电子的学习和FPGA的开发设计很有帮助」· 文本 代码 · 共 25 行
TXT
25 行
-- User-Defined Macrofunction
-- Download from: http://www.fpga.com.cn
Library IEEE ;
use IEEE.std_logic_1164.all ;
ENTITY reg12 IS
PORT(
d : IN BIT_VECTOR(11 DOWNTO 0);
clk : IN BIT;
q : OUT BIT_VECTOR(11 DOWNTO 0));
END reg12;
ARCHITECTURE a OF reg12 IS
BEGIN
PROCESS
BEGIN
WAIT UNTIL clk = '1';
q <= d;
END PROCESS;
END a;
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