我创建了一个实体,其中 quartus 成功识别了 RAM,并为其实例化了一个 RAM 宏功能。如果我可以从文件初始化那个 RAM,那就太好了。我找到了制作此类文件(.mif 文件)的教程。现在我已经创建了那个文件,我不知道如何让 quartus 初始化那个模块。任何帮助表示赞赏。
这是我的 RAM 实体:
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
entity RAM is
port (
clk: in std_logic;
we: in std_logic;
data_in: in std_logic_vector (7 downto 0);
read_addr: in integer range 0 to 65535;
write_addr: in integer range 0 to 65535;
data_out: out std_logic_vector (7 downto 0)
);
end entity RAM;
architecture RAM_arch of RAM is
type memory is array (65535 downto 0) of std_logic_vector (7 downto 0);
signal content: memory;
begin
process(clk)
begin
if (RISING_EDGE(clk)) then
if (we = '1') then
content(write_addr) <= data_in;
end if;
data_out <= content(read_addr);
end if;
end process;
end architecture;