- interface change to rams

git-svn-id: http://moon:8086/svn/vhdl/trunk@1111 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
2015-05-17 17:24:05 +00:00
parent 5e38a6ff43
commit 228e893904
19 changed files with 201 additions and 291 deletions
+4 -7
View File
@@ -38,9 +38,8 @@ entity dpram_1w1r2c_ro is
(
clk_a : in STD_LOGIC;
clk_b : in STD_LOGIC;
en_a : in STD_LOGIC;
en_b : in STD_LOGIC;
we_a : in STD_LOGIC;
re_b : in STD_LOGIC;
addr_a : in unsigned (addr_width-1 downto 0);
addr_b : in unsigned (addr_width-1 downto 0);
din_a : in unsigned (data_width-1 downto 0);
@@ -59,10 +58,8 @@ begin
process (clk_a)
begin
if clk_a'event and clk_a = '1' then
if en_a = '1' then
if we_a = '1' then
RAM(to_integer(addr_a)) <= din_a;
end if;
if we_a = '1' then
RAM(to_integer(addr_a)) <= din_a;
end if;
end if;
end process;
@@ -70,7 +67,7 @@ end process;
process (clk_b)
begin
if clk_b'event and clk_b = '1' then
if en_b = '1' then
if re_b = '1' then
dout_b <= RAM(to_integer(addr_b));
end if;
end if;