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- flash has access time of 25 ns

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git-svn-id: http://moon:8086/svn/vhdl/trunk@548 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-10-28 10:43:27 +00:00
parent 1d72b92b46
commit 6da937fe58
1 changed files with 5 additions and 5 deletions
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lib/CPUs/MIPS/src/tb_mips_top.vhd
+5 -5
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@@ -403,21 +403,21 @@ FLASH_READ:
index := index + 1;
end loop;
else
flash_d <= (others => 'Z') after 10 ns;
flash_d <= (others => 'Z') after 25 ns;
index := to_integer(flash_a(FLASH_ADDR_WIDTH-1 downto 2));
if flash_oe_n = '0' then
if flash_cs_n = '0' then
if flash_be_n(0) = '0' then
flash_d(7 downto 0) <= flash_data(index)(7 downto 0) after 10 ns;
flash_d(7 downto 0) <= flash_data(index)(7 downto 0) after 25 ns;
end if;
if flash_be_n(1) = '0' then
flash_d(15 downto 8) <= flash_data(index)(15 downto 8) after 10 ns;
flash_d(15 downto 8) <= flash_data(index)(15 downto 8) after 25 ns;
end if;
if flash_be_n(2) = '0' then
flash_d(23 downto 16) <= flash_data(index)(23 downto 16) after 10 ns;
flash_d(23 downto 16) <= flash_data(index)(23 downto 16) after 25 ns;
end if;
if flash_be_n(3) = '0' then
flash_d(31 downto 24) <= flash_data(index)(31 downto 24) after 10 ns;
flash_d(31 downto 24) <= flash_data(index)(31 downto 24) after 25 ns;
end if;
end if;
end if;