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Diffstat (limited to 'testsuite/examples/dff/negadff.vhdl')
-rw-r--r-- | testsuite/examples/dff/negadff.vhdl | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/testsuite/examples/dff/negadff.vhdl b/testsuite/examples/dff/negadff.vhdl new file mode 100644 index 0000000..5f1fb0a --- /dev/null +++ b/testsuite/examples/dff/negadff.vhdl @@ -0,0 +1,23 @@ +library ieee; +use ieee.std_logic_1164.all; + +entity negadff is + port( + clk : in std_logic; + rst : in std_logic; + d : in std_logic; + q : out std_logic + ); +end entity; + +architecture arch of negadff is +begin + process (clk, rst) + begin + if rst = '1' then + q <= '0'; + elsif falling_edge(clk) then + q <= d; + end if; + end process; +end architecture; |