+= heartbeat
[raggedstone] / heartbeat / source / pfs.vhd
CommitLineData
95764a11 1--+-----------------------------------------+
2--| pfs |
3--+-----------------------------------------+
4
5library ieee;
6use ieee.std_logic_1164.all;
7
8entity pfs is
9port (
10 clk : in std_logic;
11 a : in std_logic;
12 y : out std_logic
13
14);
15end pfs;
16
17architecture rtl of pfs is
18
19 signal a_s : std_logic;
20
21begin
22
23 SYNCP: process( clk, a )
24 begin
25
26 if ( rising_edge(clk) ) then
27 a_s <= a;
28 end if;
29
30 end process SYNCP;
31
32 y <= a and (not a_s);
33
34end rtl;
35
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