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Cursor/Libs/Sequential/hdl/counterUpDownEnable_RTL.vhd
2021-11-24 10:50:51 +01:00

25 lines
513 B
VHDL

ARCHITECTURE RTL OF counterUpDownEnable IS
signal sCountOut: unsigned(countOut'range);
BEGIN
count: process(reset, clock)
begin
if reset = '1' then
sCountOut <= (others => '0');
elsif rising_edge(clock) then
if enable = '1' then
if up = '1' then
sCountOut <= sCountOut + 1;
elsif down = '1' then
sCountOut <= sCountOut - 1;
end if;
end if;
end if;
end process count;
countOut <= sCountOut after delay;
END ARCHITECTURE RTL;