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微處理器 - Lattice iCE40LP1K-CM36 (iCESugar-nano) - VHDL - Button

---

main.vhd

library ieee;
use ieee.std_logic_1164.all;
   
entity main is
    port(
        btn : in bit;
        led : out bit
    );
end main;
   
architecture logic of main is
begin
    led <= not btn;
end logic;

main.pcf

set_io led B6
set_io btn E3

完成