Selected Signal Assignment

STD_LOGIC data type

clause necessary?

sel has a STD_LOGIC data type

LIBRARY ieee;

USE ieee.std_logic_1164.all;

ENTITY cmpl_sig IS

PORT ( a, b, sel : IN STD_LOGIC;

z : OUT STD_LOGIC;

END cmpl_sig;

ARCHITECTURE logic OF cmpl_sig IS

BEGIN

-- selected signal assignment

WITH sel SELECT

z <= a WHEN '0',

b WHEN '1',

'0' WHEN OTHERS;

END logic;