esTc 设计中 (3 Select Signal Assignments The output get value when matching with the selected item Entity testl is Name value ,Ⅲ por{a,b:Ⅶinbi; sel, in bit c: out bit); architecture testl body of testl is/b end testl; begin WITH Sel select c=aHBN"2-逗号心 b WHEN“0,一分号 end testl body,设计中心 (3) Select Signal Assignments • The output get value when matching with the selected item Entity test1 is port (a, b: in bit; sel : in bit; c : out bit); end test1; architecture test1_body of test1 is begin WITH sel SELECT c <= a WHEN ‘1’, --逗号 b WHEN ‘0’; --分号 end test1_body;