K述列 多 【例95】 SIGNAL a, b, c: STD LOGIC VECTOR (1 To 3) FoR n IN 1 To 3 LOOP a(n)<=b(n) AND c(n)i END LOOP: 此段程序等效于顺序执行以下三个信号赋值操作: a(1)<=b(1)ANDc(1); a(2)<=b(2)ANDc(2) a(3)<=b(3)ANDc(3);KX 康芯科技 【例9-5】 SIGNAL a, b, c : STD_LOGIC_VECTOR (1 TO 3); ... FOR n IN 1 To 3 LOOP a(n) <= b(n) AND c(n); END LOOP; 此段程序等效于顺序执行以下三个信号赋值操作： a(1)<=b(1) AND c(1); a(2)<=b(2) AND c(2); a(3)<=b(3) AND c(3);