接上题，应用if语句描述该译码器的功能，下列代码中应用正确的是（ ）。
选项：
A:always@(A,G1,G2,G3) begin if (G1==0) Y=8’b1111_1111; else if(G2) Y=8’b1111_1111; else if(G3) Y=8'b1111_1111; else... ...end;
B:always@* begin if (G1==0) Y=8’b1111_1111; else if(G2 | G3) Y=8’b1111_1111; else... ...end;
C:reg s;always@(A ) begin s<=G2 | G3; if (G1==0) Y=8’b1111_1111; else if(s) Y=8’b1111_1111; else... ...end;
D:wire s;always@(*) begin s<=G2 | G3; if (G1==0) Y<=8’b1111_1111; else if(s) Y<=8’b1111_1111; else... ...end
发布时间：2024-06-22 23:36:42
module decoder3_8(G1,Y,G2,A,G3);input G1,G2,G3;input [2:0] A;output reg [7:0] Y;... ... 选项： A、always@(A,G1,G2,G3) begin if (G1==0) Y=8’b1111_1111; else if(G2) Y=8’b1111_1111; else if(G3) Y=8'b1111_1111; else... ...end B、always@* begin if (G1==0) Y=8’b1111_1111; else if(G2 | G3) Y=8’b1111_1111; else... ...end C、reg s;always@(A ) begin s<=G2 | G3; if (G1==0) Y=8’b1111_1111; else if(s) Y=8’b1111_1111; else... ...end D、wire s;always@(*) begin s<=G2 | G3; if (G1==0) Y<=8’b1111_1111; else if(s) Y<=8’b1111_1111; else... ...end
