Writing a verilog code for a crossbar switch

prasan61 said:

Hi,I need a verilog code for a banyan switch...
if there are two inputs say x1 and x2
and two outputs say y1 and y2
there is a select line s
for s=0 i must send the data through upper port
for s=1 i must send data through lower port.

Click to expand...

prasan61 said:

Hi,I need a verilog code for a banyan switch...
if there are two inputs say x1 and x2
and two outputs say y1 and y2
there is a select line s
for s=0 i must send the data through upper port
for s=1 i must send data through lower port.

Click to expand...

Code Verilog - [expand]
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module crbar(y1,y2,x1,x2,s);
output y1,y2;[/CODE]
input x1,x2;
input s;
 
assign y1=((~s&x1)|(s&x2));
 
assign y2=((~s&x2)|(s&x1));
 
endmodule

Yoga Nanda said:

---

Code Verilog - [expand]
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module crbar(y1,y2,x1,x2,s);
output y1,y2;[/CODE]
input x1,x2;
input s;
 
assign y1=((~s&x1)|(s&x2));
 
assign y2=((~s&x2)|(s&x1));
 
endmodule

---

Click to expand...

assign y1 = ~s1 & x1 | ~s2 & x2;
assign y2 = s1 & x1 | s2  & x2;