1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
|
//
// Copyright 2011 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
module decoder_3_8
(input [2:0] sel,
output reg [7:0] res);
always @(sel or res)
begin
case (sel)
3'b000 : res = 8'b00000001;
3'b001 : res = 8'b00000010;
3'b010 : res = 8'b00000100;
3'b011 : res = 8'b00001000;
3'b100 : res = 8'b00010000;
3'b101 : res = 8'b00100000;
3'b110 : res = 8'b01000000;
default : res = 8'b10000000;
endcase // case(sel)
end // always @ (sel or res)
endmodule // decoder_3_8
|