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-rw-r--r--fpga/usrp2/control_lib/decoder_3_8.v21
1 files changed, 21 insertions, 0 deletions
diff --git a/fpga/usrp2/control_lib/decoder_3_8.v b/fpga/usrp2/control_lib/decoder_3_8.v
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+
+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
+