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Diffstat (limited to 'fpga/usrp3/lib/dsp/clip_reg.v')
-rw-r--r-- | fpga/usrp3/lib/dsp/clip_reg.v | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/fpga/usrp3/lib/dsp/clip_reg.v b/fpga/usrp3/lib/dsp/clip_reg.v new file mode 100644 index 000000000..b46491528 --- /dev/null +++ b/fpga/usrp3/lib/dsp/clip_reg.v @@ -0,0 +1,36 @@ +// -*- verilog -*- +// +// USRP - Universal Software Radio Peripheral +// +// Copyright (C) 2008 Matt Ettus +// +// SPDX-License-Identifier: LGPL-3.0-or-later +// + +// + +// Clipping "macro", keeps the bottom bits + +module clip_reg + #(parameter bits_in=0, + parameter bits_out=0, + parameter STROBED=1'b0) + (input clk, + input reset, + input [bits_in-1:0] in, + output reg [bits_out-1:0] out, + input strobe_in, + output reg strobe_out); + + wire [bits_out-1:0] temp; + + clip #(.bits_in(bits_in),.bits_out(bits_out)) clip (.in(in),.out(temp)); + + always @(posedge clk) strobe_out <= reset ? 1'b0 : strobe_in; + + always @(posedge clk) + if(strobe_in | ~STROBED) + out <= temp; + +endmodule // clip_reg + |