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eb001/tb/vtb/gen_dffr.v
RuigeLee de5eb461f6 sim env
2023-07-17 09:26:20 +08:00

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/*
Copyright (c) 2020 - 2023 Wuhan University of Technology <295054118@whut.edu.cn>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
`timescale 1 ns / 1 ps
module gen_dffr # (
parameter DW = 32,
parameter rstValue = {DW{1'b0}}
)
(
input [DW-1:0] dnxt,
output [DW-1:0] qout,
input CLK,
input RSTn
);
reg [DW-1:0] qout_r;
always @(posedge CLK or negedge RSTn) begin
if ( ~RSTn )
qout_r <= #1 rstValue;
else
qout_r <= #1 dnxt;
end
assign qout = qout_r;
endmodule