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Added adff2dff.v (for techmap -share_map)

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Clifford Wolf 2014-08-07 16:14:38 +02:00
parent d259abbda2
commit 312ee00c9e
2 changed files with 32 additions and 1 deletions
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techlibs/common/adff2dff.v Normal file
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(* techmap_celltype = "$adff" *)
module adff2dff (CLK, ARST, D, Q);
parameter WIDTH = 1;
parameter CLK_POLARITY = 1;
parameter ARST_POLARITY = 1;
parameter ARST_VALUE = 0;
input CLK, ARST;
input [WIDTH-1:0] D;
output reg [WIDTH-1:0] Q;
wire reg [WIDTH-1:0] NEXT_Q;
wire [1023:0] _TECHMAP_DO_ = "proc;;";
always @*
if (ARST == ARST_POLARITY)
NEXT_Q <= ARST_VALUE;
else
NEXT_Q <= D;
if (CLK_POLARITY)
always @(posedge CLK)
Q <= NEXT_Q;
else
always @(negedge CLK)
Q <= NEXT_Q;
endmodule