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[/] [or1k/] [branches/] [mp3_stable/] [mp3/] [lib/] [xilinx/] [unisims/] [LUT3.v] - Blame information for rev 1765

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1 266 lampret
// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/LUT3.v,v 1.1.1.1 2001-11-04 18:59:48 lampret Exp $
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/*
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FUNCTION        : 3-inputs LUT
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*/
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`timescale  100 ps / 10 ps
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`celldefine
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module LUT3 (O, I0, I1, I2);
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    parameter INIT = 8'h00;
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    input I0, I1, I2;
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    output O;
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    wire out0, out1, out;
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    lut3_mux4 (out1, INIT[7], INIT[6], INIT[5], INIT[4], I1, I0);
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    lut3_mux4 (out0, INIT[3], INIT[2], INIT[1], INIT[0], I1, I0);
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    lut3_mux4 (out, 1'b0, 1'b0, out1, out0, 1'b0, I2);
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    buf b3 (O, out);
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    specify
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        (I0 *> O) = (1, 1);
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        (I1 *> O) = (1, 1);
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        (I2 *> O) = (1, 1);
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    endspecify
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endmodule
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`endcelldefine
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primitive lut3_mux4 (O, d3, d2, d1, d0, s1, s0);
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  output O;
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  input d3, d2, d1, d0;
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  input s1, s0;
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  table
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    // d3  d2  d1  d0  s1  s0 : O;
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       ?   ?   ?   1   0   0  : 1;
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       ?   ?   ?   0   0   0  : 0;
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       ?   ?   1   ?   0   1  : 1;
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       ?   ?   0   ?   0   1  : 0;
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       ?   1   ?   ?   1   0  : 1;
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       ?   0   ?   ?   1   0  : 0;
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       1   ?   ?   ?   1   1  : 1;
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       ?   ?   0   0   0   x  : 0;
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       ?   ?   1   1   0   x  : 1;
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       1   1   ?   ?   1   x  : 1;
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       ?   0   ?   0   x   0  : 0;
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       ?   1   ?   1   x   0  : 1;
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       1   ?   1   ?   x   1  : 1;
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       1   1   1   1   x   x  : 1;
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  endtable
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endprimitive

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