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authorClifford Wolf <clifford@clifford.at>2015-09-16 09:28:37 +0200
committerClifford Wolf <clifford@clifford.at>2015-09-16 09:28:37 +0200
commitc5352f45c3604b60e0bec7a9219d2c139d276573 (patch)
tree8a0203d00c54c36cbc13d2e74a72abd480a86ec5 /techlibs/greenpak4/cells_sim.v
parente7c018e5d14c3c609669ab514a7e9111ff006022 (diff)
Added GreenPAK4 skeleton
Diffstat (limited to 'techlibs/greenpak4/cells_sim.v')
-rw-r--r--techlibs/greenpak4/cells_sim.v25
1 files changed, 25 insertions, 0 deletions
diff --git a/techlibs/greenpak4/cells_sim.v b/techlibs/greenpak4/cells_sim.v
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+++ b/techlibs/greenpak4/cells_sim.v
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+module DFF(input D, CLK, nRSTZ, nSETZ, output reg Q);
+ always @(posedge CLK, negedge nRSTZ, negedge nSETZ) begin
+ if (!nRSTZ)
+ Q <= 1'b0;
+ else if (!nSETZ)
+ Q <= 1'b1;
+ else
+ Q <= D;
+ end
+endmodule
+
+module LUT2(input IN0, IN1, output OUT);
+ parameter [3:0] INIT = 0;
+ assign OUT = INIT[{IN1, IN0}];
+endmodule
+
+module LUT3(input IN0, IN1, IN2, output OUT);
+ parameter [7:0] INIT = 0;
+ assign OUT = INIT[{IN2, IN1, IN0}];
+endmodule
+
+module LUT4(input IN0, IN1, IN2, IN3, output OUT);
+ parameter [15:0] INIT = 0;
+ assign OUT = INIT[{IN3, IN2, IN1, IN0}];
+endmodule