mirror of https://github.com/YosysHQ/yosys.git
Add Tsu offset to boxes, and comments
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@ -14,6 +14,7 @@ F7MUX 1 1 3 1
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MUXF8 2 1 3 1
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104 94 273
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# Box containing MUXF7.[AB] + MUXF8
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# Inputs: I0 I1 I2 I3 S0 S1
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# Outputs: O
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$__MUXF78 3 1 6 1
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@ -57,37 +58,41 @@ RAM128X1D 7 0 17 2
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- - - - - - - - 1009 998 839 774 605 494 450 - -
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1047 1036 877 812 643 532 478 - - - - - - - - - -
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# Box to emulate async behaviour of FD[CP]*
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# Inputs: A S
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# Outputs: Y
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$__ABC_ASYNC 1000 0 2 1
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0 764
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# The following FD*.{CE,R,CLR,PRE) are offset by 46ps to
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# reflect the -46ps Tsu
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# Inputs: C CE D R \$pastQ
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# Outputs: Q
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FDRE 1001 1 5 1
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0 109 0 358 0
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0 155 0 404 0
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# Inputs: C CE D R \$pastQ
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# Outputs: Q
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FDRE_1 1002 1 5 1
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0 109 0 358 0
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0 155 0 404 0
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# Inputs: C CE CLR D \$pastQ
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# Outputs: Q
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FDCE 1003 1 5 1
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0 109 764 0 0
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0 155 810 0 0
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# Inputs: C CE CLR D \$pastQ
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# Outputs: Q
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FDCE_1 1004 1 5 1
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0 109 764 0 0
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0 155 810 0 0
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# Inputs: C CE D PRE \$pastQ
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# Outputs: Q
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FDPE 1005 1 5 1
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0 109 0 764 0
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0 155 0 810 0
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# Inputs: C CE D PRE \$pastQ
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# Outputs: Q
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FDPE_1 1006 1 5 1
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0 109 0 764 0
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0 155 0 810 0
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