diff options
Diffstat (limited to 'techlibs/xilinx/abc_xc7.box')
| -rw-r--r-- | techlibs/xilinx/abc_xc7.box | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/techlibs/xilinx/abc_xc7.box b/techlibs/xilinx/abc_xc7.box index 3789ff350..16040662c 100644 --- a/techlibs/xilinx/abc_xc7.box +++ b/techlibs/xilinx/abc_xc7.box @@ -1,4 +1,5 @@ # Max delays from https://github.com/SymbiFlow/prjxray-db/blob/34ea6eb08a63d21ec16264ad37a0a7b142ff6031/artix7/timings/CLBLL_L.sdf +# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf # NB: Inputs/Outputs must be ordered alphabetically # (with exceptions for carry in/out) @@ -14,6 +15,7 @@ F7MUX 1 1 3 1 MUXF8 2 1 3 1 104 94 273 +# Box containing MUXF7.[AB] + MUXF8 # Inputs: I0 I1 I2 I3 S0 S1 # Outputs: O $__MUXF78 3 1 6 1 @@ -56,3 +58,44 @@ RAM64X1D 6 0 15 2 RAM128X1D 7 0 17 2 - - - - - - - - 1009 998 839 774 605 494 450 - - 1047 1036 877 812 643 532 478 - - - - - - - - - - + +# Box to emulate async behaviour of FD[CP]* +# Inputs: A S +# Outputs: Y +$__ABC_ASYNC 1000 0 2 1 +0 764 + +# The following FD*.{CE,R,CLR,PRE) are offset by 46ps to +# reflect the -46ps Tsu +# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L237-L251 +# https://github.com/SymbiFlow/prjxray-db/blob/23c8b0851f979f0799318eaca90174413a46b257/artix7/timings/slicel.sdf#L265-L277 + +# Inputs: C CE D R \$pastQ +# Outputs: Q +FDRE 1001 1 5 1 +0 151 0 446 0 + +# Inputs: C CE D R \$pastQ +# Outputs: Q +FDRE_1 1002 1 5 1 +0 151 0 446 0 + +# Inputs: C CE CLR D \$pastQ +# Outputs: Q +FDCE 1003 1 5 1 +0 151 806 0 0 + +# Inputs: C CE CLR D \$pastQ +# Outputs: Q +FDCE_1 1004 1 5 1 +0 151 806 0 0 + +# Inputs: C CE D PRE \$pastQ +# Outputs: Q +FDPE 1005 1 5 1 +0 151 0 806 0 + +# Inputs: C CE D PRE \$pastQ +# Outputs: Q +FDPE_1 1006 1 5 1 +0 151 0 806 0 |