diff options
Diffstat (limited to 'techlibs/ice40/abc_hx.box')
| -rw-r--r-- | techlibs/ice40/abc_hx.box | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/techlibs/ice40/abc_hx.box b/techlibs/ice40/abc_hx.box new file mode 100644 index 000000000..f8e12b527 --- /dev/null +++ b/techlibs/ice40/abc_hx.box @@ -0,0 +1,17 @@ +# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_hx8k.txt + +# NB: Inputs/Outputs must be ordered alphabetically +# (with exceptions for carry in/out) + +# Inputs: I0 I1 CI +# Outputs: CO +# (NB: carry chain input/output must be last +# input/output and have been moved there +# overriding the alphabetical ordering) +SB_CARRY 1 1 3 1 +259 231 126 + +# Inputs: I0 I1 I2 I3 +# Outputs: O +SB_LUT4 2 1 4 1 +449 400 379 316 |