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Diffstat (limited to 'techlibs/ice40/abc9_hx.box')
| -rw-r--r-- | techlibs/ice40/abc9_hx.box | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/techlibs/ice40/abc9_hx.box b/techlibs/ice40/abc9_hx.box new file mode 100644 index 000000000..31e743669 --- /dev/null +++ b/techlibs/ice40/abc9_hx.box @@ -0,0 +1,17 @@ +# From https://github.com/cliffordwolf/icestorm/blob/be0bca0/icefuzz/timings_hx8k.txt + +# NB: Box inputs/outputs must each be in the same order +# as their corresponding module definition +# (with exceptions detailed below) + +# Box 1 : $__ICE40_CARRY_WRAPPER (private cell used to preserve +# SB_LUT4+SB_CARRY) +# (Exception: carry chain input/output must be the +# last input and output and the entire bus has been +# moved there overriding the otherwise +# alphabetical ordering) +# name ID w/b ins outs +$__ICE40_CARRY_WRAPPER 1 1 5 2 +#A B I0 I3 CI +400 379 449 316 316 # O +259 231 - - 126 # CO |