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synth_nexus: Initial implementation

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2020-10-01 11:15:54 +01:00
parent f9ed9786bf
commit 4d584d9319
30 changed files with 12528 additions and 0 deletions
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26
techlibs/nexus/lutrams.txt Normal file
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bram $__NEXUS_DPR16X4
init 1
abits 4
dbits 4
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
# The syn_* attributes are described in:
# https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx
attr_icase 1
match $__NEXUS_DPR16X4
attribute !syn_ramstyle syn_ramstyle=auto syn_ramstyle=distributed
attribute !syn_romstyle syn_romstyle=auto
attribute !ram_block
attribute !rom_block
attribute !logic_block
make_outreg
min wports 1
endmatch