yosys/techlibs/ecp5/lutrams.txt

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bram $__TRELLIS_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/view_document?document_id=51556
attr_icase 1
match $__TRELLIS_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