techlibs/nexus/lutrams.txt

   1 bram $__NEXUS_DPR16X4
   2   init 1
   3   abits 4
   4   dbits 4
   5   groups 2
   6   ports  1 1
   7   wrmode 0 1
   8   enable 0 1
   9   transp 0 0
  10   clocks 0 1
  11   clkpol 0 2
  12 endbram
  13
  14 # The syn_* attributes are described in:
  15 # https://www.latticesemi.com/-/media/LatticeSemi/Documents/Tutorials/AK/LatticeDiamondTutorial311.ashx
  16 attr_icase 1
  17
  18 match $__NEXUS_DPR16X4
  19     attribute !syn_ramstyle syn_ramstyle=auto syn_ramstyle=distributed
  20     attribute !syn_romstyle syn_romstyle=auto
  21     attribute !ram_block
  22     attribute !rom_block
  23     attribute !logic_block
  24   make_outreg
  25   min wports 1
  26 endmatch