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yosys/techlibs/xilinx/lut6_lutrams.txt
Marcin Kościelnicki 89adef352f xilinx: Add support for LUT RAM on LUT4-based devices.
There are multiple other kinds of RAMs supported on these devices, but
RAM16X1D is the only dual-port one.

Fixes #1549
2020-02-07 09:03:22 +01:00

144 lines
1.7 KiB
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bram $__XILINX_RAM32X1D
init 1
abits 5
dbits 1
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM64X1D
init 1
abits 6
dbits 1
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM128X1D
init 1
abits 7
dbits 1
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM32X6SDP
init 1
abits 5
dbits 6
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM64X3SDP
init 1
abits 6
dbits 3
groups 2
ports 1 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM32X2Q
init 1
abits 5
dbits 2
groups 2
ports 3 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
bram $__XILINX_RAM64X1Q
init 1
abits 6
dbits 1
groups 2
ports 3 1
wrmode 0 1
enable 0 1
transp 0 0
clocks 0 1
clkpol 0 2
endbram
match $__XILINX_RAM32X1D
min bits 3
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM64X1D
min bits 5
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM128X1D
min bits 9
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM32X6SDP
min bits 5
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM64X3SDP
min bits 6
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM32X2Q
min bits 5
min rports 2
min wports 1
make_outreg
or_next_if_better
endmatch
match $__XILINX_RAM64X1Q
min bits 5
min rports 2
min wports 1
make_outreg
endmatch