yosys/techlibs/nexus/brams.txt

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2022-02-07 20:52:50 -06:00
ram block $__NX_DP16K_ {
abits 14;
widths 1 2 4 9 18 per_port;
byte 9;
cost 129;
init no_undef;
port srsw "A" "B" {
clock posedge;
clken;
wrbe_separate;
rdwr no_change;
portoption "RESETMODE" "SYNC" {
rdsrst zero gated_clken;
}
portoption "RESETMODE" "ASYNC" {
rdarst zero;
}
rdinit zero;
}
}
2022-02-07 20:52:50 -06:00
ram block $__NX_PDP16K_ {
abits 14;
widths 1 2 4 9 18 36 per_port;
byte 9;
option "SAME_CLOCK" 1 cost 128;
option "SAME_CLOCK" 0 cost 129;
init no_undef;
port sr "R" {
option "SAME_CLOCK" 1 clock posedge "C";
option "SAME_CLOCK" 0 clock posedge;
clken;
portoption "RESETMODE" "SYNC" {
rdsrst zero gated_clken;
}
portoption "RESETMODE" "ASYNC" {
rdarst zero;
}
rdinit zero;
}
port sw "W" {
option "SAME_CLOCK" 1 clock posedge "C";
option "SAME_CLOCK" 0 clock posedge;
clken;
option "SAME_CLOCK" 1 wrtrans all old;
}
}