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# LUT RAMs for Virtex 5, Virtex 6, Spartan 6, Series 7.
# The corresponding mapping file is lutrams_xc5v_map.v
# Single-port RAMs.
ram distributed $__XILINX_LUTRAM_SP_ {
cost 8;
widthscale;
option "ABITS" 5 {
abits 5;
widths 8 global;
}
option "ABITS" 6 {
abits 6;
widths 4 global;
}
option "ABITS" 7 {
abits 7;
widths 2 global;
}
option "ABITS" 8 {
abits 8;
widths 1 global;
}
init no_undef;
prune_rom;
port arsw "RW" {
clock posedge;
}
}
# Dual-port RAMs.
ram distributed $__XILINX_LUTRAM_DP_ {
cost 8;
widthscale;
option "ABITS" 5 {
abits 5;
widths 4 global;
}
option "ABITS" 6 {
abits 6;
widths 2 global;
}
option "ABITS" 7 {
abits 7;
widths 1 global;
}
init no_undef;
prune_rom;
port arsw "RW" {
clock posedge;
}
port ar "R" {
}
}
# Quad-port RAMs.
ram distributed $__XILINX_LUTRAM_QP_ {
cost 7;
widthscale;
option "ABITS" 5 {
abits 5;
widths 2 global;
}
option "ABITS" 6 {
abits 6;
widths 1 global;
}
init no_undef;
prune_rom;
port arsw "RW" {
clock posedge;
}
port ar "R0" "R1" "R2" {
}
}
# Simple dual port RAMs.
ram distributed $__XILINX_LUTRAM_SDP_ {
cost 8;
widthscale 7;
option "ABITS" 5 {
abits 5;
widths 6 global;
}
option "ABITS" 6 {
abits 6;
widths 3 global;
}
init no_undef;
prune_rom;
port sw "W" {
clock posedge;
}
port ar "R" {
}
}
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