aboutsummaryrefslogtreecommitdiffstats
path: root/techlibs/xilinx/lutrams_xcu.txt
blob: 8062250bf0563d5ad1031f4800f71d7793e8386d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
# LUT RAMs for Ultrascale.
# The corresponding mapping file is lutrams_xc5v_map.v

# Single-port RAMs.

ram distributed $__XILINX_LUTRAM_SP_ {
	cost 16;
	widthscale;
	option "ABITS" 5 {
		abits 5;
		widths 16 global;
	}
	option "ABITS" 6 {
		abits 6;
		widths 8 global;
	}
	option "ABITS" 7 {
		abits 7;
		widths 4 global;
	}
	option "ABITS" 8 {
		abits 8;
		widths 2 global;
	}
	option "ABITS" 16 {
		abits 16;
		widths 1 global;
	}
	init any;
	prune_rom;
	port arsw "RW" {
		clock posedge;
	}
}

# Dual-port RAMs.

ram distributed $__XILINX_LUTRAM_DP_ {
	cost 16;
	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 any;
	prune_rom;
	port arsw "RW" {
		clock posedge;
	}
	port ar "R" {
	}
}

# Quad-port RAMs.

ram distributed $__XILINX_LUTRAM_QP_ {
	cost 16;
	widthscale;
	option "ABITS" 5 {
		abits 5;
		widths 4 global;
	}
	option "ABITS" 6 {
		abits 6;
		widths 2 global;
	}
	init any;
	prune_rom;
	port arsw "RW" {
		clock posedge;
	}
	port ar "R0" "R1" "R2" {
	}
}

# Octal-port RAMs.

ram distributed $__XILINX_LUTRAM_OP_ {
	cost 16;
	widthscale;
	option "ABITS" 5 {
		abits 5;
		widths 2 global;
	}
	option "ABITS" 6 {
		abits 6;
		widths 1 global;
	}
	init any;
	prune_rom;
	port arsw "RW" {
		clock posedge;
	}
	port ar "R0" "R1" "R2" "R3" "R4" "R5" "R6" {
	}
}

# Simple dual port RAMs.

ram distributed $__XILINX_LUTRAM_SDP_ {
	cost 16;
	widthscale;
	option "ABITS" 5 {
		abits 5;
		widths 14 global;
	}
	option "ABITS" 6 {
		abits 6;
		widths 7 global;
	}
	init any;
	prune_rom;
	port sw "W" {
		clock posedge;
	}
	port ar "R" {
	}
}

# Wide-read RAM.

ram distributed $__XILINX_LUTRAM_64X8SW_ {
	cost 16;
	abits 9;
	widths 1 2 4 8 per_port;
	init any;
	prune_rom;
	port arsw "RW" {
		width rd 8 wr 1;
		clock posedge;
	}
}

# Wide-write RAM.

ram distributed $__XILINX_LUTRAM_32X16DR8_ {
	cost 16;
	widthscale;
	abits 6;
	widths 7 14 per_port;
	# Yes, no initialization capability.
	prune_rom;
	port sw "W" {
		width 14;
		clock posedge;
	}
	port ar "R" {
		width 7;
	}
}