Specifications ispLSI 5256VA
272-Ball BGA I/O Locations (Sorted by I/O)
I/O #
Ball
I/O #
Ball
I/O #
Ball
I/O #
Ball
I/O #
Ball
I/O #
Ball
0*
1
2
3
4
5
6
7
8
M2
M3
M4
N1
N2
N3
P1
P2
R1
P3
R2
T1
P4
T2
T3
V1
V2
V3
Y1
W3
V4
U5
Y3
Y4
V5
W5
Y5
V6
U7
W6
Y6
V7
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
W7
Y7
V8
W8
Y8
U9
V9
W9
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
U16
V17
W18
Y19
V18
V19
U19
U18
V20
U20
T18
T19
R18
P17
R19
R20
P18
P20
N18
N19
N20
M17
M18
M19
M20
L19
L18
L20
K20
K19
K18
K17
96
97
98
99
J17
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
B14
A14
C13
B13
A13
D12
C12
B12
A12
B11
C11
A11
A10
B10
A9
B9
C9
D9
A8
B8
C8
A7
B7
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
A3
D5
C4
B2
A2
B1
C2
D2
E4
C1
D1
E3
E1
F3
G4
F2
F1
G3
G2
G1
H3
H2
H1
J4
H20
H19
H18
G20
G19
F20
G18
F19
E20
G17
F18
E19
D20
E18
C20
E17
D18
A20
A19
B17
C17
D16
A18
C16
B16
A16
C15
D14
B15
A15
C14
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
Y9
9
W10
V10
Y10
Y11
W11
W12
V12
U12
Y13
W13
V13
Y14
W14
Y15
V14
W15
Y16
U14
V15
W16
Y17
V16
Y18
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
A6
C7
B6
A5
D7
C6
B5
A4
J3
J2
J1
K2
K3
K1
L1
L2
B4
* I/O 119 is multiplexed with CLK2, I/O 131 is multiplexed with CLK3 and I/O 0 is multiplexed with TOE.
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