Dram Expansion Connectors (J3 And J4); Table 2-3. Pin Assignments For Connector J4 - Motorola RAM104 User Manual

Connector Pin Assignments

DRAM Expansion Connectors (J3 and J4)

2
J3 and J4 are two 100-pin SMT connectors on the PM603/PM604
Processor/Memory mezzanine that interface with J2 and J1 (respectively)
on the RAM104 add-on DRAM mezzanine. Pin assignments for
connectors J3 and J4 are shown in Tables 2-3 and 2-4.
1 GND
3 MA_BB1
5 MA_BB3
7 GND
9 MA_BB5
11 MA_BB7
13 GND
15 MA_BB9
17 MA_BB11
19 GND
21 BRASB0
23 GND
25 BRASB2
27 GND
29 BRASB4
31 GND
33 BRASB6
35 GND
37 BCASB0
39 GND
41 BCASB2
43 GND
45 BCASB4
47 GND
49 BCASB6
2-6
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Table 2-3. Pin Assignments for Connector J4

MA_BB0 2
MA_BB2 4
GND 6
MA_BB4 8
MA_BB6 10
GND 12
MA_BB8 14
MA_BB10 16
GND 18
∗
BWEB2 20
∗
GND 22
∗
BRASB1 24
∗
GND 26
∗
BRASB3 28
∗
GND 30
∗
BRASB5 32
∗
GND 34
∗
BRASB7 36
∗
GND 38
∗
BCASB1 40
∗
GND 42
∗
BCASB3 44
∗
GND 46
∗
BCASB5 48
∗
GND 50
51 GND BCASB7
53 BMD0 GND
55 GND BMD1
57 BMD2 GND
59 GND BMD3
61 BMD4 GND
63 GND BMD5
65 BMD6 +5V
67 +5V BMD7
69 BMD8 GND
71 GND BMD9
73 BMD10 +5V
75 +5V BMD11
77 BMD12 GND
79 GND BMD13
81 BMD14 +5V
83 +5V BMD15
85 BMD16 GND
87 GND BMD17
89 BMD18 +5V
91 +5V BMD19
93 BMD20 GND
95 GND BMD21
97 BMD22 +5V
99 +5V BMD23
∗
52
54
56
58
60
62
64
66
68
70
72
74
76
78
80
82
84
86
88
90
92
94
96
98
100