Memory Mezzanine Connectors; Table 3-13 J8 And J27 Memory Mezzanine Connector - Motorola CPCI-6020 Installation And Use Manual

Memory Mezzanine Connectors

Table 3-12 J5 Signal Descriptions (continued)
Signal
TR0_L
TXDn
UDATAn-
UDATAn+
Universal Serial Bus (USB 0 & 1), USB levels
UVCCn
WDATA_L
WGATE_L
WPROT_L
3.4.5 Memory Mezzanine Connectors
Table 3-13 on page 67
mating connectors, which provide a memory expansion capability and include common ground
contacts that mate.

Table 3-13 J8 and J27 Memory Mezzanine Connector

Pin Pin Name
1 GND *
3 DQ00
5 DQ02
7 DQ04
9 DQ06
11 +3.3 V
13 DQ08
15 DQ10
17 DQ12
19 DQ14
21 GND *
23 DQ16
25 DQ18
27 DQ20
29 DQ22
31 +3.3 V
33 DQ24
35 DQ26
37 DQ28
CPCI-6020 CompactPCI Single Board Computer Installation and Use (6806800A51C)
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Description
Track 0 indicator
Serial transmit data
Low signal of differential data for USB channel
High signal of differential data for USB channel
Fused power for USB channel.
Write data
Enables the head write circuitry
Indicates the disk is write protected.
shows the pin assignments for the two 140-pin AMP 0.6 mm Free Height
Pin Name Pin Pin
GND * 2 73
DQ01 4 75
DQ03 6 77
DQ05 8 79
DQ07 10 81
+3.3 V 12 83
DQ09 14 85
DQ11 16 87
DQ13 18 89
DQ15 20 91
GND * 22 93
DQ17 24 95
DQ19 26 97
DQ21 28 99
DQ23 30 101
+3.3 V 32 103
DQ25 34 105
DQ27 36 107
DQ29 38 109
Controls, LEDs, and Connectors
Pin Name Pin Name
DQ56 DQ57
DQ58 DQ59
DQ60 DQ61
GND * GND *
DQ62 DQ63
CKD00 CKD01
CKD02 CKD03
CKD04 CKD05
+3.3 V +3.3 V
CKD06 CKD07
BA1 BA0
A12 A11
A10 A09
GND * GND *
A08 A07
A06 A05
A04 A03
A02 A01
+3.3 V +3.3 V
Pin
74
76
78
80
82
84
86
88
90
92
94
96
98
100
102
104
106
108
110
67