Motorola CPCI-6020 ユーザーズマニュアル
Memory Mezzanine Connectors
Controls, LEDs, and Connectors
CPCI-6020 CompactPCI Single Board Computer Installation and Use (6806800A51C)
67
3.4.5
Memory Mezzanine Connectors
shows the pin assignments for the two 140-pin AMP 0.6 mm Free Height
mating connectors, which provide a memory expansion capability and include common ground
contacts that mate.
contacts that mate.
TR0_L
Track 0 indicator
TXDn
Serial transmit data
UDATAn-
Low signal of differential data for USB channel
UDATAn+
High signal of differential data for USB channel
Universal Serial Bus (USB 0 & 1), USB levels
UVCCn
Fused power for USB channel.
WDATA_L
Write data
WGATE_L
Enables the head write circuitry
WPROT_L
Indicates the disk is write protected.
Table 3-12 J5 Signal Descriptions (continued)
Signal Description
Table 3-13 J8 and J27 Memory Mezzanine Connector
Pin
Pin Name
Pin Name
Pin
Pin
Pin Name
Pin Name
Pin
1
GND *
GND *
2
73
DQ56
DQ57
74
3
DQ00
DQ01
4
75
DQ58
DQ59
76
5
DQ02
DQ03
6
77
DQ60
DQ61
78
7
DQ04
DQ05
8
79
GND *
GND *
80
9
DQ06
DQ07
10
81
DQ62
DQ63
82
11
+3.3 V
+3.3 V
12
83
CKD00
CKD01
84
13
DQ08
DQ09
14
85
CKD02
CKD03
86
15
DQ10
DQ11
16
87
CKD04
CKD05
88
17
DQ12
DQ13
18
89
+3.3 V
+3.3 V
90
19
DQ14
DQ15
20
91
CKD06
CKD07
92
21
GND *
GND *
22
93
BA1
BA0
94
23
DQ16
DQ17
24
95
A12
A11
96
25
DQ18
DQ19
26
97
A10
A09
98
27
DQ20
DQ21
28
99
GND *
GND *
100
29
DQ22
DQ23
30
101
A08
A07
102
31
+3.3 V
+3.3 V
32
103
A06
A05
104
33
DQ24
DQ25
34
105
A04
A03
106
35
DQ26
DQ27
36
107
A02
A01
108
37
DQ28
DQ29
38
109
+3.3 V
+3.3 V
110