6.3 Pin Definitions
X1: PCI-bus, USB, & Audio
Pin
Signal
1
GND
3
PCICLK3
5
GND
7
PCICLK1
9
REQ3#
11
GNT2#
13
REQ2#
15
REQ1#
17
GNT0#
19
5VCC
21
SERIRQ
23
AD0
25
AD1
27
AD4
29
AD6
31
CBE0#
33
AD8
35
GND
37
AD10
39
AD11
41
AD12
43
AD13
45
AD14
47
AD15
49
CBE1#
The 3V (3.3 V ±5%) is generated onboard. Pins may be used to power devices on the
carrier board up to a maximum load of 500 mA.
Do not connect the 3V pin to external 3.3V supply power.
ETX-CV User's Manual
ETX-CV User's Manual
Pin
Signal
2
GND
4
PCICLK4
6
GND
8
PCICLK2
10
GNT3#
12
3V
1
14
GNT1#
16
3V
1
18
RSV
20
5VCC
22
REQ0#
24
3V
1
26
AD2
28
AD3
30
AD5
32
AD7
34
AD9
36
GND
38
AUXAL
40
MIC
42
AUXAR
44
ASVCC
46
SDNL
48
ASSGND
50
SNDR
X1
Pin
Signal
Pin
51
5VCC
52
53
PAR
54
55
GPERR
56
57
PME#
58
59
LOCK#
60
61
TRDY#
62
63
IRDY#
64
65
FRAME#
66
67
GND
68
69
AD16
70
71
AD17
72
73
AD19
74
75
AD20
76
77
AD22
78
79
AD23
80
81
AD24
82
83
5VCC
84
85
AD25
86
87
AD28
88
89
AD27
90
91
AD30
92
93
PCIRST#
94
95
INTC#
96
97
INTA#
98
99
GND
100
99
100
1
2
Signal
5VCC
SERR#
RSV
USB2-
DEVSEL#
USB3-
STOP#
USB2+
GND
CBE2#
USB3+
AD18
USB0N
AD21
USB1-
CBE3#
5VCC
AD26
USB0+
AD29
USB1+
AD31
INTD#
INTB#
GND
Page 17
Page 17
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