AXM-
A75 User’s Manual
Multifunction I/O Mezzanine Board
_____________________________________________________________________________________
- 8 -
Front Panel Field I/O Connector J1
The AXM-A75 front panel field I/O connector (J1) is a 68 pin VHDCI
receptacle. A cable assembly and termination panel (or user defined
terminations) can be quickly mated to the field I/O connector. The pin
assignment for this connector is shown in Table 2-1.
Table 2-1 J1 Pin Assignment
Pin Description
Number Pin Description Number
GND
1
DIO0
35
DIO1
2
DIO2
36
DIO3
3
DIO4
37
DIO5
4
DIO6
38
DIO7
5
GND
39
DIO8
6
DIO9
40
DIO10
7
DIO11
41
DIO12
8
DIO13
42
DIO14
9
DIO15
43
GND
10
VOUT1
44
GND
11
VOUT2
45
GND
12
VOUT3
46
GND
13
VOUT4
47
GND
14
VOUT5
48
GND
15
VOUT6
49
GND
16
VOUT7
50
GND
17
VOUT8
51
GND
18
GND
52
VIN16-
19
VIN16+
53
VIN15-
20
VIN15+
54
VIN14-
21
VIN14+
55
VIN13-
22
VIN13+
56
VIN12-
23
VIN12+
57
VIN11-
24
VIN11+
58
VIN10-
25
VIN10+
59
VIN9-
26
VIN9+
60
VIN8-
27
VIN8+
61
VIN7-
28
VIN7+
62
VIN6-
29
VIN6+
63
VIN5-
30
VIN5+
64
VIN4-
31
VIN4+
65
VIN3-
32
VIN3+
66
VIN2-
33
VIN2+
67
VIN1-
34
VIN1+
68
The sixteen differential analog input channels are labeled VINx- and
VINx+ where x is the channel number 1 to 16. Analog outputs are
labeled VOUTx where x is the channel number 1 to 8. Digital input /
output signals are labeled DIOx where x is bit 0 to 15. Signal returns
are labeled GND.