Appendix B
I/O Connector Pinouts
B-8
ni.com
50-Pin MIO I/O Connector Pinout
Figure B-4 shows the 50-pin I/O connector that is available when you use
the R6850 or SH6850 cable assemblies with 68-pin E Series devices.
Figure B-4.
50-Pin MIO I/O Connector Pinout
1
No connects appear on pins 20 through 23 of devices that do not support AO or use an
external reference.
CTR 0 OUT
PFI 8/CTR 0 SRC
PFI 6/AO START TRIG
CTR 1 OUT
PFI 3/CTR 1 SRC
PFI 1/AI REF TRIG
EXT STROBE
+5 V
D GND
P0.3
P0.2
P0.1
P0.0
AO GND
1
AO 1
1
AI SENSE
AI 7
AI 6
AI 5
AI 4
AI 3
AI 2
AI 1
AI 0
AI GND
FREQ OUT
PFI 7/AI SAMP CLK
PFI 5/AI SAMP CLK
PFI 2/AI CONV CLK
PFI 0/AI START TRIG
AI HOLD COMP
+5 V
PFI 9/CTR 0 GATE
PFI 4/CTR 1 GATE
P0.7
P0.6
P0.5
P0.4
D GND
AO EXT REF
1
AO 0
1
AI 15
AI 14
AI 13
AI 12
AI 11
AI 10
AI 9
AI 8
AI GND
49
47
45
43
41
39
37
35
33
31
29
27
25
23
21
19
17
15
13
11
9
7
5
3
1
50
48
46
44
42
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
