National Instruments PCI-4452 - Manual (Page 83)

Appendix B Pin Connections
PCI-4451/4452 User Manual B-2 © National Instruments Corporation
Figure B-1. 68-Pin Digital Connector for any Digital Accessory
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
+5 V
DIO(0)
DIO(1)
DIO(2)
EXTSTROBE*
DIO(3)
DIO(4)
DIO(5)
DIO(6)
DIO(7)
RESERVED1
CONVERT*
PFI1/TRIG2 (PRETRIG)
PFI0/TRIG1 (EXT_TRIG)
PFI3/GPCTR1_SOURCE
GPCTR1_OUT
PFI4/GPCTR1_GATE
PFI7
PFI6/WFTRIG
UPDATE*
PFI8/GPCTR0_SOURCE
GPCTR0_OUT
PFI9/GPCTR0_GATE
FREQ_OUT
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
+5 V
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND
DGND 1 35
2 36
3 37
4 38
5 39
6 40
7 41
8 42
9 43
10 44
11 45
12 46
13 47
14 48
15 49
16 50
17 51
18 52
19 53
20 54
21 55
22 56
23 57
24 58
25 59
26 60
27 61
28 62
29 63
30 64
31 65
32 66
33 67
34 68
User.book Page 2 Tuesday, April 14, 1998 10:20 AM