Pin scsi connector pin outs – Measurement Computing USB-2527 User Manual
Page 59
USB-2527 User's Guide
Specifications
59
68-pin SCSI connector pin outs
Table 16. 68-pin SCSI connector pin out (labeled P5 on the board)
16-channel single-ended mode
Pin
Function
Pin
Function
68
ACH0
34
ACH8
67
AGND
33
ACH1
66
ACH9
32
AGND
65
ACH2
31
ACH10
64
AGND
30
ACH3
63
ACH11
29
AGND
62
SGND (low level sense - not for general use)
28
ACH4
61
ACH12
27
AGND
60
ACH5
26
ACH13
59
AGND
25
ACH6
58
ACH14
24
AGND
57
ACH7
23
ACH15
56
XDAC3
22
XDAC0
55
XDAC2
21
XDAC1
54
NEGREF (reserved for self-calibration)
20
POSREF (reserved for self-calibration)
53
GND
19
+5 V (see
52
A1
18
A0
51
A3
17
A2
50
A5
16
A4
49
A7
15
A6
48
B1
14
B0
47
B3
13
B2
46
B5
12
B4
45
B7
11
B6
44
C1
10
C0
43
C3
9
C2
42
C5
8
C4
41
C7
7
C6
40
GND
6
TTL TRG
39
CNT1
5
CNT0
38
CNT3
4
CNT2
37
TMR1
3
TMR0
36
GND
2
XAPCR (input scan clock)
35
GND
1
XDPCR (output scan clock)