User`s guide

PCI-2513 User's Guide Specifications
41
Table 14. 8-channel differential pinout
Pin
Function
Pin
Function
68
ACH0 HI
34
ACH0 LO
67
AGND
33
ACH1 HI
66
ACH1 LO
32
AGND
65
ACH2 HI
31
ACH2 LO
64
AGND
30
ACH3 HI
63
ACH3 LO
29
AGND
62
SGND (low level sense – not for general use)
28
ACH4 HI
61
ACH4 LO
27
AGND
60
ACH5 HI
26
ACH5 LO
59
AGND
25
ACH6 HI
58
ACH6 LO
24
AGND
57
ACH7 HI
23
ACH7 LO
56
NC
22
NC
55
NC
21
NC
54
NEGREF (reserved for self-calibration)
20
POSREF (reserved for self-calibration)
53
GND
19
+5 V (refer to Note 4)
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)
Note 4: 5 V output, up to 500 mA.