Omega OMB-DAQBOARD-3000 用户手册
DBK215, pg. A-8
948894
Appendix A
Digital I/O Correlation to 68-pin SCSI
TB5
Pin Number and Description
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
A7
49
Digital I/O: Port A, Bit 7
A6
15
Digital I/O: Port A, Bit 6
A5
50
Digital I/O: Port A, Bit 5
A4
16
Digital I/O: Port A, Bit 4
A3
51
Digital I/O: Port A, Bit 3
A2
17
Digital I/O: Port A, Bit 2
A1
52
Digital I/O: Port A, Bit 1
A0
18
Digital I/O: Port A, Bit 0
P2 – TB5
TB6
Pin Number and Description
+5 V
19
Expansion +5 V Power
+5 V
19
Expansion +5 V Power
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
P2 – TB6
TB7
Pin Number and Description
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
C7
41
Digital I/O: Port C, Bit 7
C6
7
Digital I/O: Port C, Bit 6
C5
42
Digital I/O: Port C, Bit 5
C4
8
Digital I/O: Port C, Bit 4
C3
43
Digital I/O: Port C, Bit 3
C2
9
Digital I/O: Port C, Bit 2
C1
44
Digital I/O: Port C, Bit 1
C0
10
Digital I/O: Port C, Bit 0
P2 – TB7
TB8
Pin Number and Description
DGND
**
Digital Ground, Common
DGND
**
Digital Ground, Common
B0
14
Digital I/O: Port B, Bit 0
B1
48
Digital I/O: Port B, Bit 1
B2
13
Digital I/O: Port B, Bit 2
B3
47
Digital I/O: Port B, Bit 3
B4
12
Digital I/O: Port B, Bit 4
B5
46
Digital I/O: Port B, Bit 5
B6
11
Digital I/O: Port B, Bit 6
B7
45
Digital I/O: Port B, Bit 7
P2 – TB8
* The following SCSI Pins connect to Analog Common: 24, 27, 29, 32, 55, 56, 59, 64, and 67.
** The following SCSI Pins connect to Digital Common: 35, 36, 40, and 53.
** The following SCSI Pins connect to Digital Common: 35, 36, 40, and 53.