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8. DIO(Digital Input/Output) Usage
The PCI-FRM01 has 16 Input port and 8 Output port at the Photo-coupler isolated DIO(Digital
Input/Output) function.
I/O Address
Function
DIO
31
Bits 3-0 are the Photo-coupler isolated Digital outputs, bits 7-4 are the LVDS outputs. Please refer to
the manual for the circuit configuration.
31
Bits 5-0 are the Photo-coupler isolated Digital Inputs, bits 15-8 are the LVDS Inputs. Please refer to
the manual for the circuit configuration.
Register
Offset
D0h
Out Port
D4h
In Port
D8h
Reserved
DCh
Reserved
DIO
Out Port Register Bit Position & Usage
Reserved
DIO
In Port Register Bit Position & Usage
Reserved
2005 DAQ system, all rights reserved.
PCI-FRM01 Register Level Application Guide
Description
4Bit Photo-coupler output, 4Bit LVDS output Port
6Bit Photo-coupler input , 10Bit LVDS input Port
For future use
For future use
16
15
14
13
12
11
10
Application Note
4
7
6
5
4
3
Used
9
8
7
6
5
4
3
Used
http://www.daqsystem.com
(AN241)
2
1
0
2
1
0
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