DAQ PCI-FRM01 Manual do Utilizador descarregar pdf (Página 13)

Application Note (AN241)

PCI-FRM01 Register Level Application Guide

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.

DIO

4Bit Photo-coupler output, 4Bit LVDS output PortD0h

Description

I/O Address

Offset

Function

D4h

D8h

DCh

6Bit Photo-coupler input , 10Bit LVDS input Port

For future use

Out Port

In Port

Reserved

Used

431

Reserved

DIO Out Port Register Bit Position & Usage

234567

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.

Used

1631

Reserved

DIO In Port Register Bit Position & Usage

2345 16789101112131415

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.

1 2 ... 8 9 10 11 12 13 14

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DAQ PCI-FRM01 Manual do Utilizador Página 13