Omega 1002 manual Function Operation, Digital I/O

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4. Function Operation

4.1 Digital I/O

The OME-PCI-1002 series provides 16 digital input channels and 16 digital output channels. All signals are TTL compatible. The connector and block diagrams are given below:

BaseAddr+20h

read signal.

Local Data Bus

D0 ... D15

BaseAddr+20h

write signal

DI port

DO port

CN2

CN1

Figure 4.1. DIO function diagram.

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Contents User’sGuide Servicing North America Table of Contents Software and Demo Program Diagnostic Program General Description IntroductionX86 System Block DiagramFeatures Analog Inputs SpecificationsPower Consumption 4 A/D Trigger Methods 3 D/I and D/OInterrupt Channel Programmable Timer/CounterOME-PCI-1002 series multifunction cards ApplicationsRelease Notes Product Check ListBoard Layout Hardware ConfigurationA/D Calibration Jumper SettingOME-PCI-1002 System Function Block System Block DiagramOME-DB-8225 OME-DB-37 Daughter BoardsOME-DB-16P Isolated Input Board OME-DB-16R Relay Board Analog Input Signal Connection Page Page Signal Shielding Jumper Settings Connectors Page O Registers How to Find the I/O AddressPage I/O Address Map Section 8254 Registers Status Register Clear Interrupt Interrupt Source Selection General Control RegisterTrigger Method Selection Digital I/O Function OperationA/D trigger 8254 TimerSymbol Name Minimum Maximum CPU A/D ConversionSuggested Settling Times 1 A/D Conversion Trigger Modes Software Trigger and Polling Techniques Page Page Software and Demo Program Driver Plug & Play Test Power-ON Plug & Play TestA/D Test D I/O TestWARRANTY/DISCLAIMER Temperature