Omega Engineering OME-A8111 manual I/O Register Address, Address Read Write

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2.4I/O Register Address

The OME-A-8111 occupies 16 consecutive PC I/O addresses. The following table lists the registers and their locations.

Address	Read	Write
Base+0	8254 Counter 0	8254	Counter 0
Base+1	8254 Counter 1	8254	Counter 1
Base+2	8254 Counter 2	8254	Counter 2
Base+3	Reserved	8254	Counter Control
Base+4	A/D Low Byte	D/A Channel 0 Low Byte
Base+5	A/D High Byte	D/A Channel 0 High Byte
Base+6	DI Low Byte	Reserved
Base+7	DI High Byte	Reserved
Base+8	Reserved	A/D Clear Interrupt Request
Base+9	Reserved	A/D Gain Control
Base+A	Reserved	A/D Multiplexer Control
Base+B	Reserved	A/D Mode Control
Base+C	Reserved	A/D Software Trigger Control
Base+D	Reserved	DO Low Byte
Base+E	Reserved	DO High Byte
Base+F	Reserved	Reserved

OME-A-8111 Hardware Manual (ver.1.1, Jul/2003)

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Contents User’sGuide Mexico CanadaBenelux Czech RepublicOME-A-8111 Table of Contents Calibration General Description FeaturesPower Consumption SpecificationsAnalog Inputs 3 A/D ConverterDigital I/O DA ConverterInterrupt Channel Product Check List Programmable Timer/CounterApplications Board Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper SettingAddress Read Write I/O Register Address2 A/D Input Buffer Register 8254 Counter4 D/I Input Buffer Register 3 D/A Output Latch Register6 A/D Gain Control Register Clear Interrupt Request7 A/D Multiplex Control Register SI2 SI1 SI0 8 A/D Mode Control Register9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN3 Digital I/OCounter 8254 Timer/CounterSec A/D ConversionPacer Trigger Mode If switching from one channel to the next sec1 A/D conversion flow 2 A/D Conversion Trigger Modes3 A/D Transfer Modes Using software trigger and polling transferD/A Conversion Signal Shielding Analog Input Signal ConnectionCN1 Analog input/Analog output/Connect Pin Assignment Pin AssignmentCN3 Analog input/Analog output/Connect Pin Assignment CN2 Analog input/Analog output/Connect Pin AssignmentOME-CA-4002 Daughter BoardOME-DB-16P OME-DB-16RCalibration VR Description CalibrationD/A Calibration Steps DI/O TestingA/D Calibration Steps WARRANTY/DISCLAIMER Temperature