Omega OME-A822PG manual 4 JP4 A/D Trigger Source Selection, 5 JP5 Interrupt Level Selection

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2.3.4JP4 : A/D Trigger Source Selection

Internal Trigger (default)

INTTRG

EXTTRG

External Trigger

INTTRG

EXTTRG

The OME-A-822PGL/PGH supports two trigger types, internal trigger and external trigger. The external trigger comes from ExtTrg, CN3 pin 17. There are two types of internal triggers, software trigger and pacer trigger. More detailed information is given in section 2.4.8.

2.3.5JP5 : Interrupt Level Selection

NO Interrupt

IRQ

3

4

5

6

7

9

10

11

12

14

15 NC

 

 

 

 

 

 

 

 

 

 

 

 

Interrupt 15 (default)

IRQ

3

4

5

6

7

9

10

11

12

14 15 NC

 

 

 

 

 

 

 

 

 

 

 

The interrupt channel can not be shared. The OME-A-822 software driver can support 8 different cards in one system but only 2 of these cards can use the interrupt transfer function.

OME-A-822PGL/PGH Hardware Manual ---- 13

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Contents User’sGuide Czech Republic CanadaMexico BeneluxOME-A-822PGH/PGL Introduction Tables of ContentsConnector General Description Features3 A/D Converter SpecificationsPower Consumption Analog InputsDA Converter Digital I/OInterrupt Channel Direct Memory Access Channel DMA Programmable Timer/CounterProduct Check List ApplicationsBoard Layout Hardware ConfigurationDefault base address is I/O Base Address Setting1 JP1 D/A Internal Reference Voltage Selection Jumper Settings3 JP3 Single-ended/Differential Selection 2 JP2 D/A Int/Ext Ref Voltage Selection5 JP5 Interrupt Level Selection 4 JP4 A/D Trigger Source Selection6 JP6 User Timer/Counter Clock Input Selection DRQ JP7 Dack JP8 DMA 7 JP7 DMA Dack Selection JP8 DMA DRQ SelectionAddress Read Write I/O Register Address1 8254 Counter 2 A/D Input Buffer RegisterConversion is completed, the Ready bit will clear to zero 3 D/A Output Latch Register Clear Interrupt Request 4 D/I Input Buffer RegisterGAIN3 GAIN2 GAIN1 GAIN0 6 A/D Gain Control Register7 A/D Multiplex Control Register OME-A-822PGH Gain Control Code Table8 A/D Mode Control Register 9 A/D Software Trigger Control Register 10 D/O Output Latch Register CN2 Digital I/OCounter 8254 Timer/CounterA/D Conversion Polling, interrupt and DMA 1 A/D conversion flow3 A/D Transfer Modes 2 A/D Conversion Trigger ModesUsing software trigger and polling transfer Delay the settling time refer to Sec .4.6 and SecRefer to Sec D/A Conversion Analog Input Signal Connection OME-A-822PGL/PGH Hardware Manual OME-A-822PGL/PGH Hardware Manual Use a single connection to frame ground not A.GND or D.GND Signal ShieldingUsing OME-DB-8225 CJC Output CN1/CN2/CN3 Pin Assignment CN1 Digital Input Pin AssignmentCN2 Digital Output Pin Assignment SINGLE-ENDED Signal Mode Differential Signals OME-DB-16P Daughter BoardOME-DB-8225 OME-DB-37Description of Variable Resistors CalibrationD/A Calibration A/D Calibration Introduction Diagnostic UtilityOME-A-822PGL/PGH Hardware Manual Running The Diagnostic Utility Base address selection screen SetupDMA no and IRQ no selection screen Calibration Function Test Test Test Screen Digital I/O Test Screen Multiplexer Test Screen Use IRQ Test Screen Use DMA Test Screen DA Gain Test Screen Timer 0 Test Screen Special Test Help WARRANTY/DISCLAIMER Temperature