Figure 4-21 Operation model for asynchronous Trigger Link example #1 ........................................................ 4-54
Figure 4-22 Connections using Trigger Link adapter ............................................................................................ 4-55
Figure 4-23 DUT test system (asynchronous example #2) .................................................................................... 4-56
Figure 4-24 Trigger Link connections (asynchronous example #2) ..................................................................... 4-56
Figure 4-25 Operation model for asynchronous Trigger Link example #2 ........................................................ 4-58
Figure 4-26 Semi-synchronous trigger link pulse specifications .......................................................................... 4-59
Figure 4-27 Typical semi-synchronous mode connections.................................................................................... 4-59
Figure 4-28 Trigger Link connections (semi-synchronous example)................................................................... 4-60
Figure 4-29 Operation model for semi-synchronous Trigger Link example ...................................................... 4-62
Figure 4-30 DUT test system.......................................................................................................................................4-63
Figure 4-31 Trigger link connections .........................................................................................................................4-64
Figure 4-32 Digital multimeter flowchart .................................................................................................................4-68
Figure 4-33 Digital multimeter block diagram.........................................................................................................4-69
5 IEEE-488 Reference
Figure 5-1 IEEE-488 connector................................................................................................................................... 5-2
Figure 5-2 IEEE-488 connections ............................................................................................................................... 5-2
Figure 5-3 IEEE-488 connector location.................................................................................................................... 5-3
Figure 5-4 Contact assignments ................................................................................................................................ 5-3
Figure 5-5 Model 7001 status register structure...................................................................................................... 5-6
Figure 5-6 Standard event status............................................................................................................................... 5-7
Figure 5-7 Operation event status............................................................................................................................. 5-9
Figure 5-8 Arm event status..................................................................................................................................... 5-11
Figure 5-9 Sequence event status ............................................................................................................................ 5-14
Figure 5-10 Trigger event status................................................................................................................................ 5-16
Figure 5-11 Status byte and service request (SRQ)................................................................................................. 5-19
Figure 5-12 Trigger model (IEEE-488 bus operation)..............................................................................................5-22
Figure 5-13 Standard Event Status Enable Register ............................................................................................... 5-41
Figure 5-14 Standard Event Status Register ............................................................................................................ 5-44
Figure 5-15 Service Request Enable Register........................................................................................................... 5-56
Figure 5-16 Status Byte Register................................................................................................................................ 5-59
Figure 5-17 Operation Event Register ...................................................................................................................... 5-98
Figure 5-18 Trigger Event Register ........................................................................................................................... 5-98
Figure 5-19 Arm Event Register ................................................................................................................................ 5-99
Figure 5-20 Sequence Event Register...................................................................................................................... 5-100
Figure 5-21 Operation Event Enable Register ....................................................................................................... 5-102
Figure 5-22 Trigger Event Enable Register ............................................................................................................ 5-102
Figure 5-23 Arm Event Enable Register ..................................................................................................................5-103
Figure 5-24 Sequence Event Enable Register..........................................................................................................5-103
Figure 5-25 Operation Transition Filter...................................................................................................................5-105
Figure 5-26 Trigger Transition Filter .......................................................................................................................5-106
Figure 5-27 Arm Transition Filter ............................................................................................................................5-107
Figure 5-28 Sequence Transition Filter................................................................................................................... 5-108
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