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Trigger Sequence Levels
Sequence levels are the definable stages of the total trigger
specification. When defined, sequence levels control what the
analyzer triggers on, when the analyzer triggers, and where trigger will
be located in the total block of acquired data. In addition, you can
qualify what data is stored when trigger occurs.
By using sequence levels, you create a sequence of instructions for
the analyzer to follow. As the sequence levels are executed, all
subsequent branching and sequence flow is directed by the
statements within the sequence levels. The path taken resembles a
flow chart, and the end result is the desired trigger point.
Individual sequence levels are assigned either a pre-defined trigger
macro, or a User-level trigger macro. The total trigger specification,
(one or more sequence levels) can contain pre-defined macros,
User-level macro, or a combination of both. You finish defining each
level by inserting resource terms, timers, or occurrence counters into
assignment fields within each macro.
In State Acquisition Mode, there are 12 sequence levels available. In
Timing Acquisition Mode there are 10 sequence levels available.
Sequence Level Usage
Generally, you would think using one macro in one sequence level
uses up one of the available sequence levels. This may not always be
the case. Some of the more complex pre-defined macros require
multiple sequence levels. Keep this point in mind if you are near the
limit on remaining sequence levels. The exact number of internal
levels required per macro, and the remaining available levels, is shown
within the macro library list.
The only instance where multiple levels are used with the User-level
macro, is when the "<" duration is assigned.
12–6
- Agilent Technologies 1660A 1
- Series 50/100-MHz State 1
- 500-MHz Timing Logic 1
- Analyzers 1
- In This Book 3
- Analyzer type considerations 4
- Contents 7
- 5 Connecting a Printer 8
- 6 Disk Drive Operations 8
- 8 The System Utilities 8
- 9 The Common Menu Fields 9
- 10 The Configuration Menu 9
- 11 The Format Menu 9
- Time Markers 13–17 11
- Statistics Markers 13–19 11
- 14 The Waveform Menu 11
- Pattern Markers 14–13 11
- Pattern Markers 16–12 13
- Time Markers 16–23 13
- Statistics Markers 16–25 13
- States Markers 16–27 13
- 17 The Compare Menu 13
- 18 Error Messages 14
- 20 Operator’s Service 14
- Introduction 15
- Logic Analyzer Description 16
- User Interface 18
- Configuration Capabilities 19
- Key Features 21
- Accessories Supplied 22
- Accessories Available 23
- Probing Options 26
- General-Purpose Probing 27
- The Termination Adapter 27
- 3592 or equivalent 28
- Probe Tip Assembly 29
- Probe Ground Lead 30
- Probe lead connector 30
- Probe ground 30
- Assembling the Probing System 32
- Connecting Probe Tip Assembly 33
- Probe tip assembly 33
- Probe cable 33
- Installing Probe Leads 34
- Connecting Grabbers to Probes 35
- The Front-Panel Interface 38
- Front-Panel Controls 39
- . (period) Key 42
- How to Power-up The Analyzer 46
- How to Select Menus 47
- Complete Menu Selection List 48
- Menu selection list 48
- (not shown on the 48
- System and Analyzer Menu Sets 50
- How to Select Fields 51
- "Trigger on" Field 52
- "Trigger on" field 52
- Press the Format MENU key 53
- How to Configure Options 54
- How to Enter Numeric Data 55
- Units Assignment field 56
- Units assignment 56
- How to Enter Alpha Data 57
- Alpha Entry 58
- Name field 58
- How to Roll Offscreen Data 59
- Pods and Labels Roll Field 60
- Pods roll field with roll 60
- Labels roll field 60
- Channel Assignment Field 61
- Channel assignment 61
- Channel Assignment Pop-up 62
- Assignment pop-up 62
- Assignment choices 62
- Resource term "a" 63
- Edge assignment 64
- Edge and glitch 65
- Using the Mouse and the 67
- Optional Keyboard 67
- Moving the Cursor 69
- Entering Data into a Menu 70
- Using the Keyboard Overlays 71
- Numeric Keypad Overlay 72
- Defining Units of Measure 73
- Assigning Edge Triggers 74
- Closing a Menu 74
- Connecting a Printer 75
- GPIB Printers 77
- Listen Always Switch Setting 78
- RS-232C Printers 82
- Parallel Printer Port 87
- Printing the Display 91
- Disk Drive Operations 93
- Menu Map 96
- How to Access the Disk Menu 97
- How to Install a Disk 98
- Disk Operation Field 99
- Disk operation field 99
- How to Load a File 100
- Filename Selection 101
- Filename field 101
- Scroll bar 101
- How to Format a Disk 102
- How to Store Files on a Disk 104
- File Name Field 105
- File name field 105
- File Description Field 106
- File description 106
- How to Rename a File 107
- New Filename Field 108
- New filename 108
- How to Autoload a File 109
- Autoload Filename Field 110
- Filename 110
- How to Purge a File 111
- How to Copy a File 112
- New filename Field 113
- How to Pack a Disk 114
- How to Duplicate a Disk 115
- How to Make a Directory 117
- The RS-232C, GPIB, and 119
- Centronix Interface 119
- Interface 120
- RS-232 / GPIB menu contains 121
- Printer/Controller Menu Map 123
- The Controller Interface 125
- The Printer Interface 125
- The GPIB Interface 126
- GPIB field 127
- The RS-232C Interface 128
- (1660A through 1663A Only) 132
- The System Utilities 133
- The Utilities Menu Map 135
- Sound On / Off 137
- The Common Menu Fields 138
- Common Menu Fields Menu Map 140
- System/Analyzer Field 141
- Menu Field 142
- Print Field 143
- Print field 144
- Print selection menu 144
- Format Output Pop-up 145
- Run/Stop Field 146
- Base Field 147
- Label Field 148
- Interleave Option 149
- Interleaved label 149
- Label / Base Roll Field 150
- The Configuration Menu 152
- Name Field 154
- Type Field 155
- Unassigned Pods List 156
- Activity Indicators 158
- System / Analyzer Field 159
- Run Field 159
- The Format Menu 160
- Glitch in a Timing Waveform 164
- Timing acquisition 166
- Acquisition mode 166
- Minimum Transitions Stored 168
- Maximum Transitions Stored 169
- Clock Inputs Display 172
- Pod Field 173
- Pod Clock Field (State only) 174
- Demultiplex Clocking Mode 176
- Demultiplex mode field 176
- Pod Threshold Field 178
- Pod threshold field 179
- Pod Threshold 179
- Master Clock Field 180
- Master clock field 180
- Clock Edges and Levels 181
- Setup/Hold Field (State only) 182
- Default Setup and Hold 183
- Clock Position in Valid Data 183
- Symbols Field 184
- Symbol Located in the Data 185
- Symbol name field 187
- Modify Symbol Selection Menu 187
- Modify symbol selection menu 187
- Label and Pod Rolling Fields 188
- Label Assignment Fields 189
- Label Polarity Fields 191
- Bit Assignment Fields 192
- Bit Assignment Example 193
- The Trigger Menu 196
- Sequence Levels Area 198
- Resource Terms Area 198
- Control Area 198
- Trigger Menu Map 198
- Trigger Sequence Levels 201
- Editing Sequence Levels 202
- Modify Trigger Field 203
- Pre-defined Trigger Macros 206
- • Basic Macros 207
- • Sequence Dependent Macros 207
- • Time Violation Macros 207
- • Delay Macros 207
- Select New Macro Field 208
- Select new macro field 208
- Assignment field 208
- Timing Trigger Macro Library 209
- State Trigger Macro Library 211
- User-level Macro 214
- Secondary "else on" 214
- Resource Terms 221
- Two global Timers 222
- Logic Operation Choices 226
- Label and Base Fields 227
- Arming Control Field 228
- Two Analyzer Arming 229
- Analyzer name 229
- Port In/Out Arming 230
- Acquisition Control 231
- Trigger Position Field 232
- Sample Period Field 233
- Count Field (State only) 234
- The Listing Menu 236
- Markers Field 239
- Pattern Markers 240
- Find X-pattern field 241
- X-pattern at 241
- Pattern Occurrence Fields 242
- First occurrence 243
- Specify Patterns Field 244
- X and O entering and 245
- Pattern Display Field 246
- Pattern display field 246
- Stop Measurement Field 248
- X-O Field 249
- Clear Pattern Field 251
- Time Markers 252
- Trig to X / Trig to O Fields 253
- Statistics Markers 254
- States Markers (State only) 256
- Data Roll Field 258
- The Waveform Menu 262
- Acquisition Control Field 266
- Accumulate Field 267
- States Per Division Field 268
- States per division 268
- Seconds Per Division Field 269
- Seconds per 269
- Delay Field 270
- Sample Period Display 271
- Sample period display 271
- Sample Points 272
- Pattern occurrence fields 275
- X to O Display Field 277
- X to O display field 277
- Center Screen Field 278
- Specify Patterns Menu 280
- X and O entering 280
- Specify Pattern Menu 281
- X to O option menu 284
- Compare options menu 285
- Marker data pattern display 289
- Marker label 289
- Reset Statistics 291
- Waveform Display 295
- Waveform Label Field 297
- Overlayed waveforms 298
- Data value or Symbol 298
- The Mixed Display Menu 302
- 1663A Only) 303
- Inserting Waveforms 304
- Interleaving State Listings 304
- Time-Correlated Displays 305
- Waveform 306
- Time markers 306
- The Chart Menu 308
- Label Value vs. States Charts 310
- Chart Menu Map 310
- Y-axis Label Value Field 314
- X-axis label / state 315
- Xmin and Xmax fields 315
- Label field 315
- Scaling the Axes 316
- Min and Max Scaling Fields 317
- Markers / Range Field 318
- Statistics Display 333
- Statistics display 333
- States Markers 334
- The Compare Menu 338
- Compare Menu Map 340
- Reference Listing Field 342
- Difference Listing Field 343
- Copy Trace to Compare Field 345
- Find Error Field 346
- Partial range fields 347
- Mask Field 348
- Stop Measurement Fields 349
- Stop measurement 349
- Compare type options 350
- Compare field 350
- X-O field 351
- X-O options menu 351
- Bit Editing Field 353
- Error Messages 356
- Warning Messages 360
- Advisory Messages 363
- Specifications and 364
- Characteristics 364
- Specifications 366
- Operator’s Service 378
- Preparing For Use 380
- To inspect the logic analyzer 381
- Ferrites (1664A Only) 381
- To apply power 383
- To operate the user interface 383
- To set the line voltage 384
- To degauss the display 385
- To clean the logic analyzer 385
- To test the logic analyzer 385
- Troubleshooting 386
- To use the flowcharts 386
- To check the power-up tests 389
- 2 Tests 394
- To run the self-tests (1664A) 396
- To test the auxiliary power 403
- Index - 1 404
- Index - 2 405
- Index - 3 406
- Index - 4 407
- Index - 5 408
- Index - 6 409
- DECLARATION OF CONFORMITY 410
- Product Regulations 411
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