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4 Triggering
166 InfiniiVision Oscilloscopes User’s Guide
UART/RS232 Trigger
To trigger on a UART (Universal Asynchronous Receiver/Transmitter) signal connect the
oscilloscope to the Rx and Tx lines and set up a trigger condition. RS232 (Recommended
Standard 232) is one example of a UART protocol.
1 Press [Save/Recall]&Default Setup.
2 Press the [Label] key to switch labels on.
3 Turn on any analog or digital channels that you will be using for the UART/RS232
signals.
4 Press the [More] key in the Trigger section of the front panel. Rotate the Entry knob
until UART/RS232 is displayed in the Trigger softkey
5 Press the Settings softkey to display the UART/RS232 Trigger Menu.
Define
Bus
Trigger
Setup
Trigger level
or threshold
Currently
selected Rx or
Tx channel
UART/RS232
trigger mode
Return to
previous menu
Define
Signal
Channels
Trigger
Base
- Agilent InfiniiVision 1
- 5000/6000/7000 1
- Series Oscilloscopes 1
- Book Map 3
- In This User’s Guide… 4
- Contents 10
- Introduction 21
- Models Covered in this Manual 22
- Licensed Options 24
- ALIBRATION OPTION 25
- PGRADE OPTIONS (CONTINUED) 25
- 1 Introduction 26
- Initial Setup 27
- Package Contents 28
- InfiniiVision 5000 Series 29
- Oscilloscope 29
- 2 Initial Setup 30
- 6000A Series Option BAT 31
- Initial Setup 2 33
- Accessories Available 34
- “Active Probes” on page 74 35
- To retract the feet 39
- 5000 Series Overlay 40
- 6000 Series Overlay 41
- 7000 Series Overlay 42
- TOOLS REQUIRED (NOT SUPPLIED) 43
- RACK MOUNT HARDWARE SUPPLIED 43
- Ventilation Requirements 47
- Power Requirements 48
- 50 49
- 5 V RMS 49
- Quick Help 55
- Quick Help Languages 56
- Quick Help Updates 56
- To set the clock 57
- To set up the screen saver 58
- Using the Analog Channels 59
- Measurement Hints 61
- Knob softkey 69
- AutoProbe Interface 72
- Passive Probes 73
- Active Probes 74
- Compensating Passive Probes 77
- Calibrating Probes 78
- Digital Probes 80
- Triggering 81
- Trigger Event 83
- Post-Trigger Buffer 83
- Acquisition Memory 83
- Pre-Trigger Buffer 83
- Auto and Normal Trigger modes 84
- Auto Mode 85
- Normal Mode 85
- Trigger Level Adjustment 86
- Trigger Coupling 87
- Trigger Noise Rejection 87
- HF Reject 88
- LF Reject 89
- Noise Rejection 89
- Trigger Holdoff 90
- External Trigger Input 92
- Trigger Output 95
- Trigger Types 96
- CAN Trigger 98
- 4 Triggering 100
- User Defined 101
- Duration Trigger 102
- Edge Trigger 105
- FlexRay Setup and Triggering 107
- FlexRay Triggering 108
- C Trigger 115
- S Trigger 121
- "Trigger" value 126
- No trigger 126
- "Armed" value 126
- LIN Trigger 128
- Probing MIL-STD 1553 Signals 131
- MIL-STD 1553 Triggering 133
- Idle Time 135
- Pattern Trigger 137
- Hex Bus Pattern Trigger 139
- Pulse Width Trigger 140
- Sequence Trigger 143
- Define the “Find” Stage 145
- Define the “Trigger on” Stage 146
- (don’t care) 147
- Adjust the Trigger Level 149
- SPI Trigger 150
- TV Trigger 156
- TV Triggering Examples 159
- To trigger on all sync pulses 161
- RIGGERING ON ALL FIELDS 163
- Triggering 4 165
- -FIELD HOLDOFF TIME 165
- UART/RS232 Trigger 166
- USB Trigger 170
- Bus Idle 171
- SE0 portion of EOP 171
- End of packet trigger 171
- Displaying 173
- Tips for Displaying Waveforms 174
- Stabilizing the Display 174
- Interpreting the Display 175
- 5 Displaying 176
- AutoScale 177
- Enabling Fast Debug AutoScale 178
- Pan and Zoom 179
- Grid Intensity 181
- Infinite Persistence 182
- Using Labels 183
- Vectors (Connect the Dots) 187
- Freeze Display 188
- Antialiasing 189
- XGA Video Output 189
- Time Measurements 192
- Phase and Delay 192
- Voltage Measurements 192
- Making Automatic Measurements 193
- Measurement Statistics 194
- Source channel 195
- (color coded) 195
- Measurement Thresholds 197
- Measurement Definitions 199
- Duty Cycle 200
- Frequency 200
- Fall Time 201
- Rise Time 201
- X at Max Y 202
- X at Min Y 202
- Delay and Phase Measurements 203
- Source 1 204
- Source 2 204
- Amplitude 206
- Extinction Ratio 207
- Peak-Peak 208
- Std Deviation 208
- Preshoot 211
- Overshoot 212
- Cursor Measurements 214
- To make cursor measurements 215
- Cursor Examples 217
- URSORS TRACK ZOOM SWEEP 218
- XY Horizontal Mode 220
- IGNAL CENTERED ON THE DISPLAY 221
- ARE 90 OUT OF PHASE 223
- SIGNALS ARE IN PHASE 223
- Math Functions 224
- Math scale and offset 225
- Multiply 227
- Add or Subtract 228
- OF SUBTRACT 229
- Differentiate 230
- OF DIFFERENTIATE FUNCTION 231
- Integrate 232
- NTEGRATE AND SIGNAL OFFSET 233
- Square Root 234
- OF (SQUARE ROOT) 235
- FFT Measurement 236
- Spectral Leakage 237
- FFT Operation 238
- FFT Measurement Hints 240
- Printing and Saving 243
- Quick Print 244
- 7 Printing and Saving 246
- Saving Oscilloscope Data 247
- Selecting a File Name 249
- Choosing Save Settings 251
- Save Segment 253
- Segmented memory save formats 253
- ECOMMENDED SIGNAL MAPPING 255
- File Explorer 257
- Printing and Saving 7 259
- Acquisition Modes 261
- 8 Acquisition Modes 262
- Acquisition Modes 8 263
- To make a single acquisition 264
- Peak Detect Mode 266
- High Resolution Mode 266
- Averaging Mode 267
- Realtime Sampling Option 269
- Segmented Memory 271
- Re-arm time 273
- Web Interface 275
- To establish a LAN connection 276
- 9 Web Interface 278
- Accessing the Web Interface 280
- Browser Web Control 281
- Remote Programming 283
- Get Image 285
- Identification Function 286
- Instrument Utilities 287
- Setting a Password 288
- To reset the password 289
- Serial Decode/Lister 291
- Serial Decode 292
- 10 Serial Decode/Lister 294
- CAN Serial Decode 295
- Interpreting CAN Decode 298
- CAN Totalizer 299
- Interpreting CAN Lister Data 301
- FlexRay Serial Decode 302
- FlexRay Totalizer 304
- C Serial Decode 306
- Interpreting I 308
- C Decode 308
- C Lister Data 309
- S Serial Decode 310
- S Decode 312
- S Lister Data 313
- LIN Serial Decode 314
- Interpreting LIN Decode 317
- Interpreting LIN Lister Data 319
- MIL-STD 1553 Serial Decode 320
- SPI Serial Decode 323
- Interpreting SPI Decode 327
- Interpreting SPI Lister Data 328
- UART/RS232 Serial Decode 329
- UART/RS232 Totalizer 334
- Mask Test 337
- 11 Mask Test 338
- Troubleshooting Mask Setup 339
- Setup Options 340
- Source Lock 341
- Mask Test Trigger Output 342
- Mask Statistics 343
- Reset Statistics 344
- Transparent 344
- Mask File Identifier 345
- Mask Title 345
- Region 1 346
- Region 2 346
- Building a Mask File 348
- Mask Test 11 349
- Controls and Connectors 351
- Front Panel 352
- External 353
- 12 Controls and Connectors 354
- Rear Panel 362
- Controls and Connectors 12 363
- E 367
- JH:G:8DBB:C9:9867A:DCAN 368
- 86A>7G6I>DCJCEGDI:8I:9 368
- 86A>7G6I>DCEGDI:8I:9 368
- Digital Channels 371
- 13 Digital Channels 372
- Circuit 373
- Channel 373
- Pod Ground 373
- Example 376
- Input Impedance 385
- Probe Grounding 387
- Best Probing Practices 388
- Utilities 391
- 14 Utilities 392
- To perform service functions 393
- User Calibration 394
- Self Test 397
- Reference 399
- About Oscilloscope 400
- Software and Firmware Updates 400
- Installed Licenses 400
- Upgrading to an MSO 401
- 15 Reference 402
- Measurement Category 403
- Environmental Conditions 405
- To clean the oscilloscope 408
- Binary Data (.bin) Format 409
- Binary Header Format 410
- Examples of Binary Files 414
- Reference 15 415
- CSV and ASCII XY files 417
- Acknowledgements 418
- To return the instrument 419
- Contact us 420
- Numerics 421
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