HP HP 16500C - Manuals - manualsarea.com

Page 2 - be armed by an external instrument,

HP 16500C—At a Glance A system of measurement modules The HP 16500C is the mainframe of theHewlett-Packard Logic AnalysisSystem. It offers a modular structure forplug-in cards with a wide range of state,timing, oscilloscope, and patterngenerator capabilities. A powerful, easy-to-use interface The to...

Page 3 - iii

Page 4 - iv

Page 5 - In This Book; This

In This Book This User’s Guide shows you how to use the HP 16500C Logic Analysis System inyour everyday debugging work. Chapter 1, “Triggering,” shows you howto set up the analyzer to trigger on thevarious kinds of events present in yoursystem. Advanced triggering capabilityallows you to look at onl...

Page 6 - See Also; Logic Analysis System Programmer’s Guide

about specific application problems and how to solve them using an HP logicanalyzer. See Also For general information on setup and operation of the HP 16500C, see the HP 16500C /16501A Logic Analysis System User’s Reference . For information on programming the HP 16500C using a computer controllersu...

Page 7 - Contents; Triggering; Cross-Arming Trigger Examples 1–22; Intermodule Measurements; Intermodule Measurement Examples 2–4

Contents 1 Triggering To store and time the execution of a subroutine 1–3To trigger on the nth iteration of a loop 1–5To trigger on the nth recursive call of a recursive function 1–6To trigger on entry to a function 1–8To capture a write of known bad data to a particular variable 1–10To trigger on a...

Page 8 - File Management; Transferring Files Using the Flexible Disk Drive 3–3

To capture state flow showing how your target system processes an interrupt 2–16 To test a circuit using stimulus-response 2–17To use a state analyzer to trigger timing analysis of a count-down on a set of data lines 2–18 To monitor the activity of two coprocessors in a target system 2–19 Special di...

Page 9 - An event wasn’t captured by one of the modules 5–11; ix

4 Concepts The Trigger Sequencer 4–3 The Inverse Assembler 4–10 Configuration Translation for Analyzer Modules 4–13 5 If You Have a Problem Analyzer Problems 5–3 Intermittent data errors 5–3Unwanted triggers 5–3No Setup/Hold field on format screen 5–4No activity on activity indicators 5–4Capacitive ...

Page 11 - Triggering

Page 12 - You set up sequential triggering as follows:

Triggering As you begin to understand a problem in your system, you may realizethat certain conditions must occur before the problem occurs. Youcan use sequential triggering to ensure that those conditions haveoccurred before the analyzer recognizes its trigger and capturesinformation. You set up se...

Page 13 - Select the state analyzer Trigger menu.; While storing “no state” Trigger on “In_range1” 1 time; To store and time the execution of a subroutine

To store and time the execution of a subroutine Most systems software of any kind is composed of a hierarchy of functionsand procedures. During integration, testing, and performance evaluation, youwill want to look at specific procedures to verify that they are executingcorrectly and that the implem...

Page 14 - Example

Example Suppose you want to trigger on entry to a routine called MY_SUB. You candefine the address of MY_SUB in the Format menu, allowing you to referencethe symbol name when setting up the trace specification. Assume thatMY_SUB extends for 0A hex locations. You can set up the trigger sequenceras sh...

Page 15 - While storing “no state” Find LP_END 1 time; To trigger on the nth iteration of a loop

To trigger on the nth iteration of a loop Traditional debugging requires print statements around the area of interest.This is not possible in most embedded systems designs. But, the analyzerallows you to view the system’s behavior when a particular event occurs.Suppose that your system behaves incor...

Page 16 - While storing “no state” Find “F_END” 1 time; To trigger on the nth recursive call of a recursive function

To trigger on the nth recursive call of a recursivefunction 1 Select the state analyzer Trigger menu. 2 Define the terms CALL_ADD, F_START, and F_END to represent thecalled address of the recursive function, and the start and endaddresses of the function. Define F_EXIT to represent the address ofthe...

Page 18 - While storing “anystate” Find “F1_START” 1 time; To trigger on entry to a function

To trigger on entry to a function This sequence triggers on entry to a function only when it is called by oneparticular function. 1 Select the state analyzer Trigger menu. 2 Define the terms F1_START and F1_END to represent the start andend addresses of the calling function. Define F2_START to repre...

Page 20 - While storing “anystate” TRIGGER on “BAD_DATA; To capture a write of known bad data to a particular variable

To capture a write of known bad data to a particularvariable The trigger specification ANDs the bad data on the data bus, writetransaction on the status bus, and address of the variable on the address bus. 1 Select the state analyzer Trigger menu. 2 Define the terms BAD_DATA, WRITE, and VAR_ADDR to ...

Page 21 - To trigger on a loop that occasionally runs too long

To trigger on a loop that occasionally runs too long This example assumes the loop normally executes in 14 µ s. 1 Select the state analyzer Trigger menu. 2 Define terms LP_START, LP_END, and Timer1 to represent the startand end addresses of the loop, and the normal duration of the loop. You can make...

Page 23 - TRIGGER on “PATTERN” > 40 ns; To trigger after all status bus lines finish transitioning

To trigger after all status bus lines finish transitioning In some applications, you will want to trigger a measurement when aparticular pattern has become stable. For example, you might want to triggerthe analyzer when a microprocessor’s status bus has become stable duringthe bus cycle. 1 Select th...

Page 24 - Select the timing analyzer Trigger menu.; TRIGGER on “CHIP_SEL” 10 times; To find the nth assertion of a chip select line

To find the nth assertion of a chip select line 1 Select the timing analyzer Trigger menu. 2 Define the glitch/edge1 term to represent the asserting transition onthe chip select line. You can rename the Edge1 term to make it correspond more closely to theproblem domain, for example, to CHIP_SEL. 3 U...

Page 25 - Find “ADDRESS” > 80 ns

To verify that the chip select line of a memory chip isstrobed after the address is stable 1 Select the timing analyzer Trigger menu. 2 Define a term called ADDRESS to represent the address in questionand the Edge1 term to represent the asserting transition on the chipselect line. You can rename the...

Page 26 - Find “REM_SEL” 1 time

To trigger when expected data does not appear on thedata bus from a remote device when requested 1 Select the timing analyzer Trigger menu. 2 Define a term called DATA to represent the expected data, the Edge1term to represent the chip select line of the remote device, and theTimer1 term to identify...

Page 28 - To test minimum and maximum pulse limits

To test minimum and maximum pulse limits 1 Select the timing analyzer Trigger menu. 2 Define the Edge1 term to represent the positive-going transition, anddefine the Edge2 term to represent the negative-going transition onthe line with the pulse to be tested. You can rename these terms to POS_EDGE a...

Page 30 - Find “REQ” 1 time; To detect a handshake violation

To detect a handshake violation 1 Select the timing analyzer Trigger menu. 2 Define the Edge1 term to represent either transition on the firsthandshake line, and the Edge2 term to represent either transition onthe second handshake line. You can rename these terms to match your problem, for example, ...

Page 31 - You can rename these to BTACK1 and BTACK2.; To detect bus contention

To detect bus contention In this sequencer setup, the trigger occurs only if both devices assert theirbus transfer acknowledge lines at the same time. 1 Select the timing analyzer Trigger menu. 2 Define the Edge1 term to represent assertion of the bus transferacknowledge line of one device, and Edge...

Page 32 - Cross-Arming Trigger Examples

Cross-Arming Trigger Examples The following examples use cross arming to coordinate measurementsbetween two instruments. The cross-arming is set up in the ArmingControl menu (obtained by selecting Arming Control in the Triggermenu). When coordinating measurements between two or moreanalyzers, select...

Page 33 - TRIGGER on “glitch/edge1” 1 time; To examine software execution when a timing violation occurs

To examine software execution when a timingviolation occurs The timing analyzer triggers when the timing violation occurs, and when ittriggers, it also sets its “arm” level to true. When the state analyzer receivesthe arm signal, it triggers immediately on the present state. 1 Select the timing anal...

Page 34 - TRIGGER on “arm

To look at control and status signals during executionof a routine The state analyzer will trigger on the start of the routine whose control andstatus signals are to be examined with finer resolution than once per buscycle. When it triggers, it will switch its “arm” level true. The timing analyzerwi...

Page 35 - Intermodule Measurements

Page 38 - Intermodule Measurement Examples; Select the Intermodule menu.; The modules are listed under “Modules” on the right side of the menu.; Select the Group Run field in the upper right hand corner.

Intermodule Measurement Examples To set up an intermodule measurement, you must use theIntermodule menu. All modules that will participate in theintermodule measurement must be represented in this menu and theirrelationships must be shown under the Group Run field. To set up a group run of modules w...

Page 39 - To set up a group run of modules within the HP 16500C

Oscilloscope Arms State Analyzer in Group Run The analyzer in slotB is armed whenthe oscilloscope inslot D finds itstrigger condition. Intermodule Measurements To set up a group run of modules within the HP 16500C 2–5

Page 40 - The choices are TTL, ECL, and User. The latter allows you to specify a; “To set up a group run of modules within the HP 16500C.”; To start a group run of modules from an external trigger source

To start a group run of modules from an externaltrigger source 1 Connect the arm signal from the external instrument or system to thePORT IN BNC connector on the rear panel of the HP 16500 frame. 2 Select the Intermodule menu. 3 Set up the group run specification. 4 Select the PORT IN/OUT field. a S...

Page 42 - Select Off if no module should drive PORT OUT.; Select Done in the PORT IN/OUT Setup menu.

To start an external instrument on command from amodule within the HP 16500 and 16501 mainframe You can set up a module in a group run so that it sends a pulse through thePORT OUT rear panel BNC. The pulse can be used to start or stop ameasurement in an external instrument or system. 1 Set up the gr...

Page 44 - To see the status of a module within an intermodule measurement

To see the status of a module within an intermodulemeasurement 1 Select the Intermodule menu. 2 Find the name of the module under the “Modules” list, and read thestatus under the module name. The status can be either Running or Stopped. You can interpret theseindications as follows: • If a module wa...

Page 48 - To use a timing analyzer to detect a glitch

To use a timing analyzer to detect a glitch The following setup uses a state analyzer to capture state flow occurring atthe time of the glitch. This can be useful in troubleshooting. For example, youmight find that the glitch is ground bounce caused by a number ofsimultaneous signal transitions. 1 S...

Page 49 - Select the Intermodule Menu.; To capture the waveform of a glitch

To capture the waveform of a glitch The following setup uses the triggering capability of the timing analyzer andthe acquisition capability of the oscilloscope. 1 Select the Intermodule Menu. 2 Select the timing analyzer from the Modules list and set it to GroupRun. Select the oscilloscope module an...

Page 50 - This setup can help you answer questions like the following:

To capture state flow showing how your target systemprocesses an interrupt Use an oscilloscope with a sample rate faster than the microprocessor clockrate to trigger on the asynchronous interrupt request. 1 Select the Intermodule menu. 2 Select the oscilloscope from the Modules list and set it to Gr...

Page 51 - The; To test a circuit using stimulus-response

To test a circuit using stimulus-response 1 Select the Intermodule menu. 2 Select the pattern generator from the Modules list and set it to GroupRun. Select the oscilloscope module and set it to respond to the armsignal from the pattern generator. Select the state analyzer and set itto respond to th...

Page 53 - To monitor the activity of two coprocessors in a target system

To monitor the activity of two coprocessors in a targetsystem Debugging coprocessor systems can be a complex task. Replicated systemsand contention for shared resources increase the potential problems. Usingtwo state analyzers with preprocessors can make it much easier to discoverthe source of such ...

Page 54 - Select Group Run from the upper right corner of the display.; “Special Displays” in this chapter.

7 Select Group Run from the upper right corner of the display. After the measurement is complete, you can interleave the trace lists of bothstate analyzers to see the activity executed by both coprocessors duringrelated clock cycles. You can use a similar procedure if you have only one processor, bu...

Page 55 - Special displays; Interleaved Trace Lists

Special displays Interleaved Trace Lists Interleaved trace lists allow you to view data captured by two or moreanalyzers in a single trace list. When you interleave the traces, you seeeach state that was captured by each analyzer. These states areshown on consecutive lines. You can interleave state ...

Page 56 - Select Trigger from the menu field and set Count to Time.; To interleave trace lists

To interleave trace lists 1 Set up the analyzers whose data you wish to interleave as part of agroup run. You won’t need to do this if the two measurement modules for which youwant mixed display are really part of the same module. For example, youmight have an HP 16550A state/timing analyzer configu...

Page 57 - “To set up a group run of modules within the HP 16500C” in this chapter.

Interleaved Trace Lists on the HP 16550A See Also “To set up a group run of modules within the HP 16500C” in this chapter. Labels for theinterleaved states areshown above those forthe primary analyzer. Interleaved statesare shown in yellowwith line numbersindented from thoseof the primaryanalyzer. I...

Page 58 - Select the module for which you wish to show waveforms.; This might be an oscilloscope module or a timing analyzer.; Select the state analyzer.; To view trace lists and waveforms together on the same display

To view trace lists and waveforms together on thesame display 1 Set up the modules whose data you wish to view as part of a grouprun. You won’t need to do this if the two measurement modules for which youwant mixed display are really part of the same module. For example, youmight have an HP 16550A s...

Page 60 - Skew Adjustment

Skew Adjustment You can modify the skew or timing deviation between modules withinthe intermodule measurement. This allows you to compensate for anyknown delay of the system under test, or to compare two signals byfirst removing any displayed skew between the signal channels. Skew adjustments can co...

Page 62 - Record the differences shown by the two modules.; You can use the X and O markers to measure the differences in delays.

8 Record the differences shown by the two modules. You can use the X and O markers to measure the differences in delays. 9 Select the Intermodule Menu. 10 Select Skew, then enter a skew correction value for one of themodules using the knob or the keyboard. 11 Return to the module waveform display an...

Page 63 - File Management

Page 64 - Guide

File Management A host computer such as a PC or UNIX workstation can enhance theHP 16500C in many ways. You can use the host to store configurationfiles or measurement results for later review. Screen images from theHP 16500C can be saved in bitmap files for inclusion in reportsdeveloped using word ...

Page 65 - Transferring Files Using the Flexible Disk Drive

Transferring Files Using the Flexible Disk Drive Because the flexible disk drive on the HP 16500C will read and writedouble-sided, double density or high-density disks in MS-DOS format,it is a useful tool for transferring images to and from IBMPC-compatible computers as well as other systems that ca...

Page 66 - Select System from the module field.; To save a measurement configuration

To save a measurement configuration You can save measurement configurations on a 3.5-inch disk or on theinternal hard disk for later use. This is especially useful for automatingrepetitive measurements for production testing. 1 Select System from the module field. 2 Select Hard Disk or Flexible Disk...

Page 68 - Your choice here depends on where you saved the configuration.; Select Load from the disk operations field.; To load a measurement configuration

To load a measurement configuration You can quickly load a previously saved measurement configuration, savingthe trouble of manually setting up the measurement parameters for eachmodule. 1 Select System from the module field. 2 Select Hard Disk or Flexible Disk from the Menu field. Your choice here ...

Page 70 - Select Print Disk from the Print menu.; To save a trace list in ASCII format

To save a trace list in ASCII format Some HP 16500C displays, such as file lists and trace lists, contain columns ofASCII data that you may want to move to a PC for further manipulation oranalysis. You can save these displays as ASCII files, using a procedure similarto that for creating graphics ima...

Page 72 - Insert a DOS-formatted flexible disk in the flexible disk drive.; Choose one of the following formats:; Select Flexible Disk from the Output Disk menu.; To save a menu or measurement as a graphic image

To save a menu or measurement as a graphic image You can save menus and measurements to disk in one of four differentgraphics formats. 1 Insert a DOS-formatted flexible disk in the flexible disk drive. 2 Set up the menu whose image you want to capture, or run ameasurement from which you want to save...

Page 74 - To load system software

To load system software 1 Insert the first disk containing the system software. 2 Select System from the module field. 3 Select Hard Disk from the menu field. 4 Select Change Directory from the disk operation field. 5 Select the directory SYSTEM using the knob, and select Execute. 6 Select Flexible ...

Page 75 - Using the LAN Interface; set up the HP 16500C configuration

Using the LAN Interface The LAN Interface of the HP 16500C extends the Logic AnalysisSystem by making it look like a NFS (Network File System) node.Using NFS utilities for the PC or NFS on a UNIX workstation, you cantransfer files to and from the HP 16500C as if it were a disk driveattached to your ...

Page 76 - HP 16500C System Programmer’s Guide.; If you are using a UNIX system, you might use the

To set up the HP 16500C You can set up the HP 16500C from the front panel, or via the LAN. To set upthe system via the LAN, you can use one of three methods: • Copy a configuration file from your PC or workstation to one of the filescalled setup.raw in the HP 16500C directory tree. • Remotely load a...

Page 77 - If you are using a UNIX system, you can use the UNIX

Example You want to load a configuration file called “486_bus” from the hard disk ofthe HP 16500C into an HP 16550A state/timing module. The HP 16550A isinstalled in slot B of the HP 16500C mainframe. To load the configuration filefrom the HP 16500C hard disk, you need to send the programming comman...

Page 78 - Set up the system for the measurement you want to make.; Run the analyzer to acquire data.; You can do this from the front panel or remotely.; To transfer data files from the HP 16500C system to your computer

To transfer data files from the HP 16500C system toyour computer You can transfer data from the HP 16500C system to your PC or workstationby copying files. Data files in binary format are available in file locations \slot_x\data.raw . These binary files can be transferred to your computer and then r...

Page 80 - copy

To transfer graphics files from the HP 16500C systemto your computer The current display of the HP 16500C is available in four different formats. 1 Set up the display you want to transfer. 2 Copy the file in the format of your choice from the directory \system\graphics . • The file screen.tif is a c...

Page 81 - Concepts

Page 83 - The Trigger Sequencer; Trigger Sequence Specification

The Trigger Sequencer Logic state and timing analyzer modules for the HP 16500C havetriggering and data storage features that allow you to capture only thesystem activity of interest. Understanding how these features workwill help you set up analyzer trigger specifications that satisfy yourmeasureme...

Page 84 - Sequence-Advance Specification

State Analyzer Sequencer with Four States Each state, except for the last, has two branch conditions. These arethe sequence-advance and sequence-else specification. (Thetrigger-on specification is a special sequence-advance specificationthat is described in the section “TRIGGER On Specification.”) S...

Page 85 - The trigger specification can look like the following:

Sequence-Else Specification The sequence-else branch, sometimes called the “else if” branch orsecondary branch, may branch to any other state, including thecurrent state, a previous state, or a later state. The sequence-elsespecification looks like the following: Else on "<TERM>" go to...

Page 86 - Analyzer Resources; 0 Pattern Terms

you want to capture activity after the trigger is captured, define anadditional sequence level and specify the desired storage qualificationfor post-trigger activity (for example, store “anystate”). Analyzer Resources The sequence-advance, sequence-else, storage, and trigger-onspecifications are set...

Page 87 - Limitations Affecting Use of Analyzer Resources

Where <TERM> can be a single value on a set of labels, any valuewithin a range of values on a set of labels, or a glitch or edge transitionon a bit or set of bits. Limitations Affecting Use of Analyzer Resources There are limitations on the way resources can be combined to formcomplex pattern ...

Page 89 - The Timing Analyzer

The following figure shows the possible combinations of the a, b, c andRange1 terms: Combining a, b, c, and Range1 Terms The following combination is not valid, because pairs cross groupboundaries: ((a+b) + (h • In_Range2)) • (j xor Timer2 > 400 ns) Note that the analyzer interface will not allow...

Page 90 - The Inverse Assembler; inverse assemble

The Inverse Assembler When the analyzer captures a trace, it captures binary information.The analyzer can then present this information in binary, octal,decimal, hexadecimal, or ASCII. Or, if given information about themeaning of the data captured, the analyzer can inverse assemble the trace. The in...

Page 93 - Configuration Translation for Analyzer Modules

Configuration Translation for Analyzer Modules Configuration files provide an easy way for you to save and restoremeasurement setups, simplifying repeated measurements. However,sometimes you might change analyzer modules in the HP 16500CLogic Analysis System to gain additional measurement features. ...

Page 97 - If You Have a Problem

Page 98 - C A U T I O N

If You Have a Problem Occasionally, a measurement may not give the expected results. If youencounter difficulties while making measurements, use this chapter toguide you through some possible solutions. Each heading lists aproblem you may encounter, along with some possible solutions. Errormessages ...

Page 99 - Analyzer Problems; Intermittent data errors; Unwanted triggers

Analyzer Problems This section lists general problems that you might encounter whileusing the analyzer. Intermittent data errors This problem is usually caused by poor connections, incorrect signal levels, ormarginal timing. Remove and reseat all cables and probes; ensure that there are no bentpins ...

Page 100 - Check for bent or damaged pins on the preprocessor probe.; Capacitive loading; Remove as many pin protectors, extenders, and adapters as possible.; No Setup/Hold field on format screen

No Setup/Hold field on format screen The HP 16540 and 16541 (A and D models), or HP 16542A logic analyzercards are not calibrated. Refer to your logic analyzer reference manual forprocedures to calibrate the cards. No activity on activity indicators On the HP 16510A Logic Analyzer, check the fuse th...

Page 101 - No trace list display

No trace list display If there is no trace list display, it may be that your analysis specification is notcorrect for the data you want to capture, or that the trace memory is onlypartially filled. Check your analysis sequencer specification to ensure that it willcapture the events of interest. Try ...

Page 102 - Preprocessor Problems; User’s; Target system will not boot up; Power up the analyzer and preprocessor.; “Capacitive Loading” in this chapter.

Preprocessor Problems This section lists problems that you might encounter when using apreprocessor. If the solutions suggested here do not correct theproblem, you may have a defective preprocessor. Refer to the User’s Guide for your preprocessor for test procedures. Contact your local Hewlett-Packa...

Page 103 - Service Guide; Erratic trace measurements; Preprocessor; Slow clock

Slow clock If you have the preprocessor interface hooked up and running and observe aslow clock or no activity from the interface board, the +5 V supply comingfrom the analyzer may not be getting to the interface board. To check the +5 V supply coming from the analyzer, disconnect one ofthe logic an...

Page 105 - Inverse Assembler Problems; No inverse assembly or incorrect inverse assembly; display

Inverse Assembler Problems This section lists problems that you might encounter while using theinverse assembler. When you obtain incorrect inverse assembly results, it may be unclearwhether the problem is in the preprocessor or in your target system. Ifyou follow the suggestions in this section to ...

Page 106 - See your; Inverse assembler will not load or run

Check the activity indicators for status lines locked in a high or lowstate. Verify that the STAT, DATA, and ADDR format labels have not beenmodified from their default values. These labels must remain as they are configured by the configuration file. Donot change the names of these labels or the bi...

Page 107 - Intermodule Measurement Problems; An event wasn’t captured by one of the modules; Adjust the skew in the Intermodule menu.

Intermodule Measurement Problems Some problems occur only when you are trying to make ameasurement involving multiple modules. An event wasn’t captured by one of the modules If you are trying to capture an event that occurs very shortly after the eventthat arms one of the measurement modules, it may...

Page 108 - Messages; Logic Analyzer Reference

Messages This section lists some of the messages that the analyzer displayswhen it encounters a problem. “Default Calibration Factors Loaded” (HP 16540,16541, and 16542) The default calibration file for the logic analyzer was loaded. The logicanalyzer must be calibrated when using HP 16540A/D, HP 16...

Page 109 - “Measurement Initialization Error”

“Measurement Initialization Error” This error occurs when you have installed the cables incorrectly for one ortwo HP 16550A logic analysis cards. The following diagrams show the correctcable connections for one-card and two-card installations. Ensure that yourcable connections match the drawing, the...

Page 110 - “To Load a Configuration File” in chapter 3, “File Management.”; “Selected File is Incompatible”; User’s Guide; “No Configuration File Loaded”

“No Configuration File Loaded” This is usually caused by trying to load a configuration file for one type ofmodule or the system into a different type of module. Verify that the appropriate module has been selected from the Load{module} from File {filename} in the HP 16500 disk operation menu.Select...

Page 111 - “State Clock Violates Overdrive Specification”

“State Clock Violates Overdrive Specification” At least one 16-channel pod in the state analysis measurement stored adifferent number of states before trigger than the other pods. This is usuallycaused by sending a clocking signal to the state analyzer that does not meetall of the specified conditio...

Page 112 - If a “don’t care” trigger condition is set, this message indicates:; “Waiting for Trigger”

“Waiting for Trigger” If a trigger pattern is specified, this message indicates that the specifiedtrigger pattern has not occurred. Verify that the triggering pattern iscorrectly set. When analyzing microprocessors that fetch only from long-word alignedaddresses, if the trigger condition is set to l...

Page 113 - Application Notes

Page 114 - Application Notes and Product Notes

Application Notes Hewlett-Packard has prepared several application notes and productnotes that show you how to get more out of your HP 16500C LogicAnalysis System. Each note focuses on a particular application orproblem, showing you the components of the problem, the approachrequired to solve it, th...

Page 117 - Glossary; See

Glossary acquisition Denotes one complete cycle of data gathering by a module.For example, in the HP 16532 oscillo-scope, one complete cycle gathers8000 samples of information andstores them in acquisition memory. arm The arm output from a mod- ule is set false when the modulebegins running and is s...

Page 121 - Glossary–5

You should adjust measurement mod-ules to eliminate as much skew aspossible so that it does not affect theaccuracy of your measurements. source field In the oscilloscope, the field that allows you to select achannel for edge triggering and trig-ger level setting. state sequence levels The indi- vidu...

Page 122 - trigger; Trigger is a reference; TRIGGER on specification; Trigger position; Glossary–6

trigger Trigger is a reference event around which you want togather information. In the analyzer,you might want to trigger on a glitchin hardware or entry to a subroutinein software. When beginning, youmight want to trigger on the first oc-currence of any kind (trigger on“anystate”). As you learn mo...

Page 123 - vertical position; vertical sensitivity; In the oscilloscope or tim-; Glossary–7

-002, etc), and states captured afterthe trigger are numbered with posi-tive numbers (001, 002, etc). vertical position See offset field. V/div See vertical sensitivity vertical sensitivity In the oscillo- scope, the voltage value thatdetermines the amplitude of thewaveform on the screen. It is meas...

Page 124 - Glossary–8

Page 125 - Index; Index–1

Index A Activation record, 1–6Address bus, 4–10Address ranges, 1–3Analyzer concepts, 4–2 Analyzer problems, 5–3 capacitive loading, 5–4intermittent data errors, 5–3no activity on activity indicators, 5–4no setup/hold field on format screen, 5–4unwanted triggers, 5–3 Anystate, 1–5, 2–4, 4–5Arm input,...

Page 126 - Index–2

N NFS node, 3–13No state, 1–3, 4–5Non-reference channel, 2–26Not, 4–5 O Onscreen keypad, 2–6Output Disk menu, 3–8Output Format field, 3–8 P Pair boundaries, 4–8Pairs, 4–7Pattern expression, 4–7Pattern generators, 2–17Pattern terms, 4–6PC Paintbrush files, 3–10Pipelining add depth to start address, 1...

Page 127 - Index–3

V Verifying chip select line is strobed, 1–15correct execution, 1–3correct storage, 1–12efficiency, 1–3 Viewing trace lists and waveforms together, 2–25 W Watchdog timer behavior, 2–20Waveforms deleting, 2–27inserting, 2–27viewing with trace lists, 2–25 Index Index–3

Page 128 - Index–4