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HP 4155A/4156A SCPI Programming

Programming Example for HP 4145 Users

Following shows HP 4145A/B's ASP keywords and corresponding SCPI

commands of HP 4155A/4156A:

Table 4-2. Corresponding HP 4145 ASP and HP 4155A/56A SCPI Commands

4145A/B SCPI Commands Function Remark

GET P :MMEM:LOAD:STAT Gets setup

.MES

.PRO

le

SINGLE :PAGE:SCON:SING Initiates single measurement

SAVE D :MMEM:STOR:TRAC Saves data to

.DAT

le

PLOT :HCOP Prints/plots present instrument page.

CPLOT :HCOP:ITEM:TRAC Prints/plots measurement graph.

PRINT :HCOP Prints/plots present instrument page.

PAUSE Use BASIC keyword PAUSE

WAIT Use BASIC keyword WAIT

PAGE Set in the Print/Plot setup

4-51

Programming Overview5
How to Migrate Programs6
Manual Overview7
Text Conventions7
Table of Contents8
Figures List17
Tables List17
Using HP Instrument19
Before Operating20
To Switch Screen Mode21
To Use the Help Function22
To Move the Field Pointer23
To Search for a Command23
To Enter a Command into the Editor23
Creating and Executing a Simple Program24
Editing24
Exiting from Editor26
Executing Program26
Modifying Program by Using Editor Functions27
Inserting Lines28
Deleting a Line29
Renumbering30
Inserting Characters31
Recalling Deleted Line32
Indenting32
Saving and Getting a Program33
Listing Contents of Diskette34
Clearing a Program35
Getting a Program35
Summary of Softkeys and Keyboard Operations for Editor36
Other Basic Features37
Branching/Repeating38
Subprograms and COM Blocks39
Basic Operation Tasks41
To Execute HP Instrument BASIC Commands42
To Execute Program42
To List Files43
To Retrieve Program44
To Save Program45
Editor Tasks46
To Start the Editor47
To Quit the Editor47
To Move the Cursor48
To Insert Characters48
To Delete Character49
To Insert Line49
To Delete Line50
To Scroll Pages50
To Recall most Recently Deleted Line51
Control from External Computer52
To Download a Program to HP 4155A/4156A53
To Upload a Program from HP 4155A/4156A55
To Control State of HP 4155A/4156A Program57
Creating ASP-Like IBASIC Programs58
Creating Programs by Using the Typing Aid Softkeys58
Executing the Program60
Creating a Longer Program60
Programming Tips62
Reading HP 4155/56 Data to IBASIC Variables63
Auto Scaling64
HP 4145 ASP and HP 4155A/4156A Corresponding Keywords65
Reference: HP Instrument BASIC67
Screen68
Status Screen71
Keys72
Front-Panel Keys73
Primary Softkeys in Idle, Pause, Run, or Input? Execution Status76
Secondary Softkeys in Idle or Pause Execution Status77
Secondary Softkeys in Run or Input? Execution Status78
Primary Softkeys in Edit Execution Status79
Secondary Softkeys in Edit Execution Status80
External Keyboard84
HP 4155A/4156A Speci C IBASIC Keywords90
Available I/O Resources92
CRT Display93
HP-IB Interfaces93
Serial Interface94
Built-In Diskette Drive95
ASP-Like Commands96
Execute96
Get Setup Directive97
Single Directive97
Standby Directive98
Stress Directive98
Auto-Scale Directive99
Save Data Directive99
Read Data Variable Directive100
Define User Variable Directive101
Print/Plot Directive102
Curve Plot Directive102
Getting Started on Programming105
Creating a Simple Measurement Program106
Before Creating a Program107
Getting the Setup File and Making a Measurement107
To Assign I/O Path108
Controlling from External Computer110
Changing the Sweep Setup Parameters111
Changing the Display Setup Parameters113
Saving All Measurement Results to a Diskette115
Printing the Measurement Results117
Programming for Data Extraction119
Reading Setup Data119
Reading Measurement Data120
Transferring Speci C Data to a File121
Complete Example Program for Vth Measurement124
Example Application Setup for Vth Measurement126
SCPI Programming131
Preparation before Controlling the HP 4155A/56A Via HP-IB133
Controlling from Built-In IBASIC Controller133
SCPI Command Hierarchy134
Using a Semicolon to Reduce Typing134
To Control HP 4155A/56A by HP BASIC Programming135
Programming: Measurement Setup137
To Set or Change HP 4155/56 Setup Data Values138
To Read Setup Data Values140
Programming: Measurement Execution141
To Execute a Sweep or Sampling Measurement142
To Force Stress144
To Start the Knob Sweep Function146
To Control Standby Units147
Programming: File Operation149
To Store Setup Data to Diskette or Internal Memory150
To Store Measurement Data to Diskette or Internal151
Memory151
To Load Setup Data from Diskette or Internal Memory152
To Load Measurement Data from Diskette or Internal Memory153
Programming: Data Transfer154
To Read Measurement Data155
To Transfer Data to HP 4155A/4156A (Using User Variable)156
Programming: Print/Plot Operation160
To Output Setup Data to Printer/Plotter161
To Output Graphics Result Data to Printer/Plotter166
To Output List Results Data to Printer/Plotter169
To Dump Screen Image to Printer/Plotter172
To Save Hardcopy Image to Diskette175
Disabling Instrument Screen Update to Improve Speed177
Auto-Loading of Files178
Programming Example179
Running HP 4145A/B Program Directly on HP 4155A/4156A183
Non-Supported Commands184
Considerations about DI Erences185
Spot Measurement185
Sweep Steps in Logarithmic Step Mode185
Terminator186
Sample Application Programs189
Flash EEPROM Test190
Device Connection for nor Type Flash EEPROM191
Device Connection for NAND Type Flash EEPROM192
Program Customization197
Subprogram "Test Setting"197
Measurement Setup File for Vth Measurement (for nor Type)198
Stress Setup Fi le for Write Pulse of nor Type199
Stress Setup File for Erase Pulse of nor Type199
Stress Setup File for Write Pulse of NAND Type200
Stress Setup Fi le for Erase Pulse of NAND Type200
Program Listing201
Time Dependent Dielectric Breakdown (TDDB)207
Customization208
Electromigration209
Manual Changes Depending on ROM Version213
Timing Considerations214
Data Length Considerations217
Different Data Length in System Mode217
Different Data Length in User Mode220
Index223

Brand	HP
Model	4155A
Category	Measuring Instruments
Language	English

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