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Visual SmartBrowser User`s Manual (UNIX Version)

1. As mentioned earlier the most recently expanded net connection is shown in cyan When you select a circuit object it s shown in red These visual aids are transient they change each time you expand a port or select a different circuit object Visually Identifying Nets with Net Tags In a complex display like the one you ve created in the active Connection View it can be helpful to assign different colors to specific nets 1 Bring the main window to the top and click on the Show Net Tags Tool button e Arrange the Net Tags tool and the Connection View from CLOCK IR so you can see them both completely if necessary you can resize the Net Tags tool In the Net Tags tool click on the button labeled Tag Net white The pointer changes to a pointing hand As long as the pointer is a hand every net you select is tagged with the current color choice but you do not change the global selection In the Connection View from CLOCK IR use circuit object tips to find the 1 12 N 7 net That s the output from one of the MX2 instances in the third column from the left Click on the I 12 N 7 net to select it The net turns white In the Net Tags tool click on Tag Net yellow In the Connection View from CLOCK IR find the I 13 N 7 net and select it It s the net from the other MX2 instance in the same column Note that if you tag a net that is selected you will not see the tag color until you c
2. Showing an Instance in the Connection View To show an instance in the active Connection View select the instance and choose Add Current Selection from the Connection View pop up menu Undoing a Wide Fan In or Fan Out To undo a wide fan in or fan out follow these steps Select the net into or out of the expanded port 2 Click on the Hide Selected Circuit Object tool or press Delete 3 Click on the Hide Unconnected Circuit Objects tool Creating a Sparse Hierarchy View To create a sparse Hierarchy View follow these steps Use the Expand Selection Collapse Selection Hide Selected Circuit Object and Hide Unconnected Circuit Objects tools to display the instances and ports of interest 2 Click on the Create Sparse Hierarchy View button A new Hierarchy View displays just the portion of the design hierarchy that contains the ports and instances in the active Connection View Connection View Pop Up Menu You can use the Connection View pop up menu to do any of the following e Raise Application Shell Window Ctrl A Brings the VSB main window to the top e Zoom Displays a menu of zoom levels Similar to the Change Zoom tool on the Connection View tool bar e Change Display Using the View Controls o Show Action Tool Bar Ctrl T Toggles display of the tool bar in the active Connection View o Show Status Pane Ctrl P Toggles display of status information in the active Connection View 24 Synopsys Inc
3. Actual setup time was 0 2 ns specified minimum is 7 8 ns Model Id 0 Instance A1010A 100 1 27510 8 ns To find the point of violation noted in the error message follow these steps 1 Click on the Show Global Selection Tool button 2 In the Circuit Object text field enter the name of the object df1 cited in the error message This is the string of characters following the last slash 3 In the Scope text field enter the path to the cited instance FA1A This is the string of characters preceding the last slash 4 Make sure the Object Type is correct Instances in this example 38 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview 5 Click on the Select Global button 6 Click on the Create Connection View button 7 Click on the Create Examine View button to check timing values Visualizing a Cause Report from a Simulation Run Here is a sample cause report generated by VSB Trace Triggering cause report from FAIA S 4028 5 ns 1 gt X on model port FA1A S 4028 5 ns 1 gt X on cell port FA1A S UO PAD net FAIA S 4012 8 ns 1 gt X on cell port I 4 U1 S net NS8 4002 7 ns 1 gt X on cell port FA1A CI UO Y net N 6 4000 0 ns 1 gt X on model port FA1A CI Report completed Model Id 0 Instance A1010A 100 1 4028 5 ns To find out the underlying cause of the problem open the cited port in Connection Vie
4. In the ccn file the min typ and max values for this instance are 1300 3600 and 5200 ps respectively as specified in the netlist The current values show that the instance has not been modified since the ccn file was opened You can display these values in different units ns us or ms and you can change the values Change the minimum value from 1300 ps to 1 35 ns Note that your changes affect only this VSB session unless you save the modified netlist ccn file Even then the changes do not affect the original design just the netlist Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser As soon as you begin typing in the min entry box the Accept Modification button becomes available This button changes the value for this instance For this exercise we ll leave the values unchanged So do not click on the Accept Modification button As you can see the graphical pane above the Timing Form shows the association between ports D and CLK 17 Click on some of the other parameters in the Timing list When you select a parameter in the Timing list VSB shows you the associated ports as specified in the compiled netlist Note that some manufacturers define port delays in which timing information is associated with only one pin This instance also includes state information 18 Click on the State Form down arrow button Any state parameters for th
5. SmartCircuit Monitor Enables you to observe any element in your design and receive reports of any changes that occur on that element Causal Tracing Enables you to trace events in a simulation to see where a problem is occurring or to trace the causes of a problem to their roots SmartBrowser interactive tool Enables you to traverse a design and obtain information about any element in the design has a batch mode February 2001 Synopsys Inc 11 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version e Visual SmartBrowser Graphically enables you to traverse a design for information on the design elements does not have a batch mode Debugging Tools SmartCircuit Monitor Causal Tracing SmartBrowser Interactive Tool Figure 1 Debugging Tools Visual SmartBrowser Both the SmartBrowser interactive tool and the VSB enable you to find information about the elements in a design The VSB gives a visual conceptualization of the design whereas the SmartBrowser gives no visual clues to the design Whether you should use the SmartBrowser or the Visual SmartBrowser is primarily a question of preference and possibly circumstances such as the size of your design For more information on SmartCircuit models SmartCircuit monitors causal tracing or the non graphical SmartBrowser interactive tool refer to the SmartModel Library User s Manual Multiple Views Visual SmartB
6. All open views are reduced to icons the main window remains gt Note The Iconify All Windows command reduces the main window too and it closes the Global Selection Net Tags and Windows amp Monitors tools 74 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser This concludes your introduction to Visual SmartBrowser close the VSB main window without saving anything You will discover more features as you use VSB to speed the design and debug process If you are using this tutorial online click on the Close button above to close the tutorial February 2001 Synopsys Inc 75 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 76 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Index Index Accelerators arrow key 45 delete 45 keyboard 44 left mouse button 44 M 45 menu keys changing 51 mouse 44 right mouse button 44 space bar 44 Aliases creating 34 editing 34 removing 34 B Blocks hierarchical collapsing 20 hierarchical expanding 19 Buses creating 35 definitions deleting 37 editing 35 elements adding to 36 elements displaying 35 elements removing 36 elements reordering 36 monitors 32 names defining 35 renaming 37 windows 32 Buttons Close View 64 Create Hierarchy View in tutorial 55 Create Sparse Hierarchy 63 Hide Selected Circuit Object 61 Hide
7. SmartBrowser User s Manual UNIX version After VSB reads the tutorial design netlist it briefly shows the number of instances in the design and then creates a VSB Main Window that looks like this Visual SmartBrowser vsb_tutorial ccn instruction_register File Options View Tools iri gt Note Some illustrations of the windows in this tutorial have been slightly altered in order to make them less awkward on the page If a window in your VSB session comes up slightly different than what you see in an illustration don t worry the graphic has probably been adjusted Before you actually get started with the tutorial here are some suggestions for arranging your screen so you have more room to work 1 Move the main window to the upper right corner of your screen 2 If you are using this tutorial online in PDF format move the tutorial window to the lower right corner and make it as tall as possible without covering the main window 3 Press the page button in the Acrobat Reader to turn off the bookmarks and maximize your reading space 4 Make the tutorial window about a third to a fourth of the overall screen width depending on the size of your monitor You can always adjust the windows to your liking later Using the VSB The main window is not only an entry point into your design when you invoke VSB but it provides you a means to display different windows that have specialized purposes In es
8. changing 51 L Labels changing fonts for 49 ground changing 49 power changing 49 Levels zoom 17 zoom setting 18 Low zoom in connection view 18 in hierarchy view 17 February 2001 M Main window 13 elements 13 Medium zoom in connection view 18 in hierarchy view 17 Menu bar in Main window 13 Menus accelerator keys changing 51 commands 42 File 42 Options 42 pop up menu connection view 24 pop up menu examine view 28 pop up menu hierarchy view 21 Tools 43 View 43 Windows 43 Model control file creating 15 34 Models SmartCircuit 11 Monitors bus 32 net 32 33 state 32 33 Mouse shortcuts 44 Names bus defining 35 Net Tags tool 16 Nets connections hiding individual 24 monitoring 33 monitors 32 multiple specifying 33 removing tags 32 tagging 31 tagging tool 31 windowing 33 windows 32 Synopsys Inc 79 Index O Objects browsing for 29 circuit selecting 42 circuit viewing 14 selected circuit hiding 25 26 unconnected circuit hiding 25 26 Options menu 42 P Panes graphical 27 status 13 16 Status changing default 48 status toggling 14 status toggling display 16 view control 13 16 view control display changing 46 zoom keeping in view 19 Paths scope showing 25 Ports connections hiding expanded 23 drivers showing in Connection view 23 exploring connections from 20 Power labels changing 49 R Receivers showing in Connection view 23 Reports cause 39 effect 4
9. follow these steps 1 From the list of bus elements select the element to remove 2 Click on the Clear Selection button To remove all the elements of a bus follow these steps From the list of Bus Windows or Bus Monitors select the bus 2 Click on the Bus Elements button 3 Click on the Clear List button 36 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Renaming a Bus To rename a bus follow these steps 1 From the list of Bus Windows or Bus Monitors select the bus 2 Click on the Bus Elements button 3 In the Edit Bus field change the bus name and press Enter Deleting a Bus Definition To delete a bus definition follow these steps From the list of Bus Windows or Bus Monitors select the bus 2 Click on the Clear Selection button Specifying Illegal Characters For window and monitor names VSB normally defines the slash as an illegal character and substitutes it with an underscore Disabling Illegal Character Substitutions To disable illegal character substitution follow these steps 1 In the Windows amp Monitors tool click on the Illegal Chars button 2 Clear the Illegal Chars and Substitute Chars fields 3 Click on the OK button Until you specify an illegal character VSB does not create automatic aliases or validate bus names Existing aliases however they were created are not affected Defining Illegal Characters To define il
10. or Tools menu Toggling the Status Pane To toggle display of the status pane in the main window choose the following menu entries Options Show Status Pane Toggling Tool or Circuit Object Tips To toggle display of tool tips or circuit object tips choose the following menu entries Options Show Tool Tips or Options Show Circuit Object Tips Bringing a View to the Foreground To bring a view to the foreground click on the corresponding icon in the view control pane You can also choose the view by name from the Windows menu If necessary you can click on the right and left arrow buttons to scroll more view icons into the view control pane Raising and Iconifying Views To raise or iconify all views choose the following menu entries Windows gt Raise All Views or Windows gt Iconify All Views Creating a Sparse Hierarchy View To create a sparse hierarchy view follow these steps 1 In Connection View use the Expand Selection Collapse Selection Hide Selected Circuit Object and Hide Unconnected Circuit Objects tools to display the instances and ports of interest 2 Click on the Create Sparse Hierarchy View button A new Hierarchy View displays just the portion of the design hierarchy that contains the ports and instances in the active Connection View 14 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Creating a Model Control File To create a model contro
11. steps 1 Select an instance with state information you want to monitor 2 Make sure the State Monitor and State Window buttons are set correctly in the Object Type Filter area A button that is pushed in red means the instance will be added to the corresponding list 3 Click on the Add Object button February 2001 Synopsys Inc 33 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Specifying Multiple States To specify multiple states click on the Auto Add button While the pointer is a box every instance you select if it has state information is added to the specified window and monitor lists Click on the button again to turn off automatic addition Creating an Alias To create an alias follow these steps 1 From the Net Windows State Windows Net Monitors or State Monitors list select a net 2 In the Alias text box type one or more aliases for the net Separate aliases with a blank space 3 Press Enter to record the aliases gt Note Visual SmartBrowser ignores any alias that contains illegal characters Editing or Removing Aliases To edit or remove aliases follow these steps 1 From the Net Windows State Windows Net Monitors or State Monitors list select a net 2 In the Alias text box add modify or delete aliases for the net as needed Remember to separate aliases with a blank space 3 Press Enter to record your changes Creating a Model Control File To c
12. top Each window name specifies the view and the port or instance on which it is based February 2001 Synopsys Inc 43 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Mouse and Keyboard Accelerators Accelerators are shortcuts to frequently used actions VSB defines accelerators for several menu commands and other actions The menu accelerator keys are documented on the menus Following are instructions for how to work the VSB accelerators using the mouse and keyboard Left Mouse Button e In Hierarchy View o Click on an instance or port to make it the global selection o Double click on a non leaf instance to expand or collapse its branch o Double click on a leaf or semiconductor vendor SCV instance to show the instance in a new Examine View o Double click on a port of a non leaf instance to show the port in a new Connection View o Double click on a port of a leaf SCV instance to show the SCV instance in a new Connection View e In Connection View o Click on a net port or instance to make it the global selection o Double click on a port to expand or collapse its net connections o Double click on an SCV instance to show the instance in a new Examine View Right Mouse Button e In Hierarchy Connection or Examine view click to display a context sensitive pop up menu Space Bar e In Hierarchy View o Expands or collapses the selected non leaf instance o Creates a new Examine View ba
13. within the View menu e Detaches the View menu from the tool bar e Create Hierarchy View Opens a Hierarchy View based on the selected object e Create Connection View Opens a Connection View based on the selected object e Create Examine View Opens an Examine View based on the selected object You can use an Examine View to edit timing and initial state values and view other details about the selected object Tools Menu The following commands are available from within the Tools menu e Detaches the Tools menu from the tool bar e Show Global Selection Tool Opens the Global Selection tool where you can select nets ports and model instances by name e Show Net Tags Tool Opens the Net Tags tool where you can set tags colors for specific nets e Show Windows amp Monitors Tool Opens the Windows amp Monitors tool where you can set up windows and monitors for nets states and buses Windows Menu The following commands are available from within the Windows menu e Detaches the Windows menu from the tool bar e Iconify All Windows Ctrl I Reduces the main window and all Hierarchy Connection and Examine View windows to icons Also closes all tool windows e Iconify All Views Reduces all Hierarchy Connection and Examine View windows to icons e Raise All Views Restores all Hierarchy Connection and Examine View windows e window name Brings the named window to the
14. 0 Scope path showing 25 Selection adding from pop up menu 25 collapsing from tool bar 22 26 expanding from tool bar 22 26 80 Synopsys Inc Visual SmartBrowser User s Manual UNIX version finding from pop up menu 21 25 finding from tool bar 22 26 global tool 28 Setup violations visualizing 38 Shortcuts keyboard 44 mouse 44 see also accelerators 44 Show Windows amp Monitors tool 16 Simulations cause reports visualizing 39 effect reports visualizing 40 SmartBrowser customizing 45 SmartCircuit models in VSB 11 Space bar in Connection view 44 in dialog box 45 in Hierarchy view 44 Sparse hierarchy view creating 14 State form 28 States initial editing 41 monitoring 33 monitors 32 multiple specifying 34 windowing 33 windows 32 Status pane 13 16 default display changing 48 toggling 14 toggling display 16 Strings matching 31 Substitutions illegal characters disabling 37 T Tags net 31 removing from nets 32 February 2001 Visual SmartBrowser User s Manual UNIX version Timing instance editing 41 instance viewing 41 Timing form 27 Tips circuit object toggling 14 delay times for changing 48 tool toggling 14 To 49 Tool bar display changing default 47 Tool bars connection view 26 hierarchy view 22 Tool tips default display changing 47 toggling 14 Tools 19 buttons 15 Change Zoom in tutorial 62 Close View 64 Create Sparse Hierarchy View 63 Global Selection
15. 15 28 Hide ze Circuit Object in tutorial Hide Unconnected Circuit Objects in tutorial 61 Net Tags 16 31 Show Global Selection 64 Show Net Tags 67 Show Windows amp Monitors 16 70 vsb 13 Windows amp Monitors 32 Windows amp Monitors view 12 Tools menu 43 V Values initial state editing 41 initial state viewing 41 instance timing editing 41 instance timing viewing 41 Index Views 19 bringing to foreground 14 buttons 15 Connection 12 15 17 23 Connection pop up menu 24 Connection tool bar 26 controls from pop up menu 21 28 divider in tutorial 57 Examine 12 15 27 Examine pop up menu 28 Hierarchy 12 15 17 19 Hierarchy pop up menu 21 Hierarchy tool bar 22 iconifying 14 multiple 12 raising 14 sparse hierarchy creating 14 24 25 26 Windows amp Monitors 12 zoom pane keeping in 19 Violations hold visualizing 38 setup visualizing 38 Visual SmartBrowser VSB customization 45 graphical user interface 11 VSB customization 45 vsb command 13 W Windows bus 32 default changing size 46 main 13 net 32 33 shell from pop up menu 21 24 28 state 32 33 Windows amp Monitors tool 32 view 12 Windows menu 43 View control pane 13 16 Z View menu 43 Zoom February 2001 Synopsys Inc 81 Index change from tool bar 22 26 levels from pop up menu 21 24 Zoom level 17 setting 18 Zoom pane keeping in view 19 Zooms Change Zoom tool in tutorial 62 detail in connection vi
16. EL ISSN Double click on the instruction cell instance I 12 to expand it Scroll the Hierarchy View down and to the right to see the expanded hierarchy Two visual clues distinguish an SCV instance from a hierarchical instance 1 the SCV instance is outlined in black and 2 its label shows that it contains 0 instances The instruction cell instance named I 12 contains four SCV instances Double click on the DFPC named I 12 View Divider When you double click on an SCV instance VSB displays it in a new Examine View Examine View I 12 1 12 sd Pane State Form Button Button You can resize or move the Examine View window if it covers the tutorial This instance includes timing information February 2001 Synopsys Inc 57 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 58 13 14 15 16 Click on the Timing Form down arrow button near the bottom of the Examine View Timing Parameters In the upper graphical pane of the Examine View click on the text label for each input port D CLK CLR and PRE The timing parameters associated with each port are highlighted in the Timing list as you select the port in the graphical pane Click on the TS D CLKNLO timing parameter at the top of the Timing list VSB displays information about the parameter to the right of the list As shown TS D CLKNLO is the setup time on D before CLK
17. February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview o Iconify this View Reduces the active Connection View to an icon o Close this View Closes the active Connection View Same as the Close View tool on the Connection View tool bar e Expand Port Shows the connections from the selected port Same as the Expand Selection tool on the Connection View tool bar e Collapse Port Hides the connections from the selected port Note that the disconnected objects remain visible to hide them click the Hide Unconnected Circuit Objects tool Same as the Collapse Selection tool on the Connection View tool bar e Find Current Selection Centers the selected circuit object in the active Connection View if the view contains the object Use this command after you select an object in another view or tool Same as the Find Selection tool on the Connection View tool bar e Add Current Selection Adds an instance selected in some other view to the active Connection View e Auto Find Current Selection When possible updates the active Connection View automatically to focus on the selected object e Create Sparse Hierarchy View Displays a portion of the design hierarchy containing just the objects in the active Connection View e Hide Unconnected Circuit Object Hides objects in the active Connection View that are not connected to any other object in the view You can use this command to prepare for crea
18. R environment variable open your copy of the X resource file Vsb 2 Find the string toolAnimation near the top of the file 3 To hide the view control pane change TRUE to FALSE To show the view control pane change FALSE to TRUE 4 Save your changes to your copy of Vsb 46 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Changing Default Tool Bar Display To change the default tool bar display follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string show Toolbar near the top of the file 3 To hide the tool bar by default change TRUE to FALSE To show the tool bar by default change FALSE to TRUE 4 Save your changes to your copy of Vsb Changing Default Tool Tips Display To change the default tool tips display follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string showToolTips near the top of the file 3 To hide tool tips by default change TRUE to FALSE To show tool tips by default change FALSE to TRUE 4 Save your changes to your copy of Vsb Changing Default Circuit Object Tips Display To change the default circuit object tips display follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of th
19. SYNOPSYS Visual SmartBrowser User s Manual sxe Visual SmartBrowser User s Manual UNIX version Copyright O 2001 Synopsys Inc All rights reserved Printed in USA Information in this document is subject to change without notice SmartModel ModelAccess ModelTools SourceModel Library LM 1200 and Synopsys Eaglei are registered trademarks MemPro MemSpec MemScope FlexModel LM family LM 1400 Logic Model ModelSource and SourceModel are trademarks of Synopsys Inc All company and product names are trademarks or registered trademarks of their respective owners Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Contents Contents PHPIOE ikke 4s E EKA SEERA SAREE HES CD OOLEEAD SARA ACER EO HOR CR AER ea 7 Li edo 35 MiercecuN C cecaeeiees ere oes 4 Greee ele 655 oe eee eee Fi eG LLael xisk d hg a riban DM deg deed e ep eri MER a 7 NINH ONUS ho EEE EE EESE EE ENE CEE dS REX 7 Typographical and Symbol Conventions 4 45 000sa see8ssa0eeseeee08 8 ENDE E 4 05 ab eee Hg rite or indt dedita e 0p e o ede aA 9 The Synopsys Websil kg 6 kas oho 695 98S HS u dad bb RC Und AER APA 9 Synopsys Common Licensing SCL Document Set 10 Ce eek ee ooh eh S AGRAR ari M aac ee Mp Sabe ie t 10 Chapter 1 LE as eee ree rere ny ree ee ere eee er rer ee nner ry eer 11 DG onc tae ww dE pee os os FR EUR DEC HE awe ee oe ee che ERA E 11 Pe IG Meer P a a ee 12 Main Window TTE 13 View a
20. Unconnected Circuit Objects 61 in Main window 13 mouse in Connection view 44 February 2001 mouse in Hierarchy view 44 Show Global Selection 64 Show Net Tags 67 Show Windows amp Monitors 70 tool 15 view 15 zoom control in tutorial 62 C Cause reports from a simulation run 39 Characters illegal substitutions disabling 37 illegal defining 37 illegal specifying 34 37 matching 30 Circuit object tips default changing display 47 toggling 14 Circuit objects selected hiding 25 26 unconnected hiding 25 26 viewing 14 Circuits object selecting 42 Colors changing 51 Commands menu 42 vsb 13 Connection 26 Connection view 12 15 17 23 closing from tool bar 26 instance showing in 24 pop up menu 24 showing port drivers 23 showing receivers 23 tool bar 26 Connections collapse port from pop up menu 25 Synopsys Inc 77 Index expand port from pop up menu 25 expanded port hiding 23 exploring from a port 20 net hiding 24 Control file model creating 15 Controls view from pop up menu 21 28 CPLD devices 11 Customization of Visual SmartBrowser 45 D Definitions bus deleting 37 Delay times for tips changing 48 Designs opening 13 Detail zoom in connection view 17 in hierarchy view 17 Details instance displaying 20 Devices CPLD 11 FPGA 11 Displays change from popup menu 24 circuit object tips changing default 47 Status pane changing default 48 tool bar changing defau
21. Zoom Pane Detail High Medium Low Figure 3 Zoom Control Buttons Hierarchy View In hierarchy view each port is labeled with its name and direction for example I O or I O For the root design instance symbol pin names are shown in parentheses beside the port names The zoom buttons work as follows e Detail Zoom Each instance is labeled with its cell type its name and the number of contained instances and semiconductor vendor SCV cells e High Zoom Each instance is labeled with its name and cell type e Medium Zoom Each instance is labeled with its name and cell type e Low Zoom Instances are not labeled but circuit object tips show the name and cell type of each instance In this view more of the hierarchy is visible so it is easier to see the overall topology and move about the instance tree Connection View In connection view the zoom buttons work as follows e Detail Zoom o Each port of a hierarchical block is labeled with its name and direction for example I O or I O For the root design instance symbol pin names are shown in parentheses beside the port names o Each SCV instance is labeled with its name and cell type Input ports are shown on the left side of the instance and output ports are shown on the right February 2001 Synopsys Inc 17 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version o Each port on an SCV instance is labeled with its name o Circuit object ti
22. ake it the global selection e In Connection View click on a net port or instance to make it the global selection e In the Global Selection tool select a port net or instance and click on the Select Global button e Inthe Net Tags tool select a net and click on the Select Global button e In the Windows amp Monitors tool select a net or instance and click on the Select Global button Menu Commands Some of the menus in the main window can be detached or torn away from the menu bar To detach a menu click on the menu name and then choose the dashed line at the top of the menu File Menu The following commands are available from within the File menu e Open Ctrl O Displays a dialog box in which you select a netlist file to open e Save Ctrl S Saves the active netlist file This option is available when you change timing or initial state values Changes do not affect the design from which the netlist file was created e Exit Ends the active VSB session Options Menu The following commands are available from within the Options menu e Show Status Pane Ctrl P Toggles display of status information in the main window e Show Tool Tips Toggles display of tool descriptions e Show Circuit Object Tips Toggles display of circuit object descriptions 42 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview View Menu The following commands are available from
23. anual UNIX version Chapter 2 Learning Visual SmartBrowser 16 Select the net from the list under Tag Net white 17 Click on the Select Global button As you can see in the active Connection View the white net is selected That s why it s shown in red for now Connection View CLOCK IR TDO DP053 Net in new global selection l As long as the pointer is a hand this is the only way you can change the global selection You stop tagging and get back the standard pointer by clicking again on the active Tag Net button so that no button is pushed in or by closing the Net Tags tool In the Net Tags tool click on the Close button Defining Windows and Monitors There s one more tool to learn about With VSB you can define windows and monitors on nets states and buses and save them in a model control file for use during simulation February 2001 Synopsys Inc 69 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 1 Bring the main window to the top and click on the Show Windows amp Monitors Tool button NAS 2 From the pull down list at the top of the Windows amp Monitors tool choose Bus Monitors 3 In the Add Bus field type N7_Bus and press the Enter key or Return 4 In the list above the Add Bus field select the bus you just created Bus Elements Button 5 Click on the Bus Elements button 6 Click on the Object Adder down arrow Windows amp Moni
24. apes the special character char Matches any other non special character chars Matches any of the characters in the brackets chars Matches any character except those in the brackets charl char2 Matches any of the characters in the range charl to char2 Examples a z Matches any lowercase letter 0 9 Matches any digit charl char2 Matches any character outside the range charl to char2 period Matches any single character question mark Matches an optional preceding element Examples ab c Matches abc and ac a a z c Matches ac aac abc azc 30 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Matching a String To match a string use the following syntax plus sign Matches one or more occurrences of the preceding element Examples ab c Matches abc abbc abbbc and so on A a z 4 Matches A followed by one or more lowercase letters asterisk Matches zero or more occurrences of the preceding element Examples ab c Matches ac abc abbc abbbc and so on X 123 Matches X optionally followed by any combination of 1s 2s and 3s You can also concatenate regular expressions to create a string For example A a z _Bus 0 9 matches A followed by one or more lowercase letters then Bus then zero or more digits such as Addr Bus00 and Address Bus Net Tags Tool Use this dialog box to tag sp
25. cally HOME apps_defaults containing your copy of Vsb 4 Change the settings in your copy of the Vsb file for any of the following features o Changing Default Window Sizes o Changing the View Control Pane Display o Changing Default Tool Bar Display o Changing Default Tool Tips Display February 2001 Synopsys Inc 45 Chapter 1 O VSB Overview Visual SmartBrowser User s Manual UNIX version Changing Default Circuit Object Tips Display Changing Delay Times for Tips Changing Default Status Pane Display Changing Power and Ground Labels Changing Fonts for Labels Changing Fonts for Graphics Changing Colors Changing Menu Accelerator Keys Changing Default Window Sizes To change the default window size follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Geometry near the top of the file 3 Change the default values for the height and width of the following windows O O O VC_ApplicationShellGUI geometry 800 Main window width in pixels VC_HierarchyShellGUI geometry 420x700 Hierarchy View width and height in pixels VC_ConnectionShellGUI geometry 700x700 Connection View width and height in pixels 4 Save your changes to your copy of Vsb Changing the View Control Pane Display To show or hide the view control pane follow these steps 1 In the directory referenced by the XAPPLRESDI
26. ce in the hierarchy pane February 2001 Synopsys Inc 19 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Collapsing a Hierarchical Block To collapse a hierarchical block do one of the following e By selection a In the hierarchy pane select an expanded instance b Click on the Collapse Selection tool e By double clicking a Double click on the expanded instance Exploring Connections from a Port To explore connections from a port do one of the following e By selection a From the list below the hierarchy pane select the port b Click on the Create Connection View button in the main window e By double clicking a Double click on the port in the list A new Connection View displays the selected port or SCV instance Displaying Instance Details To display details on an instance do one of the following e By selection a In the hierarchy pane select the instance b Click on the Create Examine View button in the main window e By double clicking a Double click on a leaf SCV instance in the hierarchy pane In Examine View you can also modify timing and initial state values for circuit objects that include timing and state information Displaying the Top Level Instance To display the top level design instance follow these steps 1 In Hierarchy View or Connection View click on the selected circuit object or on any unoccupied space to cancel the current selection 2 Click on the C
27. d object February 2001 Synopsys Inc 21 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Hierarchy View Tool Bar Figure 4 illustrates the tool bar buttons available in Hierarchy View a gt OOF Change Zoom Collapse Selection Close View Expand Selection Find Selection Figure 4 Hierarchy View Tool Bar Buttons e Change Zoom Displays a pane of zoom levels Click on the open padlock icon to keep the pane in view Similar to the Zoom command on the Hierarchy View pop up menu e Expand Selection Shows the hierarchy under the selected instance Same as the Expand Tree command on the Hierarchy View pop up menu e Collapse Selection Hides the hierarchy under the selected instance Same as the Collapse Tree command on the Hierarchy View pop up menu e Find Selection Centers the selected object in the active Hierarchy View if the view contains the object Use this command after you select an object in another view or tool Same as the Find Current Selection command on the Hierarchy View pop up menu e Close View Closes the active Hierarchy View Same as the Close this View command on the Hierarchy View pop up menu 22 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Connection View In Connection View you can trace connections through the design Select a port or a semiconductor vendor SCV instance and then click on the C
28. e X resource file Vsb 2 Find the string showCircuitObjectTips near the top of the file 3 To hide circuit object tips by default change TRUE to FALSE To show circuit object tips by default change FALSE to TRUE 4 Save your changes to your copy of Vsb February 2001 Synopsys Inc 47 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Changing Delay Times for Tips VSB normally displays tool tips after 1 5 seconds and circuit object tips after 0 75 seconds In certain network configurations client server communications may take longer than the normal delays resulting in a flickering effect You can lengthen the delays to allow for this or shorten them to get tips faster To change the delay times for tips follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Delay Popup Time of Tips ms 3 Change the delay times for a longer or shorter delay delayTimeToolTips 1500 Delay time for tool tips in milliseconds delayTimeCircuitObjectTips 750 Delay time for circuit object tips in milliseconds 4 Save your changes to your copy of Vsb Changing Default Status Pane Display To change the default status pane display follow these steps e For Hierarchy View and Connection View a In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource fi
29. e instance are listed on the State Form State parameter 19 Click on the STATE parameter in the list As shown this is the internal state of a DFPC instance Its default value is u but you can change the initial value for this instance Valid bit values include 0 1 x unknown u uninitialized z high impedance and unspecified February 2001 Synopsys Inc 59 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 20 ZI For a complex multiple bit state value as with a RAM device you can find a specific bit by dragging the Bit Position slider from right to left or clicking on the arrow buttons beside the slider VSB shows the current bit position above the slider Enter a new value in the Current Value field As soon as you begin typing the Accept Modification button becomes available Remember we ll leave the values unchanged for this exercise When you re ready click on the Close button in the Examine View Identifying Hierarchical and SCV Instances There s another difference between hierarchical instances and SCV instances 60 1 In the port pane double click on port Choose the Raise Application Shell Window d Ld In the Connection View click the right mouse EJ In the View Control pane of the main window LT Click on the DFPC SCV instance named I 12 ra In the port pane of the TOP Hierarchy View Seleti In the Hierarchy View c
30. ecific nets and to set the color of the nets in Connection View Displaying different nets in different colors can make it easier to identify connection paths through a design Tagging a Net To tag a net follow these steps 1 In the Net Tags tool select a color 2 In Connection View select a net While the pointer is a hand every net you select is added to the list under the current color choice 3 When you finish tagging nets click on the current color choice again or close the Net Tags tool February 2001 Synopsys Inc 31 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Removing Tags from Nets To remove the tag from one or more nets follow these steps 1 In the Net Tags tool select the nets to untag 2 Click on the Clear Selected Net Tags button To remove the tag from all the nets of a given color click on the Clear List button under the corresponding color choice list Windows amp Monitors Tool Use this dialog box to do the following e Designate nets states and buses for windowing or monitoring e Create and modify buses and aliases e Create model control files for simulation The upper pane contains a pull down list of window and monitor types Net Windows Net Monitors State Windows State Monitors Bus Windows Bus Monitors The list box below the menu shows all the items of the selected type When a bus is selected the Bus Elements button below the list box is enabled For more i
31. ecific value Shown in italic type as in the following command line example setenv LMC HOME prod dir In this example you substitute a specific name for prod dir when you enter the command Command syntax Choice among alternatives is shown with a vertical bar as in the following syntax example effort level low medium high In this example you must choose one of the three possibilities low medium or high Optional parameters are enclosed in square brackets as in the following syntax example pinl pin2 pinN In this example you must enter at least one pin name pin1 but others are optional pin2 pinN Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Preface Getting Help If you have a question while using Synopsys products use the following resources 1 Start with the available product documentation installed on your network or located at the root level of your Synopsys CD ROM Every documentation set contains overview information in the intro pdf file Additional Synopsys documentation is available at this URL http www synopsys com products Im doc Datasheets for models are available using the Model Directory http www synopsys com products Im modelDir html 2 Visit the online Support Center at this URL http www synopsys com support Im support html This site gives you access to the following resources o SOLV IT the Synopsys automated
32. er area When you re ready you can save the window and monitor information to a model control file for use during simulation 1 Click on the Save To File button 2 Set the Selection field to the name and path where you want to save the model control file using the filter and lists as needed 3 For this tutorial just click on the Cancel button there is no real information to save Just so you can see a model control file however this is how one might look f at aE aE aE aE aE HE aE AE HE AE HE aE aE AE aE AE HE aE aE aE aE Ea HE aE aE EEE EEE EE HHH HH Model Command File MCF HHH HHT Hf at ae at aE at aE HE aE AE HE AE HE a HE aE AE aE AE HE aE aE aE EE aE aE aE EEE aE EE E Load netlist design file ccn load user jdoe hp700 1lib data vsb tutorial ccn Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser Net Monitors List bus I 11 N 9 IS11 NS 9 monitor I 11 NS9 bus I 11 N 7 IS11 N 7 monitor I 1 bus I 13 N 9 1S13 NS9 monitor I 13 N 9 bus I 13 N 7 I 13 N 7 monitor I 13 N 7 bus I 12 N 9 1 12 NS9 monitor I 12 N 9 bus I 12 N 7 I 12 N 7 monitor I 12 N 7 bus N 9 NS9 monitor N 9 bus N 7 NS7 monitor N 7 bus _NS5 NS 5 monitor N 5 bus N 3 NS 3 monit
33. eratorText File menu Open command text on menu menuOpenFileButton accelerator File menu Open command keystroke definition February 2001 Synopsys Inc 51 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version menuSaveFileButton acceleratorText File menu Save command text on menu menuSaveFileButton accelerator File menu Save command keystroke definition menuToolbarToggle acceleratorText Options menu Show Toolbar command text on menu menuToolbarToggle accelerator Options menu Show Toolbar command keystroke definition menuStatusPaneToggle acceleratorText Options menu Show Status Pane command text on menu menuStatusPaneToggle accelerator Options menu Show Status Pane command keystroke definition popupToolbarToggle acceleratorText Pop up menu View Controls menu Show Action Toolbar command text on menu popupToolbarToggle accelerator Pop up menu View Controls menu Show Action Toolbar command keystroke definition popupStatusPaneToggle acceleratorText Pop up menu View Controls menu Show Status Pane command text on menu popupStatusPaneToggle accelerator Pop up menu View Controls menu Show Status Pane command keystroke definition popupRaiseA pplicationButton acceleratorText Pop up menu Raise Application Shell Window command text on menu popupRaiseA pplicationButton accelerator Pop up menu Raise Application Shell Window command keystr
34. ese are called circuit object tips Circuit Object Tip February 2001 Synopsys Inc 65 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version Working with Circuit Object Tips Circuit object tips provide information not displayed at the current zoom level about nets and instances in the active view 1 From the view control pane of the main window bring the CLOCK IR Connection View to the top 2 Expand the CLOCK IR port 3 Expand the Q port on each of the three DFPC instances in the column you just exposed 4 In the next column expand the top output port Q Y or PAD on all six instances 5 Set the zoom level to High 6 Make the Connection View large enough that you can see all the connection paths Now check some of the net connections by resetting the pointer briefly over the output net connection from each of the six output ports you just expanded Connection View CLOCK IR TDO DP053 Rest pointer on each of these net connections uiris mI js 66 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser Three of the nets from those six output ports are named N 7 But the circuit object tips include the scope of the net if it differs from the scope of the active view so you can see that the nets are distinct This is especially useful at zoom levels where scope paths are not visible
35. ew 17 detail in hierarchy view 17 high in connection view 18 high in hierarchy view 17 low in connection view 18 low in hierarchy view 17 medium in connection view 18 medium in hierarchy view 17 82 Visual SmartBrowser User s Manual UNIX version Synopsys Inc February 2001
36. g effect report from FAIA_A at 4000 0 ns Model Id 0 Instance A1010A 100 1 4000 0 ns Trace 4002 7 ns Effect 1 50 on cell port FA1A A UO Y net NS2 Model Id 0 Trace 4013 1 ns Effect X gt 0 on cell port I 4 U0 CO net NS7 Model Id 0 Trace 4022 3 ns Effect X gt 0 on cell port I 4 U1 S net NS8 Model Id 0 Trace 4030 2 ns Effect X gt 0 on cell port FA1A CO UO PAD net FA1A CO Model Id 0 Trace 4030 2 ns Effect X gt 0 on model port FA1A CO Model Id 0 To find out the underlying cause of the problem open the cited port in Connection View using either of these methods e Using the Show Global Selection Tool button a Click on the Show Global Selection Tool button b In the Circuit Object text field enter the name of the port FA1A A cited in the cause report c In the Scope text field enter the path to the cited port d Make sure the Object Type is set to Ports e Click on the Select Global button f Click on the Create Connection View button e From the Hierarchy View a In Hierarchy View select the root instance b From the list of ports below the hierarchy pane double click on the port FA1A_A cited in the cause report 40 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Next trace the output signals 1 In Connection View double click on the port to show the fan out signals 2 On the instance FA1A_A U0 cited
37. hange the global selection or deselect the net Remember the global selection is always shown in red February 2001 Synopsys Inc 67 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 68 Tag one more nets 8 In the Net Tags tool click on Tag Net green 11 12 13 14 15 In the Connection View select the N 7 net 10 In the Net Tags tool click on Tag Net green again The standard pointer returns As you can see the net connections are much easier to follow now that they are tagged To learn a bit more about the Net Tags tool continue with these steps Click on the Tag Net blue button In the Connection View select four or five of the other net connections You can see the nets added to the blue list as you select them in the Connection View Net Tags I Tag Net white Now clear some nets from the list In the Net Tags tool select a couple of nets from the list under Tag Net blue Make sure the nets in the other three lists are not selected Click on the Clear Selected Net Tags button As you can see in the Connection View the nets are no longer tagged You can also clear an entire list at once In the Net Tags tool click on the Clear List button under the list of nets tagged blue As with the Global Selection tool you can change the global selection from within the Net Tags tool Synopsys Inc February 2001 Visual SmartBrowser User s M
38. hat match the pattern you specify in the Browse Filter field Browsing for an Object To browse for an object follow these steps 1 In the Scope field type the path to the circuit object you want to select 2 In the Browse Filter field type part of the object name or type a regular expression to specify one or more objects 3 Click on the Browse Given Scope button or press Enter while the Browse Filter field has the focus Traversing the Hierarchy To traverse the hierarchy follow these steps 1 Set the Object Type to Instances 2 Set the Browse Filter field as needed 3 Click on the Browse Given Scope button 4 Move up or down the design hierarchy o To move down double click on an instance in the list o To move up double click on the double dots at the top of the list TS Note At the root of the design hierarchy the list shows Device device name rather than the double dots February 2001 Synopsys Inc 29 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Regular Expressions Use the Browse Filter field of the Global Selection tool to specify a character or string that appears anywhere in the found names You can use standard regular expression syntax in the Browse Filter field Matching a Character To match a character use the following syntax specChar Where specChar is one of the following Matches the character literally the backslash esc
39. he fan out connection is hidden but the instances remain 10 Click on the net connection between I 6 and I 4 It turns red because it s selected 11 Click on the Hide Selected Circuit Object tool 12 Click on the Hide Unconnected Circuit Objects tool E That s a fast way to undo a wide fan in or fan out but we need to see those components to go on with the tutorial 13 Double click on the Q port again to expand it The net connection is red because it s still selected Hiding a net or instance does not deselect it 14 Expand the Q port on I 6 15 Expand the PAD port on the OUTBUF 0 instance named UO The Connection View pans to the right to show the last connection You have traced the net connections all the way to I O port INST BITI which corresponds to symbol pin DP046 on the design instance February 2001 Connection View 1 12 Change Zoom Tool Synopsys Inc 61 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 16 To see the whole connection path at once click on the Change Zoom tool and choose High Zoom to zoom out from Detail Zoom to High Zoom Lock Zoom Pane Detail High Medium Low Determining the Scope of an Instance Remember that the last expanded net is shown in cyan unless it is also the current global selection That makes connections easier to follow as you expand ports across the design Connection View I 12 Last Expa
40. iew control pane with icons for all open views e Optional status pane Opening a Design To open a design include its file name on the command line when you start Visual SmartBrowser as shown in the following example o vsb design ccn There is also a menu command that you can use to open a design belonging to the same model or re open the current design to toss any changes you may have made 1 Choose File gt Open or press Ctrl O 2 Select the netlist ccn file you want to open 3 Click on the OK button gt Note Tools like VSB are model centric This means that the model you are using determines the correct version of the tool to use for that particular model version Since the model name for example al425_84 has already been embedded into the ccn file by smartccn we recommend that you invoke VSB on the command line by specifying the design ccn as shown in the preceding example February 2001 Synopsys Inc 13 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Displaying an Instance To display the top level design instance click on the Create Hierarchy View button Viewing a Circuit Object To view a circuit object in Hierarchy Connection or Examine View follow these steps Select the net port or instance in an active view or tool 2 In the main window click on the corresponding view or tool button You can also choose the corresponding command from the View
41. in the next line of the cause report double click on the cited port Y Oo On the instance I 4 U0 cited in the next line of the report double click on the cited port CO If necessary use the scroll bar at the bottom of the connection pane to display instances to the right 4 On the instance I 4 U1 double click on port S 5 On the instance FA1A_CO U0 double click on port PAD 6 Follow net FA1A_CO to output port FATA CO Viewing and Editing Instance Timing and Initial State Values To view timing and state information follow these steps 1 Display the instance in Examine View using one of these methods o In Hierarchy View double click on the leaf instance o In Connection View double click on the instance o Select the instance then click on the Create Examine View button 2 Click on the Timing Form or State Form down arrow to display the related information TS Note The down arrows are enabled only if the selected instance includes the corresponding timing and state information 3 If you change the timing or state information the Accept Modification button is enabled Click the button to record your changes February 2001 Synopsys Inc 41 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Selecting Circuit Objects This section provides information on how to select circuit objects under different circumstances e In Hierarchy View click on an instance or port to m
42. ist select one of the other net or state options b From the list select two or more nets to include in the bus c In the Add Bus field type the name of the bus and press Enter The bus name is added to the Bus Windows or Bus Monitors list depending on whether the selected nets are designated for windowing or monitoring TS Note Visual SmartBrowser replaces any illegal characters in the bus name with the specified substitute characters February 2001 Synopsys Inc 35 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Adding Elements to a Bus To add elements to a bus follow these steps 1 From the list of Bus Windows or Bus Monitors select the bus 2 Click on the Bus Elements button 3 Select the net or instance with state information you want to add 4 Click on the Add Object button gt Note You can add multiple nets or states by selecting the Auto Add button While the pointer is a box every net or instance with state information you select is added to the selected bus list Reordering Elements in a Bus To reorder the elements in a bus follow these steps 1 From the list of Bus Windows or Bus Monitors select the bus 2 Click on the Bus Elements button 3 Select an element from the list 4 Click on the up and down arrow buttons beside the Bus Elements button to move the element to the desired position in the list Removing a Bus Element To remove a bus element
43. l Pane Button Button Examine View Status Pane Button Now that you are familiar with the different areas in the main window let s open a Hierarchy View which is a common first step when using VSB 1 Click on the Create Hierarchy View button iE mmi VSB displays the design in a new Hierarchy View February 2001 Synopsys Inc 55 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version 2 Drag the right boundary of the Hierarchy View out so you can see the entire instruction register instance This is the root instance or design instance It Hierarchy Pane represents the design described by the netlist and in VSB it is treated as a device The instance is red because it is selected Only one circuit object can be selected at a time so it s called the global selection Tool Bar Design Instance Hierarchy View TOP j I TE 3 To deselect the instance click on it or on any unoccupied space in the upper pane of the Hierarchy View Try it now The instance isn t red any more because it s not selected But something else changed too the items in the port pane disappeared 4 Click on the instance now to select it T oe When an instance is selected the lower pane of the INST_BITO DP042 RU ea Hierarchy View lists its ports You can see each INST Bree Dv050 port s direction I O or I O as defined in the RESET DP038 netlist its name and for
44. l file follow these steps 1 Click on the Show Windows amp Monitors Tool button 2 Specify the nets states and buses you want to window or monitor 3 Click on the Save To File button For detailed instructions refer to Windows amp Monitors Tool on page 32 View and Tool Buttons Figure 2 illustrates the View and Tool buttons used in Visual SmartBrowser Examine View Windows amp Monitors Connection View Net Tags Hierarchy View Global Selection Figure 2 View and Tool Buttons e Hierarchy View Opens a Hierarchy View based on the selected circuit object Same as View gt Create Hierarchy View e Connection View Opens a Connection View based on the selected circuit object Same as View gt Create Connection View e Examine View Opens an Examine View based on the selected circuit object in which you can view and edit timing and initial state values and view other details about the selected object Same as View gt Create Examine View e Global Selection Opens the Global Selection tool in which you can select nets ports and model instances by name Same as Tools gt Show Global Selection Tool February 2001 Synopsys Inc 15 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version e Net Tags Opens the Net Tags tool in which you can tag nets Tags are represented by different colors to make them easier to see Same as Tools Show Net Tags Tool e Show Windows am
45. le Vsb b Find the string showStatusPane near the top of the file c To hide each view s status pane by default change TRUE to FALSE To show each view s status pane by default change FALSE to TRUE d Save your changes to your copy of Vsb e Forthe main window a In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb b Find the string CTL_ApplicationShellGUI showStatusPane near the top of the file c To hide the main window s status pane by default change TRUE to FALSE To show the main window s status pane by default change FALSE to TRUE d Save your changes to your copy of Vsb 48 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Example VSB normally displays a status pane at the bottom of each view You can set up a single status area in the main window that shows the status for any active view 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string showStatusPane near the top of the file 3 To hide each view s status pane by default set showStatusPane to FALSE To show the main window s status pane by default set CTL ApplicationShellGUI showsStatusPane to TRUE 4 Save your changes to your copy of Vsb Changing Power and Ground Labels To change the power port label follow these steps 1 In the directo
46. legal characters follow these steps 1 In the Windows amp Monitors tool click on the Illegal Chars button 2 In the Illegal Chars field type any characters not accepted by the target simulator February 2001 Synopsys Inc 37 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version 3 In the Substitute Chars field type the characters that will replace them Substitutions are position dependent To illustrate position dependency say you type abcde in the Illegal Chars field and ABCDE in the Substitute Chars field VSB creates an alias of A nEt for a net and renames a bus as A Bus gt Note If you specify fewer characters in the Substitute Chars field than in the Illegal Chars field VSB replaces unmatched characters in the Substitute Chars field with the last character specified in the Illegal Chars field 4 Click on the OK button VSB uses the information in this dialog box to validate all existing net and bus names and net aliases o If a net name contains illegal characters VSB creates an alias for it using substitute characters o If a bus name contains illegal characters VSB renames it using substitute characters o If an alias contains illegal characters VSB discards it entirely Visualizing a Setup or Hold Violation Here is a sample setup violation error message generated by VSB Error Violated setup constraint TSUD on D before CLK for cell FA1A df1 at time 27510 8 ns
47. lick on the instruction_cell instance named I 12 If the Hierarchy View is concealed somewhere you can use the TOP icon in the View Control Pane of the main window to pop it forward Connection View CLOCK i Ea CLOCK_IR VSB creates a new Connection View based on port CLOCK_IR From there you can explore the receivers connected to the port Actions button to display the popup menu Raise Application Shell Wir Zoom command to bring the main window to the E top View Controls click on the icon labeled TOP Auto Find Current Selectior double click on port D Ready Create Sparse Hierarchy Vie Hide Unconnected Circuit OF Because D is a port on an SCV instance there s no underlying hierarchy so the new Connection View is based on the instance rather than the port Now explore the receivers connected to the DFPC instance I 12 a For this exercise deselect the DFPC instance in the top Hierarchy View b In the Connection View double click on the Q port button to expand it Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser Connection View 1 12 ri Ie gi VSB shows another DFPC instance 1 6 and an MX2 instance I 4 The net connection is shown in cyan because it s the most recently expanded 9 Double click on the same port Q on I 12 to collapse it T
48. ls or other types of SmartModel Library models that information is presented in the SmartModel Library User s Manual Related Documents For general information about SmartModel Library documentation or to navigate to a different online document refer to the Guide to SmartModel Documentation For the latest information on supported platforms and simulators refer to SmartModel Library Supported Simulators and Platforms For detailed information about specific models in the SmartModel Library use the Browser tool sl browser to access the online model datasheets Manual Overview This manual contains the following chapters and appendixes Preface Describes the manual and lists the typographical conventions and symbols used in it tells how to get technical assistance Chapter 1 Procedures for using the VSB tool VSB Overview February 2001 Synopsys Inc 7 Preface Visual SmartBrowser User s Manual UNIX version Chapter 2 A short tutorial that enables new users to learn how Learning Visual to use the VSB tool SmartBrowser Typographical and Symbol Conventions Default UNIX prompt Represented by a percent sign 3 User input text entered by the user Shown in bold type as in the following command line example cd LMC HOME hdl System generated text prompts messages files reports Shown as in the following system message No Mismatches 66 Vectors processed 66 Possible Variables for which you supply a sp
49. lt 47 tool tips display changing 47 view control pane 46 Divider view in tutorial 57 Drivers port showing in Connection view 23 E Effect reports from a simulation run 40 Elements 78 Synopsys Inc Visual SmartBrowser User s Manual UNIX version bus adding to a 36 bus displaying 35 bus removing 36 bus reordering in a 36 Examine view 12 15 27 pop up menu 28 Expressions regular 30 Fan in undoing 24 Fan out undoing 24 File menu 42 Files model control creating 15 34 Fonts changing for labels 49 Forms State 28 Timing 27 FPGA devices 11 G Global selection tool 15 28 Graphical pane 27 Graphical user interface SmartBrowser 11 Ground labels changing 49 H Hierarchy blocks collapsing 20 blocks expanding 19 collapse tree from pop up menu 21 expand tree from pop up menu 21 traversing 29 Hierarchy view 12 15 17 19 closing from tool bar 22 pop up menu 21 February 2001 Visual SmartBrowser User s Manual UNIX version Index sparse creating 24 25 26 tool bar 22 High zoom in connection view 18 in hierarchy view 17 Hold violations visualizing 38 Illegal characters defining 37 specifying 34 37 substitutions disabling 37 Instances details displaying 20 displaying 14 showing in connection view 24 timing editing 41 timing viewing 41 top level displaying 20 Interfaces graphical user SmartBrowser 11 K Keyboard shortcuts 44 Keys menu accelerator
50. n 15 In the Object Type Filter area click on the State Window button For this exercise make sure only the State Window and Net Monitor buttons are pushed in red in the Object Type Filter area 16 In the Connection View from CLOCK IR select each of the six DFPC instances using the square pointer 17 From the pull down list in the Windows amp Monitors tool select State Windows State information for the six DFPC instances was added to the list as you selected them even though the State Windows list wasn t displayed at the time gt Note If you had selected an instance without state information nothing would have been added to the State Windows list for that instance February 2001 Synopsys Inc 71 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version Saving Model Control Files MCFs 72 18 Now check the Net Monitors list From All nets connected the pull down list select Net Monitors to the DFPC port instances The list contains every net except power and ground connected to every AnaS e OS port on each of the six DFPC instances you selected In this exercise you added items to two lists at once even though neither of the lists was visible at the time This is a powerful shortcut and it is important to understand how to use it While the pointer is a square you add items to each list that corresponds to a pushed in button in the Object Type Filt
51. n and configuration key concepts examples of license key files migration to SCL maintenance and troubleshooting You can find general SCL information on the Web at http www synopsys com keys Comments To report errors or make suggestions please send e mail to doc synopsys com To report an error that occurs on a specific page select the entire page including headers and footers and copy to the buffer Then paste the buffer to the body of your e mail message This will provide us with information to identify the source of the problem 10 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview 1 VSB Overview Introduction This manual presents information on how to use the VSB tool to improve productivity when working with SmartCircuit models This information is organized in the following major sections Multiple Views Main Window View and Tool Buttons Views and Tools Menu Commands Mouse and Keyboard Accelerators Visual SmartBrowser VSB is a tool with a graphical user interface that you can use to debug designs that incorporate SmartCircuit models of FPGA and CPLD devices VSB uses multiple different views of a device netlist to enable accurate diagnosis of design problems VSB is part of a suite of SmartCircuit debugging tools that enable you to determine relationships within your design as illustrated in Figure 1 on page 12 The debugging tools are
52. nd Tool Buttons oe oe hoon Seen e diee al ERE Re rnm RR 15 Li i9 000r e E T oh ees 16 SaS PNE inne Hod G Eee eee dxdsXxud i rere n EEL ROERNE EREDE 16 ZOOM LEVEI 55h 658 ae Se a SGA aR OSs AE E nme 17 PIENO VIEN ced KO Voce o Eo ed REP Ec ACER a dO CA e MCN 17 Coniection VIEW eh iGo GEES a qui Rae E pd CR E ed Vai eeu AC ap aca a 17 bo fol E E EE E E EE E E ae cesar es 19 Hierarci VIEN vcd rea hea Ok ee INEA ee 19 Hierarchy View Pop Up Menu ica csnsew save doe eres ee ee OR OR RARO RH 21 Hierarchy View Tool Bar 4 osea stesura RARE HERR CAHERAEGREXVEREIEASES 22 dn cod ou Ar CETTE 23 Connection View Pop Up Menu csceinwiwss ensues anene enaner 24 Connection View Tool BUE 6560006 bedere dc doce ERR REA Sandee areees 26 ERE RE seth once ooh econ b dede are adeo be ee 27 Examine View Pop Up Menu uuuuuseka arua S y gp OCA Ves aw een ew awn so 28 Global SIC Tool ad noe 8S eGo eR UR RE dU RE ERIAPRAAEEXSAARERA RR 28 PELIS DEL uaiat oniotd bd ee O69 Baba cac dpa d S KR cac eee d 31 Windows amp Monitors Tool ssa is eux ess cden sed bea Robe ARDOR RR GR ees 32 Creating and Editing Buses 6 dooce dudes na Een Eta AE REE ErAR E 35 Specilyine TEM Characters 1 acd ERROR FRE RERO dC ER rad 37 February 2001 Synopsys Inc 3 Contents Visual SmartBrowser User s Manual UNIX version Visualizing a Setup or Hold Violation cc ici dns eet CORAN eee ERE ERRORS 38 Visualizing a Cause Report from a Simulation Run 0 39 Visualizing an Effec
53. nded Net e mm 1 Reset the zoom level to Detail Zoom 2 On the I 12 instance expand the D port to show its drivers The Connection View pans to the left to bring the driver instance into view The new MX2 instance is named I 4 the same as another MX2 instance in this Connection View 3 Select the I 4 instance you just revealed In the status pane at the bottom of the Connection View the scope of this instance is shown as I 12 62 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser 4 Select the other I 4 instance to the right of I 12 The status pane shows its scope as I 13 It is part of a different hierarchical block Connection View 1 12 Iof x m Ground g m ad Scope Status A Selection Instance I 4 Type MX2 Scope I 13 Readu Detail Unmodified In Detail Zoom you can also display the scope of each instance 5 In the Connection View click the right mouse button 6 From the pop up menu choose the Show Scope Paths command As you can see some of the ports are green indicating connection to ground Ports connected to power are violet These colors appear only after the port or instance has been explored in Connection View Hierarchy View or Examine View Power and ground nets are not shown even though the ports behave like other ports on the instances Unconnected po
54. nformation e Name The selected timing parameter e Description A description of the timing parameter e Timing Value Units Specifies whether to display values in picoseconds nanoseconds microseconds or milliseconds Select one e Values in ccn File The min typ and max values for the selected timing parameter as stored in the ccn file e Current Values The min typ and max values for the selected timing parameter as modified but not yet saved to the ccn file When the Timing Form is visible you can click on a timing parameter in the parameter list to highlight the associated ports in the graphical pane If you change the information on the Timing Form click on the Accept Modification button to record your changes February 2001 Synopsys Inc 27 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version State Form The State Form contains a list of states on the left Select a state to view the following information Name The selected state Description A description of the selected state parameter Value in ccn File The value of the selected state parameter as stored in the ccn file Current Value The value of the selected state parameter as modified but not yet saved to the ccn file Bit Position The offset of the last bit selected in the Value in ccn File field If the state contains more than one bit a slider appears below the Bit Position field Drag the slider click on
55. nformation refer to Creating and Editing Buses on page 35 The buttons to the right of the list have the following functions e Select Global Makes the selected item in the list the global selection e Clear Selection Removes the selected item from the list e Clear List Removes all items from the list e Save To File Creates a model control file containing the current information on windows monitors and bus definitions Click on the Object Adder button to expand the Windows amp Monitors tool 32 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Windowing or Monitoring a Net To window or monitor a net follow these steps 1 Select the net you want to window or monitor 2 Make sure the Net Monitor and Net Window buttons are set correctly in the Object Type Filter area A button that is pushed in red means the net will be added to the corresponding list 3 Click on the Add Object button Specifying Multiple Nets To specify multiple nets do one of the following e Youcan add multiple nets by clicking on the Auto Add button While the pointer is a box every net you select is added to the specified window and monitor lists Click on the button again to turn off automatic addition e You can also select an instance to add all connected nets to the specified window and monitor lists Windowing or Monitoring a State To window or monitor a state follow these
56. oke definition 4 Save your changes to your copy of Vsb 52 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser 2 Learning Visual SmartBrowser Introduction The Visual SmartBrowser VSB tool enables you to improve your productivity when working with SmartCircuit models of FPGA and CPLD devices This chapter presents a brief tutorial that you can use as the basis for learning how to use the VSB You can use the tutorial to learn how to e Work with a post layout netlist in the SmartCircuit ccn format e Examine the design in various graphical views e Define buses e Specify circuit objects to window and monitor during simulation e Create a model control file for simulation Setting Up the Tutorial You open a compiled design netlist ccn file by starting VSB with the netlist file name on the command line VSB will not invoke without a file name In this section you will use a file prepared specially for the tutorial The file is located at SLMC HOMHEH lib data vsb tutorial ccn 1 To begin the tutorial open the sample netlist included in your SmartModel Library installation using this command vsb SLMC_HOME 1ib data vsb_tutorial ccn If you already have the VSB running and your current design is not vsb_tutorial cnn re invoke the VSB using the previous command February 2001 Synopsys Inc 53 Chapter 2 Learning Visual SmartBrowser Visual
57. on View pop up menu Create Sparse Hierarchy View Displays in a new Hierarchy View just the portion of the design hierarchy that contains objects visible in the active Connection View Hide Selected Circuit Object Hides the selected circuit object in the active Connection View Hide Unconnected Circuit Objects Hides circuit objects in the active Connection View that are not connected to any other object in the view Close View Closes the active Connection View Same as the Close this View command on the Connection View pop up menu 26 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Examine View In the Examine View window you can view and modify detailed information about model instances Graphical Pane This area shows port names and the connected nets Right and left pointing triangles indicate signal direction Grey circles indicate port inversion Power and ground labels are also visible If the instance has timing or state information the corresponding down arrow button Timing Form or State Form below the graphical pane is enabled Click on a down arrow button to show the corresponding form When the Timing Form is visible you can click on a port name in the graphical pane to highlight the timing parameters associated with that port Timing Form The Timing Form contains a list of timing parameters on the left Select a parameter to view the following i
58. opy of Vsb Changing Fonts for Graphics To change the fonts used in graphics follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Graphics Pane Fonts 3 Change the fonts used at the following zoom levels graphicsPaneFrame smallFont The font used in Medium Zoom This must be a fixed width font about half the size of the font specified for largeFont graphicsPaneFrame mediumFont The font used in High Zoom This must be a fixed width font about halfway between the sizes specified for smallFont and largeFont graphicsPaneFrame largeFont The font used in Detail Zoom This must be a fixed width font about twice the size of the font specified for smallFont Typically you would change only the font weight such as medium or bold or size such as 10 or 18 4 Save your changes to your copy of Vsb 50 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Changing Colors Typically you would change a color in VSB to accommodate the needs of a particular user or to compensate for a troublesome monitor or lighting environment If you must change a color change it everywhere it is used in VSB to get consistent benefit from the change Note that it is possible to specify an object s color so that it is no longer easy or even possible to distinguish it from the background Kee
59. or N 3 bus N 22 N 22 monitor N 22 bus N 21 N 21 monitor N 21 bus N 2 NS2 monitor N 2 bus N 14 NS14 monitor N 14 bus N 1 NS1 monitor N 1 February 2001 Synopsys Inc 73 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version State Windows List bus I 11 I 6 STATE I 11 1 6 STATE window IS11 I 6 STATE bus I 11 I 12 STATE I 11 1 12 STATE window IS 11 I 12 STATE bus I 13 I 6 STATE I 13 1 6 STATE window I 13 I 6 STATE bus I 13 I 12 STATE I 13 1 12 STATE window I 13 I 12 STATE bus I 12 I 6 STATE I 12 1 6 STATE window I 12 I 6 STATE bus I 12 I 12 STATE 1 12 1 12 STATE window I 12 I 12 STATE Bus Monitors List bus N7 Bus 1 13 NS7 NS 7 I 12 N 7 monitor N7 Bus Before you continue turn off the Auto Add function by clicking on the Auto Add button in the Windows amp Monitors tool The standard pointer returns In the Windows amp Monitors tool you can also create aliases and define substitutes for characters your simulator does not accept Refer to Specifying Illegal Characters on page 37 for more information Changing Window Views By now you probably have a lot of open views and tools all over the screen but that is easy to fix Raise the main window 2 From the Windows menu choose the Iconify All Views command
60. p Monitors Tool Opens the Windows amp Monitors tool which you can use to set up windows and monitors for nets states and buses Same as Tools Show Windows amp Monitors Tool View Control Pane Clicking on an icon in the view control pane brings the corresponding view to the foreground Click on the left and right arrow buttons to scroll through the view control pane Status Pane The status pane displays the name type and scope of the selected net port or instance It also shows the state of the VSB tool the current zoom level and whether the active design has been modified The main window status pane also shows the string MCF if you have created windows and monitors but have not yet saved them in an MCF file Status panes also display a brief description of menu commands and tool buttons Toggling the Status Pane Display To toggle the status pane display follow these steps e In the main window do one of the following o Choose Options Show Status Pane o Press Ctrl P e Ina Hierarchy View or Connection View do one of the following o Click the right mouse button and then choose View Controls Show Status Pane o Press Ctrl P 16 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Zoom Levels You can use the zoom control buttons illustrated in Figure 3 from the hierarchy and connections views to see four different levels of detail Lock
61. p track of your changes to the X resources file and never edit the original Follow the instructions in Customizing Visual SmartBrowser on page 45 to create a custom copy To replace a color follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Color Settings The first few lines under Colors Used define custom colors used in VSB Custom colors are specified as RGB red green blue values of two hexadecimal digits each The next several lines in this section define the standard colors available Oo Starting with the line after the color definitions use your editor s search and replace function to replace all occurrences of the color you want to change with the color you prefer to use For example if cyan doesn t show up well on your monitor you can set up VSB to use the custom light blue instead Starting with the line after the color definitions replace every occurrence of the string cyan with the string adbdc6 4 Save your changes to your copy of Vsb Changing Menu Accelerator Keys To change the menu accelerator keys follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Menu Accelerators near the end of the file 3 Change the menu accelerator keys for the following commands menuOpenFileButton accel
62. problem resolution system o product specific FAQs frequently asked questions o lists of supported simulators and platforms o the ability to open a support help call o the ability to submit a delivery request for some product lines 3 If you still have questions you can call the Support Center North American customers Call the Synopsys Eaglei and Logic Modeling Products Support Center hotline at 1 800 445 1888 or 1 503 748 6920 from 6 30 AM to 5 PM Pacific Time Monday through Friday International customers Call your local sales office The Synopsys Website General information about Synopsys and its products is available at this URL http www synopsys com February 2001 Synopsys Inc 9 Preface Visual SmartBrowser User s Manual UNIX version Synopsys Common Licensing SCL Document Set Synopsys common licensing SCL software is delivered on a CD that is separate from the tools that use this software to authorize their use The SCL documentation set includes the following publications which are located in root docs scl on the SCL CD and also available on the Synopsys FTP server ftp ftp synopsys com e Licensing QuickStart 142K PDF file This booklet provides instructions for obtaining an electronic copy of your license key file and for installing and configuring SCL on UNIX and Windows NT e Licensing Installation and Administration Guide 2 08M PDF file This guide provides information about installatio
63. ps show the names of net connections e High Zoom o Each port of a hierarchical block is labeled with its name and direction for example I O or I O For the root design instance symbol pin names are shown in parentheses beside the port names o Each SCV instance is labeled with its name and cell type o Ports on SCV instances are not labeled o Circuit object tips show the names of net connections e Medium Zoom o Ports are not labeled but circuit object tips show the names of ports on hierarchical blocks o Each SCV instance is labeled with its cell type and circuit object tips show the names of instances o Circuit object tips show the names of net connections e Low Zoom o Ports are not labeled but circuit object tips show the names of ports on hierarchical blocks o SCV instances are not labeled but circuit object tips show the name and cell type of each instance o Net connections are not displayed but more of the Connection View is visible Setting the Zoom Level To set the zoom level do one of the following e From the tool bar a Click on the Change Zoom tool at the top of the Hierarchy View tool bar or the Connection View tool bar b Click on a zoom level icon e With the right mouse button a In Hierarchy View or Connection View click the right mouse button and select the Zoom command from the pop up menu b Choose a zoom level from the menu 18 Synopsys Inc February 2001 Visual Smar
64. reate Connection View button to view input and output connections from the selected port In Connection View ports on an instance include the following visual clues e A circle in the port indicates inverted input or output e Violet ports are connected to power and green ports are connected to ground The Connection View also contains a tool bar for common tasks and an optional status pane Showing Port Drivers or Receivers To show port drivers or receivers do one of the following e By selection a In Connection View select the port b Click on the Expand Selection tool e By double clicking a Double click on the port in Connection View You can continue expanding connections until you reach an SCV device pin gt Note An unconnected port displays no net connections when expanded Hiding Expanded Port Connections To hide an expanded port s connections do one of the following e By selection a In Connection View select the port b Click on the Collapse Selection tool e By double clicking a Double click on the expanded port Note that the disconnected objects remain visible to hide them click on the Hide Unconnected Circuit Objects tool February 2001 Synopsys Inc 23 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Hiding Individual Net Connections To hide an individual net connection select the net and click on the Hide Selected Circuit Object tool or press Delete
65. reate Hierarchy View button 20 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview Hierarchy View Pop Up Menu You can use the Hierarchy View pop up menu to do any of the following Raise Application Shell Window Ctrl A Brings the VSB main window to the top Zoom Displays a menu of zoom levels Similar to the Change Zoom tool on the Hierarchy View tool bar View Controls o Show Action Tool Bar Ctrl T Toggles display of the tool bar in the active Hierarchy View o Show Status Pane Ctrl P Toggles display of status information in the active Hierarchy View o Iconify this View Reduces the active Hierarchy View to an icon o Close this View Closes the active Hierarchy View Same as the Close View tool on the Hierarchy View tool bar Expand Tree Shows the hierarchy under the selected instance Same as the Expand Selection tool on the Hierarchy View tool bar Collapse Tree Hides the hierarchy under the selected instance Same as the Collapse Selection tool on the Hierarchy View tool bar Find Current Selection Centers the selected circuit object in the active Hierarchy View if the view contains the object Use this command after you select an object in another view or tool Same as the Find Selection tool on the Hierarchy View tool bar Auto Find Current Selection When possible updates the active Hierarchy View automatically to focus on the selecte
66. reate a model control file follow these steps 1 Click on the Save To File button 2 Use the Filter field and the Directories and Files lists to fill the Selection field 3 Fill out the Selection field as needed to specify the path and name for the model control file Specifying Illegal Characters To specify illegal characters for window and monitor names follow these steps 1 Click on the Illegal Chars button 2 Clear the Illegal Chars and Substitute Chars fields 34 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview 3 Click on the OK button Creating and Editing Buses Following are procedures for creating and editing buses Displaying Bus Elements To display bus elements follow these steps 1 From the pull down list at the top of the Windows amp Monitors tool select either Bus Windows or Bus Monitors 2 From the list box select a bus 3 Click on the Bus Elements button 4 Click on the button again to display the list of monitored or windowed buses Defining a Bus Name To define a bus name do one of the following e Ina Bus Window or Bus Monitor a From the pull down list select either Bus Windows or Bus Monitors b In the Add Bus field type the names of one of more buses you want to create and press Enter The bus names are added to the selected list Bus Windows or Bus Monitors e To define a bus name for other net or state options a From the pull down l
67. rowser reads a post layout netlist in the SmartCircuit ccn format and represents the design in various graphical views 12 Hierarchy view View the design as a tree like structure of hierarchical blocks Connection view Expand and collapse circuit connections selectively This demand driven approach has several benefits o Eliminates the need to display the entire schematic reducing processing time o Clears the designer s view of unrelated nets and other circuit objects o Shows how the semiconductor vendor SCV cells are actually connected without the need to move up and down through the hierarchy Examine view View an instance in detail and edit any timing or state information Windows amp Monitors tool Create model control files for windowing and monitoring internal nets and states during simulation Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview lt gt Note Throughout this manual and the rest of the SmartModel Library documentation the term instance may mean 1 the device itself 2 any of the hierarchy blocks making up the device or 3 the vendor s library cell leaf node The surrounding text determines which usage is intended Main Window The Main window is the command center from which you control Visual SmartBrowser The main window contains the following elements e Menu bar e Buttons to open the various views and tools e V
68. rts such as Y1 and Y2 on the OUTBUF 0 instance named UO behave similarly Creating a Sparse Hierarchy Once the Connection View contains all the instances you are interested in you can create a Hierarchy View that contains only those instances This can help you see the hierarchical nature of a portion of the design without the clutter of unrelated instances 1 Click on the Create Sparse Hierarchy View tool p Ta February 2001 Synopsys Inc 63 Chapter 2 Learning Visual SmartBrowser Visual SmartBrowser User s Manual UNIX version N Oo In the Hierarchy View you Click on open space in the If you zoom out you can see that the new sparse Hierarchy View shows the same five SCV instances as the Connection View As you select the various SCV instances they are selected in the Connection View too Remember selection is global Hierarchy View 1 12 SCV Instances just created click on the Close View tool kil I 12 Connection View so no circuit object is selected Using Global Selection So far you ve worked with Hierarchy View Connection View and Examine View There are also three dialogs or tools in VSB 64 l 25 Bring the main window to the top Click on the Show Global Selection Tool button B s In the Global Selection tool you can move up and down the design hierarchy to find a specific port net or instance by name 3 From the Object Type pull down li
69. ry referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string voltageLabel near the top of the file 3 Change Vcc to the string you prefer 4 Save your changes to your copy of Vsb To change the ground port label follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string groundLabel near the top of the file 3 Change Gnd to the string you prefer 4 Save your changes to your copy of Vsb Changing Fonts for Labels To change the fonts used for labels follow these steps 1 In the directory referenced by the XAPPLRESDIR environment variable open your copy of the X resource file Vsb 2 Find the string Font Settings a few lines down from the top of the file February 2001 Synopsys Inc 49 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version 3 Change the fonts used in the following places statusPaneFrame FontList The font used in the status pane viewControlPaneFrame buttonFont The font used on the icons in the view control frame Typically you would change only the font family from courier to times for example weight such as medium or bold style o for oblique r for roman or size such as 12 or 14 gt Note Use the xlsfonts command to display a list of fonts available on your system 4 Save your changes to your c
70. sed on the selected leaf instance e In Connection View o Expands or collapses the selected port o Creates a new Examine View based on the selected instance 44 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview e Ina dialog box o Activates the current selection You can use the space bar and the arrow keys as an alternative to the left mouse button Del Delete e In Connection View hides the selected circuit object You can use this as an alternative to the Hide Selected Circuit Object tool e Inthe main window activates the menu bar e In Hierarchy or Connection view displays the pop up menu Arrow Key right left up down e Ina dialog box moves the selection focus You can use this in conjunction with the space bar as an alternative to the left mouse button Customizing Visual SmartBrowser Visual SmartBrowser VSB is set up to display views and dialog boxes at an ideal size Similarly it uses fonts and colors to provide clarity and contrast On some monitors however a given color may be unsatisfactory or a font difficult to read You can change several aspects of VSB s appearance by creating a custom version of the X resource file Vsb that is created when you install the program To customize VSB follow these steps 1 Make a copy of the X resource file Vsb 2 Create an environment variable XAPPLRESDIR 3 Set XAPPLRESDIR to the directory typi
71. sence the main window acts as a central control while you work in a VSB session When using the VSB you will be able to use the main window to navigate back and forth between these various windows Before bringing up any of these other windows let s look at the different functions within the main window itself First you should know that the initial way in which the VSB brings up the main window does not display all its functions The main window is capable of displaying the following information 54 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser e Menu bar displays by default e Buttons to open the various views and tools display by default although some are greyed out by default until an appropriate time e View control pane with icons for all open views displays icons only when a specialized window is open e Status pane displays only if you choose the Options gt View Status Pane pulldown menu item Here is how the main window can look when you open different specialized windows and display the Status Pane Connection View Windows amp Monitors Tool Button Button Global Selection Tool Button View Control Pane Menu Bar Visual SmartBrowser vsb_tutorial ccn instruction_register File 5253 49 B5 Sesion mter ipe iem Gee Read ey NN GNE nmodi fied Hierarchy View Net Tags Tool Icons in View Contro
72. st choose Instances CA Click on the Browse Given Scope button The list below the button shows all the instances in the current scope as shown in the Scope field near the top of the Global Selection tool Scroll down the list and double click on I 12 to move down that hierarchical branch The Scope field shows I 12 and the list shows instances in that hierarchical block Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser Shows there are no 6 In the list double click on I 12 instances below indicates a leaf Scope with I 12 1 12 instance I 12 is added to the scope but it s an SCV instance so the list doesn t show any instances Instead the list shows double dots representing the parent hierarchical block Global Selection 7 Double click on the double dots to move back up the hierarchy a level 8 In the list click on I 4 9 Click on the Select Global button next to the Object Type pull down list 10 Click on the Close button SCV instance I 12 I 4 is selected in the connection view labeled 12 Connection View 7 Note Once you ve set the scope in the Global Selection tool you can change the Object Type and select a port or net just as easily but we ll stick with instances for this exercise You may have noticed the text boxes that pop up when the pointer rests for a moment over a net th
73. t Report from a Simulation Run 40 Viewing and Editing Instance Timing and Initial State Values 41 Selecting CONGUE ODES 22 2xacsoen Er irpo Rege t one t ei e Ren 42 AME CODO ocaessuactsaeduscisasdus didus CUL T S ctr RICE ac diy 42 tA nao M ur M 42 pugus Ment uua ir ad d dodo e e CER Reno oem eode pa ea 42 View Meni uasquatesaqiutaniuR REO dodit PER REESXPAXGCE LN KREWE Jed 43 JU DEUM ee des pie RE EDEN C EIE E Cad POS 43 Wndows Memi ee rn d 927 o2 EROR EE REED APR REN R P 43 Mouse and Keyboard Accelerators 5 ina s cies oseve dun RIDES ROCA RO as os 44 Leit Mouse BURON 4 132 4ore rob ap Coe ROO dex Badio et Ced E aci d 44 Right Mouse Button sense sad hy 4e Ear e orate door m oma m ng 4 SPEEA 644 45 4645 540405 adc EE F598 KS EMG RUS pde tu eRexs HS Es 44 ee ee Aq EX eC REARE E ROC HORE OE Red 45 arvo rpm DDR 45 Arrow Key right left up down gg cbs oh bs ee bee Hes os KGa Kes Gd A EH os ER 45 Customizing Visual SmartBrowser eacesk paessE RR RERCREQCR APR RE E Ed 45 Chapter 2 Learning Visual SmartBrowser eeeeeeeeeeee ht 53 BHCHR UE e rea P gi mea obe da ei ee bedded eli don 23 SUME Up Me DENM ascxeerq3xanddhr P Eee ERA EQE TEM EEREEARSErL AR 53 56s EEEN E ES EE ET Se EEE E EEN 54 Identifying Hierarchical and SCV Instances a ing 4 exe xn teen 60 Determining the scope of an Inslliee ais ot eadcieaw ede REO Re e Rad 62 roatime a Sparse Hierarch
74. tBrowser User s Manual UNIX version Chapter 1 VSB Overview Keeping the Zoom Pane in View To keep the zoom pane in view follow these steps 1 Click on the Change Zoom tool at the top of the Hierarchy View tool bar or the Connection View tool bar 2 Click on the open padlock icon The zoom pane in the active Hierarchy View or Connection View stays open until you click on the closed padlock icon Views and Tools This section discusses the various VSB views and tools Hierarchy View The Hierarchy View window displays the hierarchical location of the instances in a design The root instance is the design itself The semiconductor vendor SCV cells are located at the leaf nodes of a fully expanded branch Thus a flat netlist has two levels one for the design and one for all the SCV cells The Hierarchy View also contains a tool bar for common tasks and a list of ports Izinput O output I O bidirectional for the selected instance For the root design instance symbol pin names are shown in parentheses beside the port names You can use any port as a starting point for the generation of a new Connection View At the bottom of the Hierarchy View is an optional status pane Expanding a Hierarchical Block To expand a hierarchical block do one of the following e By selection a In the hierarchy pane select a non leaf instance b Click on the Expand Selection tool e By double clicking a Double click on a non leaf instan
75. the design instance the SHIFT IR DP044 corresponding symbol pin name in parentheses For TDI DP040 example CLOCK IR is an input output port that TDO DP053 corresponds to pin DP055 on the device symbol TRST DP052 uc toS YER 5 Click on the CLOCK IR port now the graphic symbol not the text Sie eb ie eb ie m m m9 Im I9 n 9599 SEES mM iH me I9 I9 E E B m o Selection Inspance TOP Type instruction re It turns red because it s selected But it s part of the rm instruction register instance so the instance is still selected too Status Pane Port Pane 6 Click now on any unoccupied space in the lower port pane to deselect the port Notice that the instance is still selected 7 Click now on any unoccupied space in the upper hierarchy pane to deselect the instance The instance is labeled with its cell type its name and the number of instances hierarchical blocks and semiconductor vendor SCV instances at the next level down 8 Double click on the instance now to expand the hierarchy beneath it The instance isn t red because it s still not selected Double clicking does not select a circuit object 56 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser 9 10 11 12 Graphical Timing Form Drag the view divider down so more of the hierarchy is visible M
76. the right and left arrow buttons or use the right and left arrow keys to select a different bit To change a bit s value select the bit and type the value you want it to have Legal characters are 0 1 x unknown u uninitialized z high impedance and unspecified If you change the information on the State Form click on the Accept Modification button to record your changes Examine View Pop Up Menu You can use the Examine View pop up menu to do any of the following Raise Application Shell Window Ctrl A Brings the VSB main window to the top View Controls Close this View Closes the active Examine View Global Selection Tool Use this dialog box to select an instance net or port by name You can also open this dialog box to see which circuit object is the global selection If you know the name of the circuit object you want to select type the name in the Circuit Object field and if necessary type the path to the circuit object in the Scope field Make sure the Object Type selection is correct 28 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 1 VSB Overview If you know only a portion of the circuit object name or want to select from a list of objects you can browse the design Click on the Select Global button to select the specified instance net or port globally The Browse Filter field recognizes regular expressions and presents a list of all instances t
77. ting a sparse hierarchy view e Hide Selected Circuit Object Hides the selected object in the active Connection View You can use this command to prepare for creating a sparse hierarchy view e Show Scope Paths Displays below each instance the path to the instance from the root of the design February 2001 Synopsys Inc 25 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version Connection View Tool Bar Figure 5 illustrates the tool bar buttons available in Connection View HEN MEE Create Sparse Hide Unconnected Hierarchy Circuit Object Expand Selection Hide Selected Circuit Object Collapse Selection Close View Change Zoom Find Selection Figure 5 Connection View Tool Bar Buttons Change Zoom Displays a pane of zoom levels Click on the open padlock icon to keep the pane in view Similar to the Zoom command on the Connection View pop up menu Expand Selection Shows the connections from the selected port Same as the Expand Port command on the Connection View pop up menu Collapse Selection Hides the connections from the selected port Note that the disconnected objects remain visible Same as the Collapse Port command on the Connection View pop up menu Find Selection Centers the selected object in the active Connection View if the view contains the object Use this command after you select an object in another view or tool Same as the Find Current Selection command on the Connecti
78. tors button at the bottom of the Windows amp Monitors tool 7 In the Object Type Filter area click on the Net Monitor button 8 Click on the Auto Add button at the bottom of the Windows amp Monitors tool The pointer changes to a square As long as the pointer is a square any net that you select globally is added to the N7_Bus net Use the center of the square pointer to select circuit objects 9 Bring the Connection View from CLOCK_ IR to the top 10 Click on each of the three tagged nets As you select each net its name is added to the list of bus elements You can sort the bus elements in the list Try it now 11 Select the element in the middle of the list 12 Click on the up and down arrows near the Bus Elements button to change the element s position in the list Square Pointer You can use the Select Global button to the right of the list to set the global selection to an element in the list Remember selection is global only one circuit object can be selected at a time 70 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Chapter 2 Learning Visual SmartBrowser 13 Try it now The Clear Selection button removes any selected elements from the list and the Clear List button removes all elements from the list 14 When you re ready click on the Bus Elements button again You can also window or monitor the states of instances that include state informatio
79. w by either of these methods e Using the Show Global Selection Tool button a Click on the Show Global Selection Tool button b In the Circuit Object text field enter the name of the port FA1A 5S cited in the cause report c In the Scope text field enter the path to the cited port d Make sure the Object Type is set to Ports e Click on the Select Global button f Click on the Create Connection View button e From the Hierarchy View a In Hierarchy View select the root instance b From the list of ports below the hierarchy pane double click on the port FA1A_S cited in the cause report Next trace the input signals following these steps 1 In Connection View double click on the port to show the fan in signals 2 On the instance FA1A S UO cited in the next line of the cause report double click on the cited port PAD 3 On the instance I 4 U1 cited in the next line of the report double click on the cited port S February 2001 Synopsys Inc 39 Chapter 1 VSB Overview Visual SmartBrowser User s Manual UNIX version If necessary use the scroll bar at the bottom of the connection pane to display instances to the left 4 On the instance FA1A_CI U0 double click on port Y 5 Follow net N 6 to input port FATA CI Visualizing an Effect Report from a Simulation Run Here is a sample effect report generated by VSB Dal Trace Triggerin
80. y uusesuede P PEPRARRY ee RE SPSIXNARA EIER ERES 63 Using Global Selection dua ead kx AR I RR E OR CU SR d e Re c de dawns os 64 Working with Circuit ONG Ts 2uesaneuadubttabr es i ite Esop Reg 66 Visually Identifying Nets with Net Tags iosssuoess re RR Ry 67 Defining Windows and Monitors 065000 scence neern hn 69 Saving Model Control Files MCF8 asasasaeskchdkvebbxXd hti kx aed s 72 Claims Window Views oioatsaubdese ied read bias ee ease REPRE 74 ln ee eee ee ee eT ee eT ee ee eT ee ee 77 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Figures Figures Figure 1 Debugging Tools 12 Figure 2 View and Tool Buttons 15 Figure 3 Zoom Control Buttons 17 Figure 4 Hierarchy View Tool Bar Buttons 22 Figure 5 Connection View Tool Bar Buttons 26 February 2001 Synopsys Inc 5 Figures Visual SmartBrowser User s Manual UNIX version 6 Synopsys Inc February 2001 Visual SmartBrowser User s Manual UNIX version Preface Preface About This Manual This manual contains reference information for Visual SmartBrowser VSB users on UNIX If you are on NT refer instead to the Visual SmartBrowser User s Manual NT version The UNIX version of VSB tool differs somewhat from the NT version This manual describes how to use the VSB tool to improve productivity when working with SmartCircuit models of FPGA and CPLD devices The manual does not contain general information about SmartCircuit mode

Visual SmartBrowser User`s Manual (UNIX Version)

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