IPTR-DSPBUILDER Altera, IPTR-DSPBUILDER Datasheet - Page 185

• Manufacturer Part Number: IPTR-DSPBUILDER
• Description: DSP BUILDER SOFTWARE
• Manufacturer: Altera
• Type: DSPr

Specifications of IPTR-DSPBUILDER

• Function: DSP Builder
• License: Renewal License
• Software Application: IP CORE, DSP BUILDER
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Supported Families: Arria GX, Arria II GX, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: Not applicable / Not applicable

Chapter :
Troubleshooting Issues
Parameter Entry Problems in the DSP Block Dialog Box
DSP Builder System Not Detected in SOPC Builder
MATLAB Runs Out of Java Virtual Machine Heap Memory
ModelSim Fails to Invoke From DSP Builder
© June 2010 Altera Corporation
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Adjust the order in which Simulink exercises all the blocks in a feedback loop, by
giving blocks a priority value. This procedure is useful if you know which block is
providing the correct initial values.
The priority of a block can be set with the General tab in the block properties for a
block. A lower value of priority causes DSP Builder to execute a block before a block
with a higher value.
There are issues with the Block Properties dialog box for the DSP block. Some
interdependencies require that you close and re-open the dialog box to edit further
parameters. This issue may be occur after a warning message issues or when a
required option is not available.
For example, if you change the Output Rounding Operation Type you may get an
error when Symmetric is selected for the Output Saturation Operation Type. If this
occurs, set the saturation type to None (wrap) and close the dialog box. Reopen the
dialog box and you can select now select Symmetric saturation.
SOPC Builder may not detect DSP Builder systems whose hardware has been
generated using previous versions of the DSP Builder software. Altera does not
guarantee backwards compatibility of these modules when you use them in SOPC
Builder.
To workaround this issue, follow these steps:
1. Remove the <dspbuilder system name>_dspbuilder directory that the older DSP
2. Re-run compilation from the Signal Compiler block with the current DSP Builder
3. Refresh the SOPC Builder system.
For a very large design (containing many thousand blocks), MATLAB may have
insufficient heap memory available for the Java virtual machine and issues an error
message of the form:
For information about how to increase the heap space available to the Java virtual
machine, refer to:
If ModelSim fails to invoke from within DSP Builder, check that the currently
supported ModelSim executable (vsim.exe) is in the path. Your PC should
automaticall include ModelSim in your path if you install ModelSim-Altera but you
may need to be add it manually if you use a different ModelSim installation.
Builder version generated.
version.
“OutofMemoryError: Java heap space”
http://www.mathworks.com/support/solutions/data/1-18I2C.html
Preliminary
DSP Builder Standard Blockset User Guide
13–9