User manual

Tutorial: Using the logic estimator
Open the alumapping2 project in the TutorialFIR workspace, accessible from
Start>Programs>Celoxica>Platform Developer's Kit>Tutorials>TutorialFIR on the Start Menu. This contains the
code shown above for the pipelined adder tree. Build the project for EDIF, and open Summary.html in the
folder
PDK/Tutorials/General/TutorialFIR/alumapping2/EDIF. The summary from the logic estimator is shown
below:
LOGIC ESTIMATION SUMMARY FOR ALUMAPPING1 PROJECT
Comparing this estimation summary for that from the previous version of the FIR filter (Using ALU
Mapping), it can be seen that the hardware usage has increased somewhat, but also that the longest
path has now been reduced by 40%. The critical path is now back in the multipliers once again, as
shown below:
LONGEST PATH SUMMARY FOR ALUMAPPING2 PROJECT
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