Altera PowerPlay Early Power Estimator Manual de usuario Pagina 14

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2–6 Altera Corporation
PowerPlay Early Power Estimator For Arria GX FPGAs May 2008
Entering Information into the PowerPlay Early Power Estimator
Importing a file from the Quartus II software populates all input
parameters on the main page that were specified in the Quartus II
software. These parameters include:
Family
Device
Package
Temperature grade
Power characteristics
Ambient or junction temperature
Heat sink
Airflow
Custom θ
SA
or custom θ
JA
Board thermal model
Custom θ
JB
Board temperature
The ambient or junction temperature, airflow, heat sink, custom θ
SA
, or
custom θ
JA
board thermal model, custom θ
JB
, and board temperature
parameters are optional. See “Main Input Parameters” on page 3–1 for
more information on these parameters.
The f
MAX
values imported into the PowerPlay Early Power Estimator
spreadsheet are the same as the f
MAX
values specified by the designer in
the Quartus II software. You can manually edit the f
MAX
and the toggle
percentage in the PowerPlay Early Power Estimator spreadsheet to suit
your system requirements.
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