Altera PowerPlay Early Power Estimator - Manual (Page 14)

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.