Altera Cyclone II PowerPlay Early Power Estimator - Manual (Page 14)

2–6 Altera Corporation
PowerPlay Early Power Estimator User Guide For Cyclone II FPGAs May 2006
Entering Information into the PowerPlay Early Power Estimator
1
After importing a file, you must verify all your information.
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:
• Device
• Package
• Temperature grade
• Power characteristics
• Ambient temperature
• Airflow
• Heat sink
• Custom
θ
SA
• Board thermal model
• Custom
θ
JB
• Board temp T
B
The airflow, heat sink, custom
θ
SA
, board thermal model, custom
θ
JB
, and
board temperature T
B
parameters are optional. Refer to “Main Input
Parameters” on page 3–1 for more information on these parameters.
The f
MAX
values imported into the PowerPlay early power estimator 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 to suit your system requirements.
Importing Information from Early Power Estimator Version 5.1
If you already have an existing version 5.1 PowerPlay Early Power
Estimator file, you can import the data directly into version 6.0 of the
PowerPlay early power estimator using the Import EPE v.51 feature. This
can save time and effort otherwise spent manually entering information
into the PowerPlay early power estimator.
To import data from version 2.1 of the PowerPlay early power estimator,
perform the following steps.
1. Click Import EPE v5.1.
2. Browse to the EPE and click Open.
3. Click OK.
Clicking OK, acknowledges that the import is complete.