Altera PowerPlay Early Power Estimator User Manual
Page 27
Figure 3-15: RAM Worksheet of the PowerPlay EPE Spreadsheet
Table 3-6: RAM Worksheet Information
Column Heading
Description
Module
Enter a name for the RAM module in this column. This is an optional
value.
RAM Type
Select the implemented RAM type.
You can find the RAM type in the Type column of the Quartus II
Compilation Report. In the Compilation Report, select Fitter and
click Resource Section. Click RAM Summary.
#RAM Blocks
Enter the number of RAM blocks in the module that use the same type
and mode and have the same parameter for each port. The parameters
for each port are:
• Clock frequency in MHz
• Percentage of time the RAM is enabled
• Percentage of time the port is writing as opposed to reading
You can find the number of RAM blocks in either the memory logic
array block (MLAB), M9K, M10K, M20K, or M144K column of the
Quartus II Compilation Report. In the Compilation Report, select
Fitter and click Resource Section. Click RAM Summary.
Data Width
Enter the width of the data for the RAM block. This value is limited
based on the RAM type. You can find the width of the RAM block in
the Port A Width or the Port B Width column of the Quartus II
Compilation Report. In the Compilation Report, select Fitter and
click Resource Section. Click RAM Summary.
For RAM blocks that have different widths for Port A and Port B, use
the larger of the two widths.
RAM Depth
Enter the depth of the RAM block in number of words.
You can find the depth of the RAM block in the Port A Depth or the
Port B Depth column of the Quartus II Compilation Report. In the
Compilation Report, select Fitter and click Resource Section. Click
RAM Summary.
UG-01070
2015.01.20
RAM Worksheet
3-17
PowerPlay Early Power Estimator Worksheets
Altera Corporation