Altera PowerPlay Early Power Estimator User Manual

Page 27

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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

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