Altera Cyclone II PowerPlay Early Power Estimator - Manual (Page 3)

Altera Corporation iii
Contents
About this User Guide ............................................................................. v
Revision History ........................................................................................................................................ v
How to Contact Altera .............................................................................................................................. v
Typographic Conventions ........................................................................................................................ v
Chapter 1. About the Cyclone II PowerPlay Early Power Estimator
Release Information ............................................................................................................................... 1–1
Device Family Support ......................................................................................................................... 1–1
General Description ............................................................................................................................... 1–1
Features ................................................................................................................................................... 1–2
Chapter 2. Setting Up the Cyclone II PowerPlay Early Power Estimator
System Requirements ............................................................................................................................ 2–1
Download & Install the PowerPlay Early Power Estimator Spreadsheet ..................................... 2–1
Estimating Power ................................................................................................................................... 2–1
Estimating Power Before Starting the FPGA Design .................................................................. 2–2
Estimating Power While Creating the FPGA Design ................................................................. 2–2
Estimating Power After Completing the FPGA Design ............................................................. 2–4
Entering Information into the PowerPlay Early Power Estimator ................................................. 2–4
Clearing All Values .......................................................................................................................... 2–4
Manually Entering Information ..................................................................................................... 2–5
Importing a File ................................................................................................................................ 2–5
Importing Information from Early Power Estimator Version 5.1 ............................................. 2–6
Chapter 3. Using the Cyclone II PowerPlay Early Power Estimator
Introduction ............................................................................................................................................ 3–1
PowerPlay Early Power Estimator Spreadsheet Inputs ................................................................... 3–1
Main Input Parameters .................................................................................................................... 3–1
Logic ................................................................................................................................................... 3–3
RAM Blocks ....................................................................................................................................... 3–7
Multiplier Blocks ............................................................................................................................ 3–11
General I/O Pins ............................................................................................................................ 3–13
Phase-Locked Loops ...................................................................................................................... 3–20
Clocks ............................................................................................................................................... 3–21
Power Analysis .................................................................................................................................... 3–23
Thermal Power ............................................................................................................................... 3–24
Thermal Analysis ........................................................................................................................... 3–26
Not Using a Heat Sink .............................................................................................................. 3–26
Using a Heat Sink ...................................................................................................................... 3–27
Power Supply Sizing (A) ............................................................................................................... 3–30