Conclusion, Conclusion –32 – Altera DDR Timing Wizard User Manual
Page 92
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3–32
Altera Corporation
DDR Timing Wizard User Guide
November 2007
Conclusion
Conclusion
You can close timing within two compiles if you do not need to change
the intermediate registers. You can fix timing for both read and write
paths in parallel, saving compilation time. The dtw_timing_analysis.tcl
script makes it easier to see the system timing margin for each path.
Furthermore, the Recommended Setting panel suggests the ideal phase
shifts, making it easier to close timing on the design. With the
–auto_adjust_cycles
and –after_iptb import_and_compile switches, you
only need to open DTW once to set up the design and let the
dtw_timing_analysis.tcl
script do the rest.
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