参数资料
型号: IP-SDRAM/DDR2
厂商: Altera
文件页数: 24/106页
文件大小: 0K
描述: IP DDR2 SDRAM CONTROLLER
标准包装: 1
系列: *
类型: MegaCore
功能: DDR2 SDRAM 控制器
许可证: 初始许可证
2–14
Chapter 2: Getting Started
MegaWizard Plug-In Manager Design Flow
Figure 2–1. System Naming
example_top
Example Top-Level Design
Other Logic
my_system
System
my_ddr_sdram
DDR SDRAM Controller
DDR SDRAM
auk_ddr_sdram
Interface
DDR SDRAM
PLL
Data Path
25. IP Toolbench uses a prefix (for example, ddr_ , or ddr2_ ) for the names of all
memory interface pins. Enter a prefix for all memory interface pins associated
with this custom variation.
26. If you want to access the manual timing settings, click the Manual Timing tab.
Otherwise, click Finish and proceed to “Constraints” on page 2–15 .
f
For more information on the manual timing settings, refer to Appendix A,
27. Choose Automatic , Always , or Never in the Reclock resynchronized data to the
positive edge list.
28. Turn on Manual resynchronization control , only if you want to override the
wizard-calculated values.
1
f
Under most circumstances, IP Toolbench calculates the correct
resynchronization settings for your custom variation.
For more information on resynchronization, refer to “Resynchronization”
29. Turn on Manual postamble control , only if you want to override the
wizard-calculated values.
1
f
Under most circumstances, IP Toolbench calculates the correct postamble
settings for your custom variation.
For more information on postamble, refer to “DQS Postamble” on
30. Turn on your timing analysis options.
31. Click Finish .
? March 2009 Altera Corporation
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