Altera DDR Timing Wizard Manuel d'utilisateur Page 5
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Altera Corporation v
November 2007 Preliminary
About this User Guide
Revision History
The table below displays the revision history for the chapters in this user
guide.
How to Contact
Altera
For the most up-to-date information about Altera products, go to the
Altera world-wide web site at www.altera.com. For technical support on
this product, go to www.altera.com/mysupport. For additional
information about Altera products, consult the sources shown below.
Chapter Date
Document
Version
Changes Made
All November 2007 3.0 ● Replaced all references to “IP Tool Bench” to “legacy controller
MegaWizard” and “altmemphy” to “ALTMEMPHY”.
● Updated the Entering and Editing Inputs to the DTW section in
Chapter 2. Getting Started for Quartus II 7.2 support.
● Added Chapter 3. Using the dtw_timing_analysis.tcl Script to
replace the Performing Timing Analysis section.
All July 2007 2.1
● Changed title of referenced document to: AN 413, Using Legacy
Integrated Static Data Path and Controller Megafunction with
Hardcopy II Structured ASICs.
All December 2006 2.0
● Updated document for Quartus II version 6.1 software.
● Added design flow.
● Introduced dtw_timing_analysis.tcl and usage.
● Introduced the clock uncertainties option.
All May 2006 1.0
● Initial version of the document.
Information Type USA & Canada All Other Locations
Technical support www.altera.com/mysupport/ www.altera.com/mysupport/
Product literature www.altera.com (1) www.altera.com (1)
Altera literature services [email protected] [email protected]
FTP site ftp.altera.com ftp.altera.com
Note to table:
(1) You can also contact your local Altera sales office or sales representative.
- DDR Timing Wizard 1
- Table of Contents 3
- November 2007 4
- About this User Guide 5
- Typographic 6
- Conventions 6
- 1. About the DDR Timing 7
- Device Family 8
- 1–4 Altera Corporation 10
- Introduction 10
- Altera Corporation 1–5 11
- About the DDR Timing Wizard 11
- Note to Figure 1–1: 11
- Features 12
- 2. Getting Started 13
- Design Flow 14
- 2–2 Altera Corporation 14
- Altera Corporation 2–3 15
- Getting Started 15
- 2–4 Altera Corporation 16
- Launching the 17
- DDR Timing 17
- Entering and 18
- Editing Inputs to 18
- Recommended Data Path 19
- 2–8 Altera Corporation 20
- Altera Corporation 2–9 21
- 2–10 Altera Corporation 22
- Altera Corporation 2–11 23
- 2–12 Altera Corporation 24
- Altera Corporation 2–13 25
- Synchronous Systems 26
- Altera Corporation 2–15 27
- (Figure 2–10) 28
- Altera Corporation 2–17 29
- 2–18 Altera Corporation 30
- Analysis & Synthesis 31
- 2–20 Altera Corporation 32
- Altera Corporation 2–21 33
- 2–22 Altera Corporation 34
- Click Next 35
- 2–24 Altera Corporation 36
- Altera Corporation 2–25 37
- 2–26 Altera Corporation 38
- Altera Corporation 2–27 39
- 2–28 Altera Corporation 40
- Altera Corporation 2–29 41
- Altera Corporation 2–31 43
- 200 MHz) 44
- Altera Corporation 2–33 45
- 2–34 Altera Corporation 46
- Altera Corporation 2–35 47
- 2–36 Altera Corporation 48
- Altera Corporation 2–37 49
- 2–38 Altera Corporation 50
- Altera Corporation 2–39 51
- 2–40 Altera Corporation 52
- Altera Corporation 2–41 53
- 2–42 Altera Corporation 54
- Altera Corporation 2–43 55
- Click Finish 56
- Altera Corporation 2–45 57
- DTW Limitations 58
- 2–48 Altera Corporation 60
- 3. Using the 61
- 3–2 Altera Corporation 62
- -dwz_file <value> 63
- -? or -help 63
- -after_iptb <value> 64
- -auto_adjust_cycles 64
- -extract_tcos <value> 64
- *auk_ddr_datapath 65
- *auk_qdrii_sram_datapath 65
- *auk_rldramii_datapath 65
- -stop_after <value> 66
- -vwf_file_name <value> 66
- -write_side 66
- Altera Corporation 3–7 67
- ■ Timing Summary 67
- Altera Corporation 3–9 69
- ■ Recommended Settings 69
- Timing Closure 72
- Altera Corporation 3–13 73
- Note to Figure 3–6: 73
- DDR2/DDR SDRAM Interfaces 74
- QDRII+/QDRII SRAM Interfaces 74
- RLDRAM II Interfaces 75
- 3–16 Altera Corporation 76
- Timing Closure Process 76
- Altera Corporation 3–17 77
- Analyzer 78
- Altera Corporation 3–19 79
- 3–20 Altera Corporation 80
- Altera Corporation 3–21 81
- 3–22 Altera Corporation 82
- Changing Clock Phase Shift 83
- 3–24 Altera Corporation 84
- Altera Corporation 3–25 85
- Changing Clock Cycles 87
- 3–28 Altera Corporation 88
- Altera Corporation 3–29 89
- 3–30 Altera Corporation 90
- ° phase shift in 90
- Altera Corporation 3–31 91
- Conclusion 92
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