Altera ALTDLL Manual de usuario

101 Innovation DriveSan Jose, CA 95134www.altera.comALTDLL and ALTDQ_DQSMegafunctions User GuideSoftware Version: 9.1Document Version: 5.0Document Dat

Chapter 2: Getting Started 2–4Design Example: Implementing Read Paths Using Stratix III Devices© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS

Chapter 4: Functional Description 4–64Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–65 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideA. Clear Box GeneratorUsing Clear Box GeneratorYou can use the clear b

A–2 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationClear Bo

A–3Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideFigure A–3 shows a sample text file used

A–4 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDLL_OFFS

A–5Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable A–2 lists the high-level Clear Box

A–6 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable A–

A–7Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideUSE_DQS_DELAY_CHAIN_PHASECTRLINOptionalO

A–8 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQS_CTRL

2–5 Chapter 2: Getting StartedDesign Example: Implementing Read Paths Using Stratix III DevicesALTDLL and ALTDQ_DQS Megafunctions User Guide © Februar

A–9Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable A–4 summarizes the Clear Box param

A–10 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable A

A–11Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable A–6 summarizes the Clear Box para

A–12 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQ_INPU

A–13Clear Box Generator Options© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable A–8 summarizes the Clear Box para

A–14 Appendix A: Clear Box GeneratorClear Box Generator OptionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable A

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideAdditional InformationRevision HistoryThe following table lists the re

Info–2Typographic ConventionsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTypographic ConventionsThe following tabl

Chapter 2: Getting Started 2–6Design Example: Implementing Read Paths Using Stratix III Devices© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS

2–7 Chapter 2: Getting StartedDesign Example: Implementing Read Paths Using Stratix III DevicesALTDLL and ALTDQ_DQS Megafunctions User Guide © Februar

Chapter 2: Getting Started 2–8Design Example: Implementing Read Paths Using Stratix III Devices© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS

2–9 Chapter 2: Getting StartedDesign Example: Implementing Read Paths Using Stratix III DevicesALTDLL and ALTDQ_DQS Megafunctions User Guide © Februar

Chapter 2: Getting Started 2–10Design Example: Implementing Read Paths Using Stratix III Devices© February 2012 Altera Corporation ALTDLL and ALTDQ_DQ

Chapter 2: Getting Started 2–11Design Example: Implementing Read Paths Using Stratix III Devices© February 2012 Altera Corporation ALTDLL and ALTDQ_DQ

2–12 Chapter 2: Getting StartedDesign Example: Implementing Read Paths Using Stratix III DevicesALTDLL and ALTDQ_DQS Megafunctions User Guide © Februa

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide3. Parameter SettingsThe Quartus II software provides the MegaWizard P

Copyright © 2010 Altera Corporation. All rights reserved. Altera, The Programmable Solutions Company, the stylized Altera logo, specific device design

3–2 Chapter 3: Parameter SettingsALTDLL Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable 3–1. Opt

Chapter 3: Parameter Settings 3–3ALTDLL Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideThe DLL Offset

3–4 Chapter 3: Parameter SettingsALTDLL Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe Simulation

Chapter 3: Parameter Settings 3–5ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideChoose from

3–6 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera Corporation.Table 3–3.

Chapter 3: Parameter Settings 3–7ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideThe Advance

3–8 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera Corporation Reset/Con

Chapter 3: Parameter Settings 3–9ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideEnable DQS

3–10 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable 3–5

Chapter 3: Parameter Settings 3–11ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable 3–6

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideContentsChapter 1. About these MegafunctionsDevice Support . . . .

3–12 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable 3–6.

Chapter 3: Parameter Settings 3–13ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ Input R

3–14 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable 3–7

Chapter 3: Parameter Settings 3–15ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable 3–8

3–16 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationTable 3–9

Chapter 3: Parameter Settings 3–17ALTDQ_DQS Parameter Editor© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable 3–10

3–18 Chapter 3: Parameter SettingsALTDQ_DQS Parameter EditorALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe Simula

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide4. Functional DescriptionThis section describes the functionality of t

Chapter 4: Functional Description 4–2Custom External Memory Interface Datapaths Overview© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafu

4–3 Chapter 4: Functional DescriptionALTDLL MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationALTDLL Megafun

ivALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III

Chapter 4: Functional Description 4–4ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideThe names D

4–5 Chapter 4: Functional DescriptionALTDQ_DQS MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQS_CONFIG

Chapter 4: Functional Description 4–6ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQS Input P

4–7 Chapter 4: Functional DescriptionALTDQ_DQS MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe DQS inp

Chapter 4: Functional Description 4–8ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ Input Pa

4–9 Chapter 4: Functional DescriptionALTDQ_DQS MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe DQ inpu

Chapter 4: Functional Description 4–10ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ Output/

4–11 Chapter 4: Functional DescriptionALTDQ_DQS MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe DQ out

Chapter 4: Functional Description 4–12ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQS Output

4–13 Chapter 4: Functional DescriptionALTDQ_DQS MegafunctionALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe DQS ou

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide1. About these MegafunctionsThe ALTDLL and ALTDQ_DQS megafunctions pro

Chapter 4: Functional Description 4–14ALTDQ_DQS Megafunction© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ/DQS OCT

4–15 Chapter 4: Functional DescriptionDelay ChainsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDelay Chains The ALT

Chapter 4: Functional Description 4–16Delay Chains© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDeskew Delay ChainsT

4–17 Chapter 4: Functional DescriptionDelay ChainsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationThe SSN is induced w

Chapter 4: Functional Description 4–18ALTIOBUF Megafunction and Delay Chains Integration© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafu

4–19 Chapter 4: Functional DescriptionALTIOBUF Megafunction and Delay Chains IntegrationALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012

Chapter 4: Functional Description 4–20ALTIOBUF Megafunction and Delay Chains Integration© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafu

4–21 Chapter 4: Functional DescriptionALTIOBUF Megafunction and Delay Chains IntegrationALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012

Chapter 4: Functional Description 4–22DQS_CONFIG / IO_CONFIG Block© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQS_

4–23 Chapter 4: Functional DescriptionDQS_CONFIG / IO_CONFIG BlockALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationIn a

1–2 Chapter 1: About these MegafunctionsFeaturesALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationFeaturesThe ALTDLL and

Chapter 4: Functional Description 4–24DQS_CONFIG / IO_CONFIG Block© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideFigu

4–25 Chapter 4: Functional DescriptionDQS_CONFIG / IO_CONFIG BlockALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationSett

Chapter 4: Functional Description 4–26DQS_CONFIG / IO_CONFIG Block© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideFigu

4–27 Chapter 4: Functional DescriptionDQS_CONFIG / IO_CONFIG BlockALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationFigu

Chapter 4: Functional Description 4–28DQS_CONFIG / IO_CONFIG Block© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideSett

4–29 Chapter 4: Functional DescriptionDQS_CONFIG / IO_CONFIG BlockALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationFigu

Chapter 4: Functional Description 4–30DQS_CONFIG / IO_CONFIG Block© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideFigu

4–31 Chapter 4: Functional DescriptionALTDLL Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationALTDLL

Chapter 4: Functional Description 4–32ALTDLL Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideTable 4

4–33 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationALTD

© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide2. Getting StartedDesign FlowThis chapter describes the FPGA design fl

Chapter 4: Functional Description 4–34ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guidedqs_

4–35 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQS

Chapter 4: Functional Description 4–36ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQS

4–37 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQ/D

Chapter 4: Functional Description 4–38ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ I

4–39 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera Corporationbidi

Chapter 4: Functional Description 4–40ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ O

4–41 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera Corporationdq_o

Chapter 4: Functional Description 4–42ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User GuideDQ O

4–43 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQSn

Chapter 2: Getting Started 2–2Design Flow© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide4. Instantiate the ALTDQ_DQS

Chapter 4: Functional Description 4–44ALTDQ_DQS Megafunction Ports© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guidedqsn

4–45 Chapter 4: Functional DescriptionALTDQ_DQS Megafunction PortsALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationDQS_

Chapter 4: Functional Description 4–46Correct Settings for External Memory Interfaces© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunct

4–47 Chapter 4: Functional DescriptionCorrect Settings for External Memory InterfacesALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Alt

Chapter 4: Functional Description 4–48Correct Settings for External Memory Interfaces© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunct

4–49 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–50Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–51 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–52Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–53 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

2–3 Chapter 2: Getting StartedDesign FlowALTDLL and ALTDQ_DQS Megafunctions User Guide © February 2012 Altera CorporationSimulate the DesignAfter inst

Chapter 4: Functional Description 4–54Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–55 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–56Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–57 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–58Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–59 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–60Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–61 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui

Chapter 4: Functional Description 4–62Design Example: Implementing Half-Rate DDR2 Interface in Stratix III Devices© February 2012 Altera Corporation A

4–63 Chapter 4: Functional DescriptionDesign Example: Implementing Half-Rate DDR2 Interface in Stratix III ALTDLL and ALTDQ_DQS Megafunctions User Gui