ARM Cortex-A15 MPCore Processor Technical Reference Manual

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ARM Cortex-A15 MPCore ProcessorTechnical Reference ManualCopyright © 2011-2013 ARM. All rights reserved.Release InformationThe following changes have been made to this book.Change historyDate Issue Confidentiality Change26 April 2011 A Non-Confidential First release for r0p029 July 2011 B Non-Confidential First release for r1p028 September 2011 C Non-Confidential First release for r2p016 December 2011 D Non-Confidential First release for r2p120 March 2012 E Non-Confidential First release for r3p004 May 2012 F Non-Confidential First release for r3p113 July 2012 G Non-Confidential First release for r3p206 December 2012 H Non-Confidential First release for r3p324 June 2013 I Non-Confidential First release for r4p0Proprietary NoticeWords and logos marked with ® or are registered trademarks or trademarks of ARM ® in the EU and other countries,except as otherwise stated below in this proprietary notice. Other brands and names mentioned herein may be thetrademarks of their respective owners.Neither the whole nor any part of the information contained in, or the product described in, this document may beadapted or reproduced in any material form except with the prior written permission of the copyright holder.The product described in this document is subject to continuous developments and improvements. All particulars of theproduct and its use contained in this document are given by ARM in good faith. However, all warranties implied orexpressed, including but not limited to implied warranties of merchantability, or fitness for purpose, are excluded.This document is intended only to assist the reader in the use of the product. ARM shall not be liable for any loss ordamage arising from the use of any information in this document, or any error or omission in such information, or anyincorrect use of the product.Where the term ARM is used it means “ARM or any of its subsidiaries as appropriate”.Confidentiality StatusThis document is Non-Confidential. The right to use, copy and disclose this document may be subject to licenserestrictions in accordance with the terms of the agreement entered into by ARM and the party that ARM delivered thisdocument to.Product StatusThe information in this document is final, that is for a developed product.Web Addresshttp://www.arm.comARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. iiID062913Non-Confidential
ContentsARM Cortex-A15 MPCore Processor TechnicalReference ManualPrefaceAbout this book .......................................................................................................... viiFeedback .................................................................................................................... xiChapter 1Chapter 2Chapter 3Introduction1.1 About the Cortex-A15 MPCore processor ............................................................... 1-21.2 Compliance .............................................................................................................. 1-31.3 Features ................................................................................................................... 1-51.4 Interfaces ................................................................................................................. 1-61.5 Implementation options ............................................................................................ 1-71.6 Product documentation and design flow .................................................................. 1-91.7 Product revisions ................................................................................................... 1-11Functional Description2.1 About the Cortex-A15 MPCore processor functions ................................................ 2-22.2 Interfaces ................................................................................................................. 2-62.3 Clocking and resets ................................................................................................. 2-82.4 Power management ............................................................................................... 2-21Programmers Model3.1 About the programmers model ................................................................................ 3-23.2 Execution environment support ............................................................................... 3-33.3 Advanced SIMD and VFP Extensions ..................................................................... 3-43.4 Security Extensions architecture ............................................................................. 3-53.5 Virtualization Extensions architecture ...................................................................... 3-73.6 Large Physical Address Extension architecture ...................................................... 3-8ARM DDI 0438I Copyright © 2011-2013 ARM. All rights reserved. iiiID062913Non-Confidential
Page 1: ®ARM®Cortex -A15 MPCoreProcessorR
Page 5 and 6: Contents11.4 PMU register descripti
Page 7 and 8: PrefaceAbout this bookThis book is
Page 9 and 10: Preface(continued)Stylemonospace bo
Page 11 and 12: PrefaceFeedbackARM welcomes feedbac
Page 13 and 14: Introduction1.1 About the Cortex-A1
Page 15 and 16: Introduction1.2.3 Debug architectur
Page 17 and 18: Introduction1.4 InterfacesThe proce
Page 19 and 20: Introduction• The L2 tag RAM regi
Page 21 and 22: IntroductionThe ARM product deliver
Page 23 and 24: Introduction1.7.5 r1p0 - r2p0The fo
Page 25 and 26: Introduction• Added L1 data TLB s
Page 27 and 28: Functional Description2.1 About the
Page 29 and 30: Functional DescriptionLoad/Store un
Page 31 and 32: Functional Description2.2 Interface
Page 33 and 34: Functional Description2.3 Clocking
Page 35 and 36: Functional DescriptionFigure 2-5 sh
Page 37: Functional DescriptionAll resets ar
Page 41 and 42: Functional DescriptionPowerup reset
Page 43 and 44: Functional Description• nPRESETDB
Page 45 and 46: Functional Description• L2 unifie
Page 47 and 48: Functional DescriptionOn entry into
Page 49 and 50: Functional DescriptionWhen the proc
Page 51 and 52: Functional DescriptionNoteFigure 2-
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Functional DescriptionRegional cloc
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Functional DescriptionTable 2-3 Val
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Functional Description4. Release th
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Functional DescriptionDebug power d
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Functional DescriptionNoteAfter a p
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Functional DescriptionThe external
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Programmers Model3.1 About the prog
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Programmers Model3.3 Advanced SIMD
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Programmers ModelYou can use the CP
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Programmers Model3.6 Large Physical
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Programmers Model3.8 Modes of opera
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Chapter 4System ControlThis chapter
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System Control4.2 Register summaryT
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System ControlOp1 CRm Op2 Name Rese
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System ControlTable 4-6 c5 register
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System ControlTable 4-8 c7 register
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System ControlTable 4-10 c9 registe
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System Control4.2.14 c15 registersT
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System ControlName CRn Op1 CRm Op2
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System Control4.2.19 Other system c
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System Control4.2.24 Performance mo
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System Control4.2.26 Virtualization
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System Control4.3 Register descript
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System ControlTo access the CTR, re
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System ControlTable 4-34 shows the
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System Control4.3.12 Memory Model F
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System ControlTable 4-40 ID_MMFR3 b
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System Control31 28 27 24 23 20 19
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System ControlTable 4-43 ID_ISAR2 b
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Page 124 and 125:
Page 126 and 127:
System ControlConfigurationsAvailab
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System ControlMCR p15, 4, , c0, c0,
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System ControlTable 4-52 SCTLR bit
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System Control31 30 29 28 27 26 25
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System ControlTable 4-53 ACTLR bit
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System ControlTable 4-53 ACTLR bit
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System ControlUsage constraints The
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System Control• The L2 internal a
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System Control31 30 29 28 27 26 25
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Page 146 and 147:
System ControlUsage constraints The
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System ControlTable 4-59 HCPTR bit
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System ControlTable 4-61 DFSR bit a
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System ControlTable 4-63 IFSR bit a
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System ControlConfigurationsAvailab
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System Control• UNKNOWN when exec
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System Control31 30 26 25 24 23 22
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System Control• Only accessible f
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System Control31 0DataFigure 4-40 I
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Page 168 and 169:
System ControlThe data returned fro
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System ControlThe data returned fro
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System Control31 24 23 21 20 19 18
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System Control4.3.60 L2 Auxiliary C
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System ControlTable 4-74 L2ACTLR bi
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System Control• Is only accessibl
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Page 182 and 183:
Page 184 and 185:
System ControlTable 4-79 L2MERRSR b
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Memory Management Unit5.1 About the
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Memory Management Unit5.3 TLB match
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Memory Management Unit• The TLB t
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Memory Management Unit5.6 Intermedi
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Memory Management Unit5.7 External
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Level 1 Memory System6.1 About the
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Level 1 Memory System6.3 L1 instruc
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Level 1 Memory System6.4 L1 data me
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Level 1 Memory SystemL1 or L2 cache
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Level 1 Memory SystemExternal globa
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Level 1 Memory System6.5 Program fl
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Level 1 Memory SystemReset:• Disa
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Chapter 7Level 2 Memory SystemThis
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Level 2 Memory System7.2 Cache orga
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Level 2 Memory System7.2.5 Register
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Level 2 Memory SystemNote• The L2
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Level 2 Memory System7.4 L2 cache p
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Level 2 Memory System7.6 Asynchrono
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Level 2 Memory SystemFor certain tr
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Level 2 Memory System7.7.6 Snoop fi
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Level 2 Memory SystemTable 7-6 show
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Chapter 8Generic Interrupt Controll
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Generic Interrupt Controller8.2 GIC
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Generic Interrupt Controller8.2.4 I
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Generic Interrupt Controller8.3 GIC
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Generic Interrupt ControllerOffset
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Generic Interrupt ControllerTable 8
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Generic Interrupt ControllerPrivate
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Generic Interrupt Controller0x1D043
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Generic Interrupt ControllerThe Cor
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Generic Interrupt ControllerTable 8
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Generic Interrupt Controller8.3.8 V
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Generic Timer9.1 About the Generic
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Generic Timer9.3 Generic Timer prog
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Chapter 10DebugThis chapter describ
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Debug• Operating systems.• Hard
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DebugnPRESETDBGThis signal initiali
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DebugTable 10-1 CP14 debug register
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DebugTable 10-1 CP14 debug register
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DebugTable 10-2 DBGDIDR bit assignm
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DebugTable 10-4 shows the DBGDRCR b
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DebugConfigurationsAttributesThe pr
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DebugTable 10-8 DBGBCR bit assignme
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DebugTable 10-10 shows the DBGWCR b
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Debug31 12 11 2 1 0ROMADDR[31:12]Re
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Debug10.4.12 OS Lock Status Registe
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DebugTable 10-15 shows the DBGPRCR
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DebugTable 10-16 DBGDSAR bit assign
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Debug31 1 0ReservedIntegration mode
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DebugTable 10-22 shows the DBGDEVID
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Debug10.4.23 Component Identificati
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Debug10.6 External debug interfaceT
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DebugIf software running on the pro
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Performance Monitor Unit11.1 About
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Performance Monitor Unit11.3 PMU re
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Performance Monitor UnitTable 11-1
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Page 302 and 303:
Page 304 and 305:
Performance Monitor Unit11.5 Effect
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Page 308 and 309:
Performance Monitor Unit11.7 Interr
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Chapter 12Program Trace MacrocellTh
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Program Trace Macrocell12.2 PTM opt
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Program Trace MacrocellYou can also
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Program Trace Macrocell12.5 PTM pro
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Program Trace Macrocellarchitecture
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Program Trace Macrocell12.6 Registe
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Program Trace MacrocellTable 12-4 P
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Program Trace MacrocellTable 12-5 E
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Program Trace MacrocellTable 12-6 E
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Program Trace Macrocell31 26 25 24
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Program Trace Macrocell12.7.8 Confi
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Program Trace Macrocell12.7.10 Auxi
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Program Trace Macrocell31 4 3 2 0Re
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Program Trace MacrocellTable 12-17
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Program Trace Macrocell31 7 60Reser
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Program Trace MacrocellThe Componen
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Cross Trigger13.1 About the cross t
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Cross Trigger13.3 Cortex-A15 CTIIn
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Chapter 14NEON and VFP UnitThis cha
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NEON and VFP UnitARM DDI 0438I Copy
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NEON and VFP UnitSee the ARM ® Arc
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NEON and VFP UnitConfigurationsAvai
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NEON and VFP UnitTable 14-5 FPSCR b
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NEON and VFP UnitTable 14-6 MVFR1 b
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NEON and VFP Unit31 30 29 0Reserved
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Signal DescriptionsA.1 About the si
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Signal DescriptionsA.3 Reset signal
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Signal DescriptionsA.5 Generic Inte
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Signal DescriptionsA.6 Generic Time
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Signal DescriptionsA.8 Power manage
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Signal DescriptionsA.9 AXI interfac
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Signal DescriptionsWrite address ch
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Signal DescriptionsTable A-14 Read
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Signal DescriptionsTable A-20 Write
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Signal DescriptionsA.10 External de
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Signal DescriptionsTable A-27 Misce
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Signal DescriptionsA.12 Cross trigg
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Signal DescriptionsA.14 DFT and MBI
Page 386 and 387:
Appendix BRevisionsThis appendix de
Page 388 and 389:
RevisionsTable B-3 Differences betw
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Page 392:
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