AMBA Design Kit Technical Reference Manual - ARM Information ...

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AHB Components3.10 APB bridgeThe AHB-APB bridge is an AHB slave, providing an interface between the high-speedAHB domain and the low-power APB domain. Read and write transfers on the AHB areconverted into corresponding transfers on the APB through a master interface. Becausethe APB is not pipelined, wait states are added during transfers to and from the APBwhen the AHB is required to wait for the APB protocol. The default configuration is 16slots.In this release of ADK there are two versions of the APB bridge.3.10.1 Ahb2Apb bridgeThe Ahb2Apb bridge consists of the following:• It is the original ADK bridge.• Instanced within EASY systems, and is used in those examples.• Supports APB 2.0 only.• Always returns an OKAY response.• Peripheral slot size decoded from HADDR[27:24], and is 16MB.• Uses MuxP2B peripheral to bridge multiplexor.Figure 3-14 shows the Ahb2Apb bridge module diagram.Figure 3-14 Ahb2Apb bridge module3-40 Copyright © 2003, 2007 ARM Limited. All rights reserved. ARM DDI 0243C
AHB ComponentsThis subsection describes:• Programmer's model• Signal descriptions.Programmer's modelThe Aph2Apb bridge controls the memory map for the peripherals, and generates aselect signal for each peripheral. Figure 3-15 shows the default system memory mapused within the EASY example systems.Figure 3-15 Allocation of APB memory slots within EASY systemsSignal descriptionsThe Aph2Apb bridge uses only AMBA signals. For a description of the AMBA signals,see AMBA signals on page 1-3.NoteTiming diagrams showing the relationship between AHB and APB transfers are in theAPB Specification.ARM DDI 0243C Copyright © 2003, 2007 ARM Limited. All rights reserved. 3-41
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AMBA Design KitRevision: r3p0Techni
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ContentsAMBA Design Kit Technical R
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List of TablesAMBA Design Kit Techn
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List of TablesTable 4-23 WDOGPERIPH
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List of FiguresAMBA Design Kit Tech
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List of FiguresFigure 4-24 PrimeCel
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PrefaceThis preface introduces the
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PrefaceAppendix A AHB-Lite Overview
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PrefaceNumberingThe numbering conve
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Chapter 1IntroductionThis chapter d
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Introduction1.2 AMBA signalsThis se
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IntroductionSignalDirectionSlave Ma
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Introduction1.3 Product revisionsTh
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Chapter 2Functional OverviewThis ch
Page 29 and 30: Functional Overview2.2 ADK componen
Page 32 and 33: Functional OverviewPrimeCell Genera
Page 34 and 35: Functional Overview• MuxS2M• Re
Page 36 and 37: Functional Overview• AHB2:— EgM
Page 38 and 39: Functional Overview• Decoder• M
Page 40 and 41: Functional OverviewAddressNormal me
Page 42 and 43: AHB Components• 64-bit to 32-bit
Page 44 and 45: AHB Components3.2 ArbiterThe AMBA b
Page 46 and 47: AHB Components3.2.2 Signal descript
Page 48 and 49: AHB Components3.4 Master-to-slave m
Page 50 and 51: AHB Components3.6 Example retry sla
Page 52 and 53: AHB Components3.7.1 SMI programmer
Page 54 and 55: AHB ComponentsTest vector typesThe
Page 56 and 57: AHB ComponentsThe address increment
Page 58 and 59: AHB ComponentsTable 3-7 Signal desc
Page 60 and 61: AHB Components3.8 Bus matrixThis se
Page 62 and 63: AHB ComponentsThe two products are
Page 64 and 65: AHB Components Figure 3-8 BusMatrix
Page 66 and 67: AHB ComponentsNoteWhen connecting t
Page 68 and 69: AHB Components• If the Bus Matrix
Page 70 and 71: AHB ComponentsINCR bursts are treat
Page 72 and 73: AHB ComponentsFigure 3-11 on page 3
Page 74 and 75: AHB Components3.8.10 Signal descrip
Page 76 and 77: AHB ComponentsTable 3-8 Bus Matrix
Page 78 and 79: AHB ComponentsAddress0xFFFFFFFF0xF0
Page 82 and 83: AHB Components3.10.2 AhbToAPB bridg
Page 84 and 85: AHB Components3.11 Example bus mast
Page 86 and 87: AHB ComponentsConfigurable optionsT
Page 88 and 89: AHB ComponentsAhb2Ahb (1:1)This is
Page 90 and 91: AHB ComponentsTrial synthesis of th
Page 92 and 93: AHB ComponentsAHB1AHBdecoder 1A[31:
Page 94 and 95: AHB Componentsconfirmation of compl
Page 96 and 97: AHB ComponentsMaster cancelspending
Page 98 and 99: AHB ComponentsSignal AHB bus Direct
Page 100 and 101: AHB Components3.13 Asynchronous AHB
Page 102 and 103: AHB ComponentsTable 3-13 Asynchrono
Page 104 and 105: AHB ComponentsTable 3-13 Asynchrono
Page 106 and 107: AHB ComponentsSlave responsesLocked
Page 108 and 109: AHB ComponentsThe nonvectored and d
Page 110 and 111: AHB Components7. Clear the interrup
Page 112 and 113: AHB ComponentsBits Name FunctionIRQ
Page 114 and 115: AHB ComponentsBits Name FunctionSof
Page 116 and 117: AHB ComponentsDefault Vector Addres
Page 118 and 119: AHB ComponentsTable 3-30 lists the
Page 120 and 121: AHB ComponentsPeripheral Identifica
Page 122 and 123: AHB ComponentsPrimeCell Identificat
Page 124 and 125: AHB ComponentsSignal Type Direction
Page 126 and 127: AHB ComponentsDownsizer transfersTh
Page 128 and 129: AHB ComponentsUnsupported transfers
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AHB ComponentsTable 3-43 Signal map
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AHB ComponentsInstead of reading HR
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AHB ComponentsThe funnel can only f
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AHB Components3-96 Copyright © 200
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APB Components4.1 Remap and pause c
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APB ComponentsReset Status Clear Re
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APB ComponentsPeripheral Identifica
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APB ComponentsPrimeCell Identificat
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APB ComponentsThe functionality of
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APB Components4.3 Peripheral to bri
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APB Components4.4.1 Programmer’s
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APB ComponentsWatchdog Raw Interrup
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APB ComponentsWatchdog Integration
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APB ComponentsNoteWhen you design a
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APB ComponentsThe four, 8-bit Prime
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APB Components4.5 Dual input timerT
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APB Componentsbackground load value
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APB Components• TIMCLKENx is tied
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APB ComponentsCurrent Value Registe
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APB ComponentsTable 4-31 lists the
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APB ComponentsTable 4-34 lists the
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APB ComponentsPeripheral Identifica
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APB ComponentsPrimeCell Identificat
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APB Components4-40 Copyright © 200
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Behavioral Models5.1 External RAM,T
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Behavioral Models5.2 Internal memor
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Behavioral Models5.3 External ROMTh
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Behavioral Models5.5 AHB file reade
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Behavioral ModelsThe following AHB-
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Behavioral ModelsIf HREADY is asser
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Behavioral ModelsCycle n Cycle n+1C
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Behavioral ModelsCycle 1 Cycle 2Com
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Behavioral ModelsThis sequence perf
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Behavioral ModelsTable 5-7 Stimulus
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Behavioral ModelsField Default Valu
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Behavioral ModelsInput stimulusfile
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Behavioral ModelsEndiannessThe prep
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Behavioral ModelsTable 5-13 fm2conv
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Behavioral ModelsTable 5-16 Numberi
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Behavioral Models5.6 Test interface
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Behavioral Models5.6.2 User-defined
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PrimeCell GPIO6.1 OperationThe Prim
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PrimeCell GPIO6-4 Copyright © 2003
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AHB-Lite OverviewA.1 About AHB-Lite
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AHB-Lite OverviewTable A-1 AHB-Lite
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AHB-Lite OverviewA.3 AHB-Lite slave
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GlossaryAdvanced Peripheral Bus (AP
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Glossaryaddresses cause accesses to
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GlossaryGlossary-6 Copyright © 200
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