- •Contents
- •List of Tables
- •List of Figures
- •Preface
- •About this manual
- •Product revision status
- •Intended audience
- •Using this manual
- •Conventions
- •Additional reading
- •Feedback
- •Feedback on the product
- •Feedback on this book
- •Introduction
- •1.1 About the processor
- •1.2 Extensions to ARMv6
- •1.3 TrustZone security extensions
- •1.4.1 Instruction compression
- •1.4.2 The Thumb instruction set
- •1.4.3 Java bytecodes
- •1.5 Components of the processor
- •1.5.1 Integer core
- •1.5.2 Load Store Unit (LSU)
- •1.5.3 Prefetch unit
- •1.5.4 Memory system
- •1.5.5 AMBA AXI interface
- •1.5.6 Coprocessor interface
- •1.5.7 Debug
- •1.5.8 Instruction cycle summary and interlocks
- •1.5.9 System control
- •1.5.10 Interrupt handling
- •1.6 Power management
- •1.7 Configurable options
- •1.8 Pipeline stages
- •1.9 Typical pipeline operations
- •1.9.1 Instruction progression
- •1.10.1 Extended ARM instruction set summary
- •1.10.2 Thumb instruction set summary
- •1.11 Product revisions
- •Programmer’s Model
- •2.1 About the programmer’s model
- •2.2.1 TrustZone model
- •2.2.2 How the Secure model works
- •2.2.3 TrustZone write access disable
- •2.2.4 Secure Monitor bus
- •2.3 Processor operating states
- •2.3.1 Switching state
- •2.3.2 Interworking ARM and Thumb state
- •2.4 Instruction length
- •2.5 Data types
- •2.6 Memory formats
- •2.7 Addresses in a processor system
- •2.8 Operating modes
- •2.9 Registers
- •2.9.1 The ARM state core register set
- •2.9.2 The Thumb state core register set
- •2.9.3 Accessing high registers in Thumb state
- •2.9.4 ARM state and Thumb state registers relationship
- •2.10 The program status registers
- •2.10.1 The condition code flags
- •2.10.2 The Q flag
- •2.10.4 The GE[3:0] bits
- •2.10.7 The control bits
- •2.10.8 Modification of PSR bits by MSR instructions
- •2.10.9 Reserved bits
- •2.11 Additional instructions
- •2.11.1 Load or Store Byte Exclusive
- •2.11.2 Load or Store Halfword Exclusive
- •2.11.3 Load or Store Doubleword
- •2.11.4 CLREX
- •2.12 Exceptions
- •2.12.1 New instructions for exception handling
- •2.12.2 Exception entry and exit summary
- •2.12.3 Entering an ARM exception
- •2.12.4 Leaving an ARM exception
- •2.12.5 Reset
- •2.12.6 Fast interrupt request
- •2.12.7 Interrupt request
- •2.12.8 Low interrupt latency configuration
- •2.12.9 Interrupt latency example
- •2.12.10 Aborts
- •2.12.11 Imprecise Data Abort mask in the CPSR/SPSR
- •2.12.12 Supervisor call instruction
- •2.12.13 Secure Monitor Call (SMC)
- •2.12.14 Undefined instruction
- •2.12.15 Breakpoint instruction (BKPT)
- •2.12.16 Exception vectors
- •2.12.17 Exception priorities
- •2.13 Software considerations
- •2.13.1 Branch Target Address Cache flush
- •2.13.2 Waiting for DMA to complete
- •System Control Coprocessor
- •3.1 About the system control coprocessor
- •3.1.1 System control coprocessor functional groups
- •3.1.2 System control and configuration
- •3.1.3 MMU control and configuration
- •3.1.4 Cache control and configuration
- •3.1.5 TCM control and configuration
- •3.1.6 Cache Master Valid Registers
- •3.1.7 DMA control
- •3.1.8 System performance monitor
- •3.1.9 System validation
- •3.1.10 Use of the system control coprocessor
- •3.2 System control processor registers
- •3.2.1 Register allocation
- •3.2.2 c0, Main ID Register
- •3.2.3 c0, Cache Type Register
- •3.2.4 c0, TCM Status Register
- •3.2.5 c0, TLB Type Register
- •3.2.6 c0, CPUID registers
- •3.2.7 c1, Control Register
- •3.2.8 c1, Auxiliary Control Register
- •3.2.9 c1, Coprocessor Access Control Register
- •3.2.10 c1, Secure Configuration Register
- •3.2.11 c1, Secure Debug Enable Register
- •3.2.13 c2, Translation Table Base Register 0
- •3.2.14 c2, Translation Table Base Register 1
- •3.2.15 c2, Translation Table Base Control Register
- •3.2.16 c3, Domain Access Control Register
- •3.2.17 c5, Data Fault Status Register
- •3.2.18 c5, Instruction Fault Status Register
- •3.2.19 c6, Fault Address Register
- •3.2.20 c6, Watchpoint Fault Address Register
- •3.2.21 c6, Instruction Fault Address Register
- •3.2.22 c7, Cache operations
- •3.2.23 c8, TLB Operations Register
- •3.2.24 c9, Data and instruction cache lockdown registers
- •3.2.25 c9, Data TCM Region Register
- •3.2.26 c9, Instruction TCM Region Register
- •3.2.29 c9, TCM Selection Register
- •3.2.30 c9, Cache Behavior Override Register
- •3.2.31 c10, TLB Lockdown Register
- •3.2.32 c10, Memory region remap registers
- •3.2.33 c11, DMA identification and status registers
- •3.2.34 c11, DMA User Accessibility Register
- •3.2.35 c11, DMA Channel Number Register
- •3.2.36 c11, DMA enable registers
- •3.2.37 c11, DMA Control Register
- •3.2.38 c11, DMA Internal Start Address Register
- •3.2.39 c11, DMA External Start Address Register
- •3.2.40 c11, DMA Internal End Address Register
- •3.2.41 c11, DMA Channel Status Register
- •3.2.42 c11, DMA Context ID Register
- •3.2.44 c12, Monitor Vector Base Address Register
- •3.2.45 c12, Interrupt Status Register
- •3.2.46 c13, FCSE PID Register
- •3.2.47 c13, Context ID Register
- •3.2.48 c13, Thread and process ID registers
- •3.2.49 c15, Peripheral Port Memory Remap Register
- •3.2.51 c15, Performance Monitor Control Register
- •3.2.52 c15, Cycle Counter Register
- •3.2.53 c15, Count Register 0
- •3.2.54 c15, Count Register 1
- •3.2.55 c15, System Validation Counter Register
- •3.2.56 c15, System Validation Operations Register
- •3.2.57 c15, System Validation Cache Size Mask Register
- •3.2.58 c15, Instruction Cache Master Valid Register
- •3.2.59 c15, Data Cache Master Valid Register
- •3.2.60 c15, TLB lockdown access registers
- •Unaligned and Mixed-endian Data Access Support
- •4.2 Unaligned access support
- •4.2.1 Legacy support
- •4.2.2 ARMv6 extensions
- •4.2.3 Legacy and ARMv6 configurations
- •4.2.4 Legacy data access in ARMv6 (U=0)
- •4.2.5 Support for unaligned data access in ARMv6 (U=1)
- •4.2.6 ARMv6 unaligned data access restrictions
- •4.3 Endian support
- •4.3.1 Load unsigned byte, endian independent
- •4.3.2 Load signed byte, endian independent
- •4.3.3 Store byte, endian independent
- •4.4 Operation of unaligned accesses
- •4.5.1 Legacy fixed instruction and data endianness
- •4.5.3 Reset values of the U, B, and EE bits
- •4.6.1 All load and store operations
- •4.7 Instructions to change the CPSR E bit
- •Program Flow Prediction
- •5.1 About program flow prediction
- •5.2 Branch prediction
- •5.2.1 Enabling program flow prediction
- •5.2.2 Dynamic branch predictor
- •5.2.3 Static branch predictor
- •5.2.4 Branch folding
- •5.2.5 Incorrect predictions and correction
- •5.3 Return stack
- •5.4 Memory Barriers
- •5.4.1 Instruction Memory Barriers (IMBs)
- •5.5.1 Execution of IMB instructions
- •Memory Management Unit
- •6.1 About the MMU
- •6.2 TLB organization
- •6.2.1 MicroTLB
- •6.2.2 Main TLB
- •6.2.3 TLB control operations
- •6.2.5 Supersections
- •6.3 Memory access sequence
- •6.3.1 TLB match process
- •6.3.2 Virtual to physical translation mapping restrictions
- •6.4 Enabling and disabling the MMU
- •6.4.1 Enabling the MMU
- •6.4.2 Disabling the MMU
- •6.4.3 Behavior with MMU disabled
- •6.5 Memory access control
- •6.5.1 Domains
- •6.5.2 Access permissions
- •6.5.3 Execute never bits in the TLB entry
- •6.6 Memory region attributes
- •6.6.1 C and B bit, and type extension field encodings
- •6.6.2 Shared
- •6.6.3 NS attribute
- •6.7 Memory attributes and types
- •6.7.1 Normal memory attribute
- •6.7.2 Device memory attribute
- •6.7.3 Strongly Ordered memory attribute
- •6.7.4 Ordering requirements for memory accesses
- •6.7.5 Explicit Memory Barriers
- •6.7.6 Backwards compatibility
- •6.8 MMU aborts
- •6.8.1 External aborts
- •6.9 MMU fault checking
- •6.9.1 Fault checking sequence
- •6.9.2 Alignment fault
- •6.9.3 Translation fault
- •6.9.4 Access bit fault
- •6.9.5 Domain fault
- •6.9.6 Permission fault
- •6.9.7 Debug event
- •6.10 Fault status and address
- •6.11 Hardware page table translation
- •6.11.2 ARMv6 page table translation subpage AP bits disabled
- •6.11.3 Restrictions on page table mappings page coloring
- •6.12 MMU descriptors
- •Level One Memory System
- •7.1 About the level one memory system
- •7.2 Cache organization
- •7.2.1 Features of the cache system
- •7.2.2 Cache functional description
- •7.2.3 Cache control operations
- •7.2.4 Cache miss handling
- •7.2.5 Cache disabled behavior
- •7.2.6 Unexpected hit behavior
- •7.3.1 TCM behavior
- •7.3.2 Restriction on page table mappings
- •7.3.3 Restriction on page table attributes
- •7.5 TCM and cache interactions
- •7.5.1 Overlapping between TCM regions
- •7.5.2 DMA and core access arbitration
- •7.5.3 Instruction accesses to TCM
- •7.5.4 Data accesses to the Instruction TCM
- •7.6 Write buffer
- •Level Two Interface
- •8.1 About the level two interface
- •8.1.1 AXI parameters for the level 2 interconnect interfaces
- •8.2 Synchronization primitives
- •8.2.3 Example of LDREX and STREX usage
- •8.3 AXI control signals in the processor
- •8.3.1 Channel definition
- •8.3.2 Signal name suffixes
- •8.3.3 Address channel signals
- •8.4 Instruction Fetch Interface transfers
- •8.4.1 Cacheable fetches
- •8.4.2 Noncacheable fetches
- •8.5 Data Read/Write Interface transfers
- •8.5.1 Linefills
- •8.5.2 Noncacheable LDRB
- •8.5.3 Noncacheable LDRH
- •8.5.4 Noncacheable LDR or LDM1
- •8.5.5 Noncacheable LDRD or LDM2
- •8.5.6 Noncacheable LDM3
- •8.5.7 Noncacheable LDM4
- •8.5.8 Noncacheable LDM5
- •8.5.9 Noncacheable LDM6
- •8.5.10 Noncacheable LDM7
- •8.5.11 Noncacheable LDM8
- •8.5.12 Noncacheable LDM9
- •8.5.13 Noncacheable LDM10
- •8.5.14 Noncacheable LDM11
- •8.5.15 Noncacheable LDM12
- •8.5.16 Noncacheable LDM13
- •8.5.17 Noncacheable LDM14
- •8.5.18 Noncacheable LDM15
- •8.5.19 Noncacheable LDM16
- •8.6 Peripheral Interface transfers
- •8.7 Endianness
- •8.8 Locked access
- •Clocking and Resets
- •9.1 About clocking and resets
- •9.2 Clocking and resets with no IEM
- •9.2.1 Processor clocking with no IEM
- •9.2.2 Reset with no IEM
- •9.3 Clocking and resets with IEM
- •9.3.1 Processor clocking with IEM
- •9.3.2 Reset with IEM
- •9.4 Reset modes
- •9.4.1 Power-on reset
- •9.4.2 CP14 debug logic
- •9.4.3 Processor reset
- •9.4.4 DBGTAP reset
- •9.4.5 Normal operation
- •Power Control
- •10.1 About power control
- •10.2 Power management
- •10.2.1 Run mode
- •10.2.2 Standby mode
- •10.2.3 Shutdown mode
- •10.2.4 Dormant mode
- •10.2.5 Communication to the Power Management Controller
- •10.3 Intelligent Energy Management
- •10.3.1 Purpose of IEM
- •10.3.2 Structure of IEM
- •10.3.3 Operation of IEM
- •Coprocessor Interface
- •11.1 About the coprocessor interface
- •11.2 Coprocessor pipeline
- •11.2.1 Coprocessor instructions
- •11.2.2 Coprocessor control
- •11.2.3 Pipeline synchronization
- •11.2.4 Pipeline control
- •11.2.5 Instruction tagging
- •11.2.6 Flush broadcast
- •11.3 Token queue management
- •11.3.1 Queue implementation
- •11.3.2 Queue modification
- •11.3.3 Queue flushing
- •11.4 Token queues
- •11.4.1 Instruction queue
- •11.4.2 Length queue
- •11.4.3 Accept queue
- •11.4.4 Cancel queue
- •11.4.5 Finish queue
- •11.5 Data transfer
- •11.5.1 Loads
- •11.5.2 Stores
- •11.6 Operations
- •11.6.1 Normal operation
- •11.6.2 Cancel operations
- •11.6.3 Bounce operations
- •11.6.4 Flush operations
- •11.6.5 Retirement operations
- •11.7 Multiple coprocessors
- •11.7.1 Interconnect considerations
- •11.7.2 Coprocessor selection
- •11.7.3 Coprocessor switching
- •Vectored Interrupt Controller Port
- •12.1 About the PL192 Vectored Interrupt Controller
- •12.2 About the processor VIC port
- •12.2.1 Synchronization of the VIC port signals
- •12.2.2 Interrupt handler exit
- •12.3 Timing of the VIC port
- •12.3.1 PL192 VIC timing
- •12.3.2 Core timing
- •12.4 Interrupt entry flowchart
- •Debug
- •13.1 Debug systems
- •13.1.1 The debug host
- •13.1.2 The protocol converter
- •13.1.3 The processor
- •13.2 About the debug unit
- •13.2.3 Secure Monitor mode and debug
- •13.2.4 Virtual addresses and debug
- •13.2.5 Programming the debug unit
- •13.3 Debug registers
- •13.3.1 Accessing debug registers
- •13.3.2 CP14 c0, Debug ID Register (DIDR)
- •13.3.3 CP14 c1, Debug Status and Control Register (DSCR)
- •13.3.4 CP14 c5, Data Transfer Registers (DTR)
- •13.3.5 CP14 c6, Watchpoint Fault Address Register (WFAR)
- •13.3.6 CP14 c7, Vector Catch Register (VCR)
- •13.3.10 CP14 c112-c113, Watchpoint Control Registers (WCR)
- •13.3.11 CP14 c10, Debug State Cache Control Register
- •13.3.12 CP14 c11, Debug State MMU Control Register
- •13.4 CP14 registers reset
- •13.5 CP14 debug instructions
- •13.5.1 Executing CP14 debug instructions
- •13.6 External debug interface
- •13.7 Changing the debug enable signals
- •13.8 Debug events
- •13.8.1 Software debug event
- •13.8.2 External debug request signal
- •13.8.3 Halt DBGTAP instruction
- •13.8.4 Behavior of the processor on debug events
- •13.8.5 Effect of a debug event on CP15 registers
- •13.9 Debug exception
- •13.10 Debug state
- •13.10.1 Behavior of the PC in Debug state
- •13.10.2 Interrupts
- •13.10.3 Exceptions
- •13.11 Debug communications channel
- •13.12 Debugging in a cached system
- •13.12.1 Data cache writes
- •13.13 Debugging in a system with TLBs
- •13.14 Monitor debug-mode debugging
- •13.14.1 Entering the debug monitor target
- •13.14.2 Setting breakpoints, watchpoints, and vector catch debug events
- •13.14.3 Setting software breakpoint debug events (BKPT)
- •13.14.4 Using the debug communications channel
- •13.15 Halting debug-mode debugging
- •13.15.1 Entering Debug state
- •13.15.2 Exiting Debug state
- •13.15.3 Programming debug events
- •13.16 External signals
- •Debug Test Access Port
- •14.1 Debug Test Access Port and Debug state
- •14.2 Synchronizing RealView ICE
- •14.3 Entering Debug state
- •14.4 Exiting Debug state
- •14.5 The DBGTAP port and debug registers
- •14.6 Debug registers
- •14.6.1 Bypass register
- •14.6.2 Device ID code register
- •14.6.3 Instruction register
- •14.6.4 Scan chain select register (SCREG)
- •14.6.5 Scan chains
- •14.6.6 Reset
- •14.7 Using the Debug Test Access Port
- •14.7.1 Entering and leaving Debug state
- •14.7.2 Executing instructions in Debug state
- •14.7.3 Using the ITRsel IR instruction
- •14.7.4 Transferring data between the host and the core
- •14.7.5 Using the debug communications channel
- •14.7.6 Target to host debug communications channel sequence
- •14.7.7 Host to target debug communications channel
- •14.7.8 Transferring data in Debug state
- •14.7.9 Example sequences
- •14.8 Debug sequences
- •14.8.1 Debug macros
- •14.8.2 General setup
- •14.8.3 Forcing the processor to halt
- •14.8.4 Entering Debug state
- •14.8.5 Leaving Debug state
- •14.8.8 Reading the CPSR/SPSR
- •14.8.9 Writing the CPSR/SPSR
- •14.8.10 Reading the PC
- •14.8.11 Writing the PC
- •14.8.12 General notes about reading and writing memory
- •14.8.13 Reading memory as words
- •14.8.14 Writing memory as words
- •14.8.15 Reading memory as halfwords or bytes
- •14.8.16 Writing memory as halfwords/bytes
- •14.8.17 Coprocessor register reads and writes
- •14.8.18 Reading coprocessor registers
- •14.8.19 Writing coprocessor registers
- •14.9 Programming debug events
- •14.9.1 Reading registers using scan chain 7
- •14.9.2 Writing registers using scan chain 7
- •14.9.3 Setting breakpoints, watchpoints and vector traps
- •14.9.4 Setting software breakpoints
- •14.10 Monitor debug-mode debugging
- •14.10.1 Receiving data from the core
- •14.10.2 Sending data to the core
- •Trace Interface Port
- •15.1 About the ETM interface
- •15.1.1 Instruction interface
- •15.1.2 Secure control bus
- •15.1.3 Data address interface
- •15.1.4 Data value interface
- •15.1.5 Pipeline advance interface
- •15.1.6 Coprocessor interface
- •15.1.7 Other connections to the core
- •Cycle Timings and Interlock Behavior
- •16.1 About cycle timings and interlock behavior
- •16.1.1 Changes in instruction flow overview
- •16.1.2 Instruction execution overview
- •16.1.3 Conditional instructions
- •16.1.4 Opposite condition code checks
- •16.1.5 Definition of terms
- •16.2 Register interlock examples
- •16.3 Data processing instructions
- •16.3.1 Cycle counts if destination is not PC
- •16.3.2 Cycle counts if destination is the PC
- •16.3.3 Example interlocks
- •16.4 QADD, QDADD, QSUB, and QDSUB instructions
- •16.6 ARMv6 Sum of Absolute Differences (SAD)
- •16.6.1 Example interlocks
- •16.7 Multiplies
- •16.8 Branches
- •16.9 Processor state updating instructions
- •16.10 Single load and store instructions
- •16.10.1 Base register update
- •16.11 Load and Store Double instructions
- •16.12 Load and Store Multiple Instructions
- •16.12.1 Load and Store Multiples, other than load multiples including the PC
- •16.12.2 Load Multiples, where the PC is in the register list
- •16.12.3 Example Interlocks
- •16.13 RFE and SRS instructions
- •16.14 Synchronization instructions
- •16.15 Coprocessor instructions
- •16.16 SVC, SMC, BKPT, Undefined, and Prefetch Aborted instructions
- •16.17 No operation
- •16.18 Thumb instructions
- •AC Characteristics
- •17.1 Processor timing diagrams
- •17.2 Processor timing parameters
- •Signal Descriptions
- •A.1 Global signals
- •A.2 Static configuration signals
- •A.3 TrustZone internal signals
- •A.4 Interrupt signals, including VIC interface
- •A.5 AXI interface signals
- •A.5.1 Instruction read port signals
- •A.5.2 Data port signals
- •A.5.3 Peripheral port signals
- •A.5.4 DMA port signals
- •A.6 Coprocessor interface signals
- •A.7 Debug interface signals, including JTAG
- •A.8 ETM interface signals
- •A.9 Test signals
- •B.1 About the differences between the ARM1136J-S and ARM1176JZ-S processors
- •B.2 Summary of differences
- •B.2.1 TrustZone
- •B.2.2 ARMv6k extensions support
- •B.2.3 Power management
- •B.2.4 SmartCache
- •B.2.7 Tightly-Coupled Memories
- •B.2.8 Fault Address Register
- •B.2.9 Fault Status Register
- •B.2.10 Prefetch Unit
- •B.2.11 System control coprocessor operations
- •B.2.13 Debug
- •B.2.14 Level two interface
- •B.2.15 Memory BIST
- •Revisions
- •Glossary
Level Two Interface
8.5.12Noncacheable LDM9
A Noncacheable LDM9 is split into two operations as shown in Table 8-35.
Table 8-35 Noncacheable LDM9
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDR from 0x00
0x04, word 1 LDM7 from 0x04 + LDM2 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM3 from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM4 from 0x00
0x10, word 4 LDM4 from 0x10 + LDM5 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM6 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM7 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00
8.5.13Noncacheable LDM10
A Noncacheable LDM10 is split into two or three operations as shown in Table 8-36.
Table 8-36 Noncacheable LDM10
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDM2 from 0x00
0x04, word 1 LDM7 from 0x04 + LDM3 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM4 from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM5 from 0x00
0x10, word 4 LDM4 from 0x10 + LDM6 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM7 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDR from 0x00
8.5.14Noncacheable LDM11
A Noncacheable LDM11 is split into two or three operations as shown in Table 8-37.
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Table 8-37 Noncacheable LDM11 |
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Address[4:0] |
Operations |
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0x00, word 0 |
LDM8 from 0x00 + LDM3 from 0x00 |
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0x04, word 1 |
LDM7 from 0x04 + LDM4 from 0x00 |
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0x08, word 2 |
LDM6 from 0x08 + LDM5 from 0x00 |
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0x0C, word 3 |
LDM5 from 0x0C + LDM6 from 0x00 |
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ARM DDI 0333H |
Copyright © 2004-2009 ARM Limited. All rights reserved. |
8-23 |
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ID012410 |
Non-Confidential, Unrestricted Access |
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Level Two Interface
Table 8-37 Noncacheable LDM11 (continued)
Address[4:0] Operations
0x10, word 4 LDM4 from 0x10 + LDM7 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM8 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00 + LDR from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDM2 from 0x00
8.5.15Noncacheable LDM12
A Noncacheable LDM12 is split into two or three operations as shown in Table 8-38.
Table 8-38 Noncacheable LDM12
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDM4 from 0x00
0x04, word 1 LDM7 from 0x04 + LDM5 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM6 from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM7 from 0x00
0x10, word 4 LDM4 from 0x10 + LDM8 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM8 from 0x00 + LDR from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00 + LDM2 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDM3 from 0x00
8.5.16Noncacheable LDM13
A Noncacheable LDM13 is split into two or three operations as shown in Table 8-39.
Table 8-39 Noncacheable LDM13
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDM5 from 0x00
0x04, word 1 LDM7 from 0x04 + LDM6 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM7 from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM8 from 0x00
0x10, word 4 LDM4 from 0x10 + LDM8 from 0x00 + LDR from 0x00
0x14, word 5 LDM3 from 0x14 + LDM8 from 0x00 + LDM2 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00 + LDM3 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDM4 from 0x00
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8.5.17Noncacheable LDM14
A Noncacheable LDM14 is split into two or three operations as shown in Table 8-40.
Table 8-40 Noncacheable LDM14
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDM6 from 0x00
0x04, word 1 LDM7 from 0x04 + LDM7 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM8 from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM8 from 0x00 + LDR from 0x00
0x10, word 4 LDM4 from 0x10 + LDM8 from 0x00 + LDM2 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM8 from 0x00 + LDM3 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00 + LDM4 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDM5 from 0x00
8.5.18Noncacheable LDM15
A Noncacheable LDM15 is split into two or three operations as shown in Table 8-41.
Table 8-41 Noncacheable LDM15
Address[4:0] Operations
0x00, word 0 LDM8 from 0x00 + LDM7 from 0x00
0x04, word 1 LDM7 from 0x04 + LDM8 from 0x00
0x08, word 2 LDM6 from 0x08 + LDM8 from 0x00 + LDR from 0x00
0x0C, word 3 LDM5 from 0x0C + LDM8 from 0x00 + LDM2 from 0x00
0x10, word 4 LDM4 from 0x10 + LDM8 from 0x00 + LDM3 from 0x00
0x14, word 5 LDM3 from 0x14 + LDM8 from 0x00 + LDM4 from 0x00
0x18, word 6 LDM2 from 0x18 + LDM8 from 0x00 + LDM5 from 0x00
0x1C, word 7 LDR from 0x1C + LDM8 from 0x00 + LDM6 from 0x00
8.5.19Noncacheable LDM16
A Noncacheable LDM16 is split into two or three operations as shown in Table 8-41.
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Table 8-42 Noncacheable LDM16 |
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Address[4:0] |
Operations |
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0x00, word 0 |
LDM8 from 0x00 + LDM8 from 0x00 |
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0x04, word 1 |
LDM7 from 0x04 + LDM8 from 0x00 + LDR from 0x00 |
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0x08, word 2 |
LDM6 from 0x08 + LDM8 from 0x00 + LDM2 from 0x00 |
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0x0C, word 3 |
LDM5 from 0x0C + LDM8 from 0x00 + LDM3 from 0x00 |
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Level Two Interface |
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Table 8-42 Noncacheable LDM16 (continued) |
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Address[4:0] |
Operations |
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0x10, word 4 |
LDM4 from 0x10 + LDM8 from 0x00 + LDM4 from 0x00 |
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0x14, word 5 |
LDM3 from 0x14 + LDM8 from 0x00 + LDM5 from 0x00 |
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0x18, word 6 |
LDM2 from 0x18 + LDM8 from 0x00 + LDM6 from 0x00 |
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0x1C, word 7 |
LDR from 0x1C + LDM8 from 0x00 + LDM7 from 0x00 |
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8.5.20Half-line Write-Back
Table 8-43 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for half-line Write-Backs over the Data Read/Write Interface.
Table 8-43 Half-line Write-Back
Write |
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address |
Description |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
[4:0] |
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0x00-0x07 |
Evicted cache line valid |
0x00 |
Incr |
64-bit |
2 data transfers |
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and lower half dirty |
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Evicted cache line valid |
0x10 |
Incr |
64-bit |
2 data transfers |
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and upper half dirty |
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0x08-0x0F |
Evicted cache line valid |
0x08 |
Wrap |
64-bit |
2 data transfers |
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and lower half dirty |
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Evicted cache line valid |
0x10 |
Incr |
64-bit |
2 data transfers |
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and upper half dirty |
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0x10-0x17 |
Evicted cache line valid |
0x00 |
Incr |
64-bit |
2 data transfers |
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and lower half dirty |
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Evicted cache line valid |
0x10 |
Incr |
64-bit |
2 data transfers |
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and upper half dirty |
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0x18-0x1F |
Evicted cache line valid |
0x00 |
Incr |
64-bit |
2 data transfers |
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and lower half dirty |
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Evicted cache line valid |
0x18 |
Wrap |
64-bit |
2 data transfers |
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and upper half dirty |
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8.5.21Full-line Write-Back
Table 8-44 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and AWLENRW for full-line Write-Backs, evicted cache line valid and both halves dirty, over the
Data Read/Write Interface.
Table 8-44 Full-line Write-Back
Write address [4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
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0x00-0x07 |
0x00 |
Incr |
64-bit |
4 data transfers |
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Level Two Interface |
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Table 8-44 Full-line Write-Back (continued) |
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Write address [4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
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0x08-0x0F |
0x08 |
Wrap |
64-bit |
4 data transfers |
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0x10-0x17 |
0x10 |
Wrap |
64-bit |
4 data transfers |
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0x18-0x1F |
0x18 |
Wrap |
64-bit |
4 data transfers |
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8.5.22Cacheable Write-Through or Noncacheable STRB
Table 8-45 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STRBs over the Data Read/Write Interface.
Table 8-45 Cacheable Write-Through or Noncacheable STRB
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
WSTRBRW |
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0x00, byte 0 |
0x00 |
Incr |
8-bit |
1 data transfer |
b0000 0001 |
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0x01, byte 1 |
0x01 |
Incr |
8-bit |
1 data transfer |
b0000 0010 |
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0x02, byte 2 |
0x02 |
Incr |
8-bit |
1 data transfer |
b0000 0100 |
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0x03, byte 3 |
0x03 |
Incr |
8-bit |
1 data transfer |
b0000 1000 |
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0x04, byte 4 |
0x04 |
Incr |
8-bit |
1 data transfer |
b0001 0000 |
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0x05, byte 5 |
0x05 |
Incr |
8-bit |
1 data transfer |
b0010 0000 |
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0x06, byte 6 |
0x06 |
Incr |
8-bit |
1 data transfer |
b0100 0000 |
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0x07, byte 7 |
0x07 |
Incr |
8-bit |
1 data transfer |
b1000 0000 |
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8.5.23Cacheable Write-Through or Noncacheable STRH
Table 8-46 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STRHs over the Data Read/Write Interface.
Table 8-46 Cacheable Write-Through or Noncacheable STRH
|
Address[4:0] AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
WSTRBRW |
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0x00, byte 0 |
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0x00 |
Incr |
16-bit |
1 data transfer |
b0000 0011 |
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0x01, byte 1 |
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0x01 |
Incr |
32-bit |
1 data transfer |
b0000 0110 |
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0x02, byte 2 |
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0x02 |
Incr |
16-bit |
1 data transfer |
b0000 1100 |
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0x03, byte 3 |
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0x03 |
Incr |
8-bit |
1 data transfer |
b0000 1000 |
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0x04 |
Incr |
8-bit |
1 data transfer |
b0001 0000 |
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0x04, byte 4 |
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0x04 |
Incr |
16-bit |
1 data transfer |
b0011 0000 |
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0x05, byte 5 |
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0x05 |
Incr |
32-bit |
1 data transfer |
b0110 0000 |
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0x06, byte 6 |
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0x06 |
Incr |
16-bit |
1 data transfer |
b1100 0000 |
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0x07, byte 7 |
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0x07 |
Incr |
8-bit |
1 data transfer |
b1000 0000 |
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0x08 |
Incr |
8-bit |
1 data transfer |
b0000 0001 |
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8.5.24Cacheable Write-Through or Noncacheable STR or STM1
Table 8-47 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STRs or STM1s over the Data Read/Write Interface.
Table 8-47 Cacheable Write-Through or Noncacheable STR or STM1
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
WSTRBRW |
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0x00, byte 0, |
0x00 |
Incr |
32-bit |
1 data transfer |
b0000 1111 |
word 0 |
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0x01, byte 1 |
0x00 |
Incr |
32-bit |
1 data transfer |
b0000 1110 |
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0x04 |
Incr |
8-bit |
1 data transfer |
b0001 0000 |
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0x02, byte 2 |
0x02 |
Incr |
16-bit |
1 data transfer |
b0000 1100 |
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0x04 |
Incr |
16-bit |
1 data transfer |
b0011 0000 |
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0x03, byte 3 |
0x03 |
Incr |
8-bit |
1 data transfer |
b0000 1000 |
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0x04 |
Incr |
32-bit |
1 data transfer |
b0111 0000 |
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0x04, byte 4, |
0x04 |
Incr |
32-bit |
1 data transfer |
b1111 0000 |
word 1 |
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0x05, byte 5 |
0x04 |
Incr |
32-bit |
1 data transfer |
b1110 0000 |
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0x08 |
Incr |
8-bit |
1 data transfer |
b0000 0001 |
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0x06, byte 6 |
0x06 |
Incr |
16-bit |
1 data transfer |
b1100 0000 |
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0x08 |
Incr |
16-bit |
1 data transfer |
b0000 0011 |
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0x07, byte 7 |
0x07 |
Incr |
8-bit |
1 data transfer |
b1000 0000 |
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0x08 |
Incr |
32-bit |
1 data transfer |
b0000 0111 |
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0x08, byte 8, |
0x08 |
Incr |
32-bit |
1 data transfer |
b0000 1111 |
word 2 |
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0x0C, word 3 |
0x0C |
Incr |
32-bit |
1 data transfer |
b1111 0000 |
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0x10, word 4 |
0x10 |
Incr |
32-bit |
1 data transfer |
b0000 1111 |
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0x14, word 5 |
0x14 |
Incr |
32-bit |
1 data transfer |
b1111 0000 |
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0x18, word 6 |
0x18 |
Incr |
32-bit |
1 data transfer |
b0000 1111 |
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0x1C, word 7 |
0x1C |
Incr |
32-bit |
1 data transfer |
b1111 0000 |
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8.5.25Cacheable Write-Through or Noncacheable STRD or STM2
Table 8-48 on page 8-30 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and AWLENRW for STM2s to words 0 to 6 over the Data Read/Write Interface.
An STM2 to word 7 is split into two operations as shown in Table 8-49 on page 8-30.
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Table 8-48 Cacheable Write-Through or Noncacheable STRD or STM2 to words 0, 1, 2, 3, 4, 5, or 6
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
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0x00, word 0 |
0x00 |
Incr |
64-bit |
1 data transfer |
b1111 1111 |
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0x04, word 1 |
0x04 |
Incr |
32-bit |
2 data transfers |
b1111 0000 |
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0x08, word 2 |
0x08 |
Incr |
64-bit |
1 data transfer |
b1111 1111 |
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0x0C, word 3 |
0x0C |
Incr |
32-bit |
2 data transfers |
b1111 0000 |
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0x10, word 4 |
0x10 |
Incr |
64-bit |
1 data transfer |
b1111 1111 |
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0x14, word 5 |
0x14 |
Incr |
32-bit |
2 data transfers |
b1111 0000 |
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0x18, word 6 |
0x18 |
Incr |
64-bit |
1 data transfer |
b1111 1111 |
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Table 8-49 Cacheable Write-Through or Noncacheable STM2 to word 7
Address[4:0] |
Operations |
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|
0x1C |
STR to 0x1C + STR to 0x00 |
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|
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8.5.26Cacheable Write-Through or Noncacheable STM3
Table 8-50 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STM3s to words 0 to 5 over the Data Read/Write Interface.
An STM3 to word 6 or 7 is split into two operations as shown in Table 8-51.
Table 8-50 Cacheable Write-Through or Noncacheable STM3 to words 0, 1, 2, 3, 4, or 5
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
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0x00, word 0 |
0x00 |
Incr |
32-bit |
3 data transfers |
b0000 1111 |
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0x04, word 1 |
0x04 |
Incr |
32-bit |
3 data transfers |
b1111 0000 |
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0x08, word 2 |
0x08 |
Incr |
32-bit |
3 data transfers |
b0000 1111 |
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0x0C, word 3 |
0x0C |
Incr |
32-bit |
3 data transfers |
b1111 0000 |
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0x10, word 4 |
0x10 |
Incr |
32-bit |
3 data transfers |
b0000 1111 |
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0x14, word 5 |
0x14 |
Incr |
32-bit |
3 data transfers |
b1111 0000 |
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Table 8-51 Cacheable Write-Through or Noncacheable STM3 to words 6 or 7
Address[4:0] Operations
0x18, word 6 STM2 to 0x18 + STR to 0x00
0x1C, word 7 STR to 0x1C + STM2 to 0x00
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8.5.27Cacheable Write-Through or Noncacheable STM4
Table 8-52 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STM4s to words 0 to 4 over the Data Read/Write Interface.
An STM4 to words 5 to 7 is split into two operations as shown in Table 8-53.
Table 8-52 Cacheable Write-Through or Noncacheable STM4 to word 0, 1, 2, 3, or 4
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
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0x00, word 0 |
0x00 |
Incr |
64-bit |
2 data transfers |
b1111 1111 |
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0x04, word 1 |
0x04 |
Incr |
32-bit |
4 data transfers |
b11110000 |
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0x08, word 2 |
0x08 |
Incr |
64-bit |
2 data transfers |
b11111111 |
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0x0C, word 3 |
0x0C |
Incr |
32-bit |
4 data transfers |
b11110000 |
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0x10, word 4 |
0x10 |
Incr |
64-bit |
2 data transfers |
b11111111 |
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Table 8-53 Cacheable Write-Through or Noncacheable STM4 to word 5, 6, or 7
Address[4:0] |
Operations |
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|
0x14, word 5 |
STM3 to 0x14 |
+ STR to 0x00 |
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|
0x18, word 6 |
STM2 to 0x18 |
+ STM2 to 0x00 |
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|
0x1C, word 7 |
STR to 0x1C + STM3 to 0x00 |
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|
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8.5.28Cacheable Write-Through or Noncacheable STM5
Table 8-54 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STM5s to words 0 to 3 over the Data Read/Write Interface.
An STM5 to words 4 to 7 is split into two operations as shown in Table 8-55.
Table 8-54 Cacheable Write-Through or Noncacheable STM5 to word 0, 1, 2, or 3
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
|
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|
|
0x00, word 0 |
0x00 |
Incr |
32-bit |
5 data transfers |
b0000 1111 |
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|
|
0x04, word 1 |
0x04 |
Incr |
32-bit |
5 data transfers |
b1111 0000 |
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|
0x08, word 2 |
0x08 |
Incr |
32-bit |
5 data transfers |
b0000 1111 |
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|
0x0C, word 3 |
0x0C |
Incr |
32-bit |
5 data transfers |
b1111 0000 |
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Table 8-55 Cacheable Write-Through or Noncacheable STM5 to word 4, 5, 6, or 7
Address[4:0] |
Operations |
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0x10, word 4 |
STM4 to 0x10 |
+ STR to 0x00 |
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0x14, word 5 |
STM3 to 0x14 |
+ STM2 to 0x00 |
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0x18, word 6 |
STM2 to 0x18 |
+ STM3 to 0x00 |
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0x1C, word 7 |
STR to 0x1C + STM4 to 0x00 |
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Level Two Interface
8.5.29Cacheable Write-Through or Noncacheable STM6
Table 8-56 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STM6s to words 0 to 2 over the Data Read/Write Interface.
An STM6 to words 3 to 7 is split into two operations as shown in Table 8-57.
Table 8-56 Cacheable Write-Through or Noncacheable STM6 to word 0, 1, or 2
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
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0x00, word 0 |
0x00 |
Incr |
64-bit |
3 data transfers |
b1111 1111 |
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0x04, word 1 |
0x04 |
Incr |
32-bit |
6 data transfers |
b1111 0000 |
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0x08, word 2 |
0x08 |
Incr |
64-bit |
3 data transfers |
b1111 1111 |
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Table 8-57 Cacheable Write-Through or Noncacheable STM6 to word 3, 4, 5, 6, or 7
Address[4:0] |
Operations |
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0x0C, word 3 |
STM5 to 0x0C + STR to 0x00 |
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0x10, word 4 |
STM4 to 0x10 + STM2 to 0x00 |
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0x14, word 5 |
STM3 to 0x14 + STM3 to 0x00 |
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0x18, word 6 |
STM2 to 0x18 + STM4 to 0x00 |
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0x1C, word 7 |
STR to 0x1C + STM5 to 0x00 |
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|
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Level Two Interface
8.5.30Cacheable Write-Through or Noncacheable STM7
Table 8-58 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for STM7s to words 0 or 1 over the Data Read/Write Interface.
An STM7 to words 2 to 7 is split into two operations as shown in Table 8-59.
Table 8-58 Cacheable Write-Through or Noncacheable STM7 to word 0 or 1
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
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0x00, word 0 |
0x00 |
Incr |
32-bit |
7 data transfers |
b0000 1111 |
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0x04, word 1 |
0x04 |
Incr |
32-bit |
7 data transfers |
b1111 0000 |
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Table 8-59 Cacheable Write-Through or Noncacheable STM7 to word 2, 3, 4, 5, 6 or 7
Address[4:0] |
Operations |
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0x08, word 2 |
STM6 to 0x08 + STR to 0x00 |
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0x0C, word 3 |
STM5 to 0x0C + STM2 to 0x00 |
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0x10, word 4 |
STM4 to 0x10 + STM3 to 0x00 |
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0x14, word 5 |
STM3 to 0x14 + STM4 to 0x00 |
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0x18, word 6 |
STM2 to 0x18 + STM5 to 0x00 |
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0x1C, word 7 |
STR to 0x1C + STM6 to 0x00 |
|
|
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Level Two Interface
8.5.31Cacheable Write-Through or Noncacheable STM8
Table 8-60 shows the values of AWADDRRW, AWBURSTRW, AWSIZERW, and
AWLENRW for an STM8 to word 0 over the Data Read/Write Interface.
An STM8 to words 1 to 7 is split into two operations as shown in Table 8-61.
Table 8-60 Cacheable Write-Through or Noncacheable STM8 to word 0
Address[4:0] |
AWADDRRW |
AWBURSTRW |
AWSIZERW |
AWLENRW |
First WSTRBRW |
||
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0x00, word 0 |
0x00 |
Incr |
64-bit |
4 data transfers |
b1111 1111 |
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Table 8-61 Cacheable Write-Through or Noncacheable STM8 to word 1, 2, 3, 4, 5, 6, or 7 |
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Address[4:0] |
Operations |
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0x04, word 1 |
STM7 to 0x04 + STR to 0x00 |
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0x08, word 2 |
STM6 to 0x08 + STM2 to 0x00 |
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0x0C, word 3 |
STM5 to 0x0C + STM3 to 0x00 |
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0x10, word 4 |
STM4 to 0x10 + STM4 to 0x00 |
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0x14, word 5 |
STM3 to 0x14 + STM5 to 0x00 |
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0x18, word 6 |
STM2 to 0x18 + STM6 to 0x00 |
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0x1C, word 7 |
STR to 0x1C + STM7 to 0x00 |
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Level Two Interface
8.5.32Cacheable Write-Through or Noncacheable STM9
An STM9 over the Data Read/Write Interface is split into two operations as shown in
Table 8-62.
Table 8-62 Cacheable Write-Through or Noncacheable STM9
Address[4:0] |
Operations |
|
|
0x00, word 0 |
STM8 to 0x00 + STR to 0x00 |
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0x04, word 1 |
STM7 to 0x04 + STM2 to 0x00 |
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0x08, word 2 |
STM6 to 0x08 + STM3 to 0x00 |
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0x0C, word 3 |
STM5 to 0x0C + STM4 to 0x00 |
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0x10, word 4 |
STM4 to 0x10 + STM5 to 0x00 |
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0x14, word 5 |
STM3 to 0x14 + STM6 to 0x00 |
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0x18, word 6 |
STM2 to 0x18 + STM7 to 0x00 |
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0x1C, word 7 |
STR to 0x1C + STM8 to 0x00 |
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8.5.33Cacheable Write-Through or Noncacheable STM10
An STM10 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-63.
Table 8-63 Cacheable Write-Through or Noncacheable STM10
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM2 to 0x00
0x04, word 1 STM7 to 0x04 + STM3 to 0x00
0x08, word 2 STM6 to 0x08 + STM4 to 0x00
0x0C, word 3 STM5 to 0x0C + STM5 to 0x00
0x10, word 4 STM4 to 0x10 + STM6 to 0x00
0x14, word 5 STM3 to 0x14 + STM7 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STR to 0x00
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Level Two Interface
8.5.34Cacheable Write-Through or Noncacheable STM11
An STM11 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-64.
Table 8-64 Cacheable Write-Through or Noncacheable STM11
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM3 to 0x00
0x04, word 1 STM7 to 0x04 + STM4 to 0x00
0x08, word 2 STM6 to 0x08 + STM5 to 0x00
0x0C, word 3 STM5 to 0x0C + STM6 to 0x00
0x10, word 4 STM4 to 0x10 + STM7 to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STR to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM2 to 0x00
8.5.35Cacheable Write-Through or Noncacheable STM12
An STM12 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-65.
Table 8-65 Cacheable Write-Through or Noncacheable STM12
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM4 to 0x00
0x04, word 1 STM7 to 0x04 + STM5 to 0x00
0x08, word 2 STM6 to 0x08 + STM6 to 0x00
0x0C, word 3 STM5 to 0x0C + STM7 to 0x00
0x10, word 4 STM4 to 0x10 + STM8 to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00 + STR to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STM2 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM3 to 0x00
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Level Two Interface
8.5.36Cacheable Write-Through or Noncacheable STM13
An STM13 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-66.
Table 8-66 Cacheable Write-Through or Noncacheable STM13
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM5 to 0x00
0x04, word 1 STM7 to 0x04 + STM6 to 0x00
0x08, word 2 STM6 to 0x08 + STM7 to 0x00
0x0C, word 3 STM5 to 0x0C + STM8 to 0x00
0x10, word 4 STM4 to 0x10 + STM8 to 0x00 + STR to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00 + STM2 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STM3 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM4 to 0x00
8.5.37Cacheable Write-Through or Noncacheable STM14
An STM14 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-67.
Table 8-67 Cacheable Write-Through or Noncacheable STM14
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM6 to 0x00
0x04, word 1 STM7 to 0x04 + STM7 to 0x00
0x08, word 2 STM6 to 0x08 + STM8 to 0x00
0x0C, word 3 STM5 to 0x0C + STM8 to 0x00 + STR to 0x00
0x10, word 4 STM4 to 0x10 + STM8 to 0x00 + STM2 to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00 + STM3 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STM4 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM5 to 0x00
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Level Two Interface
8.5.38Cacheable Write-Through or Noncacheable STM15
An STM15 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-68.
Table 8-68 Cacheable Write-Through or Noncacheable STM15
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM7 to 0x00
0x04, word 1 STM7 to 0x04 + STM8 to 0x00
0x08, word 2 STM6 to 0x08 + STM8 to 0x00 + STR to 0x00
0x0C, word 3 STM5 to 0x0C + STM8 to 0x00 + STM2 to 0x00
0x10, word 4 STM4 to 0x10 + STM8 to 0x00 + STM3 to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00 + STM4 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STM5 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM6 to 0x00
8.5.39Cacheable Write-Through or Noncacheable STM16
An STM15 over the Data Read/Write Interface is split into two or three operations as shown in Table 8-69.
Table 8-69 Cacheable Write-Through or Noncacheable STM16
Address[4:0] Operations
0x00, word 0 STM8 to 0x00 + STM8 to 0x00
0x04, word 1 STM7 to 0x04 + STM8 to 0x00 + STR to 0x00
0x08, word 2 STM6 to 0x08 + STM8 to 0x00 + STM2 to 0x00
0x0C, word 3 STM5 to 0x0C + STM8 to 0x00 + STM3 to 0x00
0x10, word 4 STM4 to 0x10 + STM8 to 0x00 + STM4 to 0x00
0x14, word 5 STM3 to 0x14 + STM8 to 0x00 + STM5 to 0x00
0x18, word 6 STM2 to 0x18 + STM8 to 0x00 + STM6 to 0x00
0x1C, word 7 STR to 0x1C + STM8 to 0x00 + STM7 to 0x00
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