MIPS R4000 Microprocessor User's Manual xxv
Table of Contents
No-Secondary-Cache Mode ...........................................................................326
Uncached Loads or Stores ..................................................................................326
CACHE Operations.............................................................................................327
Load Linked Store Conditional Operation.......................................................327
Processor and External Request Protocols............................................................329
Processor Request Protocols...............................................................................330
Processor Read Request Protocol.................................................................. 330
Processor Write Request Protocol.................................................................333
Processor Invalidate and Update Request Protocol ................................... 335
Processor Null Write Request Protocol........................................................ 336
Processor Cluster Request Protocol .............................................................. 337
Processor Request and Cluster Flow Control..............................................338
External Request Protocols.................................................................................341
External Arbitration Protocol.........................................................................342
External Read Request Protocol ....................................................................343
External Null Request Protocol .....................................................................344
External Write Request Protocol ...................................................................347
External Invalidate and Update Request Protocols....................................348
External Intervention Request Protocol .......................................................349
External Snoop Request Protocol..................................................................352
Read Response Protocol..................................................................................354
Data Rate Control.....................................................................................................356
Data Transfer Patterns.........................................................................................356
Secondary Cache Transfers ................................................................................357
Secondary Cache Write Cycle Time.................................................................. 358
Independent Transmissions on the SysAD Bus ..............................................359
System Interface Endianness.............................................................................. 360
System Interface Cycle Time...................................................................................361
Cluster Request Spacing ..................................................................................... 361
Release Latency....................................................................................................362
External Request Response Latency.................................................................. 363
System Interface Commands and Data Identifiers.............................................. 364
Command and Data Identifier Syntax..............................................................364
System Interface Command Syntax ..................................................................365
Read Requests .................................................................................................. 366
Write Requests .................................................................................................367
Null Requests ...................................................................................................369
Invalidate Requests .........................................................................................370
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