Hitachi SH7750 series Manuals

21

Table of Contents

43

Table of Contents

• 51

  Overview
• 51

  SH7750 Series (SH7750, SH7750S, SH7750R) Features
• 53

  Table 1.1 SH7750 Series Features
• 59

  Block Diagram
• 59

  Figure 1.1 Block Diagram of SH7750 Series Functions
• 60

  Figure 1.2 Pin Arrangement (256-Pin BGA)
• 60

  Pin Arrangement
• 61

  Figure 1.3 Pin Arrangement (208-Pin QFP)
• 62

  Figure 1.4 Pin Arrangement (264-Pin CSP)
• 63

  Pin Functions
  • 63

    Pin Functions (256-Pin BGA)
  • 63

    Table 1.2 Pin Functions
  • 73

    Pin Functions (208-Pin QFP)
  • 73

    Table 1.3 Pin Functions
  • 81

    Pin Functions (264-Pin CSP)
  • 81

    Table 1.4 Pin Functions
• 91

  Data Formats
• 91

  Programming Model
• 92

  Register Configuration
  • 92

    Privileged Mode and Banks
  • 93

    Table 2.1 Initial Register Values
    • 94

      Appendix H Power-On and Power-Off Procedures
    • 94

      Appendix Iproduct Code Lineup
• 94

  Figure 2.2 CPU Register Configuration in Each Processor Mode
  • 95

    General Registers
  • 96

    Figure 2.3 General Registers
  • 97

    Floating-Point Registers
  • 98

    Figure 2.4 Floating-Point Registers
  • 99

    Control Registers
  • 100

    System Registers
• 94

  Index
• 102

  Memory-Mapped Registers
• 103

  Data Format in Registers
• 103

  Data Formats in Memory
• 103

  Figure 2.1 Data Formats
• 103

  Figure 2.5 Data Formats in Memory
• 104

  Processor States
• 105

  Figure 2.6 Processor State Transitions
• 105

  Processor Modes
• 107

  Memory Management Unit (MMU)
• 107

  Overview
  • 107

    Features
  • 107

    Role of the MMU
  • 109

    Figure 3.1 Role of the MMU
  • 110

    Register Configuration
  • 110

    Caution
  • 110

    Table 3.1 MMU Registers
• 111

  Figure 3.2 Mmu-Related Registers
• 111

  Register Descriptions
• 114

  Address Space
  • 114

    Physical Address Space
  • 115

    Figure 3.3 Physical Address Space (MMUCR.AT = 0)
  • 116

    Figure 3.4 P4 Area
  • 117

    External Memory Space
  • 117

    Figure 3.5 External Memory Space
  • 118

    Virtual Address Space
  • 118

    Figure 3.6 Virtual Address Space (MMUCR.AT = 1)
  • 119

    On-Chip RAM Space
  • 119

    Address Translation
  • 120

    Single Virtual Memory Mode and Multiple Virtual Memory Mode
  • 120

    Address Space Identifier (ASID)
• 121

  TLB Functions
  • 121

    Unified TLB (UTLB) Configuration
  • 121

    Figure 3.7 UTLB Configuration
  • 122

    Figure 3.8 Relationship Between Page Size and Address Format
  • 125

    Instruction TLB (ITLB) Configuration
  • 125

    Address Translation Method
  • 125

    Figure 3.9 ITLB Configuration
  • 126

    Figure 3.10 Flowchart of Memory Access Using UTLB
  • 127

    Figure 3.11 Flowchart of Memory Access Using ITLB
• 128

  MMU Functions
  • 128

    MMU Hardware Management
  • 128

    MMU Software Management
  • 128

    MMU Instruction (LDTLB)
  • 129

    Hardware ITLB Miss Handling
  • 129

    Figure 3.12 Operation of LDTLB Instruction
  • 130

    Avoiding Synonym Problems
• 131

  MMU Exceptions
  • 131

    Instruction TLB Multiple Hit Exception
  • 132

    Instruction TLB Miss Exception
  • 133

    Instruction TLB Protection Violation Exception
  • 134

    Data TLB Multiple Hit Exception
  • 134

    Data TLB Miss Exception
  • 135

    Data TLB Protection Violation Exception
  • 136

    Initial Page Write Exception
• 137

  Memory-Mapped TLB Configuration
  • 138

    ITLB Address Array
  • 138

    Figure 3.13 Memory-Mapped ITLB Address Array
  • 139

    ITLB Data Array 1
  • 139

    Figure 3.14 Memory-Mapped ITLB Data Array 1
  • 140

    ITLB Data Array 2
  • 140

    UTLB Address Array
  • 140

    Figure 3.15 Memory-Mapped ITLB Data Array 2
  • 141

    Figure 3.16 Memory-Mapped UTLB Address Array
  • 142

    UTLB Data Array 1
  • 142

    Figure 3.17 Memory-Mapped UTLB Data Array 1
  • 143

    UTLB Data Array 2
  • 143

    Figure 3.18 Memory-Mapped UTLB Data Array 2
• 145

  Caches
• 145

  Overview
  • 145

    Features
  • 145

    Table 4.1 Cache Features (SH7750, SH7750S)
  • 145

    Table 4.2 Cache Features (SH7750R)
  • 146

    Register Configuration
  • 146

    Table 4.3 Features of Store Queues
  • 146

    Table 4.4 Cache Control Registers
• 147

  Figure 4.1 Cache and Store Queue Control Registers
• 147

  Register Descriptions
• 149

  Operand Cache (OC)
  • 149

    Configuration
  • 150

    Figure 4.2 Configuration of Operand Cache(Sh7750, SH7750S)
  • 151

    Figure 4.3 Configuration of Operand Cache (SH7750R)
  • 153

    Read Operation
  • 154

    Write Operation
  • 155

    Write-Back Buffer
  • 155

    Write-Through Buffer
  • 155

    Figure 4.4 Configuration of Write-Back Buffer
  • 155

    Figure 4.5 Configuration of Write-Through Buffer
  • 156

    RAM Mode
  • 157

    OC Index Mode
  • 157

    Coherency Between Cache and External Memory
• 158

  Instruction Cache (IC)
  • 158

    Configuration
  • 159

    Figure 4.6 Configuration of Instruction Cache (SH7750, SH7750S)
  • 160

    Figure 4.7 Configuration of Instruction Cache (SH7750R)
  • 161

    Read Operation
  • 161

    IC Index Mode
• 162

  Memory-Mapped Cache Configuration (SH7750, SH7750S)
  • 162

    IC Address Array
  • 163

    IC Data Array
  • 163

    Figure 4.8 Memory-Mapped IC Address Array
  • 164

    OC Address Array
  • 164

    Figure 4.9 Memory-Mapped IC Data Array
  • 165

    OC Data Array
  • 165

    Figure 4.10 Memory-Mapped OC Address Array
• 166

  Figure 4.11 Memory-Mapped OC Data Array
  • 167

    IC Address Array
  • 168

    IC Data Array
  • 168

    Figure 4.12 Memory-Mapped IC Address Array
  • 169

    OC Address Array
  • 169

    Figure 4.13 Memory-Mapped IC Data Array
  • 170

    OC Data Array
  • 170

    Figure 4.14 Memory-Mapped OC Address Array
  • 171

    Summary of the Memory-Mapping of the OC
  • 171

    Figure 4.15 Memory-Mapped OC Data Array
• 166

  Memory-Mapped Cache Configuration (SH7750R)
• 172

  Store Queues
  • 172

    SQ Configuration
  • 172

    SQ Writes
  • 172

    Transfer to External Memory
  • 172

    Figure 4.16 Store Queue Configuration
  • 174

    SQ Protection
  • 174

    Reading the Sqs (SH7750R Only)
  • 175

    SQ Usage Notes
• 177

  Exceptions
• 177

  Overview
  • 177

    Features
  • 177

    Register Configuration
  • 177

    Table 5.1 Exception-Related Registers
• 178

  Figure 5.1 Register Bit Configurations
• 178

  Register Descriptions
• 179

  Exception Handling Functions
  • 179

    Exception Handling Flow
  • 179

    Exception Handling Vector Addresses
• 180

  Exception Types and Priorities
• 180

  Figure 21.3 H-UDI Reset
• 180

  Table 5.2 Exceptions
• 182

  Exception Flow
  • 183

    Exception Source Acceptance
  • 183

    Figure 5.2 Instruction Execution and Exception Handling
  • 184

    Figure 5.3 Example of General Exception Acceptance Order
  • 185

    Exception Requests and BL Bit
  • 185

    Return From Exception Handling
• 185

  Description of Exceptions
  • 186

    Resets
  • 187

    Table 5.3 Types of Reset
  • 191

    General Exceptions
  • 205

    Interrupts
  • 208

    Priority Order with Multiple Exceptions
• 209

  Usage Notes
• 210

  Restrictions
• 211

  Data Formats
  • 211

    Floating-Point Format
  • 211

    Figure 6.1 Format of Single-Precision Floating-Point Number
  • 212

    Figure 6.2 Format of Double-Precision Floating-Point Number
  • 212

    Table 6.1 Floating-Point Number Formats and Parameters
  • 213

    Non-Numbers (Nan)
  • 213

    Table 6.2 Floating-Point Ranges
  • 214

    Denormalized Numbers
  • 214

    Figure 6.3 Single-Precision Nan Bit Pattern
• 211

  Floating-Point Unit
• 211

  Overview
• 215

  Registers
  • 215

    Floating-Point Registers
  • 216

    Figure 6.4 Floating-Point Registers
  • 217

    Floating-Point Status/Control Register (FPSCR)
  • 218

    Floating-Point Communication Register (FPUL)
• 218

  Rounding
• 219

  Floating-Point Exceptions
• 220

  Graphics Support Functions
  • 220

    Geometric Operation Instructions
  • 222

    Pair Single-Precision Data Transfer
• 223

  Execution Environment
• 223

  Instruction Set
• 225

  Addressing Modes
• 228

  Table 7.1 Addressing Modes and Effective Addresses
• 229

  Instruction Set
• 229

  Table 7.2 Notation Used in Instruction List
• 230

  Table 7.3 Fixed-Point Transfer Instructions
• 233

  Table 7.4 Arithmetic Operation Instructions
• 234

  Table 7.5 Logic Operation Instructions
• 235

  Table 7.6 Shift Instructions
• 236

  Table 7.7 Branch Instructions
• 237

  Table 7.8 System Control Instructions
• 239

  Table 7.9 Floating-Point Single-Precision Instructions
• 240

  Table 7.10 Floating-Point Double-Precision Instructions
• 240

  Table 7.11 Floating-Point Control Instructions
• 241

  Table 7.12 Floating-Point Graphics Acceleration Instructions
• 243

  Pipelines
• 243

  Pipelining
• 244

  Figure 8.1 Basic Pipelines
• 249

  Figure 8.2 Instruction Execution Patterns
• 250

  Parallel-Executability
• 250

  Table 8.1 Instruction Groups
• 254

  Execution Cycles and Pipeline Stalling
• 254

  Table 8.2 Parallel-Executability
• 259

  Figure 8.3 Examples of Pipelined Execution
• 261

  Table 8.3 Execution Cycles
• 271

  Overview
  • 271

    Types of Power-Down Modes
  • 272

    Table 9.1 Status of CPU and Peripheral Modules in Power-Down Modes
  • 273

    Register Configuration
  • 273

    Pin Configuration
  • 273

    Table 9.2 Power-Down Mode Registers
  • 273

    Table 9.3 Power-Down Mode Pins
• 271

  Power-Down Modes
• 274

  Register Descriptions
  • 274

    Standby Control Register (STBCR)
  • 276

    Peripheral Module Pin High Impedance Control
  • 276

    Peripheral Module Pin Pull-Up Control
  • 277

    Standby Control Register 2 (STBCR2)
  • 278

    Clock-Stop Register 00 (CLKSTP00) (SH7750R Only)
  • 279

    Clock-Stop Clear Register 00 (CLKSTPCLR00) (SH7750R Only)
• 280

  Deep Sleep Mode
  • 280

    Transition to Deep Sleep Mode
  • 281

    Exit From Deep Sleep Mode
• 280

  Sleep Mode
  • 280

    Transition to Sleep Mode
  • 280

    Exit From Sleep Mode
• 281

  Standby Mode
  • 281

    Transition to Standby Mode
  • 281

    Table 9.4 State of Registers in Standby Mode
  • 282

    Exit From Standby Mode
  • 282

    Clock Pause Function
• 283

  Module Standby Function
  • 283

    Transition to Module Standby Function
  • 284

    Exit From Module Standby Function
• 285

  Hardware Standby Mode (SH7750S, SH7750R Only)
  • 285

    Transition to Hardware Standby Mode
  • 285

    Exit From Hardware Standby Mode
  • 285

    Usage Notes
• 286

  STATUS Pin Change Timing
  • 287

    In Reset
  • 287

    Figure 9.1 STATUS Output in Power-On Reset
  • 287

    Figure 9.2 STATUS Output in Manual Reset
  • 288

    In Exit From Standby Mode
  • 288

    Figure 9.3 STATUS Output in Standby → Interrupt Sequence
  • 288

    Figure 9.4 STATUS Output in Standby → Power-On Reset Sequence
  • 289

    Figure 9.5 STATUS Output in Standby → Manual Reset Sequence
  • 290

    In Exit From Sleep Mode
  • 290

    Figure 9.6 STATUS Output in Sleep → Interrupt Sequence
  • 290

    Figure 9.7 STATUS Output in Sleep → Power-On Reset Sequence
  • 291

    Figure 9.8 STATUS Output in Sleep → Manual Reset Sequence
  • 292

    In Exit From Deep Sleep Mode
  • 292

    Figure 9.9 STATUS Output in Deep Sleep → Interrupt Sequence
  • 292

    Figure 9.10 STATUS Output in Deep Sleep → Power-On Reset Sequence
  • 293

    Figure 9.11 STATUS Output in Deep Sleep → Manual Reset Sequence
  • 294

    Hardware Standby Mode Timing (SH7750S, SH7750R Only)
  • 294

    Figure 9.12 Hardware Standby Mode Timing (When CA = Low in Normal Operation)
  • 295

    Figure 9.13 Hardware Standby Mode Timing (When CA = Low in WDT Operation)
  • 296

    Figure 9.14 Timing When Power Other Than VDD-RTC Is Off
  • 296

    Figure 9.15 Timing When VDD-RTC Power Is Off → On
• 297

  Overview
  • 297

    Features
• 297

  Section 10 Clock Oscillation Circuits
• 299

  Overview of CPG
  • 299

    Block Diagram of CPG
  • 299

    Figure 10.1 (1) Block Diagram of CPG (SH7750, SH7750S)
  • 300

    Figure 10.1 (2) Block Diagram of CPG (SH7750R)
  • 302

    CPG Pin Configuration
  • 302

    CPG Register Configuration
  • 302

    Table 10.1 CPG Pins
  • 302

    Table 10.2 CPG Register
• 303

  Clock Operating Modes
• 303

  Table 10.3 (1) Clock Operating Modes (SH7750, SH7750S)
• 303

  Table 10.3 (2) Clock Operating Modes (SH7750R)
• 304

  CPG Register Description
  • 304

    Frequency Control Register (FRQCR)
  • 304

    Table 10.4 FRQCR Settings and Internal Clock Frequencies
• 307

  Changing the Frequency
  • 307

    Changing PLL Circuit 1 Starting/Stopping (When PLL Circuit 2 Is Off)
  • 307

    Changing PLL Circuit 1 Starting/Stopping (When PLL Circuit 2 Is On)
  • 308

    Changing Bus Clock Division Ratio (When PLL Circuit 2 Is On)
  • 308

    Changing Bus Clock Division Ratio (When PLL Circuit 2 Is Off)
  • 308

    Changing CPU or Peripheral Module Clock Division Ratio
• 308

  Output Clock Control
• 309

  Overview of Watchdog Timer
  • 309

    Block Diagram
  • 309

    Figure 10.2 Block Diagram of WDT
  • 310

    Register Configuration
• 310

  WDT Register Descriptions
  • 310

    Watchdog Timer Counter (WTCNT)
  • 310

    Table 10.5 WDT Registers
  • 311

    Watchdog Timer Control/Status Register (WTCSR)
  • 313

    Notes On Register Access
• 313

  Using the WDT
  • 313

    Standby Clearing Procedure
  • 313

    Figure 10.3 Writing to WTCNT and WTCSR
  • 314

    Frequency Changing Procedure
  • 314

    Using Watchdog Timer Mode
  • 315

    Using Interval Timer Mode
• 315

  Figure 10.4 Points for Attention When Using Crystal Resonator
• 315

  Notes On Board Design
• 316

  Figure 10.5 Points for Attention When Using PLL Oscillator Circuit
• 317

  Overview
  • 317

    Features
  • 318

    Block Diagram
  • 318

    Figure 11.1 Block Diagram of RTC
  • 319

    Pin Configuration
  • 319

    Register Configuration
  • 319

    Table 11.1 RTC Pins
  • 319

    Table 11.2 RTC Registers
• 317

  Section 11 Realtime Clock (RTC)
• 321

  Register Descriptions
  • 321

    64 Hz Counter (R64CNT)
  • 321

    Second Counter (RSECCNT)
  • 322

    Minute Counter (RMINCNT)
  • 322

    Hour Counter (RHRCNT)
  • 323

    Day-Of-Week Counter (RWKCNT)
  • 324

    Day Counter (RDAYCNT)
  • 324

    Month Counter (RMONCNT)
  • 325

    Year Counter (RYRCNT)
  • 326

    Second Alarm Register (RSECAR)
  • 326

    Minute Alarm Register (RMINAR)
  • 327

    Hour Alarm Register (RHRAR)
  • 327

    Day-Of-Week Alarm Register (RWKAR)
  • 328

    Day Alarm Register (RDAYAR)
  • 329

    Month Alarm Register (RMONAR)
  • 329

    RTC Control Register 1 (RCR1)
  • 331

    RTC Control Register 2 (RCR2)
  • 333

    RTC Control Register 3 (RCR3) and Year-Alarm Register (RYRAR)
    • 333

      (SH7750R Only)
• 335

  Operation
  • 335

    Time Setting Procedures
  • 335

    Figure 11.2 Examples of Time Setting Procedures
  • 336

    Time Reading Procedures
  • 337

    Figure 11.3 Examples of Time Reading Procedures
  • 338

    Alarm Function
  • 338

    Figure 11.4 Example of Use of Alarm Function
• 339

  Interrupts
• 339

  Usage Notes
  • 339

    Register Initialization
  • 339

    Carry Flag and Interrupt Flag in Standby Mode
  • 339

    Crystal Oscillator Circuit
  • 339

    Table 11.3 Crystal Oscillator Circuit Constants (Recommended Values)
  • 340

    Figure 11.5 Example of Crystal Oscillator Circuit Connection
• 341

  Overview
  • 341

    Features
  • 342

    Block Diagram
  • 342

    Pin Configuration
  • 342

    Figure 12.1 Block Diagram of TMU
  • 342

    Table 12.1 TMU Pins
  • 343

    Register Configuration
  • 343

    Table 12.2 TMU Registers
• 341

  Section 12 Timer Unit (TMU)
• 345

  Register Descriptions
  • 345

    Timer Output Control Register (TOCR)
  • 346

    Timer Start Register (TSTR)
  • 347

    Timer Start Register 2 (TSTR2) (SH7750R Only)
  • 348

    Timer Constant Registers (TCOR)
  • 348

    Timer Counters (TCNT)
  • 349

    Timer Control Registers (TCR)
  • 353

    Input Capture Register (TCPR2)
• 354

  Operation
  • 354

    Counter Operation
  • 355

    Figure 12.2 Example of Count Operation Setting Procedure
  • 355

    Figure 12.3 TCNT Auto-Reload Operation
  • 356

    Figure 12.4 Count Timing When Operating On Internal Clock
  • 356

    Figure 12.5 Count Timing When Operating On External Clock
  • 357

    Input Capture Function
  • 357

    Figure 12.6 Count Timing When Operating On On-Chip RTC Output Clock
• 358

  Figure 12.7 Operation Timing When Using Input Capture Function
• 358

  Interrupts
• 359

  Usage Notes
  • 359

    Register Writes
  • 359

    TCNT Register Reads
  • 359

    Resetting the RTC Frequency Divider
  • 359

    External Clock Frequency
  • 359

    Table 12.3 TMU Interrupt Sources
• 361

  Overview
  • 361

    Features
  • 363

    Block Diagram
  • 363

    Figure 13.1 Block Diagram of BSC
  • 364

    Pin Configuration
  • 364

    Table 13.1 BSC Pins
  • 368

    Register Configuration
  • 368

    Table 13.2 BSC Registers
  • 369

    Overview of Areas
  • 369

    Figure 13.2 Correspondence Between Virtual Address Space and External Memory Space
  • 370

    Table 13.3 External Memory Space Map
  • 371

    Figure 13.3 External Memory Space Allocation
  • 372

    PCMCIA Support
  • 372

    Table 13.4 PCMCIA Interface Features
  • 373

    Table 13.5 PCMCIA Support Interfaces
• 361

  Section 13 Bus State Controller (BSC)
• 376

  Register Descriptions
  • 376

    Bus Control Register 1 (BCR1)
  • 385

    Bus Control Register 2 (BCR2)
  • 387

    Bus Control Register 3 (BCR3) (SH7750R Only)
  • 388

    Bus Control Register 4 (BCR4) (SH7750R Only)
  • 388

    Figure 13.4 Example of RDY Sampling Timing at Which BCR4 Is Set (Two Wait Cycles Are Inserted By WCR2)
  • 390

    Wait Control Register 1 (WCR1)
  • 393

    Wait Control Register 2 (WCR2)
  • 400

    Table 13.6 MPX Interface Is Selected (Areas 0 to 6)
  • 401

    Wait Control Register 3 (WCR3)
  • 402

    Memory Control Register (MCR)
  • 409

    PCMCIA Control Register (PCR)
  • 412

    Synchronous DRAM Mode Register (SDMR)
  • 414

    Refresh Timer Control/Status Register (RTCSR)
  • 417

    Refresh Timer Counter (RTCNT)
  • 418

    Refresh Time Constant Register (RTCOR)
  • 419

    Refresh Count Register (RFCR)
  • 419

    13.2.15 Notes On Accessing Refresh Control Registers
• 420

  Operation
  • 420

    Endian/Access Size and Data Alignment
  • 420

    Figure 13.5 Writing to RTCSR, RTCNT, RTCOR, and RFCR
  • 422

    Table 13.7 (1) 64-Bit External Device/Big-Endian Access and Data Alignment
  • 423

    Table 13.7 (2) 64-Bit External Device/Big-Endian Access and Data Alignment
  • 424

    Table 13.8 32-Bit External Device/Big-Endian Access and Data Alignment
  • 425

    Table 13.9 16-Bit External Device/Big-Endian Access and Data Alignment
  • 426

    Table 13.10 8-Bit External Device/Big-Endian Access and Data Alignment
  • 427

    Table 13.11 (1) 64-Bit External Device/Little-Endian Access and Data Alignment
  • 428

    Table 13.11 (2) 64-Bit External Device/Little-Endian Access and Data Alignment
  • 429

    Table 13.12 32-Bit External Device/Little-Endian Access and Data Alignment
  • 430

    Table 13.13 16-Bit External Device/Little-Endian Access and Data Alignment
  • 431

    Table 13.14 8-Bit External Device/Little-Endian Access and Data Alignment
  • 432

    Areas
  • 437

    SRAM Interface
  • 438

    Figure 13.6 Basic Timing of SRAM Interface
  • 439

    Figure 13.7 Example of 64-Bit Data Width SRAM Connection
  • 440

    Figure 13.8 Example of 32-Bit Data Width SRAM Connection
  • 441

    Figure 13.9 Example of 16-Bit Data Width SRAM Connection
  • 442

    Figure 13.10 Example of 8-Bit Data Width SRAM Connection
  • 443

    Figure 13.11 SRAM Interface Wait Timing (Software Wait Only)
  • 444

    Figure 13.12 SRAM Interface Wait State Timing (Wait State Insertion By RDY Signal)
  • 445

    DRAM Interface
  • 446

    Figure 13.13 SRAM Interface Read-Strobe Negate Timing (Ans = 1, Anw = 4, Anh = 2) 395 Figure 13.14 Example of DRAM Connection (64-Bit Data Width, Area 3)
  • 447

    Figure 13.15 Example of DRAM Connection (32-Bit Data Width, Area 3)
  • 448

    Figure 13.16 Example of DRAM Connection (16-Bit Data Width, Areas 2 and 3)
  • 449

    Table 13.15 Relationship Between AMXEXT and AMX2-0 Bits and
  • 450

    Figure 13.17 Basic DRAM Access Timing
  • 451

    Figure 13.18 DRAM Wait State Timing
  • 452

    Figure 13.19 DRAM Burst Access Timing
  • 453

    Figure 13.20 DRAM Bus Cycle (EDO Mode, RCD = 0, Anw = 0, TPC = 1)
  • 454

    Figure 13.21 Burst Access Timing in DRAM EDO Mode
  • 455

    Figure 13.22 (1) DRAM Burst Bus Cycle, RAS Down Mode Start (Fast Page Mode, RCD = 0, Anw = 0)
  • 456

    Figure 13.22 (2) DRAM Burst Bus Cycle, RAS Down Mode Continuation (Fast Page Mode, RCD = 0, Anw = 0)
  • 457

    Figure 13.22 (3) DRAM Burst Bus Cycle, RAS Down Mode Start (EDO Mode, RCD = 0, Anw = 0)
  • 458

    Figure 13.22 (4) DRAM Burst Bus Cycle, RAS Down Mode Continuation (EDO Mode, RCD = 0, Anw = 0)
  • 459

    Figure 13.23 Cas-Before-Ras Refresh Operation
  • 460

    Figure 13.24 DRAM Cas-Before-Ras Refresh Cycle Timing (TRAS = 0, TRC = 1)
  • 462

    Figure 13.25 DRAM Self-Refresh Cycle Timing
  • 463

    Synchronous DRAM Interface
  • 466

    Table 13.16 Example of Correspondence Between SH7750 Series and Synchronous DRAM
• 466

  Address Pins (64-Bit Bus Width, AMX2-AMX0 = 011, AMXEXT = 0)
• 481

  Table 13.17 Cycles for Which Pipeline Access Is Possible
  • 491

    Burst ROM Interface
  • 494

    PCMCIA Interface
  • 496

    Table 13.18 Relationship Between Address and CE When Using PCMCIA Interface
  • 505

    MPX Interface
  • 523

    Byte Control SRAM Interface
  • 528

    13.3.10 Waits Between Access Cycles
  • 530

    13.3.11 Bus Arbitration
  • 533

    13.3.12 Master Mode
  • 534

    13.3.13 Slave Mode
  • 535

    13.3.14 Partial-Sharing Master Mode
  • 536

    13.3.15 Cooperation Between Master and Slave
  • 537

    13.3.16 Notes On Usage
• 539

  Overview
  • 539

    Features
  • 542

    Block Diagram (SH7750, SH7750S)
  • 543

    Pin Configuration (SH7750, SH7750S)
  • 543

    Table 14.1 DMAC Pins
  • 544

    Register Configuration (SH7750, SH7750S)
  • 544

    Table 14.2 DMAC Pins in DDT Mode
  • 544

    Table 14.3 DMAC Registers
• 539

  Section 14 Direct Memory Access Controller (DMAC)
• 546

  Register Descriptions (SH7750, SH7750S)
  • 546

    DMA Source Address Registers 0-3 (SAR0-SAR3)
  • 547

    DMA Destination Address Registers 0-3 (DAR0-DAR3)
  • 548

    DMA Transfer Count Registers 0-3 (DMATCR0-DMATCR3)
  • 549

    DMA Channel Control Registers 0-3 (CHCR0-CHCR3)
  • 557

    DMA Operation Register (DMAOR)
• 560

  Operation
  • 560

    DMA Transfer Procedure
  • 562

    DMA Transfer Requests
  • 563

    Table 14.4 Selecting External Request Mode with RS Bits
  • 564

    Table 14.5 Selecting On-Chip Peripheral Module Request Mode with RS Bits
  • 565

    Channel Priorities
  • 568

    Types of DMA Transfer
  • 568

    Table 14.6 Supported DMA Transfers
  • 574

    Table 14.7 Relationship Between DMA Transfer Type, Request Mode, and Bus Mode
  • 575

    Table 14.8 External Request Transfer Sources and Destinations in Normal Mode
  • 576

    Table 14.9 External Request Transfer Sources and Destinations in DDT Mode
  • 577

    Number of Bus Cycle States and DREQ Pin Sampling Timing
  • 591

    Ending DMA Transfer
• 594

  Examples of Use
  • 594

    Examples of Transfer Between External Memory and an External Device with DACK
  • 594

    Table 14.10 Conditions for Transfer Between External Memory and an External Device with DACK, and Corresponding Register Settings
• 595

  On-Demand Data Transfer Mode (DDT Mode)
  • 595

    Operation
  • 597

    Pins in DDT Mode
  • 600

    Transfer Request Acceptance On Each Channel
  • 621

    Notes On Use of DDT Module
• 624

  Configuration of the DMAC (SH7750R)
  • 624

    Block Diagram of the DMAC
  • 625

    Pin Configuration (SH7750R)
  • 625

    Table 14.11 DMAC Pins
  • 626

    Register Configuration (SH7750R)
  • 626

    Table 14.12 DMAC Pins in DDT Mode
  • 627

    Table 14.13 Register Configuration
• 629

  Register Descriptions (SH7750R)
  • 629

    DMA Source Address Registers 0-7 (SAR0-SAR7)
  • 629

    DMA Destination Address Registers 0-7 (DAR0-DAR7)
  • 630

    DMA Transfer Count Registers 0-7 (DMATCR0-DMATCR7)
  • 630

    DMA Channel Control Registers 0-7 (CHCR0-CHCR7)
  • 633

    DMA Operation Register (DMAOR)
  • 634

    Table 14.14 Channel Selection By DTR Format (DMAOR.DBL = 1)
• 636

  Operation (SH7750R)
  • 636

    Channel Specification for a Normal DMA Transfer
  • 636

    Channel Specification for Ddt-Mode DMA Transfer
  • 636

    Transfer Channel Notification in DDT Mode
  • 637

    Clearing Request Queues By DTR Format
  • 637

    Table 14.15 Notification of Transfer Channel in Eight-Channel DDT Mode
  • 637

    Table 14.16 Function of BAVL
  • 638

    Interrupt-Request Codes
  • 638

    Table 14.17 DTR Format for Clearing Request Queues
  • 639

    Table 14.18 DMAC Interrupt-Request Codes
• 641

  Usage Notes
• 643

  Overview
  • 643

    Features
  • 645

    Block Diagram
  • 646

    Pin Configuration
  • 646

    Register Configuration
  • 646

    Table 15.1 SCI Pins
  • 646

    Table 15.2 SCI Registers
• 643

  Section 15 Serial Communication Interface (SCI)
• 647

  Register Descriptions
  • 647

    Receive Shift Register (SCRSR1)
  • 647

    Receive Data Register (SCRDR1)
  • 648

    Transmit Shift Register (SCTSR1)
  • 648

    Transmit Data Register (SCTDR1)
  • 649

    Serial Mode Register (SCSMR1)
  • 651

    Serial Control Register (SCSCR1)
  • 655

    Serial Status Register (SCSSR1)
  • 659

    Serial Port Register (SCSPTR1)
  • 663

    Bit Rate Register (SCBRR1)
  • 665

    Table 15.3 Examples of Bit Rates and SCBRR1 Settings in Asynchronous Mode
  • 668

    Table 15.4 Examples of Bit Rates and SCBRR1 Settings in Synchronous Mode
  • 669

    Table 15.5 Maximum Bit Rate for Various Frequencies with Baud Rate Generator (Asynchronous Mode)
  • 670

    Table 15.6 Maximum Bit Rate with External Clock Input (Asynchronous Mode)
  • 670

    Table 15.7 Maximum Bit Rate with External Clock Input (Synchronous Mode)
• 671

  Operation
  • 671

    Overview
  • 672

    Table 15.8 SCSMR1 Settings for Serial Transfer Format Selection
  • 672

    Table 15.9 SCSMR1 and SCSCR1 Settings for SCI Clock Source Selection
  • 673

    Operation in Asynchronous Mode
  • 674

    Table 15.10 Serial Transfer Formats (Asynchronous Mode)
  • 682

    Table 15.11 Receive Error Conditions
  • 684

    Multiprocessor Communication Function
  • 692

    Operation in Synchronous Mode
• 701

  SCI Interrupt Sources and DMAC
• 701

  Table 15.12 SCI Interrupt Sources
• 702

  Table 15.13 SCSSR1 Status Flags and Transfer of Receive Data
• 702

  Usage Notes
• 707

  Overview
  • 707

    Features
  • 709

    Block Diagram
  • 710

    Pin Configuration
  • 710

    Table 16.1 SCIF Pins
  • 711

    Register Configuration
• 707

  Section 16 Serial Communication Interface with FIFO (SCIF)
• 711

  Register Descriptions
  • 711

    Receive Shift Register (SCRSR2)
  • 711

    Table 16.2 SCIF Registers
  • 712

    Receive FIFO Data Register (SCFRDR2)
  • 712

    Transmit Shift Register (SCTSR2)
  • 713

    Transmit FIFO Data Register (SCFTDR2)
  • 713

    Serial Mode Register (SCSMR2)
  • 715

    Serial Control Register (SCSCR2)
  • 718

    Serial Status Register (SCFSR2)
  • 724

    Bit Rate Register (SCBRR2)
  • 725

    FIFO Control Register (SCFCR2)
  • 728

    FIFO Data Count Register (SCFDR2)
  • 729

    Serial Port Register (SCSPTR2)
  • 734

    Line Status Register (SCLSR2)
• 735

  Operation
  • 735

    Overview
  • 735

    Table 16.3 SCSMR2 Settings for Serial Transfer Format Selection
  • 736

    Serial Operation
  • 736

    Table 16.4 SCSCR2 Settings for SCIF Clock Source Selection
  • 737

    Table 16.5 Serial Transmit/Receive Formats
• 747

  SCIF Interrupt Sources and the DMAC
• 747

  Table 16.6 SCIF Interrupt Sources
• 748

  Usage Notes
• 753

  Overview
  • 753

    Features
  • 754

    Block Diagram
  • 755

    Pin Configuration
  • 755

    Register Configuration
  • 755

    Table 17.1 Smart Card Interface Pins
  • 755

    Table 17.2 Smart Card Interface Registers
• 753

  Section 17 Smart Card Interface
• 756

  Register Descriptions
  • 756

    Smart Card Mode Register (SCSCMR1)
  • 757

    Serial Mode Register (SCSMR1)
  • 758

    Serial Control Register (SCSCR1)
  • 759

    Serial Status Register (SCSSR1)
• 760

  Operation
  • 760

    Overview
  • 761

    Pin Connections
  • 762

    Data Format
  • 763

    Register Settings
  • 763

    Table 17.3 Smart Card Interface Register Settings
  • 765

    Clock
  • 765

    Table 17.4 Values of N and Corresponding CKS1 and CKS0 Settings
  • 766

    Table 17.5 Examples of Bit Rate B (Bits/S) for Various SCBRR1 Settings (When N = 0)
  • 766

    Table 17.6 Examples of SCBRR1 Settings for Bit Rate B (Bits/S) (When N = 0)
  • 766

    Table 17.7 Maximum Bit Rate at Various Frequencies (Smart Card Interface Mode)
  • 767

    Table 17.8 Register Settings and SCK Pin State
  • 768

    Data Transmit/Receive Operations
  • 774

    Table 17.9 Smart Card Mode Operating States and Interrupt Sources
• 775

  Usage Notes
• 781

  Overview
  • 781

    Features
  • 782

    Block Diagrams
  • 789

    Pin Configuration
  • 789

    Table 18.1 20-Bit General-Purpose I/O Port Pins
  • 790

    Table 18.2 SCI I/O Port Pins
  • 790

    Table 18.3 SCIF I/O Port Pins
  • 791

    Register Configuration
  • 791

    Table 18.4 I/O Port Registers
• 781

  Section 18 I/O Ports
• 792

  Register Descriptions
  • 792

    Port Control Register a (PCTRA)
  • 793

    Port Data Register a (PDTRA)
  • 794

    Port Control Register B (PCTRB)
  • 795

    Port Data Register B (PDTRB)
  • 795

    GPIO Interrupt Control Register (GPIOIC)
  • 796

    Serial Port Register (SCSPTR1)
  • 798

    Serial Port Register (SCSPTR2)
• 801

  Overview
  • 801

    Features
  • 801

    Block Diagram
  • 803

    Pin Configuration
  • 803

    Register Configuration
  • 803

    Table 19.1 INTC Pins
  • 803

    Table 19.2 INTC Registers
• 801

  Section 19 Interrupt Controller (INTC)
• 804

  Interrupt Sources
  • 804

    NMI Interrupt
  • 805

    IRL Interrupts
  • 806

    Table 19.3 IRL3-IRL0 Pins and Interrupt Levels
  • 807

    On-Chip Peripheral Module Interrupts
  • 807

    Table 19.4 SH7750 IRL3-IRL0 Pins and Interrupt Levels (When IRLM = 1)
  • 808

    Interrupt Exception Handling and Priority
  • 809

    Table 19.5 Interrupt Exception Handling Sources and Priority Order
• 811

  Register Descriptions
  • 811

    Interrupt Priority Registers a to D (IPRA-IPRD)
  • 812

    Interrupt Control Register (ICR)
  • 812

    Table 19.6 Interrupt Request Sources and IPRA-IPRD Registers
  • 814

    Interrupt-Priority-Level Setting Register 00 (INTPRI00) (SH7750R Only)
  • 815

    Interrupt Source Register 00 (INTREQ00) (SH7750R Only)
  • 815

    Table 19.7 Interrupt Request Sources and the Bits of the INTPRI00 Register
  • 816

    Interrupt Mask Register 00 (INTMSK00) (SH7750R Only)
  • 817

    Interrupt Mask Clear Register 00 (INTMSKCLR00) (SH7750R Only)
  • 817

    Bit Assignments of INTREQ00, INTMSK00, and INTMSKCLR00 (SH7750R Only)
  • 817

    Table 19.8 Bit Assignments
• 818

  INTC Operation
  • 818

    Interrupt Operation Sequence
  • 820

    Multiple Interrupts
  • 820

    Interrupt Masking with MAI Bit
• 821

  Interrupt Response Time
• 821

  Table 19.9 Interrupt Response Time
• 823

  Overview
  • 823

    Features
  • 824

    Block Diagram
  • 825

    Table 20.1 UBC Registers
• 823

  Section 20 User Break Controller (UBC)
• 826

  Register Descriptions
  • 826

    Access to UBC Control Registers
  • 827

    Break Address Register a (BARA)
  • 828

    Break ASID Register a (BASRA)
  • 828

    Break Address Mask Register a (BAMRA)
  • 829

    Break Bus Cycle Register a (BBRA)
  • 831

    Break Address Register B (BARB)
  • 831

    Break ASID Register B (BASRB)
  • 831

    Break Address Mask Register B (BAMRB)
  • 831

    Break Data Register B (BDRB)
  • 832

    Break Data Mask Register B (BDMRB)
  • 833

    Break Bus Cycle Register B (BBRB)
  • 833

    Break Control Register (BRCR)
• 835

  Operation
  • 835

    Explanation of Terms Relating to Accesses
  • 836

    Explanation of Terms Relating to Instruction Intervals
  • 837

    User Break Operation Sequence
  • 838

    Instruction Access Cycle Break
  • 839

    Operand Access Cycle Break
  • 840

    Condition Match Flag Setting
  • 840

    Program Counter (PC) Value Saved
  • 841

    Contiguous a and B Settings for Sequential Conditions
  • 842

    Usage Notes
• 843

  User Break Debug Support Function
• 845

  Examples of Use
• 847

  User Break Controller Stop Function
  • 847

    Transition to User Break Controller Stopped State
  • 847

    Cancelling the User Break Controller Stopped State
  • 848

    Examples of Stopping and Restarting the User Break Controller
• 849

  Overview
  • 849

    Features
  • 849

    Block Diagram
  • 851

    Pin Configuration
  • 851

    Table 21.1 H-UDI Pins
  • 852

    Register Configuration
  • 852

    Table 21.2 H-UDI Registers
• 849

  Section 21 Hitachi User Debug Interface (H-UDI)
• 853

  Register Descriptions
  • 853

    Instruction Register (SDIR)
  • 855

    Data Register (SDDR)
  • 855

    Bypass Register (SDBPR)
  • 856

    Interrupt Source Register (SDINT) (SH7750R Only)
  • 856

    Boundary Scan Register (SDBSR) (SH7750R Only)
  • 857

    Table 21.3 Configuration of the Boundary Scan Register (1)
  • 858

    Table 21.3 Configuration of the Boundary Scan Register (2)
  • 859

    Table 21.3 Configuration of the Boundary Scan Register (3)
• 860

  Operation
  • 860

    TAP Control
  • 861

    H-UDI Reset
  • 861

    H-UDI Interrupt
  • 862

    Boundary Scan (EXTEST, SAMPLE/PRELOAD, BYPASS) (SH7750R Only)
• 862

  Usage Notes
• 863

  Absolute Maximum Ratings
• 863

  Section 22 Electrical Characteristics
• 863

  Table 22.1 Absolute Maximum Ratings
• 864

  DC Characteristics
• 864

  Table 22.2 DC Characteristics (HD6417750RBP240)
• 866

  Table 22.3 DC Characteristics (HD6417750RF240)
• 868

  Table 22.4 DC Characteristics (HD6417750RBP200)
• 870

  Table 22.5 DC Characteristics (HD6417750RF200)
• 872

  Table 22.6 DC Characteristics (HD6417750SBP200)
• 874

  Table 22.7 DC Characteristics (HD6417750SF200)
• 876

  Table 22.8 DC Characteristics (HD6417750BP200M)
• 878

  Table 22.9 DC Characteristics (HD6417750SF167)
• 880

  Table 22.10 DC Characteristics (HD6417750SF167I)
• 882

  Table 22.11 DC Characteristics (HD6417750F167)
• 884

  Table 22.12 DC Characteristics (HD6417750F167I)
• 886

  Table 22.13 DC Characteristics (HD6417750SVF133)
• 888

  Table 22.14 DC Characteristics (HD6417750SVBT133)
• 890

  Table 22.15 DC Characteristics (HD6417750VF128)
• 891

  Table 22.16 Permissible Output Currents
• 892

  AC Characteristics
• 892

  Table 22.17 Clock Timing (HD6417750RBP240)
• 892

  Table 22.18 Clock Timing (HD6417750RF240)
• 892

  Table 22.19 Clock Timing (HD6417750BP200M, HD6417750SBP200, HD6417750RBP200)
• 892

  Table 22.20 Clock Timing (HD6417750RF200)
• 892

  Table 22.21 Clock Timing (HD6417750SF200)
• 893

  Table 22.22 Clock Timing (HD6417750F167, HD6417750F167I, HD6417750SF167, HD6417750SF167I)
• 893

  Table 22.23 Clock Timing (HD6417750SVF133, HD6417750SVBT133)
• 893

  Table 22.24 Clock Timing (HD6417750VF128)
  • 894

    Clock and Control Signal Timing
  • 894

    Table 22.25 Clock and Control Signal Timing (HD6417750RBP240)
  • 896

    Table 22.26 Clock and Control Signal Timing (HD6417750RF240)
  • 898

    Table 22.27 Clock and Control Signal Timing (HD6417750RBP200)
  • 900

    Table 22.28 Clock and Control Signal Timing (HD6417750RF200)
  • 902

    Table 22.29 Clock and Control Signal Timing
  • 904

    Table 22.30 Clock and Control Signal Timing (HD6417750SF200)
  • 906

    Table 22.31 Clock and Control Signal Timing
• 906

  Hd6417750Sf167, Hd6417750Sf167I)
• 908

  Hd6417750Svbt133: V
• 910

  Table 22.33 Clock and Control Signal Timing (HD6417750VF128)
• 912

  Figure 22.1 EXTAL Clock Input Timing
• 912

  Figure 22.2(1) CKIO Clock Output Timing
• 912

  Figure 22.2(2) CKIO Clock Output Timing
• 913

  Figure 22.3 Power-On Oscillation Settling Time
• 913

  Figure 22.4 Standby Return Oscillation Settling Time (Return By RESET)
• 914

  Figure 22.5 Power-On Oscillation Settling Time
• 914

  Figure 22.6 Standby Return Oscillation Settling Time (Return By RESET)
• 915

  Figure 22.7 Standby Return Oscillation Settling Time (Return By NMI)
• 915

  Figure 22.8 Standby Return Oscillation Settling Time (Return By IRL3-IRL0)
• 916

  Figure 22.10 PLL Synchronization Settling Time in Case of IRL Interrupt
• 916

  Figure 22.9 PLL Synchronization Settling Time in Case of RESET or NMI Interrupt
• 917

  Figure 22.11 Manual Reset Input Timing
• 917

  Figure 22.12 Mode Input Timing
  • 918

    Control Signal Timing
  • 918

    Table 22.34 Control Signal Timing (1)
  • 919

    Table 22.34 Control Signal Timing (2)
  • 920

    Figure 22.13 Control Signal Timing
  • 920

    Figure 22.14 Pin Drive Timing for Standby Mode
  • 921

    Bus Timing
  • 921

    Table 22.35 Bus Timing (1)
  • 923

    Table 22.35 Bus Timing (2)
  • 925

    Table 22.35 Bus Timing (3)
  • 927

    Figure 22.15 SRAM Bus Cycle: Basic Bus Cycle (No Wait)
  • 928

    Figure 22.16 SRAM Bus Cycle: Basic Bus Cycle (One Internal Wait)
• 930

  Insertion, Ans = 1, Anh = 1)
• 931

  Figure 22.19 Burst ROM Bus Cycle (No Wait)
• 932

  Figure 22.20 Burst ROM Bus Cycle (1St Data: One Internal Wait + One External Wait; 2Nd/3Rd/4Th Data: One Internal Wait)
• 933

  Figure 22.21 Burst ROM Bus Cycle (No Wait, Address Setup/Hold Time Insertion, Ans = 1, Anh = 1)
• 934

  Figure 22.22 Burst ROM Bus Cycle (One Internal Wait + One External Wait)
• 935

  Figure 22.23 Synchronous DRAM Auto-Precharge Read Bus Cycle: Single (RCD[1:0] = 01, CAS Latency = 3, TPC[2:0] = 011)
• 937

  Burst (RCD[1:0] = 01, CAS Latency = 3, TPC[2:0] = 011)
• 937

  Figure 22.25 Synchronous DRAM Normal Read Bus Cycle: ACT + READ Commands, Burst (RCD[1:0] = 01, CAS Latency = 3)
• 938

  CAS Latency = 3)
• 939

  Figure 22.27 Synchronous DRAM Normal Read Bus Cycle: READ Command, Burst (CAS Latency = 3)
• 940

  Figure 22.28 Synchronous DRAM Auto-Precharge Write Bus Cycle: Single (RCD[1:0] = 01, TPC[2:0] = 001, TRWL[2:0] = 010)
• 941

  Figure 22.29 Synchronous DRAM Auto-Precharge Write Bus Cycle: Burst (RCD[1:0] = 01, TPC[2:0] = 001, TRWL[2:0] = 010)
• 942

  Figure 22.30 Synchronous DRAM Normal Write Bus Cycle: ACT + WRITE Commands, Burst (RCD[1:0] = 01, TRWL[2:0] = 010)
• 943

  Figure 22.31 Synchronous DRAM Normal Write Bus Cycle: PRE + ACT + WRITE Commands, Burst (RCD[1:0] = 01, TPC[2:0] = 001, TRWL[2:0] = 010)
• 944

  Figure 22.32 Synchronous DRAM Normal Write Bus Cycle: WRITE Command, Burst (TRWL[2:0] = 010)
• 945

  Figure 22.33 Synchronous DRAM Bus Cycle: Synchronous DRAM Precharge Command (TPC[2:0] = 001)
• 946

  Figure 22.34 Synchronous DRAM Bus Cycle: Synchronous DRAM Auto-Refresh (TRAS = 1, TRC[2:0] = 001)
• 947

  Figure 22.35 Synchronous DRAM Bus Cycle: Synchronous DRAM Self-Refresh (TRC[2:0] = 001)
• 948

  Figure 22.36 (A) Synchronous DRAM Bus Cycle: Synchronous DRAM Mode Register Setting (PALL)
• 949

  Figure 22.36 (B) Synchronous DRAM Bus Cycle: Synchronous DRAM Mode Register Setting (SET)
• 950

  Figure 22.37 DRAM Bus Cycles (1) RCD[1:0] = 00, Anw[2:0] = 000, TPC[2:0] = 001 (2) RCD[1:0] = 01, Anw[2:0] = 001, TPC[2:0] = 010
• 951

  Figure 22.38 DRAM Bus Cycle (EDO Mode, RCD[1:0] = 00, Anw[2:0] = 000, TPC[2:0] = 001)
• 952

  Figure 22.39 DRAM Burst Bus Cycle (EDO Mode, RCD[1:0] = 00, Anw[2:0] = 000, TPC[2:0] = 001)
• 953

  Figure 22.40 DRAM Burst Bus Cycle (EDO Mode, RCD[1:0] = 01, Anw[2:0] = 001, TPC[2:0] = 001)
• 954

  TPC[2:0] = 001, 2-Cycle CAS Negate Pulse Width)
• 955

  Figure 22.42 DRAM Burst Bus Cycle: RAS Down Mode State (EDO Mode, RCD[1:0] = 00, Anw[2:0] = 000)
• 956

  Figure 22.43 DRAM Burst Bus Cycle: RAS Down Mode Continuation (EDO Mode, RCD[1:0] = 00, Anw[2:0] = 000)
• 957

  Figure 22.44 DRAM Burst Bus Cycle (Fast Page Mode, RCD[1:0] = 00, Anw[2:0] = 000, TPC[2:0] = 001)
• 958

  Figure 22.45 DRAM Burst Bus Cycle (Fast Page Mode, RCD[1:0] = 01, Anw[2:0] = 001, TPC[2:0] = 001)
• 959

  Figure 22.46 DRAM Burst Bus Cycle (Fast Page Mode, RCD[1:0] = 01, Anw[2:0] = 001, TPC[2:0] = 001, 2-Cycle CAS Negate Pulse Width)
• 960

  Figure 22.47 DRAM Burst Bus Cycle: RAS Down Mode State (Fast Page Mode, RCD[1:0] = 00, Anw[2:0] = 000)
• 961

  (Fast Page Mode, RCD[1:0] = 00, Anw[2:0] = 000)
• 962

  (Tras[2:0] = 000, Trc[2:0] = 001)
• 963

  (Tras[2:0] = 001, Trc[2:0] = 001)
• 964

  Figure 22.51 DRAM Bus Cycle: DRAM Self-Refresh (TRC[2:0] = 001)
• 965

  Figure 22.52 PCMCIA Memory Bus Cycle (1) TED[2:0] = 000, TEH[2:0] = 000, No Wait (2) TED[2:0] = 001, TEH[2:0] = 001, One Internal Wait + One External Wait
• 966

  Figure 22.53 PCMCIA I/O Bus Cycle (1) TED[2:0] = 000, TEH[2:0] = 000, No Wait (2) TED[2:0] = 001, TEH[2:0] = 001, One Internal Wait + One External Wait
• 967

  Figure 22.54 PCMCIA I/O Bus Cycle (TED[2:0] = 001, TEH[2:0] = 001, One Internal Wait, Bus Sizing)
• 968

  1St Data (One Internal Wait + One External Wait)
• 969

  1St Data (One Internal Wait + One External Wait)
• 970

  1St Data (One Internal Wait), 2Nd to 4Th Data (One Internal Wait + One External Wait)
• 971

  Figure 22.58 MPX Bus Cycle: Burst Write (1) No Internal Wait (2) 1St Data (One Internal Wait), 2Nd to 4Th Data (No Internal Wait + External Wait Control)
• 972

  Basic Read Cycle (One Internal Wait + One External Wait)
• 973

  Figure 22.60 Memory Byte Control SRAM Bus Cycle: Basic Read Cycle (No Wait, Address Setup/Hold Time Insertion, Ans[0] = 1, Anh[1:0] =01)
  • 974

    Peripheral Module Signal Timing
  • 974

    Table 22.36 Peripheral Module Signal Timing (1)
  • 976

    Table 22.36 Peripheral Module Signal Timing (2)
  • 978

    Table 22.36 Peripheral Module Signal Timing (3)
  • 980

    Figure 22.61 TCLK Input Timing
  • 980

    Figure 22.62 RTC Oscillation Settling Time at Power-On
  • 980

    Figure 22.63 SCK Input Clock Timing
  • 981

    Figure 22.64 SCI I/O Synchronous Mode Clock Timing
  • 981

    Figure 22.65 I/O Port Input/Output Timing
  • 981

    Figure 22.66(A) DREQ/DRAK Timing
  • 982

    Figure 22.66(B) DBREQ/TR Input Timing and BAVL Output Timing
  • 984

    AC Characteristic Test Conditions
  • 985

    Delay Time Variation Due to Load Capacitance
• 987

  Appendix A Address List
• 988

  Table A.1 Address List
• 993

  Appendix B Package Dimensions
• 997

  Appendix C Mode Pin Settings
• 999

  Appendix D CKIO2ENB Pin Configuration
• 1001

  Appendix E Pin Functions
• 1001

  Pin States
  • 1001

    Table E.1 Pin States in Reset, Power-Down State, and Bus-Released State
• 1004

  Handling of Unused Pins
• 1005

  Appendix F Synchronous DRAM Address Multiplexing Tables
• 1027

  Appendix G Prefetching of Instructions and Its Side Effects
• 1029

  Hd6417750Sbp200
• 1029

  Table I.1 SH7750 Series Product Code Lineup

• 7

  Table of Contents

15

Section 1 Overview

• 15

  SH7750 Features
• 22

  Block Diagram

23

Section 2 Programming Model

• 23

  Data Formats
• 24

  Register Configuration
  • 24

    Privileged Mode and Banks
  • 27

    General Registers
  • 29

    Floating-Point Registers
  • 31

    Control Registers
  • 32

    System Registers
• 34

  Memory-Mapped Registers
• 35

  Data Format in Registers
• 35

  Data Formats in Memory
• 36

  Processor States
• 37

  Processor Modes

39

Section 3 Memory Management Unit (MMU)

• 39

  Overview
  • 39

    Features
  • 39

    Role of the MMU
  • 42

    Register Configuration
  • 42

    Caution
• 43

  Register Descriptions
• 46

  Memory Space
  • 46

    Physical Memory Space
  • 49

    External Memory Space
  • 50

    Virtual Memory Space
  • 51

    On-Chip RAM Space
  • 51

    Address Translation
  • 52

    Single Virtual Memory Mode and Multiple Virtual Memory Mode
  • 52

    Address Space Identifier (ASID)
• 52

  TLB Functions
  • 52

    Unified TLB (UTLB) Configuration
  • 56

    Instruction TLB (ITLB) Configuration
  • 56

    Address Translation Method
• 59

  MMU Functions
  • 59

    MMU Hardware Management
  • 59

    MMU Software Management
  • 59

    MMU Instruction (LDTLB)
  • 60

    Hardware ITLB Miss Handling
  • 61

    Avoiding Synonym Problems
• 62

  MMU Exceptions
  • 62

    Instruction TLB Multiple Hit Exception
  • 63

    Instruction TLB Miss Exception
  • 64

    Instruction TLB Protection Violation Exception
  • 65

    Data TLB Multiple Hit Exception
  • 65

    Data TLB Miss Exception
  • 66

    Data TLB Protection Violation Exception
  • 67

    Initial Page Write Exception
• 68

  Memory-Mapped TLB Configuration
  • 69

    ITLB Address Array
  • 70

    ITLB Data Array 1
  • 71

    ITLB Data Array 2
  • 71

    UTLB Address Array
  • 73

    UTLB Data Array 1
  • 74

    UTLB Data Array 2

75

Section 4 Caches

• 75

  Overview
  • 75

    Features
  • 76

    Register Configuration
• 76

  Register Descriptions
• 79

  Operand Cache (OC)
  • 79

    Configuration
  • 80

    Read Operation
  • 81

    Write Operation
  • 83

    Write-Back Buffer
  • 83

    Write-Through Buffer
  • 83

    RAM Mode
  • 84

    OC Index Mode
  • 85

    Coherency Between Cache and External Memory
  • 85

    Prefetch Operation
• 86

  Instruction Cache (IC)
  • 86

    Configuration
  • 87

    Read Operation
  • 88

    IC Index Mode
• 88

  Memory-Mapped Cache Configuration
  • 88

    IC Address Array
  • 89

    IC Data Array
  • 90

    OC Address Array
  • 92

    OC Data Array
• 93

  Store Queues
  • 93

    SQ Configuration
  • 93

    SQ Writes
  • 93

    Transfer to External Memory
  • 95

    SQ Protection

97

Section 5 Exceptions

• 97

  Overview
  • 97

    Features
  • 97

    Register Configuration
• 98

  Register Descriptions
• 99

  Exception Handling Functions
  • 99

    Exception Handling Flow
  • 99

    Exception Handling Vector Addresses
• 100

  Exception Types and Priorities
• 102

  Exception Flow
  • 103

    Exception Source Acceptance
  • 105

    Exception Requests and BL Bit
  • 105

    Return From Exception Handling
• 106

  Description of Exceptions
  • 106

    Resets
  • 111

    General Exceptions
  • 125

    Interrupts
  • 128

    Priority Order with Multiple Exceptions
• 129

  Usage Notes
• 129

  Restrictions

131

Section 6 Floating-Point Unit

• 131

  Overview
• 131

  Data Formats
  • 131

    Floating-Point Format
  • 133

    Non-Numbers (Nan)
  • 134

    Denormalized Numbers
• 135

  Registers
  • 135

    Floating-Point Registers
  • 137

    Floating-Point Status/Control Register (FPSCR)
  • 138

    Floating-Point Communication Register (FPUL)
• 138

  Rounding
• 139

  Floating-Point Exceptions
• 140

  Graphics Support Functions
  • 140

    Geometric Operation Instructions
  • 142

    Pair Single-Precision Data Transfer

143

Section 7 Instruction Set

• 143

  Execution Environment
• 145

  Addressing Modes
• 149

  Instruction Set

163

Section 8 Pipelining

• 163

  Pipelines
• 170

  Parallel-Executability
• 174

  Execution Cycles and Pipeline Stalling