Name: Renesas H8 Series
Brand: Renesas
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Section 3 Exception Handling

Rev. 7.00 Mar 10, 2005 page 94 of 652

REJ09B0042-0700

PC contents saved

CCR contents saved

I ← 1

I = 0

Program execution state

Yes

[Legend]

PC:

CCR:

Program counter

Condition code register

I bit of CCR

IEN0 = 1

Yes

IENDT = 1

Yes

IRRDT = 1

Yes

Branch to interrupt

handling routine

IRRI0 = 1

Yes

IEN1 = 1

Yes

IRRI1 = 1

Yes

IENEC2 = 1

Yes

IRREC2 = 1

Figure 3.3 Flow up to Interrupt Acceptance

Default Chapter31
- Table of Contents31
Section 1 Overview43
- Overview43
- Internal Block Diagram49
- Pin Arrangement and Functions51
  - Pin Arrangement51
  - Pin Functions61
Section 2 CPU67
- Overview67
- Register Descriptions69
- Data Formats71
  - Data Formats in General Registers72
  - Memory Data Formats73
- Addressing Modes74
  - Effective Address Calculation76
- Instruction Set80
- Basic Operational Timing97
  - Access to On-Chip Memory (RAM, ROM)97
  - Access to On-Chip Peripheral Modules98
- CPU States99
- Memory Map102
- Application Notes108
Section 3 Exception Handling117
- Overview117
- Reset117
  - Reset Sequence117
  - Interrupt Immediately after Reset118
- Interrupts119
- Application Notes140
Section 4 Clock Pulse Generators145
- Overview145
- System Clock Generator148
- Subclock Generator153
- Prescalers155
- Note on Oscillators156
- Notes on H8/38124 Group160
Section 5 Power-Down Modes161
- Overview161
  - System Control Registers164
- Sleep Mode168
- Standby Mode170
- Watch Mode174
- Subsleep Mode176
  - Transition to Subsleep Mode176
  - Clearing Subsleep Mode176
- Subactive Mode177
- Active (Medium-Speed) Mode178
- Direct Transfer179
- Module Standby Mode183
  - Setting Module Standby Mode183
  - Clearing Module Standby Mode183
Section 6 ROM185
- Overview185
  - Block Diagram185
- H8/38024 PROM Mode186
  - Setting to PROM Mode186
  - Socket Adapter Pin Arrangement and Memory Map186
- H8/38024 Programming189
  - Writing and Verifying189
  - Programming Precautions194
- Reliability of Programmed Data195
- Flash Memory Overview196
- Descriptions of Registers of the Flash Memory200
- On-Board Programming Modes206
- Flash Memory Programming/Erasing210
- Program/Erase Protection216
- Programmer Mode217
- Power-Down States for Flash Memory231
Section 7 RAM233
- Overview233
  - Block Diagram233
Section 8 I/O Ports235
- Overview235
- Port 1237
- Port 3244
- Port 4251
- Port 5255
- Port 6260
- Port 7264
- Port 8267
- Port 9270
- Port a275
- Port B279
- Input/Output Data Inversion Function282
- Application Note285
  - The Management of the Un-Use Terminal285
Section 9 Timers287
- Overview287
- Timer a288
- Timer C295
- Timer F303
- Timer G323
- Watchdog Timer342
- Asynchronous Event Counter (AEC)353
Section 10 Serial Communication Interface373
- Overview373
- Register Descriptions377
- Operation398
- Interrupts425
- Application Notes426
Section 11 10-Bit PWM431
- Overview431
- Register Descriptions434
- Operation438
  - PWM Operation Modes439
Section 12 A/D Converter441
- Overview441
- Register Descriptions444
- Operation448
- Interrupts449
- Typical Use449
- A/D Conversion Accuracy Definitions453
- Application Notes455
Section 13 LCD Controller/Driver457
- Overview457
- Register Descriptions461
- Operation468
Section 14 Power-On Reset and Low-Voltage Detection Circuits (H8/38124 Group Only)477
- Overview477
- Individual Register Descriptions479
- Operation485
  - Power-On Reset Circuit485
  - Low-Voltage Detection Circuit486
Section 15 Power Supply Circuit (H8/38124 Group Only)493
- When Using Internal Power Supply Step-Down Circuit493
- When Not Using Internal Power Supply Step-Down Circuit494
Section 16 Electrical Characteristics495
- H8/38024 Group ZTAT Version and Mask ROM Version Absolute Maximum Ratings495
- H8/38024 Group ZTAT Version and Mask ROM Version Electrical Characteristics496
- H8/38024 Group F-ZTAT Version and H8/38024R Group F-ZTAT Version Absolute Maximum Ratings511
- H8/38024 Group F-ZTAT Version and H8/38024R Group F-ZTAT Version Electrical Characteristics512
- H8/38024S Group Mask ROM Version Absolute Maximum Ratings529
- H8/38024S Group Mask ROM Version Electrical Characteristics530
- Absolute Maximum Ratings of H8/38124 Group F-ZTAT Version and Mask ROM Version547
- Electrical Characteristics of H8/38124 Group F-ZTAT Version and Mask ROM Version548
- Operation Timing571
- Output Load Circuit574
- Resonator Equivalent Circuit574
- Usage Note575
Appendix A CPU Instruction Set577
- Instructions577
- Operation Code Map585
- Number of Execution States587
Appendix B Internal I/O Registers592
- Addresses592
- Functions597
- B.2 Functions597
Appendix C I/O Port Block Diagrams658
- Block Diagrams of Port 1658
- Block Diagrams of Port 3661
- Block Diagrams of Port 4666
- Block Diagram of Port 5670
- Block Diagram of Port 6671
- Block Diagram of Port 7672
- Block Diagram of Port 8673
- Block Diagrams of Port 9674
- Block Diagram of Port a676
- Block Diagrams of Port B677
Appendix D Port States in the Different Processing States680
Appendix E List of Product Codes681
Appendix F Package Dimensions685
Appendix G Specifications of Chip Form689

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English

Renesas H8 Series Hardware Manual

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