R8C25 datasheet(13/525 Pages) RENESAS

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21.3.3

Notes on Timer RD ........................................................................................................................... 463

21.3.4

Notes on Timer RE ........................................................................................................................... 469

21.4

Notes on Serial Interface ....................................................................................................................... 472

21.5

Notes on Clock Synchronous Serial Interface ....................................................................................... 473

21.5.1

Notes on Clock Synchronous Serial I/O with Chip Select ............................................................... 473

21.5.2

Notes on I2C bus Interface ................................................................................................................ 473

21.6

Notes on Hardware LIN ........................................................................................................................ 474

21.7

Notes on A/D Converter ........................................................................................................................ 475

21.8

Notes on Flash Memory ........................................................................................................................ 476

21.8.1

CPU Rewrite Mode ........................................................................................................................... 476

21.9

Notes on Noise ...................................................................................................................................... 479

21.9.1

Inserting a Bypass Capacitor between VCC and VSS Pins as a Countermeasure against Noise and

Latch-up ............................................................................................................................................ 479

21.9.2

Countermeasures against Noise Error of Port Control Registers ..................................................... 479

22.

Notes on On-Chip Debugger ...................................................................................................... 480

Appendix 1. Package Dimensions ........................................................................................................ 481

Appendix 2. Connection Examples between Serial Writer and On-Chip Debugging Emulator ............ 482

Appendix 3. Example of Oscillation Evaluation Circuit ......................................................................... 483

Index ..................................................................................................................................................... 484

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