R8C33A datasheet(21/617 Pages) RENESAS

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32.2.8

Clock Synchronous Serial Interface ................................................................................................. 528

32.2.9

Reducing Internal Power Consumption ............................................................................................ 529

32.2.10

Stopping Flash Memory .................................................................................................................... 530

32.2.11

Low-Current-Consumption Read Mode ........................................................................................... 531

32.2.12

Others ................................................................................................................................................ 531

33.

Electrical Characteristics ............................................................................................................ 532

34.

Usage Notes ............................................................................................................................... 559

34.1

Notes on Clock Generation Circuit ....................................................................................................... 559

34.1.1

Stop Mode ......................................................................................................................................... 559

34.1.2

Wait Mode ........................................................................................................................................ 559

34.1.3

Oscillation Stop Detection Function ................................................................................................. 559

34.1.4

Oscillation Circuit Constants ............................................................................................................ 559

34.2

Notes on Interrupts ................................................................................................................................ 560

34.2.1

Reading Address 00000h .................................................................................................................. 560

34.2.2

SP Setting .......................................................................................................................................... 560

34.2.3

External Interrupt and Key Input Interrupt ....................................................................................... 560

34.2.4

Changing Interrupt Sources .............................................................................................................. 561

34.2.5

Rewriting Interrupt Control Register ................................................................................................ 562

34.3

Notes on ID Code Areas ........................................................................................................................ 563

34.3.1

Setting Example of ID Code Areas ................................................................................................... 563

34.4

Notes on Option Function Select Area .................................................................................................. 563

34.4.1

Setting Example of Option Function Select Area ............................................................................. 563

34.5

Notes on DTC ........................................................................................................................................ 564

34.5.1

DTC activation source ...................................................................................................................... 564

34.5.2

DTCENi Registers (i = 0 to 3, 5, 6) .................................................................................................. 564

34.5.3

Peripheral Modules ........................................................................................................................... 564

34.6

Notes on Timer RA ............................................................................................................................... 565

34.7

Notes on Timer RB ................................................................................................................................ 566

34.7.1

Timer Mode ...................................................................................................................................... 566

34.7.2

Programmable Waveform Generation Mode .................................................................................... 566

34.7.3

Programmable One-shot Generation Mode ...................................................................................... 566

34.7.4

Programmable Wait One-shot Generation Mode ............................................................................. 567

34.8

Notes on Timer RC ................................................................................................................................ 568

34.8.1

TRC Register .................................................................................................................................... 568

34.8.2

TRCSR Register .............................................................................................................................. 568

34.8.3

TRCCR1 Register ............................................................................................................................. 568

34.8.4

Count Source Switching ................................................................................................................... 568

34.8.5

Input Capture Function ..................................................................................................................... 569

34.8.6

TRCMR Register in PWM2 Mode ................................................................................................... 569

34.8.7

Count Source fOCO40M .................................................................................................................. 569

34.9

Notes on Timer RE ................................................................................................................................ 570

34.9.1

Starting and Stopping Count ............................................................................................................. 570

34.9.2

Register Setting ................................................................................................................................. 570

34.9.3

Time Reading Procedure of Real-Time Clock Mode ....................................................................... 572

34.10

Notes on Serial Interface (UARTi (i = 0 or 1)) ..................................................................................... 573

34.11

Notes on Serial Interface (UART2) ....................................................................................................... 574

34.11.1

Clock Synchronous Serial I/O Mode ................................................................................................ 574

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