R5F21142DSP datasheet(7/277 Pages) RENESAS

Part #	R5F21142DSP

Description	16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / R8C/Tiny SERIES

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Manufacturer	RENESAS [Renesas Technology Corp]

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9.4.1

Normal Operating Mode .....................................................................48

9.4.2

Wait Mode ..........................................................................................49

9.4.3

Stop Mode ..........................................................................................51

9.5

Oscillation Stop Detection Function ..........................................................53

9.5.1

How to Use Oscillation Stop Detection Function ................................53

10. Protection

55

11. Interrupt

56

11.1

Interrupt Overview .....................................................................................56

11.1.1

Types of Interrupts..............................................................................56

11.1.2

Software Interrupts .............................................................................57

11.1.3

Special Interrupts................................................................................58

11.1.4

Peripheral Function Interrupt ..............................................................58

11.1.5

Interrupts and Interrupt Vector............................................................59

11.1.6

Interrupt Control..................................................................................61

11.2

INT Interrupt ..............................................................................................69

11.2.1

INT0 Interrupt .....................................................................................69

11.2.2

INT0 Input Filter..................................................................................70

11.2.3

INT1 Interrupt .....................................................................................71

11.2.4

INT3 Interrupt .....................................................................................72

11.3

Key Input Interrupt.....................................................................................74

11.4

Address Match Interrupt ............................................................................76

12. Watchdog Timer

78

12.1

When Count Source Protection Mode Disabled........................................81

12.2

When Count Source Protection Mode Enabled.........................................82

13. Timers

83

13.1

Timer X......................................................................................................84

13.1.1

Timer Mode ........................................................................................87

13.1.2

Pulse Output Mode.............................................................................88

13.1.3

Event Counter Mode...........................................................................90

13.1.4

Pulse Width Measurement Mode .......................................................92

13.1.5

Pulse Period Measurement Mode ......................................................95

13.2

Timer Z ......................................................................................................98

13.2.1

Timer Mode ......................................................................................103

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