R8C2K datasheet(10/471 Pages) RENESAS

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11.

Protection ...................................................................................................................................... 96

12.

Interrupts ....................................................................................................................................... 97

12.1

Interrupt Overview .................................................................................................................................. 97

12.1.1

Types of Interrupts .............................................................................................................................. 97

12.1.2

Software Interrupts ............................................................................................................................. 98

12.1.3

Special Interrupts ................................................................................................................................ 99

12.1.4

Peripheral Function Interrupt .............................................................................................................. 99

12.1.5

Interrupts and Interrupt Vectors ........................................................................................................ 100

12.1.6

Interrupt Control ............................................................................................................................... 102

12.2

INT Interrupt ......................................................................................................................................... 111

12.2.1

INTi Interrupt (i = 0, 1, 3) ................................................................................................................. 111

12.2.2

INTi Input Filter (i = 0, 1, 3) ............................................................................................................. 113

12.3

Key Input Interrupt ................................................................................................................................ 114

12.4

Address Match Interrupt ........................................................................................................................ 116

12.5

Timer RC Interrupt, Timer RD Interrupt (Interrupts with Multiple Interrupt Request Sources) .......... 118

12.6

Notes on Interrupts ................................................................................................................................ 120

12.6.1

Reading Address 00000h .................................................................................................................. 120

12.6.2

SP Setting .......................................................................................................................................... 120

12.6.3

External Interrupt and Key Input Interrupt ....................................................................................... 120

12.6.4

Changing Interrupt Sources .............................................................................................................. 121

12.6.5

Changing Interrupt Control Register Contents ................................................................................. 122

13.

ID Code Areas ............................................................................................................................ 123

13.1

Overview ............................................................................................................................................... 123

13.2

Functions ............................................................................................................................................... 123

13.3

Notes on ID Code Areas ........................................................................................................................ 124

13.3.1

Setting Example of ID Code Areas ................................................................................................... 124

14.

Option Function Select Area ....................................................................................................... 125

14.1

Overview ............................................................................................................................................... 125

14.2

OFS Register ......................................................................................................................................... 126

14.3

Notes on Option Function Select Area .................................................................................................. 127

14.3.1

Setting Example of Option Function Select Area ............................................................................. 127

15.

Watchdog Timer .......................................................................................................................... 128

15.1

Count Source Protection Mode Disabled .............................................................................................. 132

15.2

Count Source Protection Mode Enabled ............................................................................................... 133

16.

Timers ......................................................................................................................................... 134

16.1

Timer RA ............................................................................................................................................... 136

16.1.1

Timer Mode ...................................................................................................................................... 139

16.1.2

Pulse Output Mode ........................................................................................................................... 141

16.1.3

Event Counter Mode ......................................................................................................................... 143

16.1.4

Pulse Width Measurement Mode ...................................................................................................... 145

16.1.5

Pulse Period Measurement Mode ..................................................................................................... 148

16.1.6

Notes on Timer RA ........................................................................................................................... 151

16.2

Timer RB ............................................................................................................................................... 152

16.2.1

Timer Mode ...................................................................................................................................... 157

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