A - 3

12.1.3

Special Interrupts ................................................................................................................................ 92

12.1.4

Peripheral Function Interrupt .............................................................................................................. 92

12.1.5

Interrupts and Interrupt Vectors .......................................................................................................... 93

12.1.6

Interrupt Control ................................................................................................................................. 95

12.2

INT Interrupt ......................................................................................................................................... 104

12.2.1

INTi Interrupt (i = 0, 1, 3) ................................................................................................................. 104

12.2.2

INTi Input Filter (i = 0, 1, 3) ............................................................................................................. 106

12.3

Key Input Interrupt ................................................................................................................................ 107

12.4

Address Match Interrupt ........................................................................................................................ 109

12.5

Timer RC Interrupt, Comparator 0 Interrupt, and Comparator 1 Interrupt ........................................... 111

12.6

Notes on Interrupts ................................................................................................................................ 112

12.6.1

Reading Address 00000h .................................................................................................................. 112

12.6.2

SP Setting .......................................................................................................................................... 112

12.6.3

External Interrupt and Key Input Interrupt ....................................................................................... 112

12.6.4

Changing Interrupt Sources .............................................................................................................. 113

12.6.5

Changing Interrupt Control Register Contents ................................................................................. 114

13.

Watchdog Timer ........................................................................................................................... 115

13.1

Count Source Protection Mode Disabled .............................................................................................. 118

13.2

Count Source Protection Mode Enabled ............................................................................................... 119

14.

Timers ......................................................................................................................................... 120

14.1

Timer RA ............................................................................................................................................... 122

14.1.1

Timer Mode ...................................................................................................................................... 125

14.1.2

Pulse Output Mode ........................................................................................................................... 127

14.1.3

Event Counter Mode ......................................................................................................................... 129

14.1.4

Pulse Width Measurement Mode ...................................................................................................... 131

14.1.5

Pulse Period Measurement Mode ..................................................................................................... 134

14.1.6

Notes on Timer RA ........................................................................................................................... 137

14.2

Timer RB ............................................................................................................................................... 138

14.2.1

Timer Mode ...................................................................................................................................... 142

14.2.2

Programmable Waveform Generation Mode .................................................................................... 145

14.2.3

Programmable One-shot Generation Mode ...................................................................................... 148

14.2.4

Programmable Wait One-Shot Generation Mode ............................................................................. 152

14.2.5

Notes on Timer RB ........................................................................................................................... 155

14.3

Timer RC ............................................................................................................................................... 159

14.3.1

Overview ........................................................................................................................................... 159

14.3.2

Registers Associated with Timer RC ................................................................................................ 161

14.3.3

Common Items for Multiple Modes ................................................................................................. 171

14.3.4

Timer Mode (Input Capture Function) ............................................................................................. 177

14.3.5

Timer Mode (Output Compare Function) ......................................................................................... 182

14.3.6

PWM Mode ....................................................................................................................................... 188

14.3.7

PWM2 Mode ..................................................................................................................................... 193

14.3.8

Timer RC Interrupt ........................................................................................................................... 199

14.3.9

Notes on Timer RC ........................................................................................................................... 200

14.4

Timer RE ............................................................................................................................................... 201

14.4.1

Output Compare Mode ..................................................................................................................... 202

14.4.2

Notes on Timer RE ........................................................................................................................... 206