Renesas R8C/20 User Manual

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12.1.4 Peripheral Function Interrupt .............................................................................................................. 89
12.1.5 Interrupts and Interrupt Vector ........................................................................................................... 90
12.1.6 Interrupt Control ................................................................................................................................. 92
12.2 INT
Interrupt ......................................................................................................................................... 101
12.2.1 INTi
Interrupt (i = 0 to 3) .................................................................................................................. 101
12.2.2 INTi
Input Filter (i = 0 to 3) .............................................................................................................. 103
12.3 Key Input Interrupt ................................................................................................................................ 104
12.4 Address Match Interrupt ........................................................................................................................ 106
12.5 Timer RD Interrupt, Clock Synchronous Serial I/O with Chip Select Interrupts and I
2
C bus Interface
Interrupts (Interrupts with Multiple Interrupt Request Sources) ........................................................... 108
12.6 Notes on Interrupts ................................................................................................................................ 110
12.6.1 Reading Address 00000h .................................................................................................................. 110
12.6.2 SP Setting .......................................................................................................................................... 110
12.6.3 External Interrupt and Key Input Interrupt ....................................................................................... 110
12.6.4 Changing Interrupt Sources .............................................................................................................. 111
12.6.5 Changing Interrupt Control Register Contents ................................................................................. 112
13. Watchdog Timer ........................................................................................................................... 113
13.1 Count Source Protection Mode Disabled .............................................................................................. 116
13.2 Count Source Protection Mode Enabled ............................................................................................... 117
14. Timers .......................................................................................................................................... 118
14.1 Timer RA ............................................................................................................................................... 120
14.1.1 Timer Mode ...................................................................................................................................... 124
14.1.2 Pulse Output Mode ........................................................................................................................... 126
14.1.3 Event Counter Mode ......................................................................................................................... 128
14.1.4 Pulse Width Measurement Mode ...................................................................................................... 130
14.1.5 Pulse Period Measurement Mode ..................................................................................................... 133
14.1.6 Notes on Timer RA ........................................................................................................................... 136
14.2 Timer RB ............................................................................................................................................... 137
14.2.1 Timer Mode ...................................................................................................................................... 141
14.2.2 Programmable Waveform Generation Mode .................................................................................... 144
14.2.3 Programmable One-shot Generation Mode ...................................................................................... 147
14.2.4 Programmable Wait One-shot Generation Mode ............................................................................. 151
14.2.5 Notes on Timer RB ........................................................................................................................... 155
14.3 Timer RD ............................................................................................................................................... 159
14.3.1 Count Source ..................................................................................................................................... 164
14.3.2 Buffer Operation ............................................................................................................................... 165
14.3.3 Synchronous Operation ..................................................................................................................... 167
14.3.4 Pulse Output Forced Cutoff .............................................................................................................. 168
14.3.5 Input Capture Function ..................................................................................................................... 170
14.3.6 Output Compare Function ................................................................................................................ 184
14.3.7 PWM Mode ....................................................................................................................................... 200
14.3.8 Reset Synchronous PWM Mode ....................................................................................................... 213
14.3.9 Complementary PWM Mode ............................................................................................................ 223
14.3.10 PWM3 Mode ..................................................................................................................................... 237
14.3.11 Timer RD Interrupt ........................................................................................................................... 249
14.3.12 Notes on Timer RD ........................................................................................................................... 251
14.4 Timer RE ............................................................................................................................................... 257

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English