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R5F21294SNSP Datasheet(PDF) 10 Page - Renesas Technology Corp |
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R5F21294SNSP Datasheet(HTML) 10 Page - Renesas Technology Corp |
10 / 471 page A - 3 11. Protection .................................................................................................................................... 102 12. Interrupts ..................................................................................................................................... 103 12.1 Interrupt Overview ................................................................................................................................ 103 12.1.1 Types of Interrupts ............................................................................................................................ 103 12.1.2 Software Interrupts ........................................................................................................................... 104 12.1.3 Special Interrupts .............................................................................................................................. 105 12.1.4 Peripheral Function Interrupt ............................................................................................................ 105 12.1.5 Interrupts and Interrupt Vectors ........................................................................................................ 106 12.1.6 Interrupt Control ............................................................................................................................... 108 12.2 INT Interrupt ......................................................................................................................................... 117 12.2.1 INTi Interrupt (i = 0, 1, 3) ................................................................................................................. 117 12.2.2 INTi Input Filter (i = 0, 1, 3) ............................................................................................................. 119 12.3 Key Input Interrupt ................................................................................................................................ 120 12.4 Address Match Interrupt ........................................................................................................................ 122 12.5 Timer RC Interrupt, Clock Synchronous Serial I/O with Chip Select Interrupts, and I2C bus Interface Interrupt (Interrupts with Multiple Interrupt Request Sources) ............................................................ 124 12.6 Notes on Interrupts ................................................................................................................................ 126 12.6.1 Reading Address 00000h .................................................................................................................. 126 12.6.2 SP Setting .......................................................................................................................................... 126 12.6.3 External Interrupt and Key Input Interrupt ....................................................................................... 126 12.6.4 Changing Interrupt Sources .............................................................................................................. 127 12.6.5 Changing Interrupt Control Register Contents ................................................................................. 128 13. Watchdog Timer .......................................................................................................................... 129 13.1 Count Source Protection Mode Disabled .............................................................................................. 132 13.2 Count Source Protection Mode Enabled ............................................................................................... 133 14. Timers ......................................................................................................................................... 134 14.1 Timer RA ............................................................................................................................................... 136 14.1.1 Timer Mode ...................................................................................................................................... 139 14.1.2 Pulse Output Mode ........................................................................................................................... 141 14.1.3 Event Counter Mode ......................................................................................................................... 143 14.1.4 Pulse Width Measurement Mode ...................................................................................................... 145 14.1.5 Pulse Period Measurement Mode ..................................................................................................... 148 14.1.6 Notes on TImer RA ........................................................................................................................... 151 14.2 Timer RB ............................................................................................................................................... 152 14.2.1 Timer Mode ...................................................................................................................................... 156 14.2.2 Programmable Waveform Generation Mode .................................................................................... 159 14.2.3 Programmable One-shot Generation Mode ...................................................................................... 162 14.2.4 Programmable Wait One-Shot Generation Mode ............................................................................. 166 14.2.5 Notes on Timer RB ........................................................................................................................... 169 14.3 Timer RC ............................................................................................................................................... 173 14.3.1 Overview ........................................................................................................................................... 173 14.3.2 Registers Associated with Timer RC ................................................................................................ 175 14.3.3 Common Items for Multiple Modes ................................................................................................. 185 14.3.4 Timer Mode (Input Capture Function) ............................................................................................. 191 14.3.5 Timer Mode (Output Compare Function) ......................................................................................... 196 14.3.6 PWM Mode ....................................................................................................................................... 202 |
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