R8C13 datasheet(6/224 Pages) RENESAS

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A-2

5.4 Voltage Detection Circuit ............................................................................................. 21

5.4.1 Voltage Detection Interrupt .................................................................................................................. 26

5.4.2 Exiting Stop Mode on a Voltage Detection Interrupt ......................................................................... 28

Chapter 6. Clock Generating Circuit.................................. 29

6.1 Main Clock ..................................................................................................................... 34

6.2 On-Chip Oscillator Clock ............................................................................................. 35

6.2.1 Low-speed On-Chip Oscillator ............................................................................................................ 35

6.2.2 High-speed On-Chip Oscillator ............................................................................................................ 35

6.3 CPU Clock and Peripheral Function Clock ................................................................ 36

6.3.1 CPU Clock .............................................................................................................................................. 36

6.3.2 Peripheral Function Clock (f1, f2, f8, f32, fAD, f1SIO, f8SIO, f32SIO) ....................................................... 36

6.3.3 fRING and fRING128 ...................................................................................................................................................................36

6.3.4 fRING-fast ......................................................................................................................................................................................36

6.4 Power Control ...............................................................................................................37

6.4.1 Normal Operation Mode ....................................................................................................................... 37

6.4.2 Wait Mode .............................................................................................................................................. 39

6.4.3 Stop Mode .............................................................................................................................................. 40

6.5 Oscillation Stop Detection Function ........................................................................... 42

6.5.1 How to Use Oscillation Stop Detection Function .............................................................................. 42

Chapter 7. Protection .......................................................... 44

Chapter 8. Processor Mode ................................................ 45

8.1 Types of Processor Mode ............................................................................................ 45

Chapter 9. Bus ..................................................................... 46

Chapter 10. Interrupt ........................................................... 47

10.1 Interrupt Overview ...................................................................................................... 47

10.1.1 Type of Interrupts ................................................................................................................................ 47

10.1.2 Software Interrupts ............................................................................................................................. 48

10.1.3 Hardware Interrupts ............................................................................................................................ 49

10.1.4 Interrupts and Interrupt Vector .......................................................................................................... 50

10.1.5 Interrupt Control ................................................................................................................................. 52

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10.2 INT Interrupt ................................................................................................................ 60

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10.2.1 INT0 Interrupt ...................................................................................................................................... 60

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10.2.2 INT0 Input Filter ................................................................................................................................... 61

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10.2.3 INT1 Interrupt and INT2 Interrupt ...................................................................................................... 62

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10.2.4 INT3 Interrupt ...................................................................................................................................... 63

10.3 Key Input Interrupt ..................................................................................................... 65

10.4 Address Match Interrupt ............................................................................................ 66

Chapter 11. Watchdog Timer .............................................. 68

Chapter 12. Timers .............................................................. 70

12.1 Timer X ........................................................................................................................ 71

R8C13 Datasheet(PDF) 6 Page - Renesas Technology Corp

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