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R8C-20 Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R8C-20 Datasheet(HTML) 9 Page - Renesas Technology Corp |
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9 / 501 page  A - 2 6.1.2 Monitoring Vdet2 ............................................................................................................................... 34 6.2 Voltage Monitor 1 Reset ......................................................................................................................... 35 6.3 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 36 7. Programmable I/O Ports ............................................................................................................... 38 7.1 Functions of Programmable I/O Ports ..................................................................................................... 38 7.2 Effect on Peripheral Functions ................................................................................................................ 39 7.3 Pins Other than Programmable I/O Ports ................................................................................................ 39 7.4 Port Settings ............................................................................................................................................ 50 7.5 Unassigned Pin Handling ........................................................................................................................ 61 8. Processor Mode ............................................................................................................................ 62 8.1 Processor Modes ...................................................................................................................................... 62 9. Bus ................................................................................................................................................ 63 10. Clock Generation Circuit ............................................................................................................... 64 10.1 XIN Clock ............................................................................................................................................... 71 10.2 On-Chip Oscillator Clocks ...................................................................................................................... 72 10.2.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 72 10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 72 10.3 CPU Clock and Peripheral Function Clock ............................................................................................. 73 10.3.1 System Clock ...................................................................................................................................... 73 10.3.2 CPU Clock .......................................................................................................................................... 73 10.3.3 Peripheral Function Clock (f1, f2, f4, f8 and f32) .............................................................................. 73 10.3.4 fOCO ................................................................................................................................................... 73 10.3.5 fOCO40M ........................................................................................................................................... 73 10.3.6 fOCO-F ............................................................................................................................................... 73 10.3.7 fOCO-S ............................................................................................................................................... 73 10.3.8 fOCO128 ............................................................................................................................................. 73 10.4 Power Control .......................................................................................................................................... 74 10.4.1 Standard Operating Mode ................................................................................................................... 74 10.4.2 Wait Mode .......................................................................................................................................... 75 10.4.3 Stop Mode ........................................................................................................................................... 79 10.5 Oscillation Stop Detection Function ....................................................................................................... 82 10.5.1 How to Use Oscillation Stop Detection Function ............................................................................... 82 10.6 Notes on Clock Generation Circuit ......................................................................................................... 85 10.6.1 Stop Mode ........................................................................................................................................... 85 10.6.2 Wait Mode .......................................................................................................................................... 85 10.6.3 Oscillation Stop Detection Function ................................................................................................... 85 10.6.4 Oscillation Circuit Constants .............................................................................................................. 85 11. Protection ...................................................................................................................................... 86 12. Interrupts ....................................................................................................................................... 87 12.1 Interrupt Overview .................................................................................................................................. 87 12.1.1 Types of Interrupts .............................................................................................................................. 87 12.1.2 Software Interrupts ............................................................................................................................. 88 12.1.3 Special Interrupts ................................................................................................................................ 89 |
Similar Part No. - R8C-20_1 |
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Similar Description - R8C-20_1 |
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