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R26 Datasheet(PDF) 11 Page - Renesas Technology Corp |
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R26 Datasheet(HTML) 11 Page - Renesas Technology Corp |
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11 / 487 page  A - 2 6. Voltage Detection Circuit .............................................................................................................. 34 6.1 VCC Input Voltage .................................................................................................................................. 45 6.1.1 Monitoring Vdet0 ............................................................................................................................... 45 6.1.2 Monitoring Vdet1 ............................................................................................................................... 45 6.1.3 Monitoring Vdet2 ............................................................................................................................... 45 6.2 Voltage Monitor 0 Reset (For N, D Version Only) ................................................................................. 46 6.3 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset (N, D Version) ............................................ 47 6.4 Voltage Monitor 1 Reset (J, K Version) .................................................................................................. 49 6.5 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 50 7. Programmable I/O Ports ............................................................................................................... 52 7.1 Functions of Programmable I/O Ports ..................................................................................................... 52 7.2 Effect on Peripheral Functions ................................................................................................................ 53 7.3 Pins Other than Programmable I/O Ports ................................................................................................ 53 7.4 Port Setting .............................................................................................................................................. 65 7.5 Unassigned Pin Handling ........................................................................................................................ 76 8. Processor Mode ............................................................................................................................ 77 8.1 Processor Modes ...................................................................................................................................... 77 9. Bus ................................................................................................................................................ 78 10. Clock Generation Circuit ............................................................................................................... 79 10.1 XIN Clock ............................................................................................................................................... 89 10.2 On-Chip Oscillator Clocks ...................................................................................................................... 90 10.2.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 90 10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 90 10.3 XCIN Clock (For N, D Version Only) .................................................................................................... 91 10.4 CPU Clock and Peripheral Function Clock ............................................................................................. 92 10.4.1 System Clock ...................................................................................................................................... 92 10.4.2 CPU Clock .......................................................................................................................................... 92 10.4.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 92 10.4.4 fOCO ................................................................................................................................................... 92 10.4.5 fOCO40M ........................................................................................................................................... 92 10.4.6 fOCO-F ............................................................................................................................................... 92 10.4.7 fOCO-S ............................................................................................................................................... 92 10.4.8 fC4 and fC32 ....................................................................................................................................... 93 10.4.9 fOCO128 ............................................................................................................................................. 93 10.5 Power Control .......................................................................................................................................... 94 10.5.1 Standard Operating Mode ................................................................................................................... 94 10.5.2 Wait Mode .......................................................................................................................................... 96 10.5.3 Stop Mode ......................................................................................................................................... 100 10.6 Oscillation Stop Detection Function ..................................................................................................... 104 10.6.1 How to Use Oscillation Stop Detection Function ............................................................................. 104 10.7 Notes on Clock Generation Circuit ....................................................................................................... 108 10.7.1 Stop Mode ......................................................................................................................................... 108 10.7.2 Wait Mode ........................................................................................................................................ 108 10.7.3 Oscillation Stop Detection Function ................................................................................................. 108 10.7.4 Oscillation Circuit Constants ............................................................................................................ 108 |
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Similar Description - R26 |
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