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R5F21286JSP Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R5F21286JSP Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 471 page A - 2 6. Voltage Detection Circuit .............................................................................................................. 32 6.1 VCC Input Voltage .................................................................................................................................. 43 6.1.1 Monitoring Vdet0 ............................................................................................................................... 43 6.1.2 Monitoring Vdet1 ............................................................................................................................... 43 6.1.3 Monitoring Vdet2 ............................................................................................................................... 43 6.2 Voltage Monitor 0 Reset (For N, D Version only) .................................................................................. 44 6.3 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset (N, D Version) ............................................ 45 6.4 Voltage Monitor 1 Reset (J, K Version) .................................................................................................. 47 6.5 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 48 7. Programmable I/O Ports ............................................................................................................... 50 7.1 Functions of Programmable I/O Ports ..................................................................................................... 50 7.2 Effect on Peripheral Functions ................................................................................................................ 51 7.3 Pins Other than Programmable I/O Ports ................................................................................................ 51 7.4 Port Settings ............................................................................................................................................ 61 7.5 Unassigned Pin Handling ........................................................................................................................ 69 8. Processor Mode ............................................................................................................................ 70 8.1 Processor Modes ...................................................................................................................................... 70 9. Bus ................................................................................................................................................ 71 10. Clock Generation Circuit ............................................................................................................... 72 10.1 XIN Clock ............................................................................................................................................... 82 10.2 On-Chip Oscillator Clocks ...................................................................................................................... 83 10.2.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 83 10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 83 10.3 XCIN Clock (For N, D Version Only) .................................................................................................... 84 10.4 CPU Clock and Peripheral Function Clock ............................................................................................. 85 10.4.1 System Clock ...................................................................................................................................... 85 10.4.2 CPU Clock .......................................................................................................................................... 85 10.4.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 85 10.4.4 fOCO ................................................................................................................................................... 85 10.4.5 fOCO40M ........................................................................................................................................... 85 10.4.6 fOCO-F ............................................................................................................................................... 85 10.4.7 fOCO-S ............................................................................................................................................... 85 10.4.8 fC4 and fC32 ....................................................................................................................................... 86 10.4.9 fOCO128 ............................................................................................................................................. 86 10.5 Power Control .......................................................................................................................................... 87 10.5.1 Standard Operating Mode ................................................................................................................... 87 10.5.2 Wait Mode .......................................................................................................................................... 89 10.5.3 Stop Mode ........................................................................................................................................... 93 10.6 Oscillation Stop Detection Function ....................................................................................................... 97 10.6.1 How to Use Oscillation Stop Detection Function ............................................................................... 97 10.7 Notes on Clock Generation Circuit ....................................................................................................... 101 10.7.1 Stop Mode ......................................................................................................................................... 101 10.7.2 Wait Mode ........................................................................................................................................ 101 10.7.3 Oscillation Stop Detection Function ................................................................................................. 101 10.7.4 Oscillation Circuit Constants ............................................................................................................ 101 |
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