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R5F212AASNFP Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R5F212AASNFP Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 58 page A - 2 6. Voltage Detection Circuit .............................................................................................................. 42 6.1 VCC Input Voltage .................................................................................................................................. 49 6.1.1 Monitoring Vdet0 ............................................................................................................................... 49 6.1.2 Monitoring Vdet1 ............................................................................................................................... 49 6.1.3 Monitoring Vdet2 ............................................................................................................................... 49 6.2 Voltage Monitor 0 Reset ......................................................................................................................... 50 6.3 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset ..................................................................... 51 6.4 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 53 7. Programmable I/O Ports ............................................................................................................... 55 7.1 Functions of Programmable I/O Ports ..................................................................................................... 55 7.2 Effect on Peripheral Functions ................................................................................................................ 56 7.3 Pins Other than Programmable I/O Ports ................................................................................................ 56 7.4 Port settings ............................................................................................................................................. 72 7.5 Unassigned Pin Handling ........................................................................................................................ 89 8. Processor Mode ............................................................................................................................ 90 8.1 Processor Modes ...................................................................................................................................... 90 9. Bus ................................................................................................................................................ 91 10. Clock Generation Circuit ............................................................................................................... 93 10.1 XIN Clock ............................................................................................................................................. 103 10.2 On-Chip Oscillator Clocks .................................................................................................................... 104 10.2.1 Low-Speed On-Chip Oscillator Clock .............................................................................................. 104 10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................. 104 10.3 XCIN Clock ........................................................................................................................................... 105 10.4 CPU Clock and Peripheral Function Clock ........................................................................................... 106 10.4.1 System Clock .................................................................................................................................... 106 10.4.2 CPU Clock ........................................................................................................................................ 106 10.4.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ........................................................................... 106 10.4.4 fOCO ................................................................................................................................................. 106 10.4.5 fOCO40M ......................................................................................................................................... 106 10.4.6 fOCO-F ............................................................................................................................................. 106 10.4.7 fOCO-S ............................................................................................................................................. 106 10.4.8 fOCO128 ........................................................................................................................................... 106 10.4.9 fC4 and fC32 ..................................................................................................................................... 107 10.5 Power Control ........................................................................................................................................ 108 10.5.1 Standard Operating Mode ................................................................................................................. 108 10.5.2 Wait Mode ........................................................................................................................................ 110 10.5.3 Stop Mode ......................................................................................................................................... 114 10.6 Oscillation Stop Detection Function ..................................................................................................... 117 10.6.1 How to Use Oscillation Stop Detection Function ............................................................................. 117 10.7 Notes on Clock Generation Circuit ....................................................................................................... 120 10.7.1 Stop Mode ......................................................................................................................................... 120 10.7.2 Wait Mode ........................................................................................................................................ 120 10.7.3 Oscillation Stop Detection Function ................................................................................................. 120 10.7.4 Oscillation Circuit Constants ............................................................................................................ 120 |
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