R5F212L2SDXXXFP データシートの表示（PDF） - Renesas Electronics
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R5F212L2SDXXXFP Datasheet PDF : 471 Pages
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6. Voltage Detection Circuit .............................................................................................................. 32
6.1 VCC Input Voltage .................................................................................................................................. 39
6.1.1 Monitoring Vdet0 ............................................................................................................................... 39
6.1.2 Monitoring Vdet1 ............................................................................................................................... 39
6.1.3 Monitoring Vdet2 ............................................................................................................................... 39
6.2 Voltage Monitor 0 Reset ......................................................................................................................... 40
6.3 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset ..................................................................... 41
6.4 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 43
7. Programmable I/O Ports ............................................................................................................... 45
7.1 Functions of Programmable I/O Ports ..................................................................................................... 45
7.2 Effect on Peripheral Functions ................................................................................................................ 46
7.3 Pins Other than Programmable I/O Ports ................................................................................................ 46
7.4 Port settings ............................................................................................................................................. 58
7.5 Unassigned Pin Handling ........................................................................................................................ 68
8. Processor Mode ............................................................................................................................ 69
8.1 Processor Modes ...................................................................................................................................... 69
9. Bus ................................................................................................................................................ 70
10. Clock Generation Circuit ............................................................................................................... 71
10.1 XIN Clock ............................................................................................................................................... 81
10.2 On-Chip Oscillator Clocks ...................................................................................................................... 82
10.2.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 82
10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 82
10.3 CPU Clock and Peripheral Function Clock ............................................................................................. 83
10.3.1 System Clock ...................................................................................................................................... 83
10.3.2 CPU Clock .......................................................................................................................................... 83
10.3.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 83
10.3.4 fOCO ................................................................................................................................................... 83
10.3.5 fOCO40M ........................................................................................................................................... 83
10.3.6 fOCO-F ............................................................................................................................................... 83
10.3.7 fOCO-S ............................................................................................................................................... 83
10.3.8 fOCO128 ............................................................................................................................................. 83
10.4 Power Control .......................................................................................................................................... 84
10.4.1 Standard Operating Mode ................................................................................................................... 84
10.4.2 Wait Mode .......................................................................................................................................... 86
10.4.3 Stop Mode ........................................................................................................................................... 89
10.5 Oscillation Stop Detection Function ....................................................................................................... 92
10.5.1 How to Use Oscillation Stop Detection Function ............................................................................... 92
10.6 Notes on Clock Generation Circuit ......................................................................................................... 95
10.6.1 Stop Mode ........................................................................................................................................... 95
10.6.2 Wait Mode .......................................................................................................................................... 95
10.6.3 Oscillation Stop Detection Function ................................................................................................... 95
10.6.4 Oscillation Circuit Constants .............................................................................................................. 95
A-2
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