R8C2G 查看數據表（PDF） - Renesas Electronics
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R8C2G Datasheet PDF : 344 Pages
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6.1.2 Monitoring Vdet1 ............................................................................................................................... 40
6.1.3 Monitoring Vdet2 ............................................................................................................................... 40
6.2 Voltage Monitor 0 Reset ......................................................................................................................... 41
6.3 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset ..................................................................... 42
6.4 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 44
7. Comparator ................................................................................................................................... 46
7.1 Overview ................................................................................................................................................. 46
7.2 Register Description ................................................................................................................................ 48
7.3 Monitoring Comparison Results ............................................................................................................. 55
7.3.1 Monitoring Comparator 1 ................................................................................................................... 55
7.3.2 Monitoring Comparator 2 ................................................................................................................... 55
7.4 Functional Description ............................................................................................................................ 56
7.4.1 Comparator 1 ...................................................................................................................................... 56
7.4.2 Comparator 2 ...................................................................................................................................... 59
7.5 Comparator 1 and Comparator 2 Interrupts ............................................................................................ 62
7.5.1 Non-Maskable Interrupts .................................................................................................................... 62
7.5.2 Maskable Interrupts ............................................................................................................................ 62
7.6 Adjusting Internal Reference Voltage (Vref) .......................................................................................... 63
8. I/O Ports ........................................................................................................................................ 65
8.1 Functions of I/O Ports ............................................................................................................................. 65
8.2 Effect on Peripheral Functions ................................................................................................................ 66
8.3 Pins Other than Programmable I/O Ports ................................................................................................ 66
8.4 Port Setting .............................................................................................................................................. 75
8.5 Unassigned Pin Handling ........................................................................................................................ 83
8.6 Notes on I/O Ports ................................................................................................................................... 84
8.6.1 Port P4_3, P4_4 .................................................................................................................................. 84
9. Processor Mode ............................................................................................................................ 85
9.1 Processor Modes ...................................................................................................................................... 85
10. Bus ................................................................................................................................................ 86
11. Clock Generation Circuit ............................................................................................................... 87
11.1 On-Chip Oscillator Clocks ...................................................................................................................... 96
11.1.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 96
11.1.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 96
11.2 XCIN Clock ............................................................................................................................................. 97
11.3 CPU Clock and Peripheral Function Clock ............................................................................................. 98
11.3.1 System Clock ...................................................................................................................................... 98
11.3.2 CPU Clock .......................................................................................................................................... 98
11.3.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 98
11.3.4 fOCO ................................................................................................................................................... 98
11.3.5 fOCO-F ............................................................................................................................................... 98
11.3.6 fOCO-S ............................................................................................................................................... 98
11.3.7 fC4 and fC32 ....................................................................................................................................... 98
11.4 Power Control .......................................................................................................................................... 99
11.4.1 Standard Operating Mode ................................................................................................................... 99
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