R5F212E2NXXXFP 데이터 시트보기 (PDF) - Renesas Electronics
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R5F212E2NXXXFP Datasheet PDF : 354 Pages
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6.1.1 Monitoring Vdet1 ............................................................................................................................... 36
6.1.2 Monitoring Vdet2 ............................................................................................................................... 36
6.2 Voltage Monitor 1 Interrupt and Voltage Monitor 1 Reset ..................................................................... 37
6.3 Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 39
7. Programmable I/O Ports ............................................................................................................... 41
7.1 Functions of Programmable I/O Ports ..................................................................................................... 41
7.2 Effect on Peripheral Functions ................................................................................................................ 42
7.3 Pins Other than Programmable I/O Ports ................................................................................................ 42
7.4 Port Setting .............................................................................................................................................. 52
7.5 Unassigned Pin Handling ........................................................................................................................ 62
8. Processor Mode ............................................................................................................................ 63
8.1 Processor Modes ...................................................................................................................................... 63
9. Bus ................................................................................................................................................ 64
10. Clock Generation Circuit ............................................................................................................... 65
10.1 XIN Clock ............................................................................................................................................... 73
10.2 On-Chip Oscillator Clocks ...................................................................................................................... 74
10.2.1 Low-Speed On-Chip Oscillator Clock ................................................................................................ 74
10.2.2 High-Speed On-Chip Oscillator Clock ............................................................................................... 74
10.3 CPU Clock and Peripheral Function Clock ............................................................................................. 75
10.3.1 System Clock ...................................................................................................................................... 75
10.3.2 CPU Clock .......................................................................................................................................... 75
10.3.3 Peripheral Function Clock (f1, f2, f4, f8, and f32) ............................................................................. 75
10.3.4 fOCO ................................................................................................................................................... 75
10.3.5 fOCO40M ........................................................................................................................................... 75
10.3.6 fOCO-F ............................................................................................................................................... 75
10.3.7 fOCO-S ............................................................................................................................................... 75
10.3.8 fOCO128 ............................................................................................................................................. 75
10.4 Power Control .......................................................................................................................................... 76
10.4.1 Standard Operating Mode ................................................................................................................... 76
10.4.2 Wait Mode .......................................................................................................................................... 78
10.4.3 Stop Mode ........................................................................................................................................... 82
10.5 Oscillation Stop Detection Function ....................................................................................................... 85
10.5.1 How to Use Oscillation Stop Detection Function ............................................................................... 85
10.6 Notes on Clock Generation Circuit ......................................................................................................... 88
10.6.1 Stop Mode ........................................................................................................................................... 88
10.6.2 Wait Mode .......................................................................................................................................... 88
10.6.3 Oscillation Stop Detection Function ................................................................................................... 88
10.6.4 Oscillation Circuit Constants .............................................................................................................. 88
11. Protection ...................................................................................................................................... 89
12. Interrupts ....................................................................................................................................... 90
12.1 Interrupt Overview .................................................................................................................................. 90
12.1.1 Types of Interrupts .............................................................................................................................. 90
12.1.2 Software Interrupts ............................................................................................................................. 91
A-2
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