R8CSLASH23 datasheet(9/549 Pages) RENESAS

9 / 549 page

A - 2

6.1.2

Monitoring Vdet2 ............................................................................................................................... 41

6.2

Voltage Monitor 1 Reset ......................................................................................................................... 42

6.3

Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset ..................................................................... 43

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 ............................................................................................................................................ 57

7.5

Unassigned Pin Handling ........................................................................................................................ 68

Processor Mode ............................................................................................................................ 69

8.1

Processor Modes ...................................................................................................................................... 69

Bus ................................................................................................................................................ 70

10.

Clock Generation Circuit ............................................................................................................... 71

10.1

XIN Clock ............................................................................................................................................... 79

10.2

On-Chip Oscillator Clocks ...................................................................................................................... 80

10.2.1

Low-Speed On-Chip Oscillator Clock ................................................................................................ 80

10.2.2

High-Speed On-Chip Oscillator Clock ............................................................................................... 80

10.3

CPU Clock and Peripheral Function Clock ............................................................................................. 81

10.3.1

System Clock ...................................................................................................................................... 81

10.3.2

CPU Clock .......................................................................................................................................... 81

10.3.3

Peripheral Function Clock (f1, f2, f4, f8, f32, and fCAN0) ............................................................... 81

10.3.4

fOCO ................................................................................................................................................... 81

10.3.5

fOCO40M ........................................................................................................................................... 81

10.3.6

fOCO-F ............................................................................................................................................... 81

10.3.7

fOCO-S ............................................................................................................................................... 81

10.3.8

fOCO128 ............................................................................................................................................. 82

10.4

Power Control .......................................................................................................................................... 83

10.4.1

Standard Operating Mode ................................................................................................................... 83

10.4.2

Wait Mode .......................................................................................................................................... 84

10.4.3

Stop Mode ........................................................................................................................................... 88

10.5

Oscillation Stop Detection Function ....................................................................................................... 91

10.5.1

How to Use Oscillation Stop Detection Function ............................................................................... 91

10.6

Notes on Clock Generation Circuit ......................................................................................................... 94

10.6.1

Stop Mode ........................................................................................................................................... 94

10.6.2

Wait Mode .......................................................................................................................................... 94

10.6.3

Oscillation Stop Detection Function ................................................................................................... 94

10.6.4

Oscillation Circuit Constants .............................................................................................................. 94

11.

Protection ...................................................................................................................................... 95

12.

Interrupts ....................................................................................................................................... 96

12.1

Interrupt Overview .................................................................................................................................. 96

12.1.1

Types of Interrupts .............................................................................................................................. 96

12.1.2

Software Interrupts ............................................................................................................................. 97

12.1.3

Special Interrupts ................................................................................................................................ 98

R8C/23 Datasheet(PDF) 9 Page - Renesas Technology Corp

R8C/23 Datasheet(HTML) 9 Page - Renesas Technology Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL