R8CSLASH15 datasheet(6/277 Pages) RENESAS

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Special Function Register (SFR)

Reset

5.1

Hardware Reset ........................................................................................21

5.1.1

When the power supply is stable........................................................21

5.1.2

Power on ............................................................................................21

5.2

Power-On Reset Function .........................................................................23

5.3

Voltage Monitor 1 Reset ...........................................................................24

5.4

Voltage Monitor 2 Reset............................................................................24

5.5

Watchdog Timer Reset..............................................................................24

5.6

Software Reset..........................................................................................24

Voltage Detection Circuit

6.1

Monitoring VCC Input Voltage...................................................................31

6.1.1

Monitoring Vdet1 ................................................................................31

6.1.2

Monitoring Vdet2 ................................................................................31

6.2

Voltage Monitor 1 Reset............................................................................32

6.3

Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset .........................33

Processor Mode

7.1

Types of Processor Mode .........................................................................35

Bus

Clock Generation Circuit

9.1

Main Clock.................................................................................................45

9.2

On-Chip Oscillator Clock ...........................................................................46

9.2.1

Low-Speed On-Chip Oscillator Clock .................................................46

9.2.2

High-Speed On-Chip Oscillator Clock ................................................46

9.3

CPU Clock and Peripheral Function Clock................................................47

9.3.1

System Clock......................................................................................47

9.3.2

CPU Clock ..........................................................................................47

9.3.3

Peripheral Function Clock (f1, f2, f4, f8, f32) ......................................47

9.3.4

fRING and fRING128..........................................................................47

9.3.5

fRING-fast...........................................................................................47

9.3.6

fRING-S ..............................................................................................47

9.4

Power Control............................................................................................48

R8C/15 Datasheet(PDF) 6 Page - Renesas Technology Corp

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