R5F21183SP datasheet(9/257 Pages) RENESAS

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Special Function Registers (SFRs)

Resets

5.1

Hardware Reset ........................................................................................24

5.1.1

When Power Supply is Stable ............................................................24

5.1.2

Power On............................................................................................24

5.2

Power-On Reset Function .........................................................................26

5.3

Voltage Monitor 1 Reset ...........................................................................27

5.4

Voltage Monitor 2 Reset............................................................................27

5.5

Watchdog Timer Reset..............................................................................27

5.6

Software Reset..........................................................................................27

Programmable I/O Ports

6.1

Functions of Programmable I/O Ports .......................................................28

6.2

Effect on Peripheral Functions ..................................................................28

6.3

Pins Other than Programmable I/O Ports..................................................28

6.4

Port settings ..............................................................................................35

6.5

Unassigned Pin Handling ..........................................................................39

Voltage Detection Circuit

7.1

VCC Input Voltage.....................................................................................46

7.1.1

Monitoring Vdet1 ................................................................................46

7.1.2

Monitoring Vdet2 ................................................................................46

7.1.3

Digital Filter.........................................................................................46

7.2

Voltage Monitor 1 Reset............................................................................48

7.3

Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset .........................49

Processor Mode

8.1

Processor Modes ......................................................................................51

Bus

10. Clock Generation Circuit

10.1

Main Clock.................................................................................................60

10.2

On-Chip Oscillator Clocks .........................................................................61

10.2.1

Low-Speed On-Chip Oscillator Clock .................................................61

10.2.2

High-Speed On-Chip Oscillator Clock ................................................61

R5F21183SP 数据表(PDF) 9 Page - Renesas Technology Corp

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