R5F211B2NP datasheet(9/339 Pages) RENESAS

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Special Function Registers (SFRs)

Programmable I/O Ports

5.1

Functions of Programmable I/O Ports .......................................................24

5.2

Effect on Peripheral Functions ..................................................................24

5.3

Pins Other than Programmable I/O Ports..................................................24

5.4

Port Settings..............................................................................................32

5.5

Unassigned Pin Handling ..........................................................................37

Resets

6.1

Hardware Reset ........................................................................................40

6.1.1

When Power Supply is Stable ............................................................40

6.1.2

Power On............................................................................................40

6.2

Power-On Reset Function .........................................................................42

6.3

Voltage Monitor 1 Reset ...........................................................................43

6.4

Voltage Monitor 2 Reset............................................................................43

6.5

Watchdog Timer Reset..............................................................................43

6.6

Software Reset..........................................................................................43

Voltage Detection Circuit

7.1

VCC Input Voltage.....................................................................................50

7.1.1

Monitoring Vdet1 ................................................................................50

7.1.2

Monitoring Vdet2 ................................................................................50

7.1.3

Digital Filter.........................................................................................50

7.2

Voltage Monitor 1 Reset............................................................................52

7.3

Voltage Monitor 2 Interrupt and Voltage Monitor 2 Reset .........................53

Processor Mode

8.1

Processor Modes ......................................................................................55

Bus

10. Clock Generation Circuit

10.1

Main Clock.................................................................................................65

10.2

On-Chip Oscillator Clocks .........................................................................66

10.2.1

Low-Speed On-Chip Oscillator Clock .................................................66

10.2.2

High-Speed On-Chip Oscillator Clock ................................................66

R5F211B2NP 数据表(PDF) 9 Page - Renesas Technology Corp

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