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R5F211B4XXXDD Datasheet(PDF) 9 Page - Renesas Technology Corp |
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R5F211B4XXXDD Datasheet(HTML) 9 Page - Renesas Technology Corp |
9 / 339 page A - 2 4. Special Function Registers (SFRs) 20 5. Programmable I/O Ports 24 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 6. Resets 38 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 7. Voltage Detection Circuit 44 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 8. Processor Mode 55 8.1 Processor Modes ......................................................................................55 9. Bus 57 10. Clock Generation Circuit 58 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 |
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