r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 9

• Manufacturer Part Number: r5f21368sdfp
• Description: Renesas Mcu R8c Family / R8c/3xt-a Series
• Manufacturer: Renesas Electronics Corporation.

6.
7.
5.4
5.5
5.6
6.1
6.2
6.3
6.4
7.1
7.2
7.3
7.4
7.5
7.6
5.3.3
5.3.4
5.3.5
5.5.1
5.6.1
6.2.1
6.2.2
6.2.3
6.2.4
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.4.1
6.4.2
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
7.2.6
7.2.7
7.2.8
7.3.1
7.3.2
7.3.3
Resets ................................................................................................................................................. 43
Voltage Detection Circuit ..................................................................................................................... 55
Protection ....................................................................................................................................................... 41
Option Function Select Area .......................................................................................................................... 41
Notes on System Control ............................................................................................................................... 42
Overview ........................................................................................................................................................ 43
Registers ......................................................................................................................................................... 44
Operation ........................................................................................................................................................ 48
States during Reset ......................................................................................................................................... 54
Overview ........................................................................................................................................................ 55
Registers ......................................................................................................................................................... 58
Monitoring VCC Input Voltage ...................................................................................................................... 65
Voltage Monitor 0 Reset ................................................................................................................................. 66
Voltage Monitor 1 Interrupt ............................................................................................................................ 67
Voltage Monitor 2 Interrupt ............................................................................................................................ 69
Forced Erase Function ............................................................................................................................... 39
Standard Serial I/O Mode Disabled Function ............................................................................................ 40
Notes on ID Code Area (Setting Example) ............................................................................................... 40
Overview ................................................................................................................................................... 41
Option Function Select Area Setting Examples ........................................................................................ 42
Processor Mode Register 0 (PM0) ............................................................................................................. 44
Reset Source Determination Register (RSTFR) ........................................................................................ 45
Option Function Select Register 2 (OFS2) ................................................................................................ 46
Option Function Select Register (OFS) ..................................................................................................... 47
Reset Sequence .......................................................................................................................................... 48
Hardware Reset .......................................................................................................................................... 49
Power-On Reset ......................................................................................................................................... 51
Voltage Monitor 0 Reset ............................................................................................................................ 52
Watchdog Timer Reset ............................................................................................................................... 53
Software Reset ........................................................................................................................................... 53
Cold Start-Up/Warm Start-Up Determination Function ............................................................................ 53
Reset Source Determination Function ....................................................................................................... 53
Pin States while RESET Pin Level is Low ................................................................................................ 54
CPU Register States after Reset ................................................................................................................ 54
Voltage Monitor Circuit Control Register (CMPA) ................................................................................... 58
Voltage Monitor Circuit Edge Select Register (VCAC) ............................................................................ 59
Voltage Detection Register 2 (VCA2) ....................................................................................................... 59
Voltage Monitor 0 Circuit Control Register (VW0C) ............................................................................... 61
Voltage Monitor 1 Circuit Control Register (VW1C) ............................................................................... 62
Voltage Monitor 2 Circuit Control Register (VW2C) ............................................................................... 63
Option Function Select Register (OFS) ..................................................................................................... 64
Monitoring Vdet0 ...................................................................................................................................... 65
Monitoring Vdet1 ...................................................................................................................................... 65
Monitoring Vdet2 ...................................................................................................................................... 65
Voltage Detection 1 Level Select Register (VD1LS) ............................................................................... 60
A - 2