Table of Contents
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5.2 Software Reset ............................................................................................................... 29
5.3 Watchdog Timer Reset ................................................................................................... 29
5.4 Oscillation Stop Detection Reset .................................................................................... 29
5.5 Voltage Detection Circuit .............................................................................................. 31
5.5.1 Voltage Down Detection Interrupt ........................................................................... 34
5.5.2 Limitations on Exiting Stop Mode ............................................................................ 36
5.5.3 Limitations on Exiting Wait Mode ............................................................................ 36
6. Processor Mode .............................................................................................37
7. Clock Generation Circuit ................................................................................38
7.1 Main Clock ...................................................................................................................... 45
7.2 Sub Clock ....................................................................................................................... 46
7.3 On-chip Oscillator Clock ................................................................................................. 47
7.4 PLL Clock ....................................................................................................................... 47
7.5 CPU Clock and Peripheral Function Clock ..................................................................... 49
7.5.1 CPU Clock ................................................................................................................ 49
7.5.2 Peripheral Function Clock(f1, f2, f8, f32, f1SIO, f2SIO, f8SIO, f32SIO, fAD, fC32, fCAN0) .... 49
7.5.3 ClockOutput Function ............................................................................................... 49
7.6 Power Control ................................................................................................................. 50
7.6.1 Normal Operation Mode ........................................................................................... 50
7.6.1.1 High-speed Mode ............................................................................................. 50
7.6.1.2 PLL Operation Mode ......................................................................................... 50
7.6.1.3 Medium-speed Mode ........................................................................................ 50
7.6.1.4 Low-speed Mode .............................................................................................. 50
7.6.1.5 Low Power Dissipation Mode ........................................................................... 50
7.6.1.6 On-chip Oscillator Mode .................................................................................... 51
7.6.1.7 On-chip Oscillator Low Power Dissipation Mode ............................................... 51
7.6.2 Wait Mode ................................................................................................................ 51
7.6.2.1 Peripheral Function Clock Stop Function ......................................................... 51
7.6.2.2 Entering Wait Mode .......................................................................................... 51
7.6.2.3 Pin Status During Wait Mode ............................................................................ 52
7.6.2.4 Exiting Wait Mode ............................................................................................. 52
7.6.3 Stop Mode ............................................................................................................... 53
7.6.3.1 Entering Stop Mode ........................................................................................... 53
7.6.3.2 Pin Status during Stop Mode ............................................................................. 53
7.6.3.3 Exiting Stop Mode .............................................................................................. 53
7.7 System Clock Protective Function .................................................................................. 57
7.8 Oscillation Stop and Re-oscillation Detect Function ....................................................... 57
A-2
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