User’s Manual U13045EJ2V0UM00
13
7.4 System Clock Oscillator ....................................................................................................
97
7.4.1 System clock oscillator .............................................................................................................
97
7.4.2 Divider .......................................................................................................................................
100
7.5 Operation of Clock Generator ..........................................................................................
100
7.6 Changing Setting of CPU Clock ....................................................................................... 101
7.6.1 Time required for switching CPU clock ...................................................................................
101
7.6.2 Switching CPU clock ................................................................................................................
101
CHAPTER 8 16-BIT TIMER COUNTER ............................................................................................
103
8.1 16-Bit Timer Counter Functions ....................................................................................... 104
8.2 16-Bit Timer Counter Configuration ................................................................................ 105
8.3 Registers Controlling 16-Bit Timer Counter .................................................................. 107
8.4 16-Bit Timer Counter Operation .......................................................................................
110
8.4.1 Operation as timer interrupt .....................................................................................................
110
8.4.2 Operation as timer output ........................................................................................................
112
8.4.3 Capture operation .....................................................................................................................
113
8.4.4 16-bit timer register 20 readout ...............................................................................................
114
CHAPTER 9 8-BIT TIMER/EVENT COUNTER ...............................................................................
115
9.1 Functions of 8-Bit Timer/Event Counter .........................................................................
115
9.2 8-Bit Timer/Event Counter Configuration .......................................................................
116
9.3 8-Bit Timer/Event Counter Control Registers ................................................................
118
9.4 Operation of 8-Bit Timer/Event Counter ......................................................................... 120
9.4.1 Operation as interval timer .......................................................................................................
120
9.4.2 Operation as external event counter .......................................................................................
122
9.4.3 Operation as square wave output ...........................................................................................
123
9.4.4 Operation as PWM output ........................................................................................................
125
9.5 Notes on Using 8-Bit Timer/Event Counter .................................................................... 127
CHAPTER 10 WATCHDOG TIMER .................................................................................................. 129
10.1 Functions of Watchdog Timer ........................................................................................
129
10.2 Configuration of Watchdog Timer .................................................................................
130
10.3 Watchdog Timer Control Register .................................................................................
131
10.4 Operation of Watchdog Timer ........................................................................................
133
10.4.1 Operation as watchdog timer .................................................................................................
133
10.4.2 Operation as interval timer ....................................................................................................
134
CHAPTER 11 8-BIT A/D CONVERTER (
µ
PD789104, 789124 SUBSERIES) ...............................
135
11.1 8-Bit A/D Converter Functions ....................................................................................... 135
11.2 8-Bit A/D Converter Configuration .................................................................................
135
11.3 Registers Controlling 8-Bit A/D Converter ...................................................................
138
11.4 8-Bit A/D Converter Operation ....................................................................................... 140
11.4.1 Basic operation of 8-bit A/D converter ...................................................................................
140
11.4.2 Input voltage and conversion result .......................................................................................
141
11.4.3 Operation mode of 8-bit A/D converter ..................................................................................
143
11.5 Cautions Related to 8-Bit A/D Converter ...................................................................... 144
Summary of Contents for mPD789101
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