NEC mPD789101 User Manual page 13

7.4 System Clock Oscillator ....................................................................................................
7.4.1 System clock oscillator .............................................................................................................
7.4.2 Divider .......................................................................................................................................
7.5 Operation of Clock Generator .......................................................................................... 100
7.6 Changing Setting of CPU Clock ....................................................................................... 101
7.6.1 Time required for switching CPU clock ...................................................................................
7.6.2 Switching CPU clock ................................................................................................................
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 .....................................................................................................
8.4.2 Operation as timer output ........................................................................................................
8.4.3 Capture operation .....................................................................................................................
8.4.4 16-bit timer register 20 readout ...............................................................................................
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 .......................................................................................................
9.4.2 Operation as external event counter .......................................................................................
9.4.3 Operation as square wave output ...........................................................................................
9.4.4 Operation as PWM output ........................................................................................................
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 .................................................................................................
10.4.2 Operation as interval timer ....................................................................................................
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 ...................................................................................
11.4.2 Input voltage and conversion result .......................................................................................
11.4.3 Operation mode of 8-bit A/D converter ..................................................................................
11.5 Cautions Related to 8-Bit A/D Converter ...................................................................... 144
User's Manual U13045EJ2V0UM00
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