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User’s Manual U16994EJ6V0UD
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6.4.6 One-shot pulse output operation ..................................................................................................... 119
6.5 Cautions Related to 16-bit Timer/Event Counter 00................................................................124
CHAPTER 7 8-BIT TIMER H1 .............................................................................................................131
7.1 Functions of 8-bit Timer H1 .......................................................................................................131
7.2 Configuration of 8-bit Timer H1.................................................................................................131
7.3 Registers Controlling 8-bit Timer H1 ........................................................................................134
7.4 Operation of 8-bit Timer H1 .......................................................................................................136
7.4.1 Operation as interval timer/square-wave output .............................................................................. 136
7.4.2 Operation as PWM output mode ..................................................................................................... 140
CHAPTER 8 WATCHDOG TIMER .......................................................................................................146
8.1 Functions of Watchdog Timer ...................................................................................................146
8.2 Configuration of Watchdog Timer ............................................................................................148
8.3 Registers Controlling Watchdog Timer....................................................................................149
8.4 Operation of Watchdog Timer ...................................................................................................151
8.4.1 Watchdog timer operation when “l(fā)ow-speed internal oscillator cannot be stopped” is selected by
option byte ..................................................................................................................................... 151
8.4.2
Watchdog timer operation when “l(fā)ow-speed internal oscillator can be stopped by software” is
selected by option byte .................................................................................................................. 153
8.4.3 Watchdog timer operation in STOP mode (when “l(fā)ow-speed internal oscillator can be stopped by
software” is selected by option byte).............................................................................................. 155
8.4.4 Watchdog timer operation in HALT mode (when “l(fā)ow-speed internal oscillator can be stopped by
software” is selected by option byte).............................................................................................. 156
CHAPTER 9 A/D CONVERTER (
μPD78F921x ONLY) .......................................................................157
9.1 Functions of A/D Converter .......................................................................................................157
9.2 Configuration of A/D Converter ................................................................................................159
9.3 Registers Used by A/D Converter .............................................................................................161
9.4 A/D Converter Operations .........................................................................................................166
9.4.1 Basic operations of A/D converter ................................................................................................... 166
9.4.2 Input voltage and conversion results ............................................................................................... 168
9.4.3 A/D converter operation mode......................................................................................................... 169
9.5 How to Read A/D Converter Characteristics Table .................................................................171
9.6 Cautions for A/D Converter .......................................................................................................173
CHAPTER 10 INTERRUPT FUNCTIONS ............................................................................................177
10.1 Interrupt Function Types .........................................................................................................177
10.2 Interrupt Sources and Configuration......................................................................................177
10.3 Interrupt Function Control Registers .....................................................................................179
10.4 Interrupt Servicing Operation..................................................................................................182
10.4.1 Maskable interrupt request acknowledgment operation ................................................................ 182
10.4.2 Multiple interrupt servicing............................................................................................................. 184
10.4.3 Interrupt request pending .............................................................................................................. 186