UPD780078 Datasheet, PDF (14/592 Pages) NEC – 8-Bit Single-Chip Microcontrollers

8.3 Registers to Control 16-Bit Timer/Event Counters 00, 01 ................................................ 148
8.4 Operation of 16-Bit Timer/Event Counters 00, 01 ............................................................. 158
8.4.1 Interval timer operation ............................................................................................................. 158
8.4.2 External event counter operation .............................................................................................. 161
8.4.3 Pulse width measurement operations ....................................................................................... 163
8.4.4 Square-wave output operation .................................................................................................. 171
8.4.5 PPG output operation ................................................................................................................ 173
8.5 Program List ......................................................................................................................... 176
8.5.1 Interval timer ............................................................................................................................. 177
8.5.2 Pulse width measurement by free-running counter and one capture register ........................... 178
8.5.3 Two pulse widths measurement by free-running counter .......................................................... 179
8.5.4 Pulse width measurement by restart ......................................................................................... 181
8.5.5 PPG output ................................................................................................................................ 182
8.6 Cautions for 16-Bit Timer/Event Counters 00, 01 ............................................................. 183
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 50, 51 ............................................................... 187
9.1 Functions of 8-Bit Timer/Event Counters 50, 51 ............................................................... 187
9.2 Configuration of 8-Bit Timer/Event Counters 50, 51 ......................................................... 189
9.3 Registers to Control 8-Bit Timer/Event Counters 50, 51 .................................................. 191
9.4 Operation of 8-Bit Timer/Event Counters 50, 51 ............................................................... 196
9.4.1 8-bit interval timer operation ...................................................................................................... 196
9.4.2 External event counter operation .............................................................................................. 199
9.4.3 Square-wave output (8-bit resolution) operation ....................................................................... 200
9.4.4 8-bit PWM output operation ...................................................................................................... 201
9.4.5 Interval timer (16-bit) operations ............................................................................................... 205
9.5 Program List ......................................................................................................................... 206
9.5.1 Interval timer (8-bit) ................................................................................................................... 206
9.5.2 External event counter .............................................................................................................. 207
9.5.3 Interval timer (16-bit) ................................................................................................................. 208
9.6 Cautions for 8-Bit Timer/Event Counters 50, 51 ............................................................... 209
CHAPTER 10 WATCH TIMER ......................................................................................................... 210
10.1 Watch Timer Functions ....................................................................................................... 210
10.2 Watch Timer Configuration ................................................................................................. 211
10.3 Register to Control Watch Timer ........................................................................................ 211
10.4 Watch Timer Operations ..................................................................................................... 213
10.4.1 Watch timer operation ............................................................................................................... 213
10.4.2 Interval timer operation ............................................................................................................. 213
10.5 Cautions for Watch Timer ................................................................................................... 214
CHAPTER 11 WATCHDOG TIMER ................................................................................................. 215
11.1 Watchdog Timer Functions ................................................................................................. 215
11.2 Watchdog Timer Configuration .......................................................................................... 216
11.3 Registers to Control Watchdog Timer ............................................................................... 216
11.4 Watchdog Timer Operations ............................................................................................... 218
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User’s Manual U14260EJ3V1UD