NEC PD78053 Network Card User Manual


 
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CHAPTER 8 16-BIT TIMER/EVENT COUNTER ............................................................................. 175
8.1 Outline of Timers Incorporated in the
µ
PD78054, 78054Y Subseries .......................... 175
8.2 16-Bit Timer/Event Counter Functions ........................................................................... 177
8.3 16-Bit Timer/Event Counter Configuration ..................................................................... 179
8.4 16-Bit Timer/Event Counter Control Registers .............................................................. 182
8.5 16-Bit Timer/Event Counter Operations.......................................................................... 191
8.5.1 Interval timer operations ...................................................................................................... 191
8.5.2 PWM output operations ....................................................................................................... 193
8.5.3 PPG output operations ........................................................................................................ 196
8.5.4 Pulse width measurement operations ................................................................................. 197
8.5.5 External event counter operation......................................................................................... 204
8.5.6 Square-wave output operation ............................................................................................ 206
8.5.7 One-shot pulse output operation ......................................................................................... 208
8.6 16-Bit Timer/Event Counter Operating Precautions ...................................................... 212
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 1 AND 2 .............................................................. 215
9.1 8-Bit Timer/Event Counters 1 and 2 Functions .............................................................. 215
9.1.1 8-bit timer/event counter mode ............................................................................................ 215
9.1.2 16-bit timer/event counter mode .......................................................................................... 218
9.2 8-Bit Timer/Event Counters 1 and 2 Configurations...................................................... 220
9.3 8-Bit Timer/Event Counters 1 and 2 Control Registers ................................................. 223
9.4 8-Bit Timer/Event Counters 1 and 2 Operations ............................................................ 228
9.4.1 8-bit timer/event counter mode ............................................................................................ 228
9.4.2 16-bit timer/event counter mode .......................................................................................... 234
9.5 Cautions on 8-Bit Timer/Event Counters 1 and 2 .......................................................... 238
CHAPTER 10 WATCH TIMER ........................................................................................................... 241
10.1 Watch Timer Functions .................................................................................................... 241
10.2 Watch Timer Configuration .............................................................................................. 242
10.3 Watch Timer Control Registers ....................................................................................... 242
10.4 Watch Timer Operations................................................................................................... 246
10.4.1 Watch timer operation.......................................................................................................... 246
10.4.2 Interval timer operation ........................................................................................................ 246
CHAPTER 11 WATCHDOG TIMER ................................................................................................... 247
11.1 Watchdog Timer Functions .............................................................................................. 247
11.2 Watchdog Timer Configuration ....................................................................................... 249
11.3 Watchdog Timer Control Registers ................................................................................. 250
11.4 Watchdog Timer Operations ............................................................................................ 253
11.4.1 Watchdog timer operation.................................................................................................... 253
11.4.2 Interval timer operation ........................................................................................................ 254
CHAPTER 12 CLOCK OUTPUT CONTROL CIRCUIT ..................................................................... 255
12.1 Clock Output Control Circuit Functions ......................................................................... 255
12.2 Clock Output Control Circuit Configuration................................................................... 256
12.3 Clock Output Function Control Registers ...................................................................... 257