NEC V854 UPD703006 User Manual page 13

CHAPTER 9 A/D CONVERTER ......................................................................................................... 295
9.1 Features ................................................................................................................................. 295
9.2 Configuration ......................................................................................................................... 295
9.3 Control Register .................................................................................................................... 297
9.4 A/D Converter Operation ..................................................................................................... 301
9.4.1 Basic operation of A/D converter .............................................................................................. 301
9.4.2 Operation mode and trigger mode ............................................................................................ 301
9.5 Operation in the A/D Trigger Mode .................................................................................... 308
9.5.1 Select mode operation ............................................................................................................... 308
9.5.2 Scan mode operation ................................................................................................................. 310
9.6 Operation in the Timer Trigger Mode ................................................................................ 311
9.6.1 Select mode operation ............................................................................................................... 311
9.6.2 Scan mode operation ................................................................................................................. 314
9.7 Operation in the External Trigger Mode ............................................................................ 315
9.7.1 Select mode operation (External trigger select) ....................................................................... 315
9.7.2 Scan mode operation (External trigger scan) .......................................................................... 318
9.8 Precautions Regarding Operations .................................................................................... 319
9.8.1 Stop of conversion operations .................................................................................................. 319
9.8.2 Interval of the external/timer trigger .......................................................................................... 319
9.8.3 Operation in the standby mode ................................................................................................. 319
9.8.4 Compare coincide interrupt in the timer trigger mode ............................................................. 319
CHAPTER 10 REAL-TIME OUTPUT FUNCTION ............................................................................. 321
10.1 Configuration and Function ................................................................................................ 321
10.2 Control Register .................................................................................................................... 322
10.3 Operation ............................................................................................................................... 322
10.4 Example .................................................................................................................................. 323
CHAPTER 11 PWM UNIT ................................................................................................................... 325
11.1 Features ................................................................................................................................. 325
11.2 Configuration ......................................................................................................................... 326
11.3 Control Register .................................................................................................................... 327
11.4 PWM Operations ................................................................................................................... 330
11.4.1 Basic operations of PWM .......................................................................................................... 330
11.4.2 Enabling/disabling PWM operation ........................................................................................... 332
11.4.3 Specification of active level of PWM pulse .............................................................................. 333
11.4.4 Specification of PWM pulse width rewrite cycle ....................................................................... 333
11.4.5 Repetition frequency .................................................................................................................. 335
CHAPTER 12 PORT FUNCTION ....................................................................................................... 337
12.1 Features ................................................................................................................................. 337
12.2 Basic Configuration of Ports .............................................................................................. 338
12.3 Port Pin Function .................................................................................................................. 348
12.3.1 Port 0 .......................................................................................................................................... 348
12.3.2 Port 1 .......................................................................................................................................... 350
12.3.3 Port 2 .......................................................................................................................................... 352
User's Manual U11969EJ3V0UM00
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