5.8
5.9
Bus Hold Function....................................................................................................................282
5.8.1
5.8.2
5.8.3
Functional outline .........................................................................................................................282
Bus hold procedure ......................................................................................................................283
Operation in power save mode.....................................................................................................283
Bus Priority................................................................................................................................284
5.10 Boundary Operation Conditions .............................................................................................284
5.10.1 Program space.............................................................................................................................284
5.10.2 Data space ...................................................................................................................................284
5.11 Bus Timing.................................................................................................................................285
5.12 Cautions.....................................................................................................................................291
CHAPTER 6 CLOCK GENERATION FUNCTION ...............................................................................292
6.1
6.2
6.3
6.4
Overview ....................................................................................................................................292
Configuration.............................................................................................................................293
Control Registers......................................................................................................................295
Operation ...................................................................................................................................299
6.4.1
6.4.2
6.4.3
Operation of each clock................................................................................................................299
Clock output function....................................................................................................................299
External clock input function.........................................................................................................299
6.5
PLL Function .............................................................................................................................300
6.5.1
6.5.2
6.5.3
Overview ......................................................................................................................................300
Control register.............................................................................................................................300
Usage...........................................................................................................................................301
CHAPTER 7 16-BIT TIMER/EVENT COUNTERS 00 TO 05 ............................................................302
7.1
7.2
7.3
7.4
Functions...................................................................................................................................302
Configuration.............................................................................................................................303
Control Registers......................................................................................................................308
Operation ...................................................................................................................................319
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
7.4.7
Operation as interval timer (16 bits)..............................................................................................319
PPG output operation...................................................................................................................322
Pulse width measurement ............................................................................................................326
Operation as external event counter.............................................................................................334
Square-wave output operation .....................................................................................................337
One-shot pulse output operation ..................................................................................................340
Cautions .......................................................................................................................................345
CHAPTER 8 8-BIT TIMER/EVENT COUNTERS 50 AND 51 ...........................................................350
8.1
8.2
8.3
8.4
Functions...................................................................................................................................350
Configuration.............................................................................................................................351
Control Registers......................................................................................................................353
Operation ...................................................................................................................................356
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
Operation as interval timer (8 bits)................................................................................................356
Operation as external event counter (8 bits).................................................................................358
Square-wave output operation (8-bit resolution)...........................................................................359
8-bit PWM output operation..........................................................................................................361
Operation as interval timer (16 bits)..............................................................................................364
Operation as external event counter (16 bits)...............................................................................366
Square-wave output operation (16-bit resolution).........................................................................367
13
User’s Manual U15862EJ3V0UD
NEC [ NEC ]
