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User’s Manual U19678EJ1V1UD
11
5.6.1 Example of setting internal high-speed oscillator ............................................................................251
5.6.2 Example of setting 40 MHz internal high-speed oscillator...............................................................251
5.6.3 Example of setting X1 oscillator ......................................................................................................252
5.6.4 Example of setting XT1 oscillator (products other than 78K0R/IB3) ...............................................253
5.6.5 CPU clock status transition diagram ...............................................................................................254
5.6.6 Condition before changing CPU clock and processing after changing CPU clock ..........................262
5.6.7 Time required for switchover of CPU clock and main system clock ................................................264
5.6.8 Conditions before clock oscillation is stopped.................................................................................265
CHAPTER 6 TIMER ARRAY UNIT TAUS.......................................................................................... 266
6.1 Functions of Timer Array Unit TAUS ....................................................................................... 268
6.1.1 Independent channel operation function .........................................................................................268
6.1.2 Simultaneous channel operation function .......................................................................................269
6.1.3 LIN-bus supporting function ............................................................................................................270
6.2 Configuration of Timer Array Unit TAUS ................................................................................. 271
6.3 Registers Controlling Timer Array Unit TAUS ........................................................................ 279
6.4 Basic Rules of Simultaneous Channel Operation Function .................................................. 308
6.5 Channel Output (TOn pin) Control ........................................................................................... 310
6.5.1 TOn pin output circuit configuration ( When the INVERTER CONTROL FUNCTIONS is not used)310
6.5.2 TOn pin output setting.....................................................................................................................311
6.5.3 Cautions on channel output operation ............................................................................................311
6.5.4 Collective manipulation of TOn bits.................................................................................................315
6.5.5 Timer interrupt and TOn pin output at operation start .....................................................................316
6.6 Channel Input (TIn Pin) Control ................................................................................................ 317
6.6.1 TIn edge detection circuit ................................................................................................................317
6.7 Operation of Timer Array Unit TAUS as Independent Channel............................................. 318
6.7.1 Operation as interval timer/square wave output..............................................................................318
6.7.2 Operation as external event counter ...............................................................................................324
6.7.3 Operation as frequency divider(44-pin and 48-pin products of 78K0R/IC3, 78K0R/ID3 and
78K0R/IE3 only.) .............................................................................................................................328
6.7.4 Operation as input pulse interval measurement..............................................................................332
6.7.5 Operation as input signal high-/low-level width measurement ........................................................336
6.8 Simultaneous Channel Operation Function of Timer Array Unit TAUS ............................... 340
6.8.1 Operation as one-shot pulse output function...................................................................................340
6.8.2 Operation as PWM function ............................................................................................................347
6.8.3 Operation as multiple PWM output function ....................................................................................354