M16C65 Datasheet, PDF (16/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

16.2.4 DMAi Control Register (DMiCON) (i = 0 to 3) ........................................ 270
16.2.5 DMAi Source Select Register (DMiSL) (i = 0 to 3) ................................ 271
16.3 Operations....................................................................................................... 274
16.3.1 DMA Enabled ........................................................................................... 274
16.3.2 DMA Request ........................................................................................... 274
16.3.3 Transfer Cycles ........................................................................................ 275
16.3.4 DMAC Transfer Cycles ............................................................................. 277
16.3.5 Single Transfer Mode ............................................................................... 278
16.3.6 Repeat Transfer Mode.............................................................................. 279
16.3.7 Channel Priority and DMA Transfer Timing .............................................. 279
16.4 Interrupts ......................................................................................................... 281
16.5 Notes on DMAC .............................................................................................. 282
16.5.1 Write to the DMAE Bit in the DMiCON Register (i = 0 to 3)...................... 282
16.5.2 Changing DMA Request Source .............................................................. 282
17. Timer A ................................................................................................. 283
17.1 Introduction...................................................................................................... 283
17.2 Registers ......................................................................................................... 287
17.2.1 Peripheral Clock Select Register (PCLKR) .............................................. 288
17.2.2 Clock Prescaler Reset Flag (CPSRF) ...................................................... 288
17.2.3 Timer AB Division Control Register 0 (TCKDIVC0) .................................. 289
17.2.4 Timer A Count Source Select Register i (TACSi) (i = 0 to 2) .................. 290
17.2.5 16-Bit Pulse Width Modulation Mode Function Select Register (PWMFS)
.................................................................................................................. 291
17.2.6 Timer A Waveform Output Function Select Register (TAPOFS) .............. 292
17.2.7 Timer A Output Waveform Change Enable Register (TAOW) .................. 293
17.2.8 Timer Ai Register (TAi) (i = 0 to 4) ........................................................ 294
17.2.9 Timer Ai-1 Register (TAi1) (i = 1, 2, 4) .................................................... 295
17.2.10 Count Start Flag (TABSR) ........................................................................ 296
17.2.11 One-Shot Start Flag (ONSF) .................................................................... 297
17.2.12 Trigger Select Register (TRGSR) ............................................................. 298
17.2.13 Up/Down Flag (UDF) ................................................................................ 299
17.2.14 Timer Ai Mode Register (TAiMR) (i = 0 to 4) ........................................ 300
17.3 Operations....................................................................................................... 301
17.3.1 Common Operations ................................................................................ 301
17.3.2 Timer Mode .............................................................................................. 303
A-9