Renesas M16C/29 Series Hardware Manual page 433

1. Usage Precaution ................................................................................................................ 1
1.1 Precautions for SFR ......................................................................................................... 1
1.1.1 Precaution for 80 pin version ..................................................................................... 1
1.1.2 Precaution for 64 pin version ..................................................................................... 1
1.2 Precautions for PLL Frequency Synthesizer .................................................................... 2
1.3 Precautions for Power Control .......................................................................................... 3
1.4 Precautions for Protect ..................................................................................................... 4
1.5 Precautions for Interrupts ................................................................................................. 5
1.5.1 Reading address 00000
1.5.2 Setting the SP ............................................................................................................ 5
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1.5.3 The NMI Interrupt ....................................................................................................... 5
1.5.4 Changing the Interrupt Generate Factor .................................................................... 6
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1.5.5 INT Interrupt ............................................................................................................... 6
1.5.6 Rewrite the Interrupt Control Register ........................................................................ 7
1.5.7 Watchdog Timer Interrupt ........................................................................................... 8
1.6 Precautions for DMAC ...................................................................................................... 9
1.6.1 Write to DMAE Bit in DMiCON Register ..................................................................... 9
1.7 Precautions for Timers .................................................................................................... 10
1.7.1 Timer A ..................................................................................................................... 10
1.7.1.1 Timer A (Timer Mode) ........................................................................................ 10
1.7.1.2 Timer A (Event Counter Mode) .......................................................................... 11
1.7.1.3 Timer A (One-shot Timer Mode) ......................................................................... 12
1.7.1.4 Timer A (Pulse Width Modulation Mode) ............................................................ 13
1.7.2 Timer B ..................................................................................................................... 14
1.7.2.1 Timer B (Timer Mode) ........................................................................................ 14
1.7.2.2 Timer B (Event Counter Mode) .......................................................................... 15
1.7.2.3 Timer B (Pulse Period/pulse Width Measurement Mode) ................................. 16
1.7.3 Timer S ..................................................................................................................... 17
1.7.3.1 Rewrite the G1IR register .................................................................................. 17
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