Table Of Contents - Renesas M16C/26 Series Reference Book

16-bit single-chip microcomputer

Table of Contents

1. Usage Precaution .......................................................................................... 1

1.1 Precautions for Power Control .................................................................................... 1

1.2 Precautions for Protect ................................................................................................ 2

1.3 Precautions for Interrupts ............................................................................................ 3

1.3.1 Reading address 0000016 ................................................................................................................... 3

1.3.2 Setting the SP ....................................................................................................................................... 3

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1.3.3 The NMI Interrupt ................................................................................................................................. 3

1.3.4 Changing the Interrupt Generate Factor ............................................................................................ 4

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1.3.5 INT Interrupt ......................................................................................................................................... 4

1.3.6 Rewrite the Interrupt Control Register ............................................................................................... 5

1.3.7 Watchdog Timer Interrupt ................................................................................................................... 6

1.4 Precautions for DMAC .................................................................................................. 7

1.4.1 Write to DMAE Bit in DMiCON Register ............................................................................................. 7

1.5 Precautions for Timers ................................................................................................. 8

1.5.1 Timer A .................................................................................................................................................. 8

1.5.1.1 Timer A (Timer Mode) ................................................................................................................... 8

1.5.1.2 Timer A (Event Counter Mode) .................................................................................................... 9

1.5.1.3 Timer A (One-shot Timer Mode)................................................................................................. 10

1.5.1.4 Timer A (Pulse Width Modulation Mode) .................................................................................. 11

1.5.2 Timer B ................................................................................................................................................ 12

1.5.2.1 Timer B (Timer Mode) ................................................................................................................. 12

1.5.2.2 Timer B (Event Counter Mode) .................................................................................................. 13

1.5.2.3 Timer B (Pulse Period/pulse Width Measurement Mode) ...................................................... 14

1.6 Precautions for Serial I/O (Clock-synchronous Serial I/O) ..................................... 15

1.6.1 Transmission/reception ..................................................................................................................... 15

1.6.2 Transmission ...................................................................................................................................... 16

1.6.3 Reception ............................................................................................................................................ 17

1.7 Precautions for Serial I/O (UART Mode) ................................................................... 18

1.7.1 Special Mode 2 .................................................................................................................................. 18

1.7.2 Special Mode 4 (SIM Mode) .............................................................................................................. 18

1.8 Precautions for A-D Converter .................................................................................. 19

1.9 Precautions for Programmable I/O Ports ................................................................. 21

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