23.6 DMAC .................................................................................................................................................... 346
23.6.1 Write to DMAE Bit in DMiCON Register ........................................................................................ 346
23.7 Timers .................................................................................................................................................... 347
23.7.1 Timer A ........................................................................................................................................... 347
23.7.2 Timer B ........................................................................................................................................... 350
23.8 Serial Interface ....................................................................................................................................... 352
23.8.1 Clock Synchronous Serial I/O Mode .............................................................................................. 352
23.8.2 Special Modes ............................................................................................................................... 353
23.8.3 SI/O3 .............................................................................................................................................. 354
23.9 A/D Converter ........................................................................................................................................ 355
23.10 CAN Module ......................................................................................................................................... 357
23.10.1 Reading C0STR Register ............................................................................................................ 357
23.10.2 Performing CAN Configuration .................................................................................................... 359
23.10.3 Suggestions to Reduce Power Consumption .............................................................................. 360
23.10.4 CAN Transceiver in Boot Mode.................................................................................................... 361
23.11 Programmable I/O Ports ...................................................................................................................... 362
23.12 Electrical Characteristic Differences Between Mask ROM and Flash Memory Version Microcomputers .... 363
23.13 Mask ROM Version .............................................................................................................................. 364
23.14 Flash Memory Version ......................................................................................................................... 365
23.14.1 Functions to Prevent Flash Memory from Rewriting .................................................................... 365
23.14.2 Stop Mode .................................................................................................................................... 365
23.14.3 Wait Mode .................................................................................................................................... 365
23.14.4 Low Power Dissipation Mode and On-Chip Oscillator Low Power Dissipation Mode ................. 365
23.14.5 Writing Command and Data ......................................................................................................... 365
23.14.6 Program Command ...................................................................................................................... 365
23.14.7 Lock Bit Program Command ........................................................................................................ 365
23.14.8 Operation Speed .......................................................................................................................... 366
23.14.9 Prohibited Instructions ................................................................................................................. 366
23.14.10 Interrupt ...................................................................................................................................... 366
23.14.11 How to Access ............................................................................................................................ 366
23.14.12 Rewriting in User ROM Area ...................................................................................................... 366
23.14.13 DMA Transfer ............................................................................................................................. 366
23.15 Flash Memory Programming Using Boot Program .............................................................................. 367
23.15.1 Programming Using Serial I/O Mode ........................................................................................... 367
23.15.2 Programming Using CAN I/O Mode ............................................................................................. 367
23.16 Noise .................................................................................................................................................... 368
Appendix 1. Package Dimensions ........................................................................................ 369
Register Index ....................................................................................................................... 371
Specifications written in this manual are believed to be accurate, but are not guaranteed to be entirely free
of error. Specifications in this manual may be changed for functional or performance improvements.
Please make sure your manual is the latest edition.
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