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A-6
23.9 DMAC ....................................................................................................................................................349
23.9.1 Write to DMAE Bit in DMiCON Register ........................................................................................ 349
23.10 Timers ..................................................................................................................................................350
23.10.1 Timer A .........................................................................................................................................350
23.10.2 Timer B.........................................................................................................................................354
23.11 Thee-Phase Motor Control Timer Function ..........................................................................................356
23.12 Serial Interface ..................................................................................................................................... 357
23.12.1 Clock Synchronous Serial I/O Mode ............................................................................................ 357
23.12.2 Special Modes .............................................................................................................................358
23.12.3 SI/Oi ............................................................................................................................................. 359
23.13 A/D Converter ......................................................................................................................................360
23.14 CAN Module .........................................................................................................................................362
23.14.1 Reading CiSTR Register..............................................................................................................362
23.14.2 Performing CAN Configuration .................................................................................................... 364
23.14.3 Suggestions to Reduce Power Consumption .............................................................................. 365
23.14.4 CAN Transceiver in Boot Mode.................................................................................................... 366
23.15 Programmable I/O Ports ...................................................................................................................... 367
23.16 Dedicated Input Pin ..............................................................................................................................368
23.17 E
lectrical Characteristic Differences Between Mask ROM and Flash Memory Version Microcomputers ....
369
23.18 Mask ROM Version ............................................................................................................................. 370
23.19 Flash Memory Version ......................................................................................................................... 371
23.19.1 Functions to Prevent Flash Memory from Rewriting .................................................................... 371
23.19.2 Stop Mode....................................................................................................................................371
23.19.3 Wait Mode .................................................................................................................................... 371
23.19.4 Low Power Dissipation Mode and On-Chip Oscillator Low Power Dissipation Mode ................. 371
23.19.5 Writing Command and Data.........................................................................................................371
23.19.6 Program Command......................................................................................................................371
23.19.7 Lock Bit Program Command ........................................................................................................371
23.19.8 Operation Speed ..........................................................................................................................371
23.19.9 Prohibited Instructions .................................................................................................................372
23.19.10 Interrupt......................................................................................................................................372
23.19.11 How to Access............................................................................................................................ 372
23.19.12 Rewriting in User ROM Area ......................................................................................................372
23.19.13 DMA Transfer .............................................................................................................................372
23.20 Flash Memory Programming Using Boot Program ..............................................................................373
23.20.1 Programming Using Serial I/O Mode ........................................................................................... 373
23.20.2 Programming Using CAN I/O Mode .............................................................................................373
23.21 Noise .................................................................................................................................................... 374
Appendix 1. Package Dimensions ........................................................................................ 375
Register Index ....................................................................................................................... 377
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.