20.1 PDi Register ........................................................................................................................................... 248
20.3 PURj Register ........................................................................................................................................ 248
20.4 PCR Register ......................................................................................................................................... 248
21. Flash Memory Version .................................................................................................... 260
21.1 Memory Map .......................................................................................................................................... 261
21.1.1 Boot Mode ...................................................................................................................................... 262
21.2.2 ID Code Check Function ................................................................................................................ 262
21.3 CPU Rewrite Mode ................................................................................................................................ 264
21.3.1 EW0 Mode ..................................................................................................................................... 265
21.3.2 EW1 Mode ..................................................................................................................................... 265
21.3.3 FMR0, FMR1 Registers ................................................................................................................. 266
21.3.5 Software Commands ..................................................................................................................... 273
21.3.6 Data Protect Function .................................................................................................................... 278
21.3.8 Full Status Check ........................................................................................................................... 280
21.4 Standard Serial I/O Mode ...................................................................................................................... 282
21.4.1 ID Code Check Function ................................................................................................................ 282
21.5 Parallel I/O Mode ................................................................................................................................... 287
21.6 CAN I/O Mode ........................................................................................................................................ 288
21.6.1 ID Code Check Function ................................................................................................................ 288
23. Usage Precaution ............................................................................................................ 338
23.1 SFR ........................................................................................................................................................ 338
23.1 External Bus ........................................................................................................................................... 339
23.3 External Clock ........................................................................................................................................ 340
23.4 PLL Frequency Synthesizer ................................................................................................................... 341
23.5 Power Control ........................................................................................................................................ 342
23.7 Protection ............................................................................................................................................... 345
23.8 Interrupt .................................................................................................................................................. 346
23.8.1 Reading Address 00000h ............................................................................................................... 346
23.8.2 Setting SP ...................................................................................................................................... 346
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23.8.3 NMI Interrupt .................................................................................................................................. 346
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23.8.5 INT Interrupt ................................................................................................................................... 347
A-5