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M16C6N4 View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
M16C6N4 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Renesas
Renesas Electronics Renesas
M16C6N4 Datasheet PDF : 406 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
20. Programmable I/O Ports ................................................................................................. 238
20.1 PDi Register ........................................................................................................................................... 238
20.2 Pi Register ............................................................................................................................................. 238
20.3 PURj Register ........................................................................................................................................ 238
20.4 PCR Register ......................................................................................................................................... 239
21. Flash Memory Version .................................................................................................... 251
21.1 Memory Map .......................................................................................................................................... 252
21.1.1 Boot Mode ...................................................................................................................................... 252
21.2 Functions to Prevent Flash Memory from Rewriting .............................................................................. 253
21.2.1 ROM Code Protect Function .......................................................................................................... 253
21.2.2 ID Code Check Function ................................................................................................................ 253
21.3 CPU Rewrite Mode ................................................................................................................................ 255
21.3.1 EW0 Mode ..................................................................................................................................... 256
21.3.2 EW1 Mode ..................................................................................................................................... 256
21.3.3 FMR0, FMR1 Registers ................................................................................................................. 257
21.3.4 Precautions on CPU Rewrite Mode ............................................................................................... 262
21.3.5 Software Commands ..................................................................................................................... 264
21.3.6 Data Protect Function .................................................................................................................... 269
21.3.7 Status Register (SRD Register) ..................................................................................................... 269
21.3.8 Full Status Check ........................................................................................................................... 271
21.4 Standard Serial I/O Mode ...................................................................................................................... 273
21.4.1 ID Code Check Function ................................................................................................................ 273
21.4.2 Example of Circuit Application in Standard Serial I/O Mode .......................................................... 277
21.5 Parallel I/O Mode ................................................................................................................................... 278
21.5.1 User ROM and Boot ROM Areas ................................................................................................... 278
21.5.2 ROM Code Protect Function .......................................................................................................... 278
21.6 CAN I/O Mode ........................................................................................................................................ 279
21.6.1 ID Code Check Function ................................................................................................................ 279
21.6.2 Example of Circuit Application in CAN I/O Mode ........................................................................... 282
21.7 Electrical Characteristics ........................................................................................................................ 283
21.7.1 Electrical Characteristics (T/V-ver.) ................................................................................................ 283
21.7.2 Electrical Characteristics (Normal-ver.) .......................................................................................... 284
22. Electrical Characteristics ................................................................................................. 285
22.1 Electrical Characteristics (T/V-ver.) ........................................................................................................ 285
22.2 Electrical Characteristics (Normal-ver.) .................................................................................................. 306
23. Usage Precaution ............................................................................................................ 342
23.1 External Bus ........................................................................................................................................... 342
23.2 PLL Frequency Synthesizer ................................................................................................................... 343
23.3 Power Control ........................................................................................................................................ 344
23.4 Protection ............................................................................................................................................... 346
23.5 Interrupt .................................................................................................................................................. 347
23.5.1 Reading Address 00000h ............................................................................................................... 347
23.5.2 Setting SP ...................................................................................................................................... 347
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23.5.3 NMI Interrupt .................................................................................................................................. 347
23.5.4 Changing Interrupt Generate Factor .............................................................................................. 348
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23.5.5 INT Interrupt ................................................................................................................................... 348
23.5.6 Rewrite Interrupt Control Register ................................................................................................. 349
23.5.7 Watchdog Timer Interrupt .............................................................................................................. 349
A-5
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