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M16C/6N5 View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
M16C/6N5 SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Renesas
Renesas Electronics Renesas
M16C/6N5 Datasheet PDF : 400 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
20. Programmable I/O Ports ................................................................................................. 234
20.1 PDi Register ........................................................................................................................................... 234
20.2 Pi Register ............................................................................................................................................. 234
20.3 PURj Register ........................................................................................................................................ 234
20.4 PCR Register ......................................................................................................................................... 235
21. Flash Memory Version .................................................................................................... 247
21.1 Memory Map .......................................................................................................................................... 248
21.1.1 Boot Mode ...................................................................................................................................... 248
21.2 Functions to Prevent Flash Memory from Rewriting .............................................................................. 249
21.2.1 ROM Code Protect Function .......................................................................................................... 249
21.2.2 ID Code Check Function ................................................................................................................ 249
21.3 CPU Rewrite Mode ................................................................................................................................ 251
21.3.1 EW0 Mode ..................................................................................................................................... 252
21.3.2 EW1 Mode ..................................................................................................................................... 252
21.3.3 FMR0, FMR1 Registers ................................................................................................................. 253
21.3.4 Precautions on CPU Rewrite Mode ............................................................................................... 258
21.3.5 Software Commands ..................................................................................................................... 260
21.3.6 Data Protect Function .................................................................................................................... 265
21.3.7 Status Register (SRD Register) ..................................................................................................... 265
21.3.8 Full Status Check ........................................................................................................................... 267
21.4 Standard Serial I/O Mode ...................................................................................................................... 269
21.4.1 ID Code Check Function ................................................................................................................ 269
21.4.2 Example of Circuit Application in Standard Serial I/O Mode .......................................................... 273
21.5 Parallel I/O Mode ................................................................................................................................... 274
21.5.1 User ROM and Boot ROM Areas ................................................................................................... 274
21.5.2 ROM Code Protect Function .......................................................................................................... 274
21.6 CAN I/O Mode ........................................................................................................................................ 275
21.6.1 ID Code Check Function ................................................................................................................ 275
21.6.2 Example of Circuit Application in CAN I/O Mode ........................................................................... 278
21.7 Electrical Characteristics ........................................................................................................................ 279
21.7.1 Electrical Characteristics (T/V-ver.) ................................................................................................ 279
21.7.2 Electrical Characteristics (Normal-ver.) .......................................................................................... 280
22. Electrical Characteristics ................................................................................................. 281
22.1 Electrical Characteristics (T/V-ver.) ........................................................................................................ 281
22.2 Electrical Characteristics (Normal-ver.) .................................................................................................. 302
23. Usage Precaution ............................................................................................................ 338
23.1 External Bus ........................................................................................................................................... 338
23.2 PLL Frequency Synthesizer ................................................................................................................... 339
23.3 Power Control ........................................................................................................................................ 340
23.4 Protection ............................................................................................................................................... 342
23.5 Interrupt .................................................................................................................................................. 343
23.5.1 Reading Address 00000h ............................................................................................................... 343
23.5.2 Setting SP ...................................................................................................................................... 343
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23.5.3 NMI Interrupt .................................................................................................................................. 343
23.5.4 Changing Interrupt Generate Factor .............................................................................................. 344
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23.5.5 INT Interrupt ................................................................................................................................... 344
23.5.6 Rewrite Interrupt Control Register ................................................................................................. 345
23.5.7 Watchdog Timer Interrupt .............................................................................................................. 345
A-5
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