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M16C6NL View Datasheet(PDF) - Renesas Electronics

Part NameDescriptionManufacturer
M16C6NL SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER Renesas
Renesas Electronics Renesas
M16C6NL Datasheet PDF : 388 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
20. Programmable I/O Ports ................................................................................................. 243
20.1 PDi Register ........................................................................................................................................... 244
20.2 Pi Register, PC14 Register .................................................................................................................... 244
20.3 PURj Register ........................................................................................................................................ 244
20.4 PCR Register ......................................................................................................................................... 244
21. Flash Memory Version .................................................................................................... 256
21.1 Memory Map .......................................................................................................................................... 257
21.1.1 Boot Mode ...................................................................................................................................... 258
21.2 Functions to Prevent Flash Memory from Rewriting .............................................................................. 258
21.2.1 ROM Code Protect Function .......................................................................................................... 258
21.2.2 ID Code Check Function ................................................................................................................ 258
21.3 CPU Rewrite Mode ................................................................................................................................ 260
21.3.1 EW0 Mode ..................................................................................................................................... 261
21.3.2 EW1 Mode ..................................................................................................................................... 261
21.3.3 FMR0, FMR1 Registers ................................................................................................................. 262
21.3.4 Precautions on CPU Rewrite Mode ............................................................................................... 267
21.3.5 Software Commands ..................................................................................................................... 269
21.3.6 Data Protect Function .................................................................................................................... 274
21.3.7 Status Register (SRD Register) ..................................................................................................... 274
21.3.8 Full Status Check ........................................................................................................................... 276
21.4 Standard Serial I/O Mode ...................................................................................................................... 278
21.4.1 ID Code Check Function ................................................................................................................ 278
21.4.2 Example of Circuit Application in Standard Serial I/O Mode .......................................................... 282
21.5 Parallel I/O Mode ................................................................................................................................... 283
21.5.1 User ROM and Boot ROM Areas ................................................................................................... 283
21.5.2 ROM Code Protect Function .......................................................................................................... 283
21.6 CAN I/O Mode ........................................................................................................................................ 284
21.6.1 ID Code Check Function ................................................................................................................ 284
21.6.2 Example of Circuit Application in CAN I/O Mode ........................................................................... 287
22. Electrical Characteristics ................................................................................................. 288
22.1 Electrical Characteristics ........................................................................................................................ 288
23. Usage Precaution ............................................................................................................ 324
23.1 SFR ........................................................................................................................................................ 324
23.2 External Bus ........................................................................................................................................... 325
23.3 External Clock ........................................................................................................................................ 326
23.4 PLL Frequency Synthesizer ................................................................................................................... 327
23.5 Power Control ........................................................................................................................................ 328
23.3 Oscillation Stop, Re-oscillation Detection Function ............................................................................... 330
23.7 Protection ............................................................................................................................................... 331
23.8 Interrupt .................................................................................................................................................. 332
23.8.1 Reading Address 00000h ............................................................................................................... 332
23.8.2 Setting SP ...................................................................................................................................... 332
_______
23.8.3 NMI Interrupt .................................................................................................................................. 332
23.8.4 Changing Interrupt Generate Factor .............................................................................................. 333
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23.8.5 INT Interrupt ................................................................................................................................... 333
23.8.6 Rewrite Interrupt Control Register ................................................................................................. 334
23.8.7 Watchdog Timer Interrupt .............................................................................................................. 334
A-5
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