R8C13 datasheet(8/224 Pages) RENESAS

8 / 224 page

A-4

Chapter 16. Electrical Characteristics ............................. 152

Chapter 17. Flash Memory Version ................................. 165

17.1 Overview .................................................................................................................... 165

17.2 Memory Map .............................................................................................................. 166

17.3 Functions To Prevent Flash Memory from Rewriting............................................ 167

17.3.1 ID Code Check Function .................................................................................................................. 167

17.4 CPU Rewrite Mode .................................................................................................... 168

17.4.1 EW0 Mode .......................................................................................................................................... 169

17.4.2 EW1 Mode .......................................................................................................................................... 169

17.4.3 Software Commands ........................................................................................................................ 175

17.4.4 Status Register .................................................................................................................................. 179

17.4.5 Full Status Check .............................................................................................................................. 180

17.5 Standard Serial I/O Mode ......................................................................................... 182

17.5.1 ID Code Check Function .................................................................................................................. 182

Chapter 18. On-chip Debugger ........................................ 186

18.1 Address Match Interrupt .......................................................................................... 186

18.2 Single Step Interrupt ................................................................................................ 186

18.3 UART1 ........................................................................................................................ 186

18.4 BRK Instruction ........................................................................................................ 186

Chapter 19. Usage Notes .................................................. 187

19.1 Stop Mode and Wait Mode ....................................................................................... 187

19.1.1 Stop Mode .......................................................................................................................................... 187

19.1.2 Wait Mode .......................................................................................................................................... 187

19.2 Interrupts ................................................................................................................... 188

19.2.1 Reading Address 0000016 ............................................................................................................................................ 188

19.2.2 SP Setting .......................................................................................................................................... 188

19.2.3 External Interrupt and Key Input Interrupt ..................................................................................... 188

19.2.4 Watchdog Timer Interrupt ................................................................................................................ 188

19.2.5 Changing Interrupt Factor ................................................................................................................ 189

19.2.6 Changing Interrupt Control Register .............................................................................................. 190

19.3 Clock Generation Circuit ......................................................................................... 191

19.3.1 Oscillation Stop Detection Function ............................................................................................... 191

19.3.2 Oscillation Circuit constants ........................................................................................................... 191

19.4 Timers ........................................................................................................................ 192

19.4.1 Timers X, Y and Z .............................................................................................................................. 192

19.4.2 Timer X ............................................................................................................................................... 192

19.4.3 Timer Y ............................................................................................................................................... 192

19.4.4 Timer Z ............................................................................................................................................... 192

19.4.5 Timer C ............................................................................................................................................... 192

19.5 Serial Interface .......................................................................................................... 193

19.6 A/D Converter ............................................................................................................ 194

19.7 Flash Memory Version ............................................................................................. 195

19.7.1 CPU Rewrite Mode ............................................................................................................................ 195

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