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R5F21132DFP Datasheet(PDF) 8 Page - Renesas Technology Corp |
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R5F21132DFP Datasheet(HTML) 8 Page - Renesas Technology Corp |
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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