![](http://datasheet.mmic.net.cn/120000/R5F21388SDFP_datasheet_3573603/R5F21388SDFP_21.png)
A - 14
26.8
Notes on Flash Memory ............................................................................................................................... 661
26.8.1
CPU Rewrite Mode ................................................................................................................................. 661
29.1
Notes on System Control ............................................................................................................................. 694
29.1.1
Option Function Select Area Setting Examples ...................................................................................... 694
29.2
Notes on Clock Generation Circuit .............................................................................................................. 695
29.2.1
Oscillation Stop Detection Function ........................................................................................................ 695
29.2.2
Oscillation Circuit Constants ................................................................................................................... 695
29.3
Notes on Power Control ............................................................................................................................... 696
29.3.1
Stop Mode ................................................................................................................................................ 696
29.3.2
Wait Mode ............................................................................................................................................... 696
29.4
Notes on Interrupts ....................................................................................................................................... 697
29.4.1
Reading Address 00000h ......................................................................................................................... 697
29.4.2
SP Setting ................................................................................................................................................ 697
29.4.3
External Interrupt, Key Input Interrupt .................................................................................................... 697
29.4.4
Changing Interrupt Sources ..................................................................................................................... 698
29.4.5
Rewriting Interrupt Control Register ....................................................................................................... 699
29.5
Notes on DTC .............................................................................................................................................. 700
29.5.1
DTC Activation Source ........................................................................................................................... 700
29.5.2
DTCENi Registers (i = 0 to 3, 5, or 6) .................................................................................................... 700
29.5.3
Peripheral Modules .................................................................................................................................. 700
29.5.4
Interrupt Requests .................................................................................................................................... 700
29.5.5
DTC Activation ....................................................................................................................................... 700