R5F212AC中文资料(7)

瑞萨R8c中文资料

3.7堆栈基址寄存器（SB）................................................................................................................................... 393.8标志寄存器（FLG）........................................................................................................................................ 393.8.1进位标志（C标志） ..............................................................................................................................393.8.2调试标志（D标志） ..............................................................................................................................393.8.3零标志（Z标志） ..................................................................................................................................393.8.4符号标志（S标志） ...............................................................................................................................393.8.5寄存器组指定标志（B标志） ..............................................................................................................393.8.6上溢标志（O标志） ..............................................................................................................................403.8.7中断允许标志（I标志） .......................................................................................................................403.8.8堆栈指针指定标志（U标志） ..............................................................................................................403.8.9处理器中断优先级（IPL） ....................................................................................................................403.8.10保留位 ......................................................................................................................................................404.

存储器 ...................................................................................................................................................................414.1R8C/2A群.......................................................................................................................................................... 414.2R8C/2B群.......................................................................................................................................................... 42

SFR ......................................................................................................................................................43复位 ......................................................................................................................................................676.1硬件复位............................................................................................................................................................ 706.1.1电源稳定的情况 ......................................................................................................................................706.1.2接通电源的情况 ......................................................................................................................................706.2上电复位功能.................................................................................................................................................... 726.3电压监视0复位................................................................................................................................................ 736.4电压监视1复位................................................................................................................................................ 736.5电压监视2复位................................................................................................................................................ 736.6看门狗定时器复位............................................................................................................................................ 746.7软件复位............................................................................................................................................................ 74电压检测电路 .......................................................................................................................................757.1VCC输入电压的监视....................................................................................................................................... 827.1.1Vdet0的监视 ...........................................................................................................................................827.1.2Vdet1的监视 ...........................................................................................................................................827.1.3Vdet2的监视 ...........................................................................................................................................827.2电压监视0复位................................................................................................................................................ 837.3电压监视1中断和电压监视1复位................................................................................................................ 847.4电压监视2中断和电压监视2复位................................................................................................................ 86

可编程输入/输出端口 ..........................................................................................................................88

可编程输入/输出端口的功能......................................................................................................................... 88对外围功能的影响............................................................................................................................................ 89可编程输入/输出端口以外的引脚................................................................................................................. 89端口的设定...................................................................................................................................................... 104未使用引脚的处理.......................................................................................................................................... 124

5.6.

7.

8.8.18.28.38.48.59.

处理器模式 .........................................................................................................................................................1259.1处理器模式的种类.......................................................................................................................................... 125

总线控制 .............................................................................................................................................................126

10.

11.时钟产生电路 .....................................................................................................................................................12811.1XIN时钟.......................................................................................................................................................... 138