R5F212AC中文资料(6)

瑞萨R8c中文资料

目　录

地址-页速查表 .........................................................................................................................速查表-11.

概要 ........................................................................................................................................................11.1特点...................................................................................................................................................................... 11.1.1应用 ............................................................................................................................................................11.1.2规格概要 ....................................................................................................................................................21.2产品一览表.......................................................................................................................................................... 61.3框图...................................................................................................................................................................... 81.4引脚配置图.......................................................................................................................................................... 91.5引脚功能说明.................................................................................................................................................... 12使用时的注意事项 ...............................................................................................................................................142.1时钟产生电路的使用注意事项........................................................................................................................ 142.1.1停止模式 ..................................................................................................................................................142.1.2等待模式 ..................................................................................................................................................142.1.3振荡停止检测功能 ..................................................................................................................................142.1.4振荡电路常数 ..........................................................................................................................................142.2中断的使用注意事项........................................................................................................................................ 152.2.1地址00000h的读取 ................................................................................................................................152.2.2SP的设定 ................................................................................................................................................152.2.3外部中断和键输入中断 ..........................................................................................................................152.2.4中断源的更改 ..........................................................................................................................................162.2.5中断控制寄存器的更改 ..........................................................................................................................172.3定时器................................................................................................................................................................ 182.3.1定时器RA的使用注意事项 ..................................................................................................................182.3.2定时器RB的使用注意事项 ..................................................................................................................192.3.3定时器RC的使用注意事项 ..................................................................................................................202.3.4定时器RD的使用注意事项 ..................................................................................................................222.3.5定时器RE的使用注意事项 ...................................................................................................................282.3.6定时器RF的使用注意事项 ...................................................................................................................302.4串行接口的使用注意事项................................................................................................................................ 312.5时钟同步串行接口的使用注意事项................................................................................................................ 322.5.1带片选的时钟同步串行I/O的使用注意事项 ......................................................................................322.5.2I2C总线接口的使用注意事项 ...............................................................................................................322.6硬件LIN的使用注意事项............................................................................................................................... 342.7A/D转换器的使用注意事项............................................................................................................................ 342.8闪存的使用注意事项........................................................................................................................................ 352.8.1CPU改写模式 .........................................................................................................................................352.9有关噪声的注意事项........................................................................................................................................ 372.9.1作为噪声和闩锁对策，在VCC引脚和VSS引脚之间插入旁路电容 ..............................................372.9.2端口控制寄存器的噪声误动作对策 ......................................................................................................37

中央处理器（CPU） ............................................................................................................................38

数据寄存器（R0、R1、R2、R3）.............................................................................................................. 39地址寄存器（A0、A1）................................................................................................................................. 39帧基址寄存器（FB）....................................................................................................................................... 39中断表寄存器（INTB）................................................................................................................................... 39程序计数器（PC）........................................................................................................................................... 39用户堆栈指针（USP）和中断堆栈指针（ISP）.......................................................................................... 39

2.

3.3.13.23.33.43.53.6

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