论坛 › 活动专区 › ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */ ME.MCTL.R = 0x4000

勒布朗 发表于 2013-10-8 21:43:59

ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */ ME.MCTL.R = 0x

 ME.MCTL.R = 0x40005AF0;         /* Enter RUN0 Mode & Key */   ME.MCTL.R = 0x4000A50F; mpc5604的代码，这么多的.R啥意思，我是初学。

狼 发表于 2013-10-9 14:25:08

回复:ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */ ME.MCTL.R = 0x4

 你仔细看下单片机的头文件，寄存器的定义都在里面，R实际上是个联合体。

Hiker 发表于 2013-10-9 15:03:19

回复:ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */ ME.MCTL.R = 0x4

楼上正解，一般这种就是结构体，共用体，或者两者相互内嵌。

查看完整版本: ME.MCTL.R = 0x40005AF0; /* Enter RUN0 Mode & Key */ ME.MCTL.R = 0x4000