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Re: 低压检测
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版主
 
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unsigned POR :1; b0 定義此位元為 POR
unsigned BOR :1; 定義b1 unsigned IDLE :1; unsigned SLEEP :1; unsigned WDTO :1; unsigned SWDTEN :1; unsigned SWR :1; unsigned EXTR :1; 定義 b7 unsigned :5; // b8~b12 共五個位元保留 unsigned BGST :1; 定義 b13 unsigned IOPUWR :1; b14 unsigned TRAPR :1; b15
發表於: 2008/4/10 9:58
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低压检测
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新會員
 
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PIC30F6010A有低压检测功能吗？在它头文件里查到RCON寄存器的定义如下：
typedef struct tagRCONBITS { unsigned POR :1; unsigned BOR :1; unsigned IDLE :1; unsigned SLEEP :1; unsigned WDTO :1; unsigned SWDTEN :1; unsigned SWR :1; unsigned EXTR :1; unsigned :5; unsigned BGST :1; unsigned IOPUWR :1; unsigned TRAPR :1; } RCONBITS; 请问其中的unsigned :5;是什么意思啊？
發表於: 2008/4/10 9:39
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