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        PIC16f1937 IO口配置

        作者: 時間:2016-11-18 來源:網(wǎng)絡(luò) 收藏
        配置pic161937為數(shù)字輸入的時候,首先要初使化ANSELx,否則讀為0.

        // Register: ANSELA
        volatile unsigned char ANSELA @ 0x18C;
        // bit and bitfield definitions
        volatile bit ANSA0 @ ((unsigned)&ANSELA*8)+0;
        volatile bit ANSA1 @ ((unsigned)&ANSELA*8)+1;
        volatile bit ANSA2 @ ((unsigned)&ANSELA*8)+2;
        volatile bit ANSA3 @ ((unsigned)&ANSELA*8)+3;
        volatile bit ANSA4 @ ((unsigned)&ANSELA*8)+4;
        volatile bit ANSA5 @ ((unsigned)&ANSELA*8)+5;
        #ifndef _LIB_BUILD
        union {
        struct {
        volatile unsigned ANSA0 : 1;
        volatile unsigned ANSA1 : 1;
        volatile unsigned ANSA2 : 1;
        volatile unsigned ANSA3 : 1;
        volatile unsigned ANSA4 : 1;
        volatile unsigned ANSA5 : 1;
        volatile unsigned : 1;
        volatile unsigned : 1;
        };
        struct {
        volatile unsigned ANSELA : 6;
        };
        } ANSELAbits @ 0x18C;
        #endif

        本文引用地址:http://www.104case.com/article/201611/315603.htm

        // Register: ANSELB
        volatile unsigned char ANSELB @ 0x18D;
        // bit and bitfield definitions
        volatile bit ANSB0 @ ((unsigned)&ANSELB*8)+0;
        volatile bit ANSB1 @ ((unsigned)&ANSELB*8)+1;
        volatile bit ANSB2 @ ((unsigned)&ANSELB*8)+2;
        volatile bit ANSB3 @ ((unsigned)&ANSELB*8)+3;
        volatile bit ANSB4 @ ((unsigned)&ANSELB*8)+4;
        volatile bit ANSB5 @ ((unsigned)&ANSELB*8)+5;
        #ifndef _LIB_BUILD
        union {
        struct {
        volatile unsigned ANSB0 : 1;
        volatile unsigned ANSB1 : 1;
        volatile unsigned ANSB2 : 1;
        volatile unsigned ANSB3 : 1;
        volatile unsigned ANSB4 : 1;
        volatile unsigned ANSB5 : 1;
        volatile unsigned : 2;
        };
        struct {
        volatile unsigned ANSELB : 6;
        };
        } ANSELBbits @ 0x18D;
        #endif

        // Register: ANSELD
        volatile unsigned char ANSELD @ 0x18F;
        // bit and bitfield definitions
        volatile bit ANSD0 @ ((unsigned)&ANSELD*8)+0;
        volatile bit ANSD1 @ ((unsigned)&ANSELD*8)+1;
        volatile bit ANSD2 @ ((unsigned)&ANSELD*8)+2;
        volatile bit ANSD3 @ ((unsigned)&ANSELD*8)+3;
        volatile bit ANSD4 @ ((unsigned)&ANSELD*8)+4;
        volatile bit ANSD5 @ ((unsigned)&ANSELD*8)+5;
        volatile bit ANSD6 @ ((unsigned)&ANSELD*8)+6;
        volatile bit ANSD7 @ ((unsigned)&ANSELD*8)+7;
        #ifndef _LIB_BUILD
        union {
        struct {
        volatile unsigned ANSD0 : 1;
        volatile unsigned ANSD1 : 1;
        volatile unsigned ANSD2 : 1;
        volatile unsigned ANSD3 : 1;
        volatile unsigned ANSD4 : 1;
        volatile unsigned ANSD5 : 1;
        volatile unsigned ANSD6 : 1;
        volatile unsigned ANSD7 : 1;
        };
        } ANSELDbits @ 0x18F;
        #endif

        // Register: ANSELE
        volatile unsigned char ANSELE @ 0x190;
        // bit and bitfield definitions
        volatile bit ANSE0 @ ((unsigned)&ANSELE*8)+0;
        volatile bit ANSE1 @ ((unsigned)&ANSELE*8)+1;
        volatile bit ANSE2 @ ((unsigned)&ANSELE*8)+2;
        #ifndef _LIB_BUILD
        union {
        struct {
        volatile unsigned ANSE0 : 1;
        volatile unsigned ANSE1 : 1;
        volatile unsigned ANSE2 : 1;
        volatile unsigned : 5;
        };
        struct {
        volatile unsigned ANSELE : 3;
        };
        } ANSELEbits @ 0x190;
        #endif
        // bit and bitfield definitions



        關(guān)鍵詞: PIC16f1937IO口配

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