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DIP拔码开关的功能介绍。

发布日期:2018-07-31 浏览次数: 1675

1、你的电路板上,衔接P1口的插座旁,由于有二极管阻隔,偏置电阻一般是衔接低电平,衔接有避免输入端悬空的偏置电阻,当BCD拨码开关选中的输出端,将输出高电平,其它输入端仍保持低电平输入状况衔接8421拨码(BCD码)开关时,一般开关上留有装阻隔二极管的方位.

足彩app2、DUQUP1KOUBINGQUFAN; //,CILIZHONGBIJISHUJU“2”/YONGLAIJICUNP1KOUDEZHUANGKUANGtemp_P1=~P1void read(){unsigned char ge,CHENGGONGBADANPIANJIP1;/,P1;10,shi;ZHICI;/,P1;DUQUERJINZHISHU0000 1100DEGEWEI; / /.0.1;/.2;/,BINGBIELIBAOCUNZAIBIANLIANGshi;/YONGLIANGGEBIANLIANGLAIJICUNBIANHUANHOUDEGEWEI(ge)YUSHIWEI(shi)unsigned char temp_P1;/,P1,LIRUP1KOUWEI1010 1100ZEtemp_P1=0101 1100temp_P1=temp_P1&0x0f;//,CILIZHONGBIJISHUJU“1”ge=temp_P1%10; /QUDIAOGAO4WEIHOUtemp_P1=0000 1100shi=temp_P1/DUQUERJINZHISHU0000 1100DESHIWEI.3ZHUANGKUANG(1100)BIANHUANCHENGSHIJINZHISHU12。ctioftampa.com

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