数码管的静态显示abcdefgdpdpbcdbafgcde.pptx

数码管的静态显示abcdefgdpdpcombcdbcomafgcde0/10/10/10/10/10/10/10/10/1数码管的显示原理:公共端和段选端提供相应的高低电平，点亮数码管对应段上的二极管电平由谁来提供呢？

abcdefgdpdpcombcdbcomafgcde0/10/10/10/10/10/10/10/10/1数码管的静态显示

abcdefgdpdpcombcdbcomafgcde0/10/10/10/10/10/10/10/10/1外围电路或CPU数码管的静态显示

数码管的静态显示

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEabcdefgdpdpbcdbcomafgcde数码管的静态显示

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEabcdefgdpdpbcdbcomafgcde数码管的静态显示

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEabcdefgdpdpbcdbcomafgcde数码管的静态显示

数码管的静态显示原理与LED发光二极管的闪烁控制任务相同

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEabcdefgdpdpbcdbcomafgcde数码管的静态显示限流电阻

锁存器1DC1QQ读锁存器BUF1写入1MUX地址/数据VCCP0.XBUF2读引脚控制内部总线VCCT1T2漏极开路数码管的静态显示P0口要输出高电平，必须外接上拉电阻

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEVCCabcdefgdpdpbcdbcomafgcde上拉电阻，保证P0口输出高电平数码管的静态显示

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEVCCabcdefgdpdpbcdbcomafgcdeVC0=11111001b数码管的静态显示P0数字dpgfedcba1111110010xf9

GNDVCCXTAL1XTAL2RSTP1.7P1.5P1.0P1.1P1.3P1.2P1.4P1.6P0.7P0.5P0.0P0.1P0.3P0.2P0.4P0.6P2.7P2.5P2.0P2.1P2.3P2.2P2.4P2.6P3.7P3.5P3.0P3.1P3.3P3.2P3.4P3.6EAPSENALEVCCabcdefgdpdpbcdbcomafgcdeVC码管的静态显示数码管静态显示每个数码管的段选端必须接一个8位数据线来保持显示的字型码，而且这个字形码会一直保持显示，直到输入另一个字型码才会改变。

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