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),(),(),(QXFYqqqxxxfyqqqxxxfylijli输出方程21211212111),(),(),(QXFYqqqxxxgzqqqxxxgzlikli驱动方程21211212111),(*),(),(*QZHQqqqzzzhqqqqzzzhqlillli状态方程2121212111仅取决于电路状态有关、与)(),(QFYQXQXFY2321331212132111QKQQJQQKQJKQQJ,)(, )(.写驱动方程: 32321323121213212QQQQQQQQQQQQQQQQQKQJQJK*)(*.,得状态方程:触发器的特性方程(代入323QQY 输出方程.TTL电路电路YQQQQQQ*123123YQQQCLK123 3232132312121321QQQQQQQQQQQQQQQQ*)(*32QQY 212111QQADQD驱动方程:)(212112QQAQDQ*)(状态方程:212121213QQAQQAQQAQQAY )()()(输出方程:AYQQ*1212QQTTL电路1131clkQQQ *222clkQQ *改变随高电平期间DQclkLS 7574功能。有异步置状态无关,存入,与此前后的时,将01757430DDDCLKHC翻转一级触发器原来的状态到达时,各触发器按前所以触发器有延迟时间因为CLKtpd位数据依次右移1数据运算并代码转换,串应用:1S0S1S0S11111012010011011QQQQSQSRDSSQSSQSSQSSS *的工作状态就可以选择通过控制19401SS2D 10021TQQQTiii.ETEPDLRCLKD10021TQQQTiii.加/减计数器加/减计数结果加/减计数器计数结果两种解决方案DUDLSCLKI101010TQDUQDUTijjijji)()(DUijjDijjUiCLKCLKCLKQCLKQCLKCLK0101001012QQCLKQQCLKCLKDU10T3001QQQT212QQT 030120123QQQQQQQQT能自启动ETEPDLRCLKD10T)( 123001QQQQQT)( 32101012QQQQQQQT0123QQQT 能自启动1 2 3 4 5 6 7 8 9 10J=0J=1J=0J=K=1J=1J=0N进制M进制MNMN同步置零法异步置零法同步预置数法异步预置数法ETEPDLRCLKD信信号号作作用用时时间间短短缺缺点点:置置0ETEPDLRCLKD并行进位法串行进位法ETEPDLRCLKD整体置零(异步)整体置数(同步)发生的序列:0001011101QQ210SSS、011XQXQQ*010QQXQ*1XQY 11011011QXQXQQQXQXQQ)()()(*0010101QQQXQQXQ)(*011XQXQQ*010QQXQ*1XQY 110100000101YQQXYQQX,时,时,*能自启动
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