UART: Thinking how to delay sampling to mid clock
This commit is contained in:
Daniele Verducci su MatissePenguin
parent
35cb230ea6
commit
186689fd5c
@ -63,119 +63,129 @@
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<a name="clabel" val=""/>
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<a name="clabelup" val="east"/>
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<a name="clabelfont" val="SansSerif plain 12"/>
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<wire from="(400,430)" to="(400,500)"/>
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<wire from="(610,290)" to="(660,290)"/>
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<wire from="(370,610)" to="(420,610)"/>
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<wire from="(360,480)" to="(410,480)"/>
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<wire from="(300,580)" to="(300,590)"/>
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<wire from="(340,580)" to="(340,590)"/>
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<wire from="(320,560)" to="(320,580)"/>
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<wire from="(350,370)" to="(350,500)"/>
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<wire from="(210,490)" to="(210,500)"/>
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<wire from="(290,370)" to="(290,380)"/>
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<wire from="(420,520)" to="(540,520)"/>
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<wire from="(330,370)" to="(330,380)"/>
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<wire from="(370,370)" to="(370,380)"/>
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<wire from="(390,100)" to="(390,180)"/>
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<wire from="(420,180)" to="(420,210)"/>
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<wire from="(440,80)" to="(440,110)"/>
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<wire from="(410,370)" to="(410,400)"/>
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<wire from="(180,410)" to="(180,500)"/>
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<wire from="(250,380)" to="(290,380)"/>
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<wire from="(280,90)" to="(320,90)"/>
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<wire from="(290,180)" to="(330,180)"/>
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<wire from="(430,500)" to="(430,590)"/>
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<wire from="(400,170)" to="(440,170)"/>
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<wire from="(490,500)" to="(530,500)"/>
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<wire from="(350,100)" to="(350,200)"/>
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<wire from="(490,300)" to="(580,300)"/>
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<wire from="(410,110)" to="(440,110)"/>
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<wire from="(520,140)" to="(550,140)"/>
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<wire from="(640,310)" to="(660,310)"/>
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<wire from="(500,520)" to="(530,520)"/>
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<wire from="(830,490)" to="(830,660)"/>
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<wire from="(380,400)" to="(410,400)"/>
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<wire from="(320,190)" to="(340,190)"/>
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<wire from="(300,530)" to="(320,530)"/>
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<wire from="(410,480)" to="(430,480)"/>
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<wire from="(610,310)" to="(640,310)"/>
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<wire from="(430,470)" to="(440,470)"/>
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<wire from="(150,470)" to="(150,520)"/>
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<wire from="(490,90)" to="(500,90)"/>
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<wire from="(300,580)" to="(310,580)"/>
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<wire from="(440,470)" to="(440,590)"/>
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<wire from="(210,490)" to="(220,490)"/>
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<wire from="(440,80)" to="(500,80)"/>
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<wire from="(640,490)" to="(830,490)"/>
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<wire from="(200,490)" to="(200,500)"/>
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<wire from="(240,490)" to="(240,500)"/>
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<wire from="(270,520)" to="(320,520)"/>
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<wire from="(260,390)" to="(310,390)"/>
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<wire from="(410,100)" to="(410,110)"/>
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<wire from="(290,260)" to="(290,270)"/>
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<wire from="(290,580)" to="(290,590)"/>
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<wire from="(140,80)" to="(320,80)"/>
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<wire from="(330,580)" to="(330,590)"/>
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<wire from="(410,460)" to="(410,480)"/>
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<wire from="(490,460)" to="(490,480)"/>
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<wire from="(200,150)" to="(200,300)"/>
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<wire from="(220,470)" to="(220,490)"/>
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<wire from="(530,100)" to="(530,120)"/>
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<wire from="(390,410)" to="(430,410)"/>
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<wire from="(380,100)" to="(380,190)"/>
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<wire from="(340,100)" to="(340,190)"/>
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<wire from="(530,460)" to="(530,500)"/>
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<wire from="(330,410)" to="(330,500)"/>
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<wire from="(390,180)" to="(420,180)"/>
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<wire from="(660,180)" to="(660,290)"/>
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<wire from="(400,430)" to="(430,430)"/>
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<wire from="(510,100)" to="(510,260)"/>
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<wire from="(250,610)" to="(270,610)"/>
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<wire from="(360,480)" to="(360,590)"/>
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<wire from="(250,620)" to="(250,660)"/>
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<wire from="(440,170)" to="(440,210)"/>
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<wire from="(250,660)" to="(400,660)"/>
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<wire from="(520,610)" to="(720,610)"/>
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<wire from="(460,470)" to="(470,470)"/>
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<wire from="(290,580)" to="(300,580)"/>
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<wire from="(200,150)" to="(280,150)"/>
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<wire from="(330,580)" to="(340,580)"/>
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<wire from="(330,380)" to="(340,380)"/>
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<wire from="(200,490)" to="(210,490)"/>
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<wire from="(280,90)" to="(280,150)"/>
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<wire from="(530,120)" to="(610,120)"/>
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<wire from="(640,310)" to="(640,490)"/>
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<wire from="(350,470)" to="(350,590)"/>
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<wire from="(340,380)" to="(340,500)"/>
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<wire from="(190,490)" to="(190,500)"/>
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<wire from="(230,490)" to="(230,500)"/>
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<wire from="(340,200)" to="(340,210)"/>
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<wire from="(380,200)" to="(380,210)"/>
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<wire from="(320,580)" to="(320,590)"/>
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<wire from="(510,570)" to="(510,590)"/>
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<wire from="(310,370)" to="(310,390)"/>
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<wire from="(390,370)" to="(390,390)"/>
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<wire from="(290,180)" to="(290,260)"/>
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<wire from="(400,660)" to="(830,660)"/>
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<wire from="(330,100)" to="(330,180)"/>
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<wire from="(200,300)" to="(490,300)"/>
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<wire from="(490,500)" to="(490,590)"/>
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<wire from="(370,100)" to="(370,200)"/>
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<wire from="(480,490)" to="(480,590)"/>
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<wire from="(640,130)" to="(660,130)"/>
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<wire from="(250,620)" to="(270,620)"/>
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<wire from="(150,570)" to="(300,570)"/>
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<wire from="(380,190)" to="(400,190)"/>
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<wire from="(470,480)" to="(470,590)"/>
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<wire from="(580,140)" to="(610,140)"/>
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<wire from="(470,480)" to="(490,480)"/>
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<wire from="(280,460)" to="(280,500)"/>
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<wire from="(400,620)" to="(400,660)"/>
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<wire from="(280,500)" to="(430,500)"/>
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<wire from="(260,390)" to="(260,500)"/>
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<wire from="(150,530)" to="(150,570)"/>
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<wire from="(430,370)" to="(430,410)"/>
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<wire from="(150,520)" to="(170,520)"/>
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<wire from="(520,100)" to="(520,140)"/>
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<wire from="(340,200)" to="(350,200)"/>
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<wire from="(320,580)" to="(330,580)"/>
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<wire from="(360,380)" to="(370,380)"/>
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<wire from="(410,110)" to="(410,160)"/>
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<wire from="(460,160)" to="(460,210)"/>
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<wire from="(460,470)" to="(460,590)"/>
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<wire from="(190,490)" to="(200,490)"/>
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<wire from="(230,490)" to="(240,490)"/>
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<wire from="(250,380)" to="(250,500)"/>
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<wire from="(400,100)" to="(400,170)"/>
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<wire from="(500,520)" to="(500,590)"/>
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<wire from="(450,460)" to="(450,590)"/>
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<wire from="(410,160)" to="(460,160)"/>
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<wire from="(430,460)" to="(430,470)"/>
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<wire from="(390,460)" to="(390,470)"/>
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<wire from="(470,460)" to="(470,470)"/>
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<wire from="(310,580)" to="(310,590)"/>
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<wire from="(220,490)" to="(220,500)"/>
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<wire from="(640,310)" to="(640,570)"/>
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<wire from="(320,190)" to="(320,210)"/>
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<wire from="(400,190)" to="(400,210)"/>
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<wire from="(410,480)" to="(410,500)"/>
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<wire from="(490,90)" to="(490,300)"/>
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<wire from="(510,460)" to="(510,490)"/>
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<wire from="(350,470)" to="(390,470)"/>
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<wire from="(390,410)" to="(390,500)"/>
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<wire from="(660,130)" to="(660,150)"/>
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<wire from="(280,500)" to="(280,590)"/>
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<wire from="(290,260)" to="(510,260)"/>
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<wire from="(510,570)" to="(530,570)"/>
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<wire from="(480,490)" to="(510,490)"/>
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<wire from="(400,620)" to="(420,620)"/>
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<wire from="(380,400)" to="(380,500)"/>
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<wire from="(180,410)" to="(330,410)"/>
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<wire from="(300,570)" to="(640,570)"/>
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<wire from="(370,390)" to="(390,390)"/>
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<wire from="(180,370)" to="(180,410)"/>
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<wire from="(360,100)" to="(360,210)"/>
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<wire from="(310,580)" to="(320,580)"/>
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<wire from="(370,390)" to="(370,500)"/>
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<wire from="(300,530)" to="(300,570)"/>
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<wire from="(150,530)" to="(170,530)"/>
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<wire from="(370,200)" to="(380,200)"/>
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<wire from="(250,560)" to="(250,610)"/>
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<wire from="(220,490)" to="(230,490)"/>
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<wire from="(360,380)" to="(360,500)"/>
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<comp lib="0" loc="(430,430)" name="Ground"/>
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<comp lib="1" loc="(580,300)" name="AND Gate">
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<a name="facing" val="west"/>
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<a name="size" val="30"/>
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<a name="inputs" val="2"/>
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</comp>
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<comp lib="0" loc="(510,460)" name="Pin">
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<comp lib="0" loc="(150,470)" name="Power"/>
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<comp lib="0" loc="(220,470)" name="Power"/>
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<comp lib="0" loc="(410,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="4" loc="(320,520)" name="Shift Register"/>
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<comp lib="0" loc="(390,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(430,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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@ -184,13 +194,13 @@
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="4" loc="(420,610)" name="Shift Register"/>
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<comp lib="0" loc="(530,520)" name="Ground"/>
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<comp lib="1" loc="(580,140)" name="NOT Gate"/>
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<comp lib="0" loc="(410,460)" name="Pin">
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<comp lib="0" loc="(180,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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<a name="label" val="Wr"/>
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<a name="labelloc" val="north"/>
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</comp>
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<comp lib="1" loc="(580,140)" name="NOT Gate"/>
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<comp lib="1" loc="(640,130)" name="AND Gate">
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<a name="size" val="30"/>
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<a name="inputs" val="2"/>
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@ -200,16 +210,7 @@
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(490,460)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(320,560)" name="Power"/>
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<comp lib="4" loc="(320,80)" name="Shift Register"/>
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<comp lib="0" loc="(430,460)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(660,310)" name="Clock">
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<a name="facing" val="west"/>
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</comp>
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@ -218,25 +219,17 @@
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(530,460)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(280,460)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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<a name="label" val="Wr"/>
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<a name="labelloc" val="north"/>
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</comp>
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<comp lib="0" loc="(530,570)" name="Power"/>
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<comp lib="0" loc="(320,210)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(470,460)" name="Pin">
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<a name="facing" val="south"/>
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<comp lib="0" loc="(540,520)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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<a name="label" val="Tx"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="0" loc="(290,270)" name="Pin">
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<a name="facing" val="north"/>
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@ -247,7 +240,11 @@
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<a name="tristate" val="false"/>
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<a name="label" val="Rx"/>
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</comp>
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<comp lib="0" loc="(450,460)" name="Pin">
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<comp lib="0" loc="(290,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(350,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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@ -262,31 +259,32 @@
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(430,480)" name="Power"/>
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<comp lib="4" loc="(170,520)" name="Shift Register"/>
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<comp lib="0" loc="(370,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(330,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(340,210)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="4" loc="(270,610)" name="Shift Register"/>
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<comp lib="0" loc="(250,560)" name="Power"/>
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<comp lib="0" loc="(420,210)" name="Pin">
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<a name="facing" val="north"/>
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<a name="output" val="true"/>
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<a name="tristate" val="false"/>
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</comp>
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<comp lib="0" loc="(720,610)" name="Pin">
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<a name="facing" val="west"/>
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<a name="output" val="true"/>
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<comp lib="0" loc="(310,370)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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<a name="label" val="Tx"/>
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<a name="labelloc" val="east"/>
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</comp>
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<comp lib="1" loc="(660,180)" name="NOT Gate">
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<a name="facing" val="south"/>
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</comp>
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<comp lib="0" loc="(390,460)" name="Pin">
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<a name="facing" val="south"/>
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<a name="tristate" val="false"/>
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</comp>
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</circuit>
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</project>
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87
pat80-io-devices/uart/hardware/wip_delay.circ
Normal file
87
pat80-io-devices/uart/hardware/wip_delay.circ
Normal file
@ -0,0 +1,87 @@
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<project source="2.7.1" version="1.0">
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This file is intended to be loaded by Logisim (http://www.cburch.com/logisim/).
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<lib desc="#Wiring" name="0"/>
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<lib desc="#Gates" name="1">
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<tool name="NAND Gate">
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<a name="size" val="30"/>
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||||
<a name="inputs" val="2"/>
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</tool>
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</lib>
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<lib desc="#Plexers" name="2"/>
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<lib desc="#Arithmetic" name="3"/>
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<lib desc="#Memory" name="4"/>
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<lib desc="#I/O" name="5"/>
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<lib desc="#Base" name="6">
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<tool name="Text Tool">
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||||
<a name="text" val=""/>
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||||
<a name="font" val="SansSerif plain 12"/>
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||||
<a name="halign" val="center"/>
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||||
<a name="valign" val="base"/>
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</tool>
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</lib>
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<main name="main"/>
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<options>
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<a name="gateUndefined" val="ignore"/>
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<a name="simlimit" val="1000"/>
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||||
<a name="simrand" val="0"/>
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</options>
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<mappings>
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||||
<tool lib="6" map="Button2" name="Menu Tool"/>
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||||
<tool lib="6" map="Button3" name="Menu Tool"/>
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||||
<tool lib="6" map="Ctrl Button1" name="Menu Tool"/>
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||||
</mappings>
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||||
<toolbar>
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||||
<tool lib="6" name="Poke Tool"/>
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||||
<tool lib="6" name="Edit Tool"/>
|
||||
<tool lib="6" name="Text Tool">
|
||||
<a name="text" val=""/>
|
||||
<a name="font" val="SansSerif plain 12"/>
|
||||
<a name="halign" val="center"/>
|
||||
<a name="valign" val="base"/>
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||||
</tool>
|
||||
<sep/>
|
||||
<tool lib="0" name="Pin">
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||||
<a name="tristate" val="false"/>
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||||
</tool>
|
||||
<tool lib="0" name="Pin">
|
||||
<a name="facing" val="west"/>
|
||||
<a name="output" val="true"/>
|
||||
<a name="labelloc" val="east"/>
|
||||
</tool>
|
||||
<tool lib="1" name="NOT Gate"/>
|
||||
<tool lib="1" name="AND Gate"/>
|
||||
<tool lib="1" name="OR Gate"/>
|
||||
</toolbar>
|
||||
<circuit name="main">
|
||||
<a name="circuit" val="main"/>
|
||||
<a name="clabel" val=""/>
|
||||
<a name="clabelup" val="east"/>
|
||||
<a name="clabelfont" val="SansSerif plain 12"/>
|
||||
<wire from="(180,160)" to="(340,160)"/>
|
||||
<wire from="(160,210)" to="(170,210)"/>
|
||||
<wire from="(180,150)" to="(180,160)"/>
|
||||
<wire from="(190,130)" to="(230,130)"/>
|
||||
<wire from="(260,140)" to="(260,250)"/>
|
||||
<wire from="(340,130)" to="(340,160)"/>
|
||||
<wire from="(260,140)" to="(300,140)"/>
|
||||
<wire from="(250,120)" to="(300,120)"/>
|
||||
<wire from="(170,150)" to="(170,210)"/>
|
||||
<wire from="(160,250)" to="(260,250)"/>
|
||||
<comp lib="0" loc="(160,210)" name="Clock"/>
|
||||
<comp lib="0" loc="(160,250)" name="Pin">
|
||||
<a name="tristate" val="false"/>
|
||||
<a name="label" val="Rx"/>
|
||||
</comp>
|
||||
<comp lib="0" loc="(230,130)" name="Splitter">
|
||||
<a name="fanout" val="8"/>
|
||||
<a name="incoming" val="8"/>
|
||||
</comp>
|
||||
<comp lib="1" loc="(340,130)" name="NAND Gate">
|
||||
<a name="size" val="30"/>
|
||||
<a name="inputs" val="2"/>
|
||||
</comp>
|
||||
<comp lib="4" loc="(190,130)" name="Counter"/>
|
||||
</circuit>
|
||||
</project>
|
||||
Loading…
Reference in New Issue
Block a user