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📄 4x4键盘扫描电路分析[avr论坛].mht

📁 4*4键盘扫描程序
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src=3D"http://www.iccavr.com/forum/skins/Default/topicface/face1.gif"></D=
IV><B></B></DIV>
<DIV=20
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WORD-BREAK: break-all; TEXT-INDENT: 0px; LINE-HEIGHT: normal; WORD-WRAP: =
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onload=3D"this.style.overflowX=3D'auto';">
<P>=D5=E2=B8=F6=CA=C7=BA=DC=D3=D0=BF=C9=C4=DC=B5=C4=A3=AC=BB=B9=D2=AA=BF=B4=
=D0=BE=C6=AC=CA=C7cmos=B5=E7=C6=BD=BB=B9=CA=C7TTL=B5=E7=C6=BD=A1=A3</P></=
DIV></DIV></DIV>
<DIV class=3Dpostbottom1>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
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src=3D"http://www.iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-9-27 =

12:15:00</DIV>
<DIV class=3Dpostie=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; =
TEXT-INDENT: 10px; PADDING-TOP: 0px; HEIGHT: 28px">
<DIV style=3D"FLOAT: right; MARGIN-RIGHT: 5px"><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D2&amp;ID=3D9&am=
p;page=3D1#top"><IMG=20
style=3D"BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; =
BORDER-BOTTOM-WIDTH: 0px; MARGIN: 4px; BORDER-RIGHT-WIDTH: 0px"=20
alt=3D"" src=3D"http://www.iccavr.com/forum/skins/Default/p_up.gif"></A> =
</DIV>
<DIV><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D7&amp;ID=3D11&a=
mp;page=3D1"><FONT=20
color=3D#0000ff>AVR=B5=A5=C6=AC=BB=FA=B3=F5=D1=A7=D5=DF=C3=E2=B7=D1=B8=A8=
=B5=BC=D1=A7=CF=B0=A3=AC=BB=B6=D3=AD=B3=F5=D1=A7=D5=DF=B2=CE=BC=D3=A3=AC=BB=
=B6=D3=AD=B8=DF=CA=D6=BC=D3=C8=EB=A1=A3</FONT></A></DIV></DIV></DIV><A=20
name=3D32></A>
<DIV class=3Dpostlary2>
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style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; =
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<DIV=20
style=3D"FILTER: glow(color=3D'#A6BA98',strength=3D'2'); FLOAT: left; =
WIDTH: 120px"><FONT=20
face=3DVerdana color=3D#61b713><B>AVR_AFA</B></FONT></DIV>
<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
0px"><IMG=20
alt=3D=CB=A7=B8=E7=D3=B4=A3=AC=D4=DA=CF=DF=A3=AC=D3=D0=C8=CB=D5=D2=CE=D2=C2=
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</DIV>
<DIV style=3D"FLOAT: left; MARGIN: 5px; WIDTH: 15px; TEXT-INDENT: 0px">
<SCRIPT language=3Djavascript type=3Dtext/javascript>document.write =
(astro('1983-12-28'));</SCRIPT>
</DIV></DIV>
<DIV><IMG height=3D31 alt=3D"" =
src=3D"http://www.iccavr.com/links/pic/logo.gif"=20
width=3D88></DIV>
<DIV><IMG style=3D"MARGIN: 5px 0px"=20
src=3D"http://www.iccavr.com/forum/skins/Default/star/level7.gif"></DIV>
<DIV>=B5=C8=BC=B6=A3=BA=F2=F9=F2=F0=CF=C0</DIV>
<DIV>=CE=C4=D5=C2=A3=BA897</DIV>
<DIV>=BB=FD=B7=D6=A3=BA5451</DIV>
<DIV>=C3=C5=C5=C9=A3=BA=D7=A8=D2=B5=C8=CB=D4=B1</DIV>
<DIV>=D7=A2=B2=E1=A3=BA2006=C4=EA9=D4=C211=C8=D5</DIV></DIV>
<DIV class=3Dpost>
<DIV>
<DIV style=3D"FLOAT: right">=B5=DA <FONT color=3Dred>6</FONT> =
=C2=A5</DIV>&nbsp;<A=20
href=3D"https://www.alipay.com/payto:quxianfaaf@163.com&amp;partner=3D208=
8002048522272"=20
target=3D_blank><IMG =
alt=3D=D3=C3=D6=A7=B8=B6=B1=A6=B8=F8AVR_AFA=B8=B6=BF=EE=BB=F2=B9=BA=C2=F2=
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src=3D"http://www.iccavr.com/forum/skins/Default/alipay_s.gif" =
align=3Dmiddle=20
border=3D0></A> <A href=3D"mailto:quxianfaaf@163.com"><IMG =
alt=3D=B5=E3=BB=F7=D5=E2=C0=EF=B7=A2=CB=CD=B5=E7=D7=D3=D3=CA=BC=FE=B8=F8A=
VR_AFA=20
src=3D"http://www.iccavr.com/forum/skins/Default/email.gif" =
align=3Dmiddle=20
border=3D0></A> <A href=3D"http://www.iccavr.com/" target=3D_blank><IMG=20
alt=3D=B7=C3=CE=CAAVR_AFA=B5=C4=D6=F7=D2=B3 =
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<HR>

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<DIV style=3D"FLOAT: left"><IMG alt=3D=B7=A2=CC=F9=D0=C4=C7=E9=20
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IV><B></B></DIV>
<DIV=20
style=3D"MARGIN-TOP: 10px; FONT-SIZE: 9pt; MIN-HEIGHT: 200px; =
WORD-BREAK: break-all; TEXT-INDENT: 0px; LINE-HEIGHT: normal; WORD-WRAP: =
break-word"=20
onload=3D"this.style.overflowX=3D'auto';">
<P>=B8=D5=B2=C5=B2=E9=C1=CB=D2=BB=CF=C2=BC=BC=CA=F5=CA=D6=B2=E1=A3=AC=B6=D4=
=D3=DA=CA=E4=C8=EB=B5=E7=C6=BD=CA=C7=D5=E2=D1=F9=D0=B4=B5=C4=A3=BA</P>
<P>=CA=E4=C8=EB=B8=DF=B5=E7=C6=BD &gt; =
0.6VCC=A3=AC=BE=CD=CA=C7=CB=B53V=D2=D4=C9=CF=B2=C5=CB=E3=B8=DF=B5=E7=C6=BD=
=A1=A3</P>
<P>=CA=E4=C8=EB=B5=CD=B5=E7=C6=BD &lt; =
0.2VCC=A3=AC=BE=CD=CA=C7=CB=B51V=D2=D4=CF=C2=B2=C5=CB=E3=B5=CD=B5=E7=C6=BD=
=A1=A3</P>
<P>=BF=B4=C0=B42.5V=C8=B7=CA=B5=B2=BB=B4=F3=B1=A3=CF=D5=A3=AC=B6=F8=C7=D2=
=D4=DA=BD=B2=B9=A6=C2=CA=BF=D8=D6=C6=B2=BF=B7=D6=BB=B9=BF=B4=B5=BD=A3=BA=A1=
=B0=B2=BB=D2=AA=C8=C3=CA=E4=C8=EB=BF=DA=B4=A6=D3=DA=D0=FC=BF=D5=D7=B4=CC=AC=
=BB=F21/2VCC=D7=B4=CC=AC=A3=AC=D5=E2=D1=F9=BB=E1=CF=FB=BA=C4=B5=E7=C1=F7=A1=
=B1=A3=AC=D2=B2=BE=CD=CA=C7=CB=B5=B4=A6=D3=DA1/2VCC=D7=B4=CC=ACCPU=D3=D0=BF=
=C9=C4=DC=B8=E3=B2=BB=B6=A8=A1=A3</P></DIV></DIV></DIV>
<DIV class=3Dpostbottom2>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
alt=3Dip=B5=D8=D6=B7=D2=D1=C9=E8=D6=C3=B1=A3=C3=DC=20
src=3D"http://www.iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-9-27 =

13:58:00</DIV>
<DIV class=3Dpostie=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; =
TEXT-INDENT: 10px; PADDING-TOP: 0px; HEIGHT: 28px">
<DIV style=3D"FLOAT: right; MARGIN-RIGHT: 5px"><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D2&amp;ID=3D9&am=
p;page=3D1#top"><IMG=20
style=3D"BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; =
BORDER-BOTTOM-WIDTH: 0px; MARGIN: 4px; BORDER-RIGHT-WIDTH: 0px"=20
alt=3D"" src=3D"http://www.iccavr.com/forum/skins/Default/p_up.gif"></A> =
</DIV>
<DIV><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D7&amp;ID=3D11&a=
mp;page=3D1"><FONT=20
color=3D#0000ff>AVR=B5=A5=C6=AC=BB=FA=B3=F5=D1=A7=D5=DF=C3=E2=B7=D1=B8=A8=
=B5=BC=D1=A7=CF=B0=A3=AC=BB=B6=D3=AD=B3=F5=D1=A7=D5=DF=B2=CE=BC=D3=A3=AC=BB=
=B6=D3=AD=B8=DF=CA=D6=BC=D3=C8=EB=A1=A3</FONT></A></DIV></DIV></DIV><A=20
name=3D63></A>
<DIV class=3Dpostlary1>
<DIV class=3Dpostuserinfo>
<DIV=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; =
LINE-HEIGHT: 30px; PADDING-TOP: 10px; HEIGHT: 30px">
<DIV=20
style=3D"FILTER: glow(color=3D'#A6BA98',strength=3D'2'); FLOAT: left; =
WIDTH: 120px"><FONT=20
face=3DVerdana color=3D#61b713><B>wgr</B></FONT></DIV>
<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
0px"><IMG=20
alt=3D=CB=A7=B8=E7=D3=B4=A3=AC=C0=EB=CF=DF=A3=AC=D3=D0=C8=CB=D5=D2=CE=D2=C2=
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</DIV>
<DIV style=3D"FLOAT: left; MARGIN: 5px; WIDTH: 15px; TEXT-INDENT: 0px">
<SCRIPT language=3Djavascript=20
type=3Dtext/javascript>document.write (astro(''));</SCRIPT>
</DIV></DIV>
<DIV><IMG height=3D32 alt=3D""=20
src=3D"http://www.iccavr.com/forum/Images/userface/image37.gif" =
width=3D32></DIV>
<DIV><IMG style=3D"MARGIN: 5px 0px"=20
src=3D"http://www.iccavr.com/forum/skins/Default/star/level0.gif"></DIV>
<DIV>=B5=C8=BC=B6=A3=BA=D0=C2=CA=D6=C9=CF=C2=B7</DIV>
<DIV>=CE=C4=D5=C2=A3=BA8</DIV>
<DIV>=BB=FD=B7=D6=A3=BA130</DIV>
<DIV>=C3=C5=C5=C9=A3=BA=CE=DE=C3=C5=CE=DE=C5=C9</DIV>
<DIV>=D7=A2=B2=E1=A3=BA2006=C4=EA10=D4=C25=C8=D5</DIV></DIV>
<DIV class=3Dpost>
<DIV>
<DIV style=3D"FLOAT: right">=B5=DA <FONT color=3Dred>7</FONT> =
=C2=A5</DIV>&nbsp;<A=20
href=3D"https://www.alipay.com/payto:yuquxue_wgr@163.com&amp;partner=3D20=
88002048522272"=20
target=3D_blank><IMG =
alt=3D=D3=C3=D6=A7=B8=B6=B1=A6=B8=F8wgr=B8=B6=BF=EE=BB=F2=B9=BA=C2=F2=C6=E4=
=C9=CC=C6=B7=A3=AC=D6=A7=B8=B6=B1=A6=BD=BB=D2=D7=C3=E2=CA=D6=D0=F8=B7=D1=A1=
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src=3D"http://www.iccavr.com/forum/skins/Default/alipay_s.gif" =
align=3Dmiddle=20
border=3D0></A> <A href=3D"mailto:yuquxue_wgr@163.com"><IMG =
alt=3D=B5=E3=BB=F7=D5=E2=C0=EF=B7=A2=CB=CD=B5=E7=D7=D3=D3=CA=BC=FE=B8=F8w=
gr=20
src=3D"http://www.iccavr.com/forum/skins/Default/email.gif" =
align=3Dmiddle=20
border=3D0></A> </DIV>
<HR>

<DIV style=3D"LINE-HEIGHT: 22px; HEIGHT: 22px">
<DIV style=3D"FLOAT: left"><IMG alt=3D=B7=A2=CC=F9=D0=C4=C7=E9=20
src=3D"http://www.iccavr.com/forum/skins/Default/topicface/face1.gif"></D=
IV><B></B></DIV>
<DIV=20
style=3D"MARGIN-TOP: 10px; FONT-SIZE: 9pt; MIN-HEIGHT: 200px; =
WORD-BREAK: break-all; TEXT-INDENT: 0px; LINE-HEIGHT: normal; WORD-WRAP: =
break-word"=20
onload=3D"this.style.overflowX=3D'auto';">
<P>=D1=AD=BB=B7=C9=A8=C3=E8=B7=A8=A1=A2=B2=E9=B1=ED=B7=A8=A1=A3</P>
<P>=C7=EB=CF=EA=CF=B8=BD=E2=CA=CD=D2=BB=CF=C2,=D0=BB=D0=BB!</P></DIV></DI=
V></DIV>
<DIV class=3Dpostbottom1>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
alt=3Dip=B5=D8=D6=B7=D2=D1=C9=E8=D6=C3=B1=A3=C3=DC=20
src=3D"http://www.iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-10-6 =

10:29:00</DIV>
<DIV class=3Dpostie=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; =
TEXT-INDENT: 10px; PADDING-TOP: 0px; HEIGHT: 28px">
<DIV style=3D"FLOAT: right; MARGIN-RIGHT: 5px"><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D2&amp;ID=3D9&am=
p;page=3D1#top"><IMG=20
style=3D"BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; =
BORDER-BOTTOM-WIDTH: 0px; MARGIN: 4px; BORDER-RIGHT-WIDTH: 0px"=20
alt=3D"" src=3D"http://www.iccavr.com/forum/skins/Default/p_up.gif"></A> =
</DIV>
<DIV><A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D7&amp;ID=3D11&a=
mp;page=3D1"><FONT=20
color=3D#0000ff>AVR=B5=A5=C6=AC=BB=FA=B3=F5=D1=A7=D5=DF=C3=E2=B7=D1=B8=A8=
=B5=BC=D1=A7=CF=B0=A3=AC=BB=B6=D3=AD=B3=F5=D1=A7=D5=DF=B2=CE=BC=D3=A3=AC=BB=
=B6=D3=AD=B8=DF=CA=D6=BC=D3=C8=EB=A1=A3</FONT></A></DIV></DIV></DIV><A=20
name=3D139></A>
<DIV class=3Dpostlary2>
<DIV class=3Dpostuserinfo>
<DIV=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; =
LINE-HEIGHT: 30px; PADDING-TOP: 10px; HEIGHT: 30px">
<DIV=20
style=3D"FILTER: glow(color=3D'#A6BA98',strength=3D'2'); FLOAT: left; =
WIDTH: 120px"><FONT=20
face=3DVerdana color=3D#61b713><B>vwtv</B></FONT></DIV>
<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
0px"><IMG=20
alt=3D=CB=A7=B8=E7=D3=B4=A3=AC=C0=EB=CF=DF=A3=AC=D3=D0=C8=CB=D5=D2=CE=D2=C2=
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</DIV>
<DIV style=3D"FLOAT: left; MARGIN: 5px; WIDTH: 15px; TEXT-INDENT: 0px">
<SCRIPT language=3Djavascript=20
type=3Dtext/javascript>document.write (astro(''));</SCRIPT>
</DIV></DIV>
<DIV><IMG height=3D32 alt=3D""=20
src=3D"http://www.iccavr.com/forum/Images/userface/image52.gif" =
width=3D32></DIV>
<DIV><IMG style=3D"MARGIN: 5px 0px"=20
src=3D"http://www.iccavr.com/forum/skins/Default/star/level0.gif"></DIV>
<DIV>=B5=C8=BC=B6=A3=BA=D0=C2=CA=D6=C9=CF=C2=B7</DIV>
<DIV>=CE=C4=D5=C2=A3=BA46</DIV>
<DIV>=BB=FD=B7=D6=A3=BA480</DIV>
<DIV>=C3=C5=C5=C9=A3=BA=CE=DE=C3=C5=CE=DE=C5=C9</DIV>
<DIV>=D7=A2=B2=E1=A3=BA2006=C4=EA9=D4=C228=C8=D5</DIV></DIV>
<DIV class=3Dpost>
<DIV>
<DIV style=3D"FLOAT: right">=B5=DA <FONT color=3Dred>8</FONT> =
=C2=A5</DIV>&nbsp;<A=20
href=3D"https://www.alipay.com/payto:vwtv@163.com&amp;partner=3D208800204=
8522272"=20
target=3D_blank><IMG =
alt=3D=D3=C3=D6=A7=B8=B6=B1=A6=B8=F8vwtv=B8=B6=BF=EE=BB=F2=B9=BA=C2=F2=C6=
=E4=C9=CC=C6=B7=A3=AC=D6=A7=B8=B6=B1=A6=BD=BB=D2=D7=C3=E2=CA=D6=D0=F8=B7=D1=
=A1=A2=B0=B2=C8=AB=A1=A2=BF=EC=BD=DD=A3=A1=20
src=3D"http://www.iccavr.com/forum/skins/Default/alipay_s.gif" =
align=3Dmiddle=20
border=3D0></A> <A href=3D"mailto:vwtv@163.com"><IMG =
alt=3D=B5=E3=BB=F7=D5=E2=C0=EF=B7=A2=CB=CD=B5=E7=D7=D3=D3=CA=BC=FE=B8=F8v=
wtv=20
src=3D"http://www.iccavr.com/forum/skins/Default/email.gif" =
align=3Dmiddle=20
border=3D0></A> </DIV>
<HR>

<DIV style=3D"LINE-HEIGHT: 22px; HEIGHT: 22px">
<DIV style=3D"FLOAT: left"><IMG alt=3D=B7=A2=CC=F9=D0=C4=C7=E9=20
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IV><B></B></DIV>
<DIV=20
style=3D"MARGIN-TOP: 10px; FONT-SIZE: 9pt; MIN-HEIGHT: 200px; =
WORD-BREAK: break-all; TEXT-INDENT: 0px; LINE-HEIGHT: normal; WORD-WRAP: =
break-word"=20
onload=3D"this.style.overflowX=3D'auto';">
<P>=B2=EE=B2=BB=B6=E0=C0=ED=BD=E2=D2=E2=CB=BC=C1=CB=A3=AC=BF=B4=C0=B4=D7=F6=
=BF=AA=B7=A2=BB=B9=D0=E8=D2=AA=D7=A2=D2=E2=A1=A3</P>
<P>=D2=AA=CA=C7=C4=DC=CC=E1=B9=A9=D2=BB=B8=F6=BC=F2=B5=A5=B5=E3=B5=C44X4=BC=
=FC=C5=CC=B6=C1=C8=A1=B3=CC=D0=F2=D7=EE=BA=C3=C1=CB=A1=A3</P></DIV></DIV>=
</DIV>
<DIV class=3Dpostbottom2>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
alt=3Dip=B5=D8=D6=B7=D2=D1=C9=E8=D6=C3=B1=A3=C3=DC=20
src=3D"http://www.iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-10-30=
12345

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