<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.1.0">
<drawing>
<board>
<plain>
<wire x1="-0.47" y1="-0.63" x2="99.53" y2="-0.63" width="0" layer="20"/>
<wire x1="99.53" y1="-0.63" x2="99.53" y2="79.37" width="0" layer="20"/>
<wire x1="99.53" y1="79.37" x2="-0.47" y2="79.37" width="0" layer="20"/>
<wire x1="-0.47" y1="79.37" x2="-0.47" y2="-0.63" width="0" layer="20"/>
<text>Type AUTO; to Autoroute</text>
</plain>
<libraries>
<library name="65XXX">
<packages>
<package name="DIP-40">
</package>
<package name="DIP-28">
</package>
<package name="DIP-40@2">
</package>
</packages>
</library>
<library name="MYLIB0">
<packages>
<package name="DIL24">
</package>
</packages>
</library>
<library name="DISCRETE">
<packages>
<package name="R-10">
</package>
<package name="ES-2,5">
</package>
</packages>
</library>
<library name="SPECIAL">
<packages>
<package name="EDG-01">
</package>
</packages>
</library>
<library name="OTHER">
<packages>
<package name="DIL14">
</package>
<package name="DIL14-4">
</package>
<package name="DIL20">
</package>
</packages>
</library>
<library name="74XX">
<packages>
<package name="DIL-16">
</package>
<package name="DIL-14">
</package>
</packages>
</library>
<library name="CONNECT">
<packages>
<package name="D-25M">
</package>
</packages>
</library>
<library name="MEMORY">
<packages>
<package name="DIL-28">
</package>
</packages>
</library>
<library name="PINHEAD">
<packages>
<package name="1X03">
</package>
<package name="1X22">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U8" library="65XXX" package="DIP-40" value="6522"/>
<element name="U6" library="65XXX" package="DIP-28" value="6551"/>
<element name="U1" library="65XXX" package="DIP-40@2" value="65C02"/>
<element name="R2" library="DISCRETE" package="R-10" value="1K"/>
<element name="R1" library="DISCRETE" package="R-10" value="10K"/>
<element name="C1" library="DISCRETE" package="ES-2,5" value="10µF"/>
<element name="S1" library="SPECIAL" package="EDG-01" value="PUSH-BUTTON"/>
<element name="X1" library="OTHER" package="DIL14" value="1.000_MHz"/>
<element name="U3" library="74XX" package="DIL-16" value="74139"/>
<element name="U2" library="74XX" package="DIL-14" value="7404"/>
<element name="J1" library="CONNECT" package="D-25M" value="DB-25"/>
<element name="X2" library="OTHER" package="DIL14-4" value="1.8432_MHz"/>
<element name="U7" library="OTHER" package="DIL20" value="MAX233"/>
<element name="U4" library="MYLIB0" package="DIL24" value="6116"/>
<element name="U5" library="MEMORY" package="DIL-28" value="2864"/>
<element name="J2" library="PINHEAD" package="1X03" value="2K/8K"/>
<element name="J3" library="PINHEAD" package="1X22" value="HDR22"/>
</elements>
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<signal name="VCC">
<contactref element="R1" pad="1"/>
<contactref element="U1" pad="6"/>
<contactref element="J2" pad="1"/>
<contactref element="U2" pad="14"/>
<contactref element="X2" pad="14"/>
<contactref element="X1" pad="14"/>
<contactref element="U4" pad="24"/>
<contactref element="U6" pad="15"/>
<contactref element="U1" pad="8"/>
<contactref element="U8" pad="20"/>
<contactref element="U7" pad="7"/>
<contactref element="U3" pad="16"/>
<contactref element="U5" pad="28"/>
</signal>
<signal name="D7">
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<contactref element="U4" pad="17"/>
<contactref element="U5" pad="19"/>
<contactref element="U6" pad="25"/>
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</signal>
<signal name="D6">
<contactref element="U8" pad="27"/>
<contactref element="U4" pad="16"/>
<contactref element="U5" pad="18"/>
<contactref element="U6" pad="24"/>
<contactref element="U1" pad="27"/>
</signal>
<signal name="D5">
<contactref element="U8" pad="28"/>
<contactref element="U4" pad="15"/>
<contactref element="U5" pad="17"/>
<contactref element="U6" pad="23"/>
<contactref element="U1" pad="28"/>
</signal>
<signal name="D4">
<contactref element="U8" pad="29"/>
<contactref element="U4" pad="14"/>
<contactref element="U5" pad="16"/>
<contactref element="U6" pad="22"/>
<contactref element="U1" pad="29"/>
</signal>
<signal name="D3">
<contactref element="U8" pad="30"/>
<contactref element="U4" pad="13"/>
<contactref element="U5" pad="15"/>
<contactref element="U6" pad="21"/>
<contactref element="U1" pad="30"/>
</signal>
<signal name="D2">
<contactref element="U8" pad="31"/>
<contactref element="U4" pad="11"/>
<contactref element="U5" pad="13"/>
<contactref element="U6" pad="20"/>
<contactref element="U1" pad="31"/>
</signal>
<signal name="D1">
<contactref element="U8" pad="32"/>
<contactref element="U4" pad="10"/>
<contactref element="U5" pad="12"/>
<contactref element="U6" pad="19"/>
<contactref element="U1" pad="32"/>
</signal>
<signal name="D0">
<contactref element="U8" pad="33"/>
<contactref element="U4" pad="9"/>
<contactref element="U5" pad="11"/>
<contactref element="U6" pad="18"/>
<contactref element="U1" pad="33"/>
</signal>
<signal name="A15">
<contactref element="U1" pad="25"/>
<contactref element="U3" pad="13"/>
<contactref element="U2" pad="1"/>
<contactref element="U4" pad="18"/>
</signal>
<signal name="A14">
<contactref element="U1" pad="24"/>
<contactref element="U3" pad="3"/>
</signal>
<signal name="A13">
<contactref element="U1" pad="23"/>
<contactref element="U3" pad="2"/>
</signal>
<signal name="A12">
<contactref element="U1" pad="22"/>
<contactref element="U2" pad="3"/>
<contactref element="U6" pad="2"/>
<contactref element="U5" pad="2"/>
</signal>
<signal name="A11">
<contactref element="U1" pad="20"/>
<contactref element="J2" pad="2"/>
</signal>
<signal name="A10">
<contactref element="U1" pad="19"/>
<contactref element="U4" pad="19"/>
<contactref element="U5" pad="21"/>
</signal>
<signal name="A9">
<contactref element="U1" pad="18"/>
<contactref element="U4" pad="22"/>
<contactref element="U5" pad="24"/>
</signal>
<signal name="A8">
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<contactref element="U4" pad="23"/>
<contactref element="U5" pad="25"/>
</signal>
<signal name="A7">
<contactref element="U1" pad="16"/>
<contactref element="U4" pad="1"/>
<contactref element="U5" pad="3"/>
</signal>
<signal name="A6">
<contactref element="U1" pad="15"/>
<contactref element="U4" pad="2"/>
<contactref element="U5" pad="4"/>
</signal>
<signal name="A5">
<contactref element="U1" pad="14"/>
<contactref element="U4" pad="3"/>
<contactref element="U5" pad="5"/>
</signal>
<signal name="A4">
<contactref element="U1" pad="13"/>
<contactref element="U4" pad="4"/>
<contactref element="U5" pad="6"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="12"/>
<contactref element="U8" pad="35"/>
<contactref element="U4" pad="5"/>
<contactref element="U5" pad="7"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="11"/>
<contactref element="U8" pad="36"/>
<contactref element="U4" pad="6"/>
<contactref element="U5" pad="8"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="10"/>
<contactref element="U8" pad="37"/>
<contactref element="U6" pad="14"/>
<contactref element="U4" pad="7"/>
<contactref element="U5" pad="9"/>
</signal>
<signal name="A0">
<contactref element="U1" pad="9"/>
<contactref element="U8" pad="38"/>
<contactref element="U6" pad="13"/>
<contactref element="U4" pad="8"/>
<contactref element="U5" pad="10"/>
</signal>
<signal name="N$1">
<contactref element="R2" pad="1"/>
<contactref element="S1" pad="2"/>
</signal>
<signal name="RES*">
<contactref element="S1" pad="1"/>
<contactref element="R1" pad="2"/>
<contactref element="C1" pad="1"/>
<contactref element="U1" pad="40"/>
<contactref element="U6" pad="4"/>
<contactref element="U8" pad="34"/>
</signal>
<signal name="PHI2-IN">
<contactref element="X1" pad="8"/>
<contactref element="U1" pad="37"/>
</signal>
<signal name="IRQ">
<contactref element="U6" pad="26"/>
<contactref element="U1" pad="4"/>
</signal>
<signal name="TXD">
<contactref element="U7" pad="2"/>
<contactref element="U6" pad="10"/>
</signal>
<signal name="DTR">
<contactref element="U7" pad="1"/>
<contactref element="U6" pad="11"/>
</signal>
<signal name="RXD\!">
<contactref element="U7" pad="4"/>
<contactref element="J1" pad="3"/>
</signal>
<signal name="DSR\!">
<contactref element="U7" pad="19"/>
<contactref element="J1" pad="6"/>
</signal>
<signal name="PHI2">
<contactref element="U1" pad="39"/>
<contactref element="U6" pad="27"/>
<contactref element="U8" pad="25"/>
</signal>
<signal name="R/W">
<contactref element="U6" pad="28"/>
<contactref element="U8" pad="22"/>
<contactref element="U3" pad="14"/>
<contactref element="U1" pad="34"/>
</signal>
<signal name="N$2">
<contactref element="X2" pad="8"/>
<contactref element="U6" pad="6"/>
</signal>
<signal name="N$3">
<contactref element="U3" pad="12"/>
<contactref element="U4" pad="21"/>
</signal>
<signal name="N$4">
<contactref element="U3" pad="11"/>
<contactref element="U4" pad="20"/>
</signal>
<signal name="U3A-Y3">
<contactref element="U5" pad="20"/>
<contactref element="U3" pad="7"/>
<contactref element="U5" pad="22"/>
</signal>
<signal name="N$6">
<contactref element="U2" pad="4"/>
<contactref element="U8" pad="24"/>
</signal>
<signal name="U3A-Y2">
<contactref element="U8" pad="23"/>
<contactref element="U6" pad="3"/>
<contactref element="U3" pad="6"/>
</signal>
<signal name="TXD\!">
<contactref element="U7" pad="5"/>
<contactref element="J1" pad="2"/>
</signal>
<signal name="DTR\!">
<contactref element="U7" pad="18"/>
<contactref element="J1" pad="20"/>
</signal>
<signal name="RXD">
<contactref element="U6" pad="12"/>
<contactref element="U7" pad="3"/>
</signal>
<signal name="DSR">
<contactref element="U6" pad="17"/>
<contactref element="U7" pad="20"/>
</signal>
<signal name="CB1">
<contactref element="U8" pad="18"/>
<contactref element="J3" pad="21"/>
</signal>
<signal name="CB2">
<contactref element="U8" pad="19"/>
<contactref element="J3" pad="20"/>
</signal>
<signal name="CA2">
<contactref element="U8" pad="39"/>
<contactref element="J3" pad="18"/>
</signal>
<signal name="CA1">
<contactref element="U8" pad="40"/>
<contactref element="J3" pad="19"/>
</signal>
<signal name="PB7">
<contactref element="U8" pad="17"/>
<contactref element="J3" pad="17"/>
</signal>
<signal name="PB6">
<contactref element="U8" pad="16"/>
<contactref element="J3" pad="16"/>
</signal>
<signal name="PB5">
<contactref element="U8" pad="15"/>
<contactref element="J3" pad="15"/>
</signal>
<signal name="PB4">
<contactref element="U8" pad="14"/>
<contactref element="J3" pad="14"/>
</signal>
<signal name="PB3">
<contactref element="U8" pad="13"/>
<contactref element="J3" pad="13"/>
</signal>
<signal name="PB2">
<contactref element="U8" pad="12"/>
<contactref element="J3" pad="12"/>
</signal>
<signal name="PB1">
<contactref element="U8" pad="11"/>
<contactref element="J3" pad="11"/>
</signal>
<signal name="PB0">
<contactref element="U8" pad="10"/>
<contactref element="J3" pad="10"/>
</signal>
<signal name="PA7">
<contactref element="U8" pad="9"/>
<contactref element="J3" pad="9"/>
</signal>
<signal name="PA6">
<contactref element="U8" pad="8"/>
<contactref element="J3" pad="8"/>
</signal>
<signal name="PA5">
<contactref element="U8" pad="7"/>
<contactref element="J3" pad="7"/>
</signal>
<signal name="PA4">
<contactref element="U8" pad="6"/>
<contactref element="J3" pad="6"/>
</signal>
<signal name="PA3">
<contactref element="U8" pad="5"/>
<contactref element="J3" pad="5"/>
</signal>
<signal name="PA2">
<contactref element="U8" pad="4"/>
<contactref element="J3" pad="4"/>
</signal>
<signal name="PA1">
<contactref element="U8" pad="3"/>
<contactref element="J3" pad="3"/>
</signal>
<signal name="PA0">
<contactref element="U8" pad="2"/>
<contactref element="J3" pad="2"/>
</signal>
<signal name="8K">
<contactref element="U5" pad="23"/>
<contactref element="J2" pad="3"/>
</signal>
<signal name="U2A\!">
<contactref element="U2" pad="2"/>
<contactref element="U3" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="U7" pad="10"/>
<contactref element="U7" pad="16"/>
</signal>
<signal name="N$7">
<contactref element="U7" pad="11"/>
<contactref element="U7" pad="15"/>
</signal>
<signal name="N$8">
<contactref element="U7" pad="12"/>
<contactref element="U7" pad="17"/>
</signal>
<signal name="GND">
<contactref element="U4" pad="12"/>
<contactref element="U6" pad="1"/>
<contactref element="U1" pad="21"/>
<contactref element="U8" pad="1"/>
<contactref element="U2" pad="7"/>
<contactref element="X2" pad="7"/>
<contactref element="X1" pad="7"/>
<contactref element="U7" pad="6"/>
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<contactref element="C1" pad="2"/>
<contactref element="U3" pad="15"/>
<contactref element="J1" pad="7"/>
<contactref element="U1" pad="1"/>
<contactref element="J3" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
