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SyncHome/trunk/eagle/Z80/z80.sch
paolo.iocco c6fd03dea7
2023-03-09 10:12:40 +00:00

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<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
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<description>&lt;b&gt;MEMORY&lt;/b&gt;</description>
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<device name="" package="DIL28">
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<connect gate="A" pin="!OE" pad="22"/>
<connect gate="A" pin="A0" pad="10"/>
<connect gate="A" pin="A1" pad="9"/>
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<connect gate="A" pin="A11" pad="23"/>
<connect gate="A" pin="A12" pad="2"/>
<connect gate="A" pin="A13" pad="26"/>
<connect gate="A" pin="A14" pad="27"/>
<connect gate="A" pin="A2" pad="8"/>
<connect gate="A" pin="A3" pad="7"/>
<connect gate="A" pin="A4" pad="6"/>
<connect gate="A" pin="A5" pad="5"/>
<connect gate="A" pin="A6" pad="4"/>
<connect gate="A" pin="A7" pad="3"/>
<connect gate="A" pin="A8" pad="25"/>
<connect gate="A" pin="A9" pad="24"/>
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<connect gate="A" pin="O1" pad="12"/>
<connect gate="A" pin="O2" pad="13"/>
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<connect gate="A" pin="O4" pad="16"/>
<connect gate="A" pin="O5" pad="17"/>
<connect gate="A" pin="O6" pad="18"/>
<connect gate="A" pin="O7" pad="19"/>
<connect gate="A" pin="VPP" pad="1"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC" pad="28"/>
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</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="memory-sram">
<description>&lt;b&gt;Static RAMs&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
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<package name="TSOP1-28">
<description>&lt;b&gt;TSOP 1-28&lt;/b&gt; 28-pin Thin Small Outline Package Type 1 (8 x 13.4 mm) (51-85071)&lt;p&gt;
Source: http://download.cypress.com.edgesuite.net/design_resources/datasheets/contents/cy62256_8.pdf</description>
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<description>&lt;b&gt;TSOP 1-28 R&lt;/b&gt; 28-pin Reverse Thin Small Outline Package Type 1 (8x13.4 mm) (51-85074)&lt;p&gt;
Source: http://download.cypress.com.edgesuite.net/design_resources/datasheets/contents/cy62256_8.pdf</description>
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<rectangle x1="5.975" y1="-2.1" x2="7.025" y2="-1.75" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="-1.55" x2="7.025" y2="-1.2" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="-1" x2="7.025" y2="-0.65" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="-0.45" x2="7.025" y2="-0.1" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="0.1" x2="7.025" y2="0.45" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="0.65" x2="7.025" y2="1" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="1.2" x2="7.025" y2="1.55" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="1.75" x2="7.025" y2="2.1" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="2.3" x2="7.025" y2="2.65" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="2.85" x2="7.025" y2="3.2" layer="29" rot="R180"/>
<rectangle x1="5.975" y1="3.4" x2="7.025" y2="3.75" layer="29" rot="R180"/>
<rectangle x1="-7.025" y1="3.4" x2="-5.975" y2="3.75" layer="29"/>
<rectangle x1="-7.025" y1="2.85" x2="-5.975" y2="3.2" layer="29"/>
<rectangle x1="-7.025" y1="2.3" x2="-5.975" y2="2.65" layer="29"/>
<rectangle x1="-7.025" y1="1.75" x2="-5.975" y2="2.1" layer="29"/>
<rectangle x1="-7.025" y1="1.2" x2="-5.975" y2="1.55" layer="29"/>
<rectangle x1="-7.025" y1="0.65" x2="-5.975" y2="1" layer="29"/>
<rectangle x1="-7.025" y1="0.1" x2="-5.975" y2="0.45" layer="29"/>
</package>
</packages>
<symbols>
<symbol name="LH52256">
<wire x1="-7.62" y1="25.4" x2="-7.62" y2="-27.94" width="0.4064" layer="94"/>
<wire x1="7.62" y1="-27.94" x2="-7.62" y2="-27.94" width="0.4064" layer="94"/>
<wire x1="7.62" y1="-27.94" x2="7.62" y2="25.4" width="0.4064" layer="94"/>
<wire x1="-7.62" y1="25.4" x2="7.62" y2="25.4" width="0.4064" layer="94"/>
<text x="-7.62" y="-30.48" size="1.778" layer="96">&gt;VALUE</text>
<text x="-7.62" y="26.035" size="1.778" layer="95">&gt;NAME</text>
<pin name="A0" x="-10.16" y="22.86" length="short" direction="in"/>
<pin name="A1" x="-10.16" y="20.32" length="short" direction="in"/>
<pin name="A2" x="-10.16" y="17.78" length="short" direction="in"/>
<pin name="A3" x="-10.16" y="15.24" length="short" direction="in"/>
<pin name="A4" x="-10.16" y="12.7" length="short" direction="in"/>
<pin name="A5" x="-10.16" y="10.16" length="short" direction="in"/>
<pin name="A6" x="-10.16" y="7.62" length="short" direction="in"/>
<pin name="A7" x="-10.16" y="5.08" length="short" direction="in"/>
<pin name="A8" x="-10.16" y="2.54" length="short" direction="in"/>
<pin name="DQ0" x="10.16" y="22.86" length="short" rot="R180"/>
<pin name="DQ1" x="10.16" y="20.32" length="short" rot="R180"/>
<pin name="DQ2" x="10.16" y="17.78" length="short" rot="R180"/>
<pin name="DQ3" x="10.16" y="15.24" length="short" rot="R180"/>
<pin name="DQ4" x="10.16" y="12.7" length="short" rot="R180"/>
<pin name="DQ5" x="10.16" y="10.16" length="short" rot="R180"/>
<pin name="DQ6" x="10.16" y="7.62" length="short" rot="R180"/>
<pin name="DQ7" x="10.16" y="5.08" length="short" rot="R180"/>
<pin name="A9" x="-10.16" y="0" length="short" direction="in"/>
<pin name="A10" x="-10.16" y="-2.54" length="short" direction="in"/>
<pin name="A11" x="-10.16" y="-5.08" length="short" direction="in"/>
<pin name="A12" x="-10.16" y="-7.62" length="short" direction="in"/>
<pin name="A13" x="-10.16" y="-10.16" length="short" direction="in"/>
<pin name="A14" x="-10.16" y="-12.7" length="short" direction="in"/>
<pin name="!OE" x="-10.16" y="-17.78" length="short" direction="in"/>
<pin name="!WE" x="-10.16" y="-25.4" length="short" direction="in"/>
<pin name="!CE" x="-10.16" y="-20.32" length="short" direction="in"/>
</symbol>
<symbol name="PWRN">
<text x="-0.635" y="-0.635" size="1.778" layer="95">&gt;NAME</text>
<text x="1.905" y="-5.842" size="1.27" layer="95" rot="R90">GND</text>
<text x="1.905" y="2.667" size="1.27" layer="95" rot="R90">VCC</text>
<pin name="GND" x="0" y="-7.62" visible="pad" length="middle" direction="pwr" rot="R90"/>
<pin name="VCC" x="0" y="7.62" visible="pad" length="middle" direction="pwr" rot="R270"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="CY62256LL-?*" prefix="IC">
<description>&lt;b&gt;256K (32K x 8) CMOS-Static RAM&lt;/b&gt;&lt;p&gt;
Source: http://download.cypress.com.edgesuite.net/design_resources/datasheets/contents/cy62256_8.pdf</description>
<gates>
<gate name="G$1" symbol="LH52256" x="0" y="0"/>
<gate name="P" symbol="PWRN" x="22.86" y="0" addlevel="request"/>
</gates>
<devices>
<device name="S" package="SOJ28/3">
<connects>
<connect gate="G$1" pin="!CE" pad="20"/>
<connect gate="G$1" pin="!OE" pad="22"/>
<connect gate="G$1" pin="!WE" pad="27"/>
<connect gate="G$1" pin="A0" pad="21"/>
<connect gate="G$1" pin="A1" pad="23"/>
<connect gate="G$1" pin="A10" pad="6"/>
<connect gate="G$1" pin="A11" pad="7"/>
<connect gate="G$1" pin="A12" pad="8"/>
<connect gate="G$1" pin="A13" pad="9"/>
<connect gate="G$1" pin="A14" pad="10"/>
<connect gate="G$1" pin="A2" pad="24"/>
<connect gate="G$1" pin="A3" pad="25"/>
<connect gate="G$1" pin="A4" pad="26"/>
<connect gate="G$1" pin="A5" pad="1"/>
<connect gate="G$1" pin="A6" pad="2"/>
<connect gate="G$1" pin="A7" pad="3"/>
<connect gate="G$1" pin="A8" pad="4"/>
<connect gate="G$1" pin="A9" pad="5"/>
<connect gate="G$1" pin="DQ0" pad="11"/>
<connect gate="G$1" pin="DQ1" pad="12"/>
<connect gate="G$1" pin="DQ2" pad="13"/>
<connect gate="G$1" pin="DQ3" pad="15"/>
<connect gate="G$1" pin="DQ4" pad="16"/>
<connect gate="G$1" pin="DQ5" pad="17"/>
<connect gate="G$1" pin="DQ6" pad="18"/>
<connect gate="G$1" pin="DQ7" pad="19"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC" pad="28"/>
</connects>
<technologies>
<technology name="NC"/>
<technology name="NE"/>
<technology name="NI"/>
<technology name="NXC"/>
<technology name="NXE"/>
<technology name="NXI"/>
</technologies>
</device>
<device name="P" package="DIL28-6">
<connects>
<connect gate="G$1" pin="!CE" pad="20"/>
<connect gate="G$1" pin="!OE" pad="22"/>
<connect gate="G$1" pin="!WE" pad="27"/>
<connect gate="G$1" pin="A0" pad="21"/>
<connect gate="G$1" pin="A1" pad="23"/>
<connect gate="G$1" pin="A10" pad="6"/>
<connect gate="G$1" pin="A11" pad="7"/>
<connect gate="G$1" pin="A12" pad="8"/>
<connect gate="G$1" pin="A13" pad="9"/>
<connect gate="G$1" pin="A14" pad="10"/>
<connect gate="G$1" pin="A2" pad="24"/>
<connect gate="G$1" pin="A3" pad="25"/>
<connect gate="G$1" pin="A4" pad="26"/>
<connect gate="G$1" pin="A5" pad="1"/>
<connect gate="G$1" pin="A6" pad="2"/>
<connect gate="G$1" pin="A7" pad="3"/>
<connect gate="G$1" pin="A8" pad="4"/>
<connect gate="G$1" pin="A9" pad="5"/>
<connect gate="G$1" pin="DQ0" pad="11"/>
<connect gate="G$1" pin="DQ1" pad="12"/>
<connect gate="G$1" pin="DQ2" pad="13"/>
<connect gate="G$1" pin="DQ3" pad="15"/>
<connect gate="G$1" pin="DQ4" pad="16"/>
<connect gate="G$1" pin="DQ5" pad="17"/>
<connect gate="G$1" pin="DQ6" pad="18"/>
<connect gate="G$1" pin="DQ7" pad="19"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC" pad="28"/>
</connects>
<technologies>
<technology name="C"/>
<technology name="XC"/>
</technologies>
</device>
<device name="Z" package="TSOP1-28">
<connects>
<connect gate="G$1" pin="!CE" pad="20"/>
<connect gate="G$1" pin="!OE" pad="22"/>
<connect gate="G$1" pin="!WE" pad="27"/>
<connect gate="G$1" pin="A0" pad="21"/>
<connect gate="G$1" pin="A1" pad="23"/>
<connect gate="G$1" pin="A10" pad="6"/>
<connect gate="G$1" pin="A11" pad="7"/>
<connect gate="G$1" pin="A12" pad="8"/>
<connect gate="G$1" pin="A13" pad="9"/>
<connect gate="G$1" pin="A14" pad="10"/>
<connect gate="G$1" pin="A2" pad="24"/>
<connect gate="G$1" pin="A3" pad="25"/>
<connect gate="G$1" pin="A4" pad="26"/>
<connect gate="G$1" pin="A5" pad="1"/>
<connect gate="G$1" pin="A6" pad="2"/>
<connect gate="G$1" pin="A7" pad="3"/>
<connect gate="G$1" pin="A8" pad="4"/>
<connect gate="G$1" pin="A9" pad="5"/>
<connect gate="G$1" pin="DQ0" pad="11"/>
<connect gate="G$1" pin="DQ1" pad="12"/>
<connect gate="G$1" pin="DQ2" pad="13"/>
<connect gate="G$1" pin="DQ3" pad="15"/>
<connect gate="G$1" pin="DQ4" pad="16"/>
<connect gate="G$1" pin="DQ5" pad="17"/>
<connect gate="G$1" pin="DQ6" pad="18"/>
<connect gate="G$1" pin="DQ7" pad="19"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC" pad="28"/>
</connects>
<technologies>
<technology name="C"/>
<technology name="E"/>
<technology name="XC"/>
<technology name="XE"/>
<technology name="XI"/>
</technologies>
</device>
<device name="ZR" package="TSOP1-28-R">
<connects>
<connect gate="G$1" pin="!CE" pad="20"/>
<connect gate="G$1" pin="!OE" pad="22"/>
<connect gate="G$1" pin="!WE" pad="27"/>
<connect gate="G$1" pin="A0" pad="21"/>
<connect gate="G$1" pin="A1" pad="23"/>
<connect gate="G$1" pin="A10" pad="6"/>
<connect gate="G$1" pin="A11" pad="7"/>
<connect gate="G$1" pin="A12" pad="8"/>
<connect gate="G$1" pin="A13" pad="9"/>
<connect gate="G$1" pin="A14" pad="10"/>
<connect gate="G$1" pin="A2" pad="24"/>
<connect gate="G$1" pin="A3" pad="25"/>
<connect gate="G$1" pin="A4" pad="26"/>
<connect gate="G$1" pin="A5" pad="1"/>
<connect gate="G$1" pin="A6" pad="2"/>
<connect gate="G$1" pin="A7" pad="3"/>
<connect gate="G$1" pin="A8" pad="4"/>
<connect gate="G$1" pin="A9" pad="5"/>
<connect gate="G$1" pin="DQ0" pad="11"/>
<connect gate="G$1" pin="DQ1" pad="12"/>
<connect gate="G$1" pin="DQ2" pad="13"/>
<connect gate="G$1" pin="DQ3" pad="15"/>
<connect gate="G$1" pin="DQ4" pad="16"/>
<connect gate="G$1" pin="DQ5" pad="17"/>
<connect gate="G$1" pin="DQ6" pad="18"/>
<connect gate="G$1" pin="DQ7" pad="19"/>
<connect gate="P" pin="GND" pad="14"/>
<connect gate="P" pin="VCC" pad="28"/>
</connects>
<technologies>
<technology name="I"/>
<technology name="XE"/>
<technology name="XI"/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="supply1">
<description>&lt;b&gt;Supply Symbols&lt;/b&gt;&lt;p&gt;
GND, VCC, 0V, +5V, -5V, etc.&lt;p&gt;
Please keep in mind, that these devices are necessary for the
automatic wiring of the supply signals.&lt;p&gt;
The pin name defined in the symbol is identical to the net which is to be wired automatically.&lt;p&gt;
In this library the device names are the same as the pin names of the symbols, therefore the correct signal names appear next to the supply symbols in the schematic.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
</packages>
<symbols>
<symbol name="GND">
<wire x1="-1.905" y1="0" x2="1.905" y2="0" width="0.254" layer="94"/>
<text x="-2.54" y="-2.54" size="1.778" layer="96">&gt;VALUE</text>
<pin name="GND" x="0" y="2.54" visible="off" length="short" direction="sup" rot="R270"/>
</symbol>
<symbol name="VCC">
<wire x1="1.27" y1="-1.905" x2="0" y2="0" width="0.254" layer="94"/>
<wire x1="0" y1="0" x2="-1.27" y2="-1.905" width="0.254" layer="94"/>
<text x="-2.54" y="-2.54" size="1.778" layer="96" rot="R90">&gt;VALUE</text>
<pin name="VCC" x="0" y="-2.54" visible="off" length="short" direction="sup" rot="R90"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="GND" prefix="GND">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="1" symbol="GND" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
<deviceset name="VCC" prefix="P+">
<description>&lt;b&gt;SUPPLY SYMBOL&lt;/b&gt;</description>
<gates>
<gate name="VCC" symbol="VCC" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
<library name="docu-dummy">
<description>Dummy symbols</description>
<packages>
</packages>
<symbols>
<symbol name="RESISTOR">
<wire x1="-2.54" y1="-0.889" x2="2.54" y2="-0.889" width="0.254" layer="94"/>
<wire x1="2.54" y1="0.889" x2="-2.54" y2="0.889" width="0.254" layer="94"/>
<wire x1="2.54" y1="-0.889" x2="2.54" y2="0" width="0.254" layer="94"/>
<wire x1="2.54" y1="0" x2="2.54" y2="0.889" width="0.254" layer="94"/>
<wire x1="-2.54" y1="-0.889" x2="-2.54" y2="0" width="0.254" layer="94"/>
<wire x1="-2.54" y1="0" x2="-2.54" y2="0.889" width="0.254" layer="94"/>
<wire x1="-5.08" y1="0" x2="-2.54" y2="0" width="0.1524" layer="94"/>
<wire x1="2.54" y1="0" x2="5.08" y2="0" width="0.1524" layer="94"/>
</symbol>
</symbols>
<devicesets>
<deviceset name="R" prefix="R">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;</description>
<gates>
<gate name="G$1" symbol="RESISTOR" x="0" y="0"/>
</gates>
<devices>
<device name="">
<technologies>
<technology name=""/>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<classes>
<class number="0" name="default" width="0" drill="0">
</class>
</classes>
<parts>
<part name="IC1" library="zilog" deviceset="Z80CPU" device="" value="Z80"/>
<part name="IC2" library="memory" deviceset="27256" device="" value="27256"/>
<part name="IC3" library="memory-sram" deviceset="CY62256LL-?*" device="P" technology="C"/>
<part name="GND1" library="supply1" deviceset="GND" device=""/>
<part name="GND2" library="supply1" deviceset="GND" device=""/>
<part name="P+1" library="supply1" deviceset="VCC" device=""/>
<part name="P+2" library="supply1" deviceset="VCC" device=""/>
<part name="R1" library="docu-dummy" deviceset="R" device=""/>
</parts>
<sheets>
<sheet>
<plain>
</plain>
<instances>
<instance part="IC1" gate="1" x="40.64" y="22.86"/>
<instance part="IC2" gate="A" x="93.98" y="27.94"/>
<instance part="IC3" gate="G$1" x="139.7" y="27.94"/>
<instance part="GND1" gate="1" x="10.16" y="-7.62"/>
<instance part="GND2" gate="1" x="73.66" y="2.54"/>
<instance part="P+1" gate="VCC" x="17.78" y="-12.7"/>
<instance part="P+2" gate="VCC" x="7.62" y="43.18"/>
<instance part="R1" gate="G$1" x="7.62" y="35.56" rot="R90"/>
</instances>
<busses>
<bus name="A[0..14]">
<segment>
<wire x1="60.96" y1="17.78" x2="60.96" y2="60.96" width="0.762" layer="92"/>
<wire x1="60.96" y1="60.96" x2="63.5" y2="63.5" width="0.762" layer="92"/>
<wire x1="63.5" y1="63.5" x2="73.66" y2="63.5" width="0.762" layer="92"/>
<wire x1="73.66" y1="63.5" x2="124.46" y2="63.5" width="0.762" layer="92"/>
<wire x1="124.46" y1="63.5" x2="127" y2="60.96" width="0.762" layer="92"/>
<wire x1="127" y1="60.96" x2="127" y2="17.78" width="0.762" layer="92"/>
<wire x1="73.66" y1="63.5" x2="76.2" y2="60.96" width="0.762" layer="92"/>
<wire x1="76.2" y1="60.96" x2="76.2" y2="17.78" width="0.762" layer="92"/>
</segment>
</bus>
<bus name="D[0..7]">
<segment>
<wire x1="60.96" y1="5.08" x2="60.96" y2="-15.24" width="0.762" layer="92"/>
<wire x1="60.96" y1="-15.24" x2="63.5" y2="-17.78" width="0.762" layer="92"/>
<wire x1="63.5" y1="-17.78" x2="104.14" y2="-17.78" width="0.762" layer="92"/>
<wire x1="104.14" y1="-17.78" x2="149.86" y2="-17.78" width="0.762" layer="92"/>
<wire x1="106.68" y1="48.26" x2="106.68" y2="-15.24" width="0.762" layer="92"/>
<wire x1="106.68" y1="-15.24" x2="104.14" y2="-17.78" width="0.762" layer="92"/>
<wire x1="152.4" y1="48.26" x2="152.4" y2="-15.24" width="0.762" layer="92"/>
<wire x1="152.4" y1="-15.24" x2="149.86" y2="-17.78" width="0.762" layer="92"/>
</segment>
</bus>
</busses>
<nets>
<net name="A14" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A14"/>
<wire x1="58.42" y1="15.24" x2="60.96" y2="17.78" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A14"/>
<wire x1="78.74" y1="15.24" x2="76.2" y2="17.78" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A14"/>
<wire x1="129.54" y1="15.24" x2="127" y2="17.78" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A13" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A13"/>
<wire x1="58.42" y1="17.78" x2="60.96" y2="20.32" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A13"/>
<wire x1="78.74" y1="17.78" x2="76.2" y2="20.32" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A13"/>
<wire x1="129.54" y1="17.78" x2="127" y2="20.32" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A12" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A12"/>
<wire x1="58.42" y1="20.32" x2="60.96" y2="22.86" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A12"/>
<wire x1="78.74" y1="20.32" x2="76.2" y2="22.86" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A12"/>
<wire x1="129.54" y1="20.32" x2="127" y2="22.86" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A11" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A11"/>
<wire x1="58.42" y1="22.86" x2="60.96" y2="25.4" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A11"/>
<wire x1="78.74" y1="22.86" x2="76.2" y2="25.4" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A11"/>
<wire x1="129.54" y1="22.86" x2="127" y2="25.4" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A10" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A10"/>
<wire x1="58.42" y1="25.4" x2="60.96" y2="27.94" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A10"/>
<wire x1="78.74" y1="25.4" x2="76.2" y2="27.94" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A10"/>
<wire x1="129.54" y1="25.4" x2="127" y2="27.94" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A9" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A9"/>
<wire x1="58.42" y1="27.94" x2="60.96" y2="30.48" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A9"/>
<wire x1="78.74" y1="27.94" x2="76.2" y2="30.48" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A9"/>
<wire x1="129.54" y1="27.94" x2="127" y2="30.48" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A8" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A8"/>
<wire x1="58.42" y1="30.48" x2="60.96" y2="33.02" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A8"/>
<wire x1="78.74" y1="30.48" x2="76.2" y2="33.02" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A8"/>
<wire x1="129.54" y1="30.48" x2="127" y2="33.02" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A7" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A7"/>
<wire x1="58.42" y1="33.02" x2="60.96" y2="35.56" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A7"/>
<wire x1="78.74" y1="33.02" x2="76.2" y2="35.56" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A7"/>
<wire x1="129.54" y1="33.02" x2="127" y2="35.56" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A0" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A0"/>
<wire x1="58.42" y1="50.8" x2="60.96" y2="53.34" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A0"/>
<wire x1="78.74" y1="50.8" x2="76.2" y2="53.34" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A0"/>
<wire x1="129.54" y1="50.8" x2="127" y2="53.34" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A6" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A6"/>
<wire x1="58.42" y1="35.56" x2="60.96" y2="38.1" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A6"/>
<wire x1="78.74" y1="35.56" x2="76.2" y2="38.1" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A6"/>
<wire x1="129.54" y1="35.56" x2="127" y2="38.1" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A5" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A5"/>
<wire x1="58.42" y1="38.1" x2="60.96" y2="40.64" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A5"/>
<wire x1="78.74" y1="38.1" x2="76.2" y2="40.64" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A5"/>
<wire x1="129.54" y1="38.1" x2="127" y2="40.64" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A4" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A4"/>
<wire x1="58.42" y1="40.64" x2="60.96" y2="43.18" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A4"/>
<wire x1="78.74" y1="40.64" x2="76.2" y2="43.18" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A4"/>
<wire x1="129.54" y1="40.64" x2="127" y2="43.18" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A3" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A3"/>
<wire x1="58.42" y1="43.18" x2="60.96" y2="45.72" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A3"/>
<wire x1="78.74" y1="43.18" x2="76.2" y2="45.72" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A3"/>
<wire x1="129.54" y1="43.18" x2="127" y2="45.72" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A2" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A2"/>
<wire x1="58.42" y1="45.72" x2="60.96" y2="48.26" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A2"/>
<wire x1="78.74" y1="45.72" x2="76.2" y2="48.26" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A2"/>
<wire x1="129.54" y1="45.72" x2="127" y2="48.26" width="0.1524" layer="91"/>
</segment>
</net>
<net name="A1" class="0">
<segment>
<pinref part="IC1" gate="1" pin="A1"/>
<wire x1="58.42" y1="48.26" x2="60.96" y2="50.8" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="A1"/>
<wire x1="78.74" y1="48.26" x2="76.2" y2="50.8" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="A1"/>
<wire x1="129.54" y1="48.26" x2="127" y2="50.8" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D0" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D0"/>
<wire x1="60.96" y1="5.08" x2="58.42" y2="7.62" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O0"/>
<wire x1="104.14" y1="50.8" x2="106.68" y2="48.26" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ0"/>
<wire x1="149.86" y1="50.8" x2="152.4" y2="48.26" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D1" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D1"/>
<wire x1="58.42" y1="5.08" x2="60.96" y2="2.54" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O1"/>
<wire x1="104.14" y1="48.26" x2="106.68" y2="45.72" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ1"/>
<wire x1="149.86" y1="48.26" x2="152.4" y2="45.72" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D2" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D2"/>
<wire x1="58.42" y1="2.54" x2="60.96" y2="0" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O2"/>
<wire x1="104.14" y1="45.72" x2="106.68" y2="43.18" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ2"/>
<wire x1="149.86" y1="45.72" x2="152.4" y2="43.18" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D3" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D3"/>
<wire x1="58.42" y1="0" x2="60.96" y2="-2.54" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O3"/>
<wire x1="104.14" y1="43.18" x2="106.68" y2="40.64" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ3"/>
<wire x1="149.86" y1="43.18" x2="152.4" y2="40.64" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D4" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D4"/>
<wire x1="58.42" y1="-2.54" x2="60.96" y2="-5.08" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O4"/>
<wire x1="104.14" y1="40.64" x2="106.68" y2="38.1" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ4"/>
<wire x1="149.86" y1="40.64" x2="152.4" y2="38.1" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D5" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D5"/>
<wire x1="58.42" y1="-5.08" x2="60.96" y2="-7.62" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O5"/>
<wire x1="104.14" y1="38.1" x2="106.68" y2="35.56" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ5"/>
<wire x1="149.86" y1="38.1" x2="152.4" y2="35.56" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D6" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D6"/>
<wire x1="58.42" y1="-7.62" x2="60.96" y2="-10.16" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O6"/>
<wire x1="104.14" y1="35.56" x2="106.68" y2="33.02" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ6"/>
<wire x1="149.86" y1="35.56" x2="152.4" y2="33.02" width="0.1524" layer="91"/>
</segment>
</net>
<net name="D7" class="0">
<segment>
<pinref part="IC1" gate="1" pin="D7"/>
<wire x1="58.42" y1="-10.16" x2="60.96" y2="-12.7" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="O7"/>
<wire x1="104.14" y1="33.02" x2="106.68" y2="30.48" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC3" gate="G$1" pin="DQ7"/>
<wire x1="149.86" y1="33.02" x2="152.4" y2="30.48" width="0.1524" layer="91"/>
</segment>
</net>
<net name="GND" class="0">
<segment>
<pinref part="IC1" gate="1" pin="GND"/>
<pinref part="GND1" gate="1" pin="GND"/>
<wire x1="22.86" y1="-5.08" x2="10.16" y2="-5.08" width="0.1524" layer="91"/>
</segment>
<segment>
<pinref part="IC2" gate="A" pin="VPP"/>
<pinref part="GND2" gate="1" pin="GND"/>
<wire x1="78.74" y1="5.08" x2="73.66" y2="5.08" width="0.1524" layer="91"/>
</segment>
</net>
<net name="N$1" class="0">
<segment>
<pinref part="IC1" gate="1" pin="HALT"/>
<wire x1="22.86" y1="30.48" x2="7.62" y2="30.48" width="0.1524" layer="91"/>
<wire x1="7.62" y1="30.48" x2="7.62" y2="25.4" width="0.1524" layer="91"/>
<pinref part="IC1" gate="1" pin="WAIT"/>
<wire x1="7.62" y1="25.4" x2="22.86" y2="25.4" width="0.1524" layer="91"/>
<pinref part="IC1" gate="1" pin="INT"/>
<wire x1="22.86" y1="20.32" x2="7.62" y2="20.32" width="0.1524" layer="91"/>
<wire x1="7.62" y1="20.32" x2="7.62" y2="25.4" width="0.1524" layer="91"/>
<pinref part="IC1" gate="1" pin="NMI"/>
<wire x1="22.86" y1="17.78" x2="7.62" y2="17.78" width="0.1524" layer="91"/>
<wire x1="7.62" y1="17.78" x2="7.62" y2="20.32" width="0.1524" layer="91"/>
<junction x="7.62" y="25.4"/>
<junction x="7.62" y="20.32"/>
<junction x="7.62" y="30.48"/>
<pinref part="IC1" gate="1" pin="RESET"/>
<wire x1="22.86" y1="12.7" x2="7.62" y2="12.7" width="0.1524" layer="91"/>
<wire x1="7.62" y1="12.7" x2="7.62" y2="17.78" width="0.1524" layer="91"/>
<junction x="7.62" y="17.78"/>
</segment>
</net>
</nets>
</sheet>
</sheets>
</schematic>
</drawing>
</eagle>