<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<wire x1="-0.63" y1="-0.47" x2="164.45" y2="-0.47" width="0" layer="20"/>
<wire x1="164.45" y1="-0.47" x2="164.45" y2="127.47" width="0" layer="20"/>
<wire x1="164.45" y1="127.47" x2="-0.63" y2="127.47" width="0" layer="20"/>
<wire x1="-0.63" y1="127.47" x2="-0.63" y2="-0.47" width="0" layer="20"/>
</plain>
<libraries>
<library name="74xx-us">
<packages>
<package name="DIL24-6">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt; 0.6 inch</description>
</package>
<package name="DIL20">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-lstb">
<packages>
<package name="MA08-2">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="MA10-2">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="micro-motorola">
<packages>
<package name="DIL40">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL24">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="crystal">
<packages>
<package name="HC18U-V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="C050-025X075">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 5 mm, outline 2.5 x 7.5 mm</description>
</package>
<package name="0207/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 7.5 mm</description>
</package>
</packages>
</library>
<library name="memory">
<packages>
<package name="DIL28">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="linear">
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="SP19L">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-subd">
<packages>
<package name="F09HP">
<description>&lt;b&gt;SUB-D&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="led">
<packages>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="maxim">
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="holes">
<packages>
<package name="2,8">
<description>&lt;b&gt;MOUNTING HOLE&lt;/b&gt; 2.8 mm with drill center</description>
</package>
</packages>
</library>
<library name="jumper">
<packages>
<package name="JP1">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="74xx-us" package="DIL24-6" value="74154N"/>
<element name="IC2" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="IC3" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="IC4" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="IC5" library="74xx-us" package="DIL24-6" value="74154N"/>
<element name="IC6" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC7" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC8" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="SV1" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="SV2" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="IC9" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="IC10" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="SV3" library="con-lstb" package="MA08-2" value="">
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<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="SV4" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="IC11" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC12" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC13" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC14" library="74xx-us" package="DIL20" value="74LS374N"/>
<element name="IC15" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="IC16" library="74xx-us" package="DIL20" value="74LS373N"/>
<element name="SV5" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="SV6" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="SV7" library="con-lstb" package="MA08-2" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="IC17" library="micro-motorola" package="DIL40" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="Q1" library="crystal" package="HC18U-V" value="4Mhz">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="C1" library="rcl" package="C050-025X075" value="27pf"/>
<element name="C2" library="rcl" package="C050-025X075" value="27pf"/>
<element name="IC18" library="74xx-us" package="DIL14" value="74LS00N"/>
<element name="R1" library="rcl" package="0207/7" value="10K"/>
<element name="R2" library="rcl" package="0207/7" value="10K"/>
<element name="C3" library="rcl" package="C050-025X075" value="22uf"/>
<element name="IC21" library="micro-motorola" package="DIL24" value="">
<attribute name="OC_NEWARK" value="31C2457"/>
<attribute name="MPN" value="NTE6850"/>
<attribute name="MF" value="NTE ELECTRONICS"/>
<attribute name="OC_FARNELL" value="4899775"/>
</element>
<element name="IC22" library="memory" package="DIL28" value="5565"/>
<element name="IC23" library="memory" package="DIL28" value="2764"/>
<element name="IC24" library="micro-motorola" package="DIL40" value="">
<attribute name="OC_NEWARK" value="29C4772"/>
<attribute name="MPN" value="NTE6821"/>
<attribute name="MF" value="NTE ELECTRONICS"/>
<attribute name="OC_FARNELL" value="1652403"/>
</element>
<element name="IC25" library="74xx-us" package="DIL20" value="74LS245N"/>
<element name="IC26" library="74xx-us" package="DIL20" value="74LS245N"/>
<element name="IC27" library="linear" package="DIL14" value="LM556N"/>
<element name="R3" library="rcl" package="0207/7" value="100K"/>
<element name="R4" library="rcl" package="0207/7" value="100K"/>
<element name="C4" library="rcl" package="C050-025X075" value="0.1uf"/>
<element name="C5" library="rcl" package="C050-025X075" value="10uf"/>
<element name="R5" library="rcl" package="0207/7" value="3.3K"/>
<element name="R6" library="rcl" package="0207/7" value="3.3K"/>
<element name="R7" library="rcl" package="0207/7" value="3.3K"/>
<element name="R8" library="rcl" package="0207/7" value="3.3K"/>
<element name="R9" library="rcl" package="0207/7" value="1.8K"/>
<element name="R10" library="rcl" package="0207/7" value="10K"/>
<element name="R11" library="pot" package="SP19L" value="10K"/>
<element name="C6" library="rcl" package="C050-025X075" value="330pf"/>
<element name="X1" library="con-subd" package="F09HP" value="">
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<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="LED1" library="led" package="LED3MM" value=""/>
<element name="R12" library="rcl" package="0207/7" value="270"/>
<element name="R13" library="rcl" package="0207/7" value="1K"/>
<element name="IC28" library="74xx-us" package="DIL16" value="74LS138N"/>
<element name="IC19" library="74xx-us" package="DIL16" value="74LS138N"/>
<element name="C7" library="rcl" package="C050-025X075" value="10uf"/>
<element name="IC20" library="maxim" package="DIL16" value="MAX232">
<attribute name="OC_NEWARK" value="68K4544"/>
<attribute name="MPN" value="MAX232ACPE+"/>
<attribute name="MF" value="MAXIM"/>
<attribute name="OC_FARNELL" value="9723773"/>
</element>
<element name="C8" library="rcl" package="C050-025X075" value="0.1uf"/>
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<element name="R14" library="rcl" package="0207/7" value="3.3K"/>
<element name="SV9" library="con-lstb" package="MA10-2" value="">
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<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="U$1" library="holes" package="2,8" value=""/>
<element name="U$2" library="holes" package="2,8" value=""/>
<element name="U$3" library="holes" package="2,8" value=""/>
<element name="U$4" library="holes" package="2,8" value=""/>
<element name="IC29" library="memory" package="DIL28" value="2764"/>
<element name="JP1" library="jumper" package="JP1" value="RESET"/>
<element name="JP2" library="jumper" package="JP1" value="DEBUG"/>
</elements>
<signals>
<signal name="GND">
<contactref element="IC1" pad="12"/>
<contactref element="IC2" pad="10"/>
<contactref element="IC3" pad="10"/>
<contactref element="IC4" pad="10"/>
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<contactref element="C2" pad="2"/>
<contactref element="C1" pad="1"/>
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<contactref element="C6" pad="2"/>
<contactref element="IC21" pad="23"/>
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<contactref element="IC28" pad="5"/>
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<contactref element="IC17" pad="1"/>
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<contactref element="JP1" pad="1"/>
</signal>
<signal name="VCC">
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<contactref element="IC3" pad="20"/>
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<contactref element="JP2" pad="2"/>
</signal>
<signal name="PIA-B3">
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<contactref element="IC5" pad="20"/>
<contactref element="IC26" pad="15"/>
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</signal>
<signal name="PIA-B2">
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<contactref element="IC5" pad="21"/>
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<signal name="PIA-B1">
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</signal>
<signal name="PIA-B0">
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</signal>
<signal name="N$1">
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<signal name="N$2">
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<signal name="N$7">
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<contactref element="SV1" pad="14"/>
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<signal name="N$8">
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<signal name="N$9">
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<signal name="N$10">
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<signal name="N$11">
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<signal name="N$13">
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<signal name="N$16">
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<signal name="N$17">
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<signal name="N$20">
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<signal name="PIA-A0">
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<contactref element="IC6" pad="3"/>
<contactref element="IC3" pad="2"/>
<contactref element="IC7" pad="3"/>
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<contactref element="IC13" pad="3"/>
<contactref element="IC25" pad="18"/>
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</signal>
<signal name="PIA-A6">
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<contactref element="IC6" pad="17"/>
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</signal>
<signal name="N$53">
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<signal name="N$54">
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<signal name="N$63">
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<signal name="N$67">
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<signal name="N$68">
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<signal name="N$30">
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</signal>
<signal name="N$31">
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</signal>
<signal name="N$32">
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</signal>
<signal name="N$33">
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<contactref element="SV4" pad="1"/>
</signal>
<signal name="N$34">
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<contactref element="SV4" pad="3"/>
</signal>
<signal name="N$35">
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</signal>
<signal name="N$36">
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<contactref element="SV4" pad="7"/>
</signal>
<signal name="N$37">
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<contactref element="SV2" pad="2"/>
</signal>
<signal name="N$38">
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<contactref element="SV2" pad="4"/>
</signal>
<signal name="N$39">
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<contactref element="SV2" pad="6"/>
</signal>
<signal name="N$40">
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<contactref element="SV2" pad="8"/>
</signal>
<signal name="N$41">
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</signal>
<signal name="N$42">
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<contactref element="SV2" pad="11"/>
</signal>
<signal name="N$43">
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<contactref element="SV2" pad="13"/>
</signal>
<signal name="N$44">
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<contactref element="SV2" pad="15"/>
</signal>
<signal name="N$45">
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</signal>
<signal name="N$46">
<contactref element="IC4" pad="14"/>
<contactref element="SV2" pad="3"/>
</signal>
<signal name="N$47">
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<contactref element="SV2" pad="5"/>
</signal>
<signal name="N$48">
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<contactref element="SV2" pad="7"/>
</signal>
<signal name="N$70">
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<contactref element="SV4" pad="12"/>
</signal>
<signal name="N$71">
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<contactref element="SV4" pad="14"/>
</signal>
<signal name="N$72">
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<contactref element="SV4" pad="16"/>
</signal>
<signal name="N$73">
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<contactref element="IC10" pad="19"/>
</signal>
<signal name="N$74">
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<contactref element="IC10" pad="16"/>
</signal>
<signal name="N$75">
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<contactref element="SV4" pad="11"/>
</signal>
<signal name="N$76">
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</signal>
<signal name="N$77">
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</signal>
<signal name="N$78">
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<contactref element="SV5" pad="12"/>
</signal>
<signal name="N$79">
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<contactref element="SV5" pad="14"/>
</signal>
<signal name="N$80">
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<contactref element="SV5" pad="16"/>
</signal>
<signal name="N$81">
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<contactref element="SV6" pad="1"/>
</signal>
<signal name="N$82">
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<contactref element="SV6" pad="3"/>
</signal>
<signal name="N$83">
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<contactref element="SV6" pad="5"/>
</signal>
<signal name="N$84">
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<contactref element="SV6" pad="7"/>
</signal>
<signal name="N$85">
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<contactref element="SV7" pad="1"/>
</signal>
<signal name="N$86">
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<contactref element="SV7" pad="3"/>
</signal>
<signal name="N$87">
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<contactref element="SV7" pad="5"/>
</signal>
<signal name="N$88">
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<contactref element="SV7" pad="7"/>
</signal>
<signal name="PIA-A4">
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<contactref element="IC16" pad="12"/>
<contactref element="IC2" pad="12"/>
<contactref element="IC6" pad="13"/>
<contactref element="IC3" pad="12"/>
<contactref element="IC7" pad="13"/>
<contactref element="IC4" pad="12"/>
<contactref element="IC8" pad="13"/>
<contactref element="IC9" pad="12"/>
<contactref element="IC10" pad="13"/>
<contactref element="IC11" pad="13"/>
<contactref element="IC15" pad="12"/>
<contactref element="IC14" pad="13"/>
<contactref element="IC13" pad="13"/>
<contactref element="IC25" pad="14"/>
<contactref element="SV9" pad="9"/>
</signal>
<signal name="PIA-A2">
<contactref element="IC12" pad="7"/>
<contactref element="IC16" pad="6"/>
<contactref element="IC2" pad="6"/>
<contactref element="IC6" pad="7"/>
<contactref element="IC3" pad="6"/>
<contactref element="IC7" pad="7"/>
<contactref element="IC4" pad="6"/>
<contactref element="IC8" pad="7"/>
<contactref element="IC9" pad="6"/>
<contactref element="IC10" pad="7"/>
<contactref element="IC11" pad="7"/>
<contactref element="IC15" pad="6"/>
<contactref element="IC14" pad="7"/>
<contactref element="IC13" pad="7"/>
<contactref element="IC25" pad="16"/>
<contactref element="SV9" pad="5"/>
</signal>
<signal name="N$51">
<contactref element="IC8" pad="2"/>
<contactref element="SV4" pad="2"/>
</signal>
<signal name="N$69">
<contactref element="IC10" pad="2"/>
<contactref element="SV4" pad="10"/>
</signal>
<signal name="N$49">
<contactref element="SV4" pad="4"/>
<contactref element="IC8" pad="5"/>
</signal>
<signal name="N$50">
<contactref element="SV4" pad="6"/>
<contactref element="IC8" pad="6"/>
</signal>
<signal name="N$52">
<contactref element="SV4" pad="8"/>
<contactref element="IC8" pad="9"/>
</signal>
<signal name="N$89">
<contactref element="SV6" pad="4"/>
<contactref element="IC11" pad="5"/>
</signal>
<signal name="N$90">
<contactref element="SV6" pad="6"/>
<contactref element="IC11" pad="6"/>
</signal>
<signal name="N$91">
<contactref element="SV6" pad="8"/>
<contactref element="IC11" pad="9"/>
</signal>
<signal name="N$26">
<contactref element="IC11" pad="2"/>
<contactref element="SV6" pad="2"/>
</signal>
<signal name="N$92">
<contactref element="SV6" pad="9"/>
<contactref element="IC12" pad="12"/>
</signal>
<signal name="N$93">
<contactref element="SV6" pad="11"/>
<contactref element="IC12" pad="15"/>
</signal>
<signal name="N$95">
<contactref element="SV6" pad="13"/>
<contactref element="IC12" pad="16"/>
</signal>
<signal name="N$96">
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<contactref element="SV6" pad="15"/>
</signal>
<signal name="N$97">
<contactref element="SV6" pad="10"/>
<contactref element="IC12" pad="2"/>
</signal>
<signal name="N$98">
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<contactref element="IC12" pad="5"/>
</signal>
<signal name="N$99">
<contactref element="SV6" pad="14"/>
<contactref element="IC12" pad="6"/>
</signal>
<signal name="N$100">
<contactref element="SV6" pad="16"/>
<contactref element="IC12" pad="9"/>
</signal>
<signal name="N$101">
<contactref element="IC15" pad="3"/>
<contactref element="SV5" pad="2"/>
</signal>
<signal name="N$102">
<contactref element="SV5" pad="4"/>
<contactref element="IC15" pad="4"/>
</signal>
<signal name="N$103">
<contactref element="IC15" pad="7"/>
<contactref element="SV5" pad="6"/>
</signal>
<signal name="N$104">
<contactref element="IC15" pad="8"/>
<contactref element="SV5" pad="8"/>
</signal>
<signal name="N$105">
<contactref element="SV5" pad="9"/>
<contactref element="IC16" pad="13"/>
</signal>
<signal name="N$106">
<contactref element="IC16" pad="14"/>
<contactref element="SV5" pad="11"/>
</signal>
<signal name="N$107">
<contactref element="IC16" pad="17"/>
<contactref element="SV5" pad="13"/>
</signal>
<signal name="N$108">
<contactref element="IC16" pad="18"/>
<contactref element="SV5" pad="15"/>
</signal>
<signal name="N$109">
<contactref element="SV5" pad="1"/>
<contactref element="IC15" pad="13"/>
</signal>
<signal name="N$110">
<contactref element="SV5" pad="3"/>
<contactref element="IC15" pad="14"/>
</signal>
<signal name="N$111">
<contactref element="IC15" pad="17"/>
<contactref element="SV5" pad="5"/>
</signal>
<signal name="N$112">
<contactref element="SV5" pad="7"/>
<contactref element="IC15" pad="18"/>
</signal>
<signal name="N$113">
<contactref element="SV7" pad="15"/>
<contactref element="IC14" pad="19"/>
</signal>
<signal name="N$114">
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<contactref element="IC14" pad="16"/>
</signal>
<signal name="N$115">
<contactref element="SV7" pad="11"/>
<contactref element="IC14" pad="15"/>
</signal>
<signal name="N$116">
<contactref element="SV7" pad="9"/>
<contactref element="IC14" pad="12"/>
</signal>
<signal name="N$117">
<contactref element="IC14" pad="2"/>
<contactref element="SV7" pad="10"/>
</signal>
<signal name="N$118">
<contactref element="IC14" pad="5"/>
<contactref element="SV7" pad="12"/>
</signal>
<signal name="N$119">
<contactref element="IC14" pad="6"/>
<contactref element="SV7" pad="14"/>
</signal>
<signal name="N$120">
<contactref element="IC14" pad="9"/>
<contactref element="SV7" pad="16"/>
</signal>
<signal name="N$121">
<contactref element="IC13" pad="9"/>
<contactref element="SV7" pad="8"/>
</signal>
<signal name="N$122">
<contactref element="SV7" pad="6"/>
<contactref element="IC13" pad="6"/>
</signal>
<signal name="N$123">
<contactref element="IC13" pad="5"/>
<contactref element="SV7" pad="4"/>
</signal>
<signal name="PIA-A1">
<contactref element="IC2" pad="5"/>
<contactref element="IC6" pad="4"/>
<contactref element="IC3" pad="5"/>
<contactref element="IC7" pad="4"/>
<contactref element="IC4" pad="5"/>
<contactref element="IC8" pad="4"/>
<contactref element="IC9" pad="5"/>
<contactref element="IC10" pad="4"/>
<contactref element="IC11" pad="4"/>
<contactref element="IC15" pad="5"/>
<contactref element="IC12" pad="4"/>
<contactref element="IC16" pad="5"/>
<contactref element="IC14" pad="4"/>
<contactref element="IC13" pad="4"/>
<contactref element="IC25" pad="17"/>
<contactref element="SV9" pad="3"/>
</signal>
<signal name="PIA-A3">
<contactref element="IC12" pad="8"/>
<contactref element="IC16" pad="9"/>
<contactref element="IC2" pad="9"/>
<contactref element="IC6" pad="8"/>
<contactref element="IC3" pad="9"/>
<contactref element="IC7" pad="8"/>
<contactref element="IC4" pad="9"/>
<contactref element="IC8" pad="8"/>
<contactref element="IC9" pad="9"/>
<contactref element="IC10" pad="8"/>
<contactref element="IC11" pad="8"/>
<contactref element="IC15" pad="9"/>
<contactref element="IC14" pad="8"/>
<contactref element="IC13" pad="8"/>
<contactref element="IC25" pad="15"/>
<contactref element="SV9" pad="7"/>
</signal>
<signal name="PIA-A5">
<contactref element="IC12" pad="14"/>
<contactref element="IC16" pad="15"/>
<contactref element="IC11" pad="14"/>
<contactref element="IC15" pad="15"/>
<contactref element="IC2" pad="15"/>
<contactref element="IC6" pad="14"/>
<contactref element="IC3" pad="15"/>
<contactref element="IC7" pad="14"/>
<contactref element="IC4" pad="15"/>
<contactref element="IC8" pad="14"/>
<contactref element="IC9" pad="15"/>
<contactref element="IC10" pad="14"/>
<contactref element="IC14" pad="14"/>
<contactref element="IC13" pad="14"/>
<contactref element="IC25" pad="13"/>
<contactref element="SV9" pad="11"/>
</signal>
<signal name="PIA-A7">
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<contactref element="IC6" pad="18"/>
<contactref element="IC3" pad="19"/>
<contactref element="IC7" pad="18"/>
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<contactref element="IC10" pad="18"/>
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<contactref element="IC13" pad="18"/>
<contactref element="IC14" pad="18"/>
<contactref element="IC25" pad="11"/>
<contactref element="SV9" pad="15"/>
</signal>
<signal name="PIA-B5">
<contactref element="IC1" pad="18"/>
<contactref element="IC26" pad="13"/>
<contactref element="SV9" pad="12"/>
</signal>
<signal name="PIA-B4">
<contactref element="IC5" pad="18"/>
<contactref element="IC26" pad="14"/>
<contactref element="SV9" pad="10"/>
</signal>
<signal name="IN00">
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</signal>
<signal name="IN02">
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<contactref element="IC4" pad="1"/>
</signal>
<signal name="IN04">
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<contactref element="IC15" pad="1"/>
</signal>
<signal name="IN06">
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</signal>
<signal name="IN08">
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</signal>
<signal name="IN10">
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</signal>
<signal name="IN12">
<contactref element="IC5" pad="14"/>
</signal>
<signal name="IN14">
<contactref element="IC5" pad="16"/>
</signal>
<signal name="IN01">
<contactref element="IC5" pad="2"/>
<contactref element="IC3" pad="1"/>
</signal>
<signal name="IN03">
<contactref element="IC5" pad="4"/>
<contactref element="IC9" pad="1"/>
</signal>
<signal name="IN05">
<contactref element="IC5" pad="6"/>
<contactref element="IC16" pad="1"/>
</signal>
<signal name="IN07">
<contactref element="IC5" pad="8"/>
</signal>
<signal name="IN09">
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</signal>
<signal name="IN11">
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</signal>
<signal name="IN13">
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</signal>
<signal name="IN15">
<contactref element="IC5" pad="17"/>
</signal>
<signal name="OUT13">
<contactref element="IC1" pad="15"/>
</signal>
<signal name="OUT00">
<contactref element="IC1" pad="1"/>
<contactref element="IC6" pad="11"/>
</signal>
<signal name="OUT01">
<contactref element="IC1" pad="2"/>
<contactref element="IC7" pad="11"/>
</signal>
<signal name="OUT02">
<contactref element="IC1" pad="3"/>
<contactref element="IC8" pad="11"/>
</signal>
<signal name="OUT03">
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<contactref element="IC10" pad="11"/>
</signal>
<signal name="OUT04">
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<contactref element="IC11" pad="11"/>
</signal>
<signal name="OUT05">
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<contactref element="IC12" pad="11"/>
</signal>
<signal name="OUT06">
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<contactref element="IC13" pad="11"/>
</signal>
<signal name="OUT07">
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<contactref element="IC14" pad="11"/>
</signal>
<signal name="OUT08">
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</signal>
<signal name="OUT12">
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</signal>
<signal name="OUT10">
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</signal>
<signal name="OUT15">
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</signal>
<signal name="OUT14">
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</signal>
<signal name="OUT11">
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</signal>
<signal name="OUT09">
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</signal>
<signal name="N$3">
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<contactref element="Q1" pad="1"/>
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</signal>
<signal name="N$4">
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<signal name="!RST">
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<contactref element="IC24" pad="34"/>
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<signal name="N$6">
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</signal>
<signal name="N$21">
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<signal name="N$22">
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<contactref element="JP1" pad="2"/>
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<signal name="A00">
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<contactref element="IC23" pad="10"/>
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<contactref element="IC21" pad="13"/>
</signal>
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</signal>
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<contactref element="IC28" pad="3"/>
</signal>
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<contactref element="IC28" pad="2"/>
</signal>
<signal name="A13">
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<contactref element="IC22" pad="2"/>
<contactref element="IC23" pad="2"/>
<contactref element="IC19" pad="4"/>
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</signal>
<signal name="A11">
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<contactref element="IC29" pad="23"/>
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</signal>
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<contactref element="IC29" pad="24"/>
</signal>
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</signal>
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<signal name="A06">
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</signal>
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</signal>
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<contactref element="IC19" pad="1"/>
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</signal>
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<contactref element="IC29" pad="7"/>
</signal>
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<signal name="A01">
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<contactref element="IC23" pad="18"/>
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<signal name="D5">
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<contactref element="IC24" pad="29"/>
<contactref element="IC22" pad="16"/>
<contactref element="IC23" pad="16"/>
<contactref element="IC21" pad="18"/>
<contactref element="IC29" pad="16"/>
</signal>
<signal name="D7">
<contactref element="IC17" pad="26"/>
<contactref element="IC24" pad="26"/>
<contactref element="IC22" pad="19"/>
<contactref element="IC23" pad="19"/>
<contactref element="IC21" pad="15"/>
<contactref element="IC29" pad="19"/>
</signal>
<signal name="N$94">
<contactref element="IC24" pad="12"/>
<contactref element="IC26" pad="4"/>
</signal>
<signal name="N$124">
<contactref element="IC24" pad="13"/>
<contactref element="IC26" pad="5"/>
</signal>
<signal name="N$125">
<contactref element="IC24" pad="14"/>
<contactref element="IC26" pad="6"/>
</signal>
<signal name="N$126">
<contactref element="IC24" pad="15"/>
<contactref element="IC26" pad="7"/>
</signal>
<signal name="N$127">
<contactref element="IC24" pad="16"/>
<contactref element="IC26" pad="8"/>
</signal>
<signal name="N$128">
<contactref element="IC24" pad="17"/>
<contactref element="IC26" pad="9"/>
</signal>
<signal name="N$5">
<contactref element="IC24" pad="2"/>
<contactref element="IC25" pad="2"/>
</signal>
<signal name="N$129">
<contactref element="IC24" pad="3"/>
<contactref element="IC25" pad="3"/>
</signal>
<signal name="N$130">
<contactref element="IC24" pad="4"/>
<contactref element="IC25" pad="4"/>
</signal>
<signal name="N$131">
<contactref element="IC24" pad="5"/>
<contactref element="IC25" pad="5"/>
</signal>
<signal name="N$132">
<contactref element="IC24" pad="6"/>
<contactref element="IC25" pad="6"/>
</signal>
<signal name="N$133">
<contactref element="IC24" pad="7"/>
<contactref element="IC25" pad="7"/>
</signal>
<signal name="N$134">
<contactref element="IC24" pad="8"/>
<contactref element="IC25" pad="8"/>
</signal>
<signal name="N$135">
<contactref element="IC24" pad="9"/>
<contactref element="IC25" pad="9"/>
</signal>
<signal name="N$24">
<contactref element="IC26" pad="2"/>
<contactref element="IC24" pad="10"/>
</signal>
<signal name="N$25">
<contactref element="IC26" pad="3"/>
<contactref element="IC24" pad="11"/>
</signal>
<signal name="N$136">
<contactref element="IC24" pad="19"/>
<contactref element="IC26" pad="1"/>
</signal>
<signal name="N$137">
<contactref element="IC24" pad="39"/>
<contactref element="IC25" pad="1"/>
</signal>
<signal name="N$138">
<contactref element="IC24" pad="40"/>
<contactref element="IC27" pad="9"/>
</signal>
<signal name="PIA-B7">
<contactref element="IC26" pad="11"/>
<contactref element="SV9" pad="16"/>
</signal>
<signal name="PIA-B6">
<contactref element="IC26" pad="12"/>
<contactref element="SV9" pad="14"/>
</signal>
<signal name="!IRQ">
<contactref element="IC24" pad="38"/>
<contactref element="IC24" pad="37"/>
<contactref element="IC17" pad="4"/>
<contactref element="R7" pad="1"/>
</signal>
<signal name="CB1">
<contactref element="IC24" pad="18"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="E">
<contactref element="IC24" pad="25"/>
<contactref element="IC17" pad="37"/>
<contactref element="IC21" pad="14"/>
<contactref element="IC18" pad="10"/>
</signal>
<signal name="N$140">
<contactref element="IC27" pad="8"/>
<contactref element="IC27" pad="12"/>
<contactref element="R4" pad="1"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="N$141">
<contactref element="IC27" pad="13"/>
<contactref element="R4" pad="2"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$142">
<contactref element="C5" pad="1"/>
<contactref element="IC27" pad="11"/>
</signal>
<signal name="!AB">
<contactref element="IC22" pad="20"/>
<contactref element="IC22" pad="22"/>
<contactref element="IC28" pad="10"/>
</signal>
<signal name="!EF">
<contactref element="IC23" pad="20"/>
<contactref element="IC23" pad="22"/>
<contactref element="IC28" pad="7"/>
</signal>
<signal name="!NMI">
<contactref element="IC17" pad="6"/>
<contactref element="R6" pad="1"/>
<contactref element="IC21" pad="7"/>
</signal>
<signal name="MR">
<contactref element="IC17" pad="3"/>
<contactref element="R8" pad="1"/>
</signal>
<signal name="!HLT">
<contactref element="IC17" pad="2"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="N$23">
<contactref element="IC21" pad="4"/>
<contactref element="IC21" pad="3"/>
<contactref element="IC27" pad="5"/>
</signal>
<signal name="N$143">
<contactref element="R10" pad="1"/>
<contactref element="R11" pad="E"/>
</signal>
<signal name="N$27">
<contactref element="R11" pad="A"/>
<contactref element="C6" pad="1"/>
<contactref element="IC27" pad="2"/>
<contactref element="IC27" pad="6"/>
</signal>
<signal name="N$28">
<contactref element="IC27" pad="1"/>
<contactref element="R9" pad="1"/>
<contactref element="R10" pad="2"/>
</signal>
<signal name="N$144">
<contactref element="X1" pad="4"/>
<contactref element="X1" pad="6"/>
</signal>
<signal name="N$145">
<contactref element="X1" pad="7"/>
<contactref element="X1" pad="8"/>
</signal>
<signal name="N$146">
<contactref element="X1" pad="5"/>
<contactref element="X1" pad="G1"/>
<contactref element="X1" pad="G2"/>
</signal>
<signal name="RX">
<contactref element="IC21" pad="2"/>
<contactref element="IC20" pad="12"/>
</signal>
<signal name="TXD">
<contactref element="X1" pad="3"/>
<contactref element="IC20" pad="14"/>
</signal>
<signal name="N$147">
<contactref element="IC21" pad="5"/>
<contactref element="IC18" pad="12"/>
<contactref element="IC18" pad="13"/>
</signal>
<signal name="N$148">
<contactref element="IC18" pad="11"/>
<contactref element="LED1" pad="K"/>
</signal>
<signal name="N$149">
<contactref element="LED1" pad="A"/>
<contactref element="R12" pad="1"/>
</signal>
<signal name="!IO-F">
<contactref element="IC21" pad="9"/>
<contactref element="IC19" pad="7"/>
</signal>
<signal name="N$150">
<contactref element="R13" pad="2"/>
<contactref element="IC21" pad="24"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="N$151">
<contactref element="IC18" pad="8"/>
<contactref element="IC28" pad="4"/>
</signal>
<signal name="N$152">
<contactref element="IC19" pad="5"/>
<contactref element="IC28" pad="15"/>
</signal>
<signal name="!CD">
<contactref element="IC28" pad="9"/>
<contactref element="IC29" pad="22"/>
<contactref element="IC29" pad="20"/>
</signal>
<signal name="!IO-E">
<contactref element="IC19" pad="9"/>
<contactref element="IC24" pad="23"/>
</signal>
<signal name="N$154">
<contactref element="IC27" pad="3"/>
<contactref element="C7" pad="1"/>
</signal>
<signal name="TX">
<contactref element="IC21" pad="6"/>
<contactref element="IC20" pad="11"/>
</signal>
<signal name="RXD">
<contactref element="X1" pad="2"/>
<contactref element="IC20" pad="13"/>
</signal>
<signal name="N$153">
<contactref element="IC20" pad="8"/>
<contactref element="IC20" pad="7"/>
</signal>
<signal name="N$155">
<contactref element="IC20" pad="5"/>
<contactref element="C9" pad="2"/>
</signal>
<signal name="N$156">
<contactref element="C9" pad="1"/>
<contactref element="IC20" pad="4"/>
</signal>
<signal name="N$157">
<contactref element="C8" pad="2"/>
<contactref element="IC20" pad="3"/>
</signal>
<signal name="N$158">
<contactref element="C8" pad="1"/>
<contactref element="IC20" pad="1"/>
</signal>
<signal name="N$159">
<contactref element="C11" pad="1"/>
<contactref element="IC20" pad="6"/>
</signal>
<signal name="N$160">
<contactref element="IC20" pad="2"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="N$139">
<contactref element="SV7" pad="2"/>
<contactref element="IC13" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
