<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.6.0">
<drawing>
<board>
<plain>
<wire x1="0.038" y1="83.02" x2="0.038" y2="0.015" width="0" layer="20"/>
<wire x1="0.038" y1="0.015" x2="99.7205" y2="0.015" width="0" layer="20"/>
<wire x1="99.7205" y1="0.015" x2="99.7205" y2="83.02" width="0" layer="20"/>
<wire x1="99.7205" y1="83.02" x2="0.038" y2="83.02" width="0" layer="20"/>
<text>SP0-SP3 GND V</text>
</plain>
<libraries>
<library name="atmel">
<packages>
<package name="DIL20">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="74xx-eu">
<packages>
<package name="DIL20">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="microchip">
<packages>
<package name="DIL28-6">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;&lt;p&gt;
package type P</description>
</package>
</packages>
</library>
<library name="74xx-eu2">
<packages>
<package name="DIL24-3">
<description>&lt;b&gt;Dual In Line&lt;/b&gt; 0.3 inch</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
<package name="DO41-7.6">
<description>&lt;b&gt;DO41&lt;/b&gt; 7.6mm x 2mm&lt;p&gt;
Source: http://www.diodes.com/datasheets/ds23001.pdf</description>
</package>
</packages>
</library>
<library name="discrete2">
<packages>
<package name="RN-8">
</package>
<package name="D-5">
</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="E2,5-7">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 7 mm</description>
</package>
<package name="E2,5-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 5 mm</description>
</package>
<package name="C075-032X103">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 7.5 mm, outline 3.2 x 10.3 mm</description>
</package>
</packages>
</library>
<library name="con-harting-ml">
<packages>
<package name="ML40">
<description>&lt;b&gt;HARTING&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-vg">
<packages>
<package name="MAB64">
<description>&lt;b&gt;CONNECTOR&lt;/b&gt;&lt;p&gt;
male, 64 pins, type b, rows AB, grid 2.54 mm</description>
</package>
</packages>
</library>
<library name="con-lstb">
<packages>
<package name="MA05-2">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="memory-issi-asynsram">
<description>&lt;b&gt;Integrated Silicon Solution- asynchronous SRAM&lt;/b&gt;&lt;p&gt;

&lt;author&gt;Created by jb@jenszuhause.de&lt;/author&gt;&lt;p&gt;
&lt;b&gt;You are using this libary by your own risk.&lt;/b&gt;&lt;br&gt;
&lt;b&gt;Make sure to check everything well due to this libary before using it.&lt;/b&gt;</description>
<packages>
<package name="TSOP-II-44">
<description>&lt;b&gt;TSOP-II-44&lt;/b&gt;&lt;p&gt;
44-pin thin small-outline package, Typ II</description>
</package>
</packages>
</library>
<library name="pinhead">
<description>&lt;b&gt;Pin Header Connectors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="1X01">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="jumper">
<description>&lt;b&gt;Jumpers&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="JP2">
<description>&lt;b&gt;JUMPER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="v-reg-3">
<description>&lt;b&gt;Voltage Regulators&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;&lt;/p&gt;
&lt;p&gt;&lt;date&gt;2008-05-16&lt;/date&gt;, updates by &lt;author&gt;Eike Schmidt&lt;/author&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;integrated library "ltc_swr.lbr" with switching regulators from &lt;a href=http://www.linear.com&gt;Linear Technology&lt;/a&gt;, created by &lt;author&gt;Claudius Stern&lt;/author&gt;&lt;/li&gt;&lt;li&gt;added step-down switching regulator LT1767&lt;/li&gt;&lt;li&gt;combined identical symbols for positive regulators&lt;/li&gt;&lt;li&gt;added packages SO8 and SOT89 for 78Lxx and 79Lxx&lt;/li&gt;&lt;li&gt;added package SO8 for LM317L and LM337L&lt;/li&gt;&lt;li&gt;added linear regulators L4931, L4949E, LM2931&lt;/li&gt;&lt;li&gt;added micropower, ultra-low dropout family LP298x&lt;/li&gt;&lt;li&gt;added ultra-low dropout regulators IRU1205, TK112, TK113&lt;/li&gt;&lt;li&gt;added low power, low dropout regulator family S-812&lt;/li&gt;&lt;li&gt;added NPN "Simple Switcher"(c) family LM257x&lt;/li&gt;&lt;li&gt;added DMOS "Simple Switcher"(c) family LM267x&lt;/li&gt;&lt;li&gt;added NPN Darlington switching regulator MC34063A&lt;/li&gt;&lt;li&gt;added LED boost drivers PR4401, PR4402, PR4403&lt;/li&gt;&lt;/ul&gt;</description>
<packages>
<package name="TO263-5">
<description>&lt;b&gt;TO-263&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="inductor-neosid">
<description>&lt;b&gt;Neosid Chokes and Transformers&lt;/b&gt;&lt;p&gt;

Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Electronic Component Book, Part 2 : Chokes, Fixed Value Inductors
&lt;li&gt;Part 3 : Filters, Coil Assemblies, Thermoplastic Parts
&lt;li&gt;Part 4 : SMD Filters, Coils, Fixed Value Inductors
&lt;li&gt;www.neosid.de
&lt;/ul&gt;
 &lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SD12K100">
<description>NOMINAL &lt;b&gt;INDUCTANCE&lt;/b&gt;&lt;p&gt;
over 82 µH, grid 5 mm, diameter 10.5 mm, height 13 mm</description>
</package>
</packages>
</library>
<library name="transistor-npn">
<description>&lt;b&gt;NPN Transistors&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TO18">
<description>&lt;b&gt;TO 18&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-lsta">
<description>&lt;b&gt;Female Headers etc.&lt;/b&gt;&lt;p&gt;
Naming:&lt;p&gt;
FE = female&lt;p&gt;
# contacts - # rows&lt;p&gt;
W = angled&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="FE06">
<description>&lt;b&gt;FEMALE HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SmartPrj">
<packages>
<package name="0204/7">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0204, grid 7.5 mm</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="U6" library="atmel" package="DIL20" value="GAL16V8-2">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U5" library="atmel" package="DIL20" value="GAL16V8-1">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U4" library="74xx-eu" package="DIL20" value="74HCT688N">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U1" library="microchip" package="DIL28-6" value="27C256P">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U3" library="74xx-eu2" package="DIL24-3" value="74LS646">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RN1" library="discrete2" package="RN-8" value="4.7K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="rcl" package="E2,5-5" value="100uF">
<attribute name="NAME"/>
</element>
<element name="C2" library="rcl" package="E2,5-7" value="330uF">
<attribute name="NAME"/>
</element>
<element name="C3" library="rcl" package="C075-032X103" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="rcl" package="C050-025X075" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="rcl" package="C050-025X075" value=""/>
<element name="C6" library="rcl" package="C050-025X075" value="100n">
<attribute name="NAME"/>
</element>
<element name="SV1" library="con-harting-ml" package="ML40" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X1" library="con-vg" package="MAB64" value="MAB64"/>
<element name="SV2" library="con-lstb" package="MA05-2" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D2" library="discrete2" package="D-5" value="1N4148">
<attribute name="NAME"/>
</element>
<element name="U8" library="atmel" package="DIL20" value="GAL16V8-3">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC1" library="memory-issi-asynsram" package="TSOP-II-44" value="IS62WV10248DBLL-55T">
<attribute name="NAME"/>
</element>
<element name="U7" library="74xx-eu2" package="DIL24-3" value="74LS646"/>
<element name="X2" library="con-vg" package="MAB64" value="MAB64"/>
<element name="D6" library="diode" package="DO41-10" value="BAT41">
<attribute name="NAME"/>
</element>
<element name="C7" library="rcl" package="C050-025X075" value=""/>
<element name="JP1" library="pinhead" package="1X01" value=""/>
<element name="JP2" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP3" library="jumper" package="JP2" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="rcl" package="C050-025X075" value=""/>
<element name="IC2" library="v-reg-3" package="TO263-5" value="LM2575S">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L1" library="inductor-neosid" package="SD12K100" value="330uH">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="diode" package="DO41-7.6" value="1N5819-B">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="transistor-npn" package="TO18" value="2N2369">
<attribute name="NAME"/>
</element>
<element name="Q2" library="transistor-npn" package="TO18" value="2N2369">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C9" library="rcl" package="C075-032X103" value=""/>
<element name="SV4" library="con-lsta" package="FE06" value="">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SmartPrj" package="0204/7" value=""/>
<element name="C10" library="rcl" package="C050-025X075" value="100n"/>
</elements>
<signals>
<signal name="GND">
<contactref element="U4" pad="10"/>
<contactref element="U1" pad="14"/>
<contactref element="U4" pad="15"/>
<contactref element="U4" pad="1"/>
<contactref element="U4" pad="17"/>
<contactref element="U4" pad="18"/>
<contactref element="U4" pad="16"/>
<contactref element="U5" pad="10"/>
<contactref element="U5" pad="1"/>
<contactref element="U6" pad="10"/>
<contactref element="U5" pad="11"/>
<contactref element="U3" pad="22"/>
<contactref element="C1" pad="-"/>
<contactref element="C2" pad="-"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C5" pad="2"/>
<contactref element="C6" pad="2"/>
<contactref element="SV1" pad="2"/>
<contactref element="SV1" pad="24"/>
<contactref element="SV1" pad="22"/>
<contactref element="SV1" pad="26"/>
<contactref element="SV1" pad="30"/>
<contactref element="SV1" pad="40"/>
<contactref element="SV1" pad="19"/>
<contactref element="SV2" pad="9"/>
<contactref element="SV2" pad="7"/>
<contactref element="SV2" pad="5"/>
<contactref element="SV2" pad="3"/>
<contactref element="SV2" pad="1"/>
<contactref element="X1" pad="B32"/>
<contactref element="X1" pad="A32"/>
<contactref element="U3" pad="12"/>
<contactref element="U7" pad="12"/>
<contactref element="U7" pad="2"/>
<contactref element="X2" pad="B32"/>
<contactref element="X2" pad="A32"/>
<contactref element="IC1" pad="34"/>
<contactref element="IC1" pad="12"/>
<contactref element="U8" pad="11"/>
<contactref element="U8" pad="1"/>
<contactref element="C7" pad="2"/>
<contactref element="U8" pad="10"/>
<contactref element="U8" pad="9"/>
<contactref element="C8" pad="2"/>
<contactref element="IC2" pad="3"/>
<contactref element="D1" pad="A"/>
<contactref element="IC2" pad="5"/>
<contactref element="C9" pad="2"/>
<contactref element="JP3" pad="3"/>
<contactref element="SV4" pad="5"/>
<contactref element="U8" pad="8"/>
<contactref element="C10" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="U4" pad="20"/>
<contactref element="U1" pad="27"/>
<contactref element="U5" pad="20"/>
<contactref element="U6" pad="20"/>
<contactref element="RN1" pad="1"/>
<contactref element="U1" pad="1"/>
<contactref element="U1" pad="28"/>
<contactref element="U3" pad="23"/>
<contactref element="C2" pad="+"/>
<contactref element="C3" pad="1"/>
<contactref element="C4" pad="1"/>
<contactref element="C5" pad="1"/>
<contactref element="C6" pad="1"/>
<contactref element="SV1" pad="20"/>
<contactref element="U3" pad="24"/>
<contactref element="U8" pad="20"/>
<contactref element="U7" pad="24"/>
<contactref element="U7" pad="1"/>
<contactref element="U7" pad="22"/>
<contactref element="IC1" pad="40"/>
<contactref element="IC1" pad="11"/>
<contactref element="IC1" pad="33"/>
<contactref element="C7" pad="1"/>
<contactref element="JP3" pad="1"/>
<contactref element="C8" pad="1"/>
<contactref element="L1" pad="2"/>
<contactref element="IC2" pad="4"/>
<contactref element="Q2" pad="3"/>
<contactref element="Q1" pad="3"/>
<contactref element="C9" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="C10" pad="1"/>
</signal>
<signal name="D0">
<contactref element="U3" pad="20"/>
<contactref element="U1" pad="11"/>
<contactref element="X1" pad="B29"/>
<contactref element="IC1" pad="36"/>
<contactref element="U7" pad="20"/>
<contactref element="X2" pad="B29"/>
</signal>
<signal name="D1">
<contactref element="U3" pad="19"/>
<contactref element="U1" pad="12"/>
<contactref element="X1" pad="B30"/>
<contactref element="IC1" pad="35"/>
<contactref element="U7" pad="19"/>
<contactref element="X2" pad="B30"/>
</signal>
<signal name="D2">
<contactref element="U3" pad="18"/>
<contactref element="U1" pad="13"/>
<contactref element="X1" pad="B31"/>
<contactref element="IC1" pad="32"/>
<contactref element="U7" pad="18"/>
<contactref element="X2" pad="B31"/>
</signal>
<signal name="D3">
<contactref element="U3" pad="17"/>
<contactref element="U1" pad="15"/>
<contactref element="X1" pad="A31"/>
<contactref element="IC1" pad="31"/>
<contactref element="U7" pad="17"/>
<contactref element="X2" pad="A31"/>
</signal>
<signal name="D4">
<contactref element="U3" pad="16"/>
<contactref element="U1" pad="16"/>
<contactref element="X1" pad="A30"/>
<contactref element="IC1" pad="14"/>
<contactref element="U7" pad="16"/>
<contactref element="X2" pad="A30"/>
</signal>
<signal name="D5">
<contactref element="U3" pad="15"/>
<contactref element="U1" pad="17"/>
<contactref element="X1" pad="A29"/>
<contactref element="IC1" pad="13"/>
<contactref element="U7" pad="15"/>
<contactref element="X2" pad="A29"/>
</signal>
<signal name="D6">
<contactref element="U3" pad="14"/>
<contactref element="U1" pad="18"/>
<contactref element="X1" pad="A28"/>
<contactref element="IC1" pad="10"/>
<contactref element="U7" pad="14"/>
<contactref element="X2" pad="A28"/>
</signal>
<signal name="D7">
<contactref element="U3" pad="13"/>
<contactref element="U1" pad="19"/>
<contactref element="X1" pad="A27"/>
<contactref element="IC1" pad="9"/>
<contactref element="U7" pad="13"/>
<contactref element="X2" pad="A27"/>
</signal>
<signal name="A0">
<contactref element="U1" pad="10"/>
<contactref element="U6" pad="9"/>
<contactref element="U5" pad="5"/>
<contactref element="X1" pad="B11"/>
<contactref element="IC1" pad="18"/>
<contactref element="X2" pad="B11"/>
</signal>
<signal name="A1">
<contactref element="U1" pad="9"/>
<contactref element="U5" pad="4"/>
<contactref element="X1" pad="B9"/>
<contactref element="IC1" pad="19"/>
<contactref element="X2" pad="B9"/>
</signal>
<signal name="A2">
<contactref element="U1" pad="8"/>
<contactref element="U5" pad="3"/>
<contactref element="X1" pad="B8"/>
<contactref element="IC1" pad="20"/>
<contactref element="X2" pad="B8"/>
</signal>
<signal name="A3">
<contactref element="U1" pad="7"/>
<contactref element="U6" pad="11"/>
<contactref element="U5" pad="2"/>
<contactref element="U3" pad="2"/>
<contactref element="X1" pad="A9"/>
<contactref element="IC1" pad="21"/>
<contactref element="X2" pad="A9"/>
</signal>
<signal name="A4">
<contactref element="U1" pad="6"/>
<contactref element="X1" pad="A10"/>
<contactref element="IC1" pad="22"/>
<contactref element="X2" pad="A10"/>
</signal>
<signal name="A5">
<contactref element="U1" pad="5"/>
<contactref element="X1" pad="A11"/>
<contactref element="IC1" pad="23"/>
<contactref element="X2" pad="A11"/>
</signal>
<signal name="A6">
<contactref element="U1" pad="4"/>
<contactref element="X1" pad="A12"/>
<contactref element="IC1" pad="24"/>
<contactref element="X2" pad="A12"/>
</signal>
<signal name="A7">
<contactref element="U1" pad="3"/>
<contactref element="X1" pad="A13"/>
<contactref element="IC1" pad="25"/>
<contactref element="X2" pad="A13"/>
</signal>
<signal name="A8">
<contactref element="U1" pad="25"/>
<contactref element="U6" pad="5"/>
<contactref element="X1" pad="A14"/>
<contactref element="IC1" pad="26"/>
<contactref element="X2" pad="A14"/>
</signal>
<signal name="A9">
<contactref element="U1" pad="24"/>
<contactref element="U6" pad="6"/>
<contactref element="X1" pad="A15"/>
<contactref element="IC1" pad="27"/>
<contactref element="X2" pad="A15"/>
</signal>
<signal name="A10">
<contactref element="U1" pad="21"/>
<contactref element="U6" pad="2"/>
<contactref element="X1" pad="A16"/>
<contactref element="IC1" pad="28"/>
<contactref element="X2" pad="A16"/>
</signal>
<signal name="A11">
<contactref element="U1" pad="23"/>
<contactref element="U6" pad="1"/>
<contactref element="X1" pad="A17"/>
<contactref element="IC1" pad="39"/>
<contactref element="X2" pad="A17"/>
</signal>
<signal name="A12">
<contactref element="U1" pad="2"/>
<contactref element="U6" pad="3"/>
<contactref element="X1" pad="A18"/>
<contactref element="IC1" pad="42"/>
<contactref element="X2" pad="A18"/>
</signal>
<signal name="A13">
<contactref element="U1" pad="26"/>
<contactref element="U6" pad="4"/>
<contactref element="X1" pad="A19"/>
<contactref element="IC1" pad="43"/>
<contactref element="X2" pad="A19"/>
</signal>
<signal name="A14">
<contactref element="U4" pad="2"/>
<contactref element="X1" pad="A20"/>
<contactref element="IC1" pad="44"/>
<contactref element="X2" pad="A20"/>
</signal>
<signal name="A15">
<contactref element="U4" pad="4"/>
<contactref element="X1" pad="B22"/>
<contactref element="IC1" pad="1"/>
<contactref element="X2" pad="B22"/>
</signal>
<signal name="A16">
<contactref element="U4" pad="6"/>
<contactref element="X1" pad="A23"/>
<contactref element="IC1" pad="2"/>
<contactref element="X2" pad="A23"/>
<contactref element="U8" pad="6"/>
</signal>
<signal name="A17">
<contactref element="U4" pad="8"/>
<contactref element="X1" pad="A24"/>
<contactref element="IC1" pad="3"/>
<contactref element="X2" pad="A24"/>
<contactref element="U8" pad="2"/>
</signal>
<signal name="A18">
<contactref element="U4" pad="11"/>
<contactref element="X1" pad="A25"/>
<contactref element="RN1" pad="2"/>
<contactref element="U8" pad="3"/>
<contactref element="IC1" pad="4"/>
<contactref element="X2" pad="A25"/>
</signal>
<signal name="A19">
<contactref element="U4" pad="13"/>
<contactref element="RN1" pad="8"/>
<contactref element="X1" pad="A26"/>
<contactref element="U8" pad="4"/>
<contactref element="IC1" pad="5"/>
<contactref element="X2" pad="A26"/>
</signal>
<signal name="DSMC">
<contactref element="X1" pad="A6"/>
<contactref element="X2" pad="A6"/>
<contactref element="Q2" pad="1"/>
<contactref element="Q1" pad="1"/>
</signal>
<signal name="N$1">
<contactref element="U6" pad="19"/>
<contactref element="Q1" pad="2"/>
</signal>
<signal name="DTACK">
<contactref element="X1" pad="B25"/>
<contactref element="D2" pad="A"/>
<contactref element="X2" pad="B25"/>
<contactref element="D6" pad="A"/>
</signal>
<signal name="N$2">
<contactref element="U6" pad="18"/>
<contactref element="U4" pad="19"/>
<contactref element="D2" pad="C"/>
</signal>
<signal name="N$3">
<contactref element="U6" pad="17"/>
<contactref element="U1" pad="20"/>
<contactref element="U1" pad="22"/>
</signal>
<signal name="N$4">
<contactref element="U6" pad="16"/>
<contactref element="U5" pad="9"/>
</signal>
<signal name="N$5">
<contactref element="U6" pad="15"/>
<contactref element="U3" pad="21"/>
</signal>
<signal name="N$6">
<contactref element="U6" pad="14"/>
<contactref element="U3" pad="1"/>
</signal>
<signal name="N$7">
<contactref element="U6" pad="13"/>
<contactref element="U7" pad="21"/>
</signal>
<signal name="N$8">
<contactref element="U6" pad="12"/>
<contactref element="U7" pad="23"/>
</signal>
<signal name="R/W">
<contactref element="U6" pad="8"/>
<contactref element="U3" pad="3"/>
<contactref element="U5" pad="6"/>
<contactref element="X1" pad="B26"/>
<contactref element="IC1" pad="17"/>
<contactref element="U7" pad="3"/>
<contactref element="X2" pad="B26"/>
</signal>
<signal name="DS">
<contactref element="U6" pad="7"/>
<contactref element="U5" pad="7"/>
<contactref element="X1" pad="B27"/>
<contactref element="U8" pad="5"/>
<contactref element="X2" pad="B27"/>
</signal>
<signal name="N$11">
<contactref element="U4" pad="7"/>
<contactref element="RN1" pad="5"/>
<contactref element="SV2" pad="6"/>
</signal>
<signal name="N$12">
<contactref element="U4" pad="5"/>
<contactref element="RN1" pad="6"/>
<contactref element="SV2" pad="8"/>
</signal>
<signal name="N$13">
<contactref element="U4" pad="3"/>
<contactref element="RN1" pad="7"/>
<contactref element="SV2" pad="10"/>
</signal>
<signal name="+9V">
<contactref element="C1" pad="+"/>
<contactref element="X1" pad="B2"/>
<contactref element="X1" pad="B1"/>
<contactref element="X2" pad="B2"/>
<contactref element="X2" pad="B1"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="DD0">
<contactref element="U3" pad="4"/>
<contactref element="SV1" pad="17"/>
</signal>
<signal name="DD1">
<contactref element="U3" pad="5"/>
<contactref element="SV1" pad="15"/>
</signal>
<signal name="DD2">
<contactref element="U3" pad="6"/>
<contactref element="SV1" pad="13"/>
</signal>
<signal name="DD3">
<contactref element="U3" pad="7"/>
<contactref element="SV1" pad="11"/>
</signal>
<signal name="DD4">
<contactref element="U3" pad="8"/>
<contactref element="SV1" pad="9"/>
</signal>
<signal name="DD5">
<contactref element="U3" pad="9"/>
<contactref element="SV1" pad="7"/>
</signal>
<signal name="DD6">
<contactref element="U3" pad="10"/>
<contactref element="SV1" pad="5"/>
</signal>
<signal name="DD7">
<contactref element="U3" pad="11"/>
<contactref element="SV1" pad="3"/>
</signal>
<signal name="DD8">
<contactref element="SV1" pad="4"/>
<contactref element="U7" pad="4"/>
</signal>
<signal name="DD9">
<contactref element="SV1" pad="6"/>
<contactref element="U7" pad="5"/>
</signal>
<signal name="DD10">
<contactref element="SV1" pad="8"/>
<contactref element="U7" pad="6"/>
</signal>
<signal name="DD11">
<contactref element="SV1" pad="10"/>
<contactref element="U7" pad="7"/>
</signal>
<signal name="DD12">
<contactref element="SV1" pad="12"/>
<contactref element="U7" pad="8"/>
</signal>
<signal name="DD13">
<contactref element="SV1" pad="14"/>
<contactref element="U7" pad="9"/>
</signal>
<signal name="DD14">
<contactref element="SV1" pad="16"/>
<contactref element="U7" pad="10"/>
</signal>
<signal name="DD15">
<contactref element="SV1" pad="18"/>
<contactref element="U7" pad="11"/>
</signal>
<signal name="IA0">
<contactref element="U5" pad="17"/>
<contactref element="SV1" pad="35"/>
</signal>
<signal name="IA2">
<contactref element="U5" pad="16"/>
<contactref element="SV1" pad="36"/>
</signal>
<signal name="IA1">
<contactref element="U5" pad="15"/>
<contactref element="SV1" pad="33"/>
</signal>
<signal name="IIOR">
<contactref element="U5" pad="14"/>
<contactref element="SV1" pad="25"/>
</signal>
<signal name="IIOW">
<contactref element="U5" pad="13"/>
<contactref element="SV1" pad="23"/>
</signal>
<signal name="IRESET">
<contactref element="U5" pad="12"/>
<contactref element="SV1" pad="1"/>
</signal>
<signal name="ICS1">
<contactref element="U5" pad="18"/>
<contactref element="SV1" pad="38"/>
</signal>
<signal name="ICS0">
<contactref element="U5" pad="19"/>
<contactref element="SV1" pad="37"/>
</signal>
<signal name="RESET">
<contactref element="U5" pad="8"/>
<contactref element="X1" pad="B21"/>
<contactref element="X2" pad="B21"/>
</signal>
<signal name="N$10">
<contactref element="SV2" pad="4"/>
<contactref element="U4" pad="9"/>
<contactref element="RN1" pad="4"/>
</signal>
<signal name="N$9">
<contactref element="U4" pad="14"/>
<contactref element="U4" pad="12"/>
<contactref element="SV2" pad="2"/>
<contactref element="RN1" pad="3"/>
</signal>
<signal name="ASL">
<contactref element="X1" pad="B28"/>
<contactref element="JP2" pad="1"/>
</signal>
<signal name="N$16">
<contactref element="U8" pad="19"/>
<contactref element="Q2" pad="2"/>
</signal>
<signal name="OE">
<contactref element="IC1" pad="41"/>
<contactref element="U8" pad="17"/>
<contactref element="D6" pad="C"/>
</signal>
<signal name="N$17">
<contactref element="IC1" pad="6"/>
<contactref element="U8" pad="18"/>
</signal>
<signal name="ASL2">
<contactref element="X2" pad="B28"/>
<contactref element="JP1" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="L1" pad="1"/>
<contactref element="IC2" pad="2"/>
<contactref element="D1" pad="C"/>
</signal>
<signal name="EXTINT">
<contactref element="X1" pad="B3"/>
<contactref element="X2" pad="B3"/>
</signal>
<signal name="N$14">
<contactref element="JP3" pad="2"/>
<contactref element="U8" pad="7"/>
</signal>
<signal name="SP1">
<contactref element="X2" pad="A5"/>
<contactref element="SV4" pad="2"/>
</signal>
<signal name="SP0">
<contactref element="X2" pad="A4"/>
<contactref element="SV4" pad="1"/>
</signal>
<signal name="SP2">
<contactref element="X2" pad="A7"/>
<contactref element="SV4" pad="3"/>
</signal>
<signal name="SP3">
<contactref element="X2" pad="B7"/>
<contactref element="SV4" pad="4"/>
</signal>
<signal name="N$18">
<contactref element="SV4" pad="6"/>
<contactref element="R1" pad="2"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
