<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="102.159" y2="0" width="0" layer="20"/>
<wire x1="102.159" y1="0" x2="102.159" y2="57.14" width="0" layer="20"/>
<wire x1="102.159" y1="57.14" x2="0" y2="57.14" width="0" layer="20"/>
<wire x1="0" y1="57.14" x2="0" y2="0" width="0" layer="20"/>
<text>M/C</text>
<text>Cart</text>
<text>NanoVoice 1.2</text>
<text>25 NOV 2015</text>
<hole x="46.863" y="51.562" drill="5.0038"/>
<hole x="13.335" y="3.81" drill="5.0038"/>
</plain>
<libraries>
<library name="ic-package">
<description>&lt;b&gt;IC Packages an Sockets&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL40">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL28-6">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt; 0.6 inch</description>
</package>
</packages>
</library>
<library name="SparkFun-Resistors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="AXIAL-0.4">
<description>1/4W Resistor, 0.4" wide&lt;p&gt;

Yageo CFR series &lt;a href="http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf"&gt;http://www.yageo.com/pdf/yageo/Leaded-R_CFR_2008.pdf&lt;/a&gt;</description>
</package>
</packages>
</library>
<library name="transistor-pnp">
<description>&lt;b&gt;PNP 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="74xx-us">
<description>&lt;b&gt;TTL Devices, 74xx Series with US Symbols&lt;/b&gt;&lt;p&gt;
Based on the following sources:
&lt;ul&gt;
&lt;li&gt;Texas Instruments &lt;i&gt;TTL Data Book&lt;/i&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;Volume 1, 1996.
&lt;li&gt;TTL Data Book, Volume 2 , 1993
&lt;li&gt;National Seminconductor Databook 1990, ALS/LS Logic
&lt;li&gt;ttl 74er digital data dictionary, ECA Electronic + Acustic GmbH, ISBN 3-88109-032-0
&lt;li&gt;http://icmaster.com/ViewCompare.asp
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Capacitors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="CAP-PTH-5MM">
</package>
</packages>
</library>
<library name="linear">
<description>&lt;b&gt;Linear Devices&lt;/b&gt;&lt;p&gt;
Operational amplifiers,  comparators, voltage regulators, ADCs, DACs, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL14">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="special">
<description>&lt;b&gt;Special Devices&lt;/b&gt;&lt;p&gt;
7-segment displays, switches, heatsinks, crystals, transformers, etc.&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="QS">
<description>&lt;B&gt;CRYSTAL&lt;/B&gt;</description>
</package>
</packages>
</library>
<library name="testpad">
<description>&lt;b&gt;Test Pins/Pads&lt;/b&gt;&lt;p&gt;
Cream on SMD OFF.&lt;br&gt;
new: Attribute TP_SIGNAL_NAME&lt;br&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="TP12R">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-Electromechanical">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find anything that moves- switches, relays, buttons, potentiometers. Also, anything that goes on a board but isn't electrical in nature- screws, standoffs, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="ALPS_POT">
</package>
</packages>
</library>
<library name="resistor-sil">
<description>&lt;b&gt;Resistors in Single Inline Packages&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="SIL9">
<description>&lt;b&gt;Single In Line&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="con-cardedge">
<packages>
<package name="CARDEDGE-44M">
</package>
<package name="CARDEDGE-44F">
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; CC v3.0 Share-Alike You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="CPOL-RADIAL-10UF-25V">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="SPB640" library="ic-package" package="DIL40" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SPO256" library="ic-package" package="DIL28-6" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="transistor-pnp" package="TO18" value="2N2906">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="SparkFun-Resistors" package="AXIAL-0.4" value="1k"/>
<element name="R2" library="SparkFun-Resistors" package="AXIAL-0.4" value="2.2k"/>
<element name="R3" library="SparkFun-Resistors" package="AXIAL-0.4" value="180"/>
<element name="R4" library="SparkFun-Resistors" package="AXIAL-0.4" value="2.2k"/>
<element name="R5" library="SparkFun-Resistors" package="AXIAL-0.4" value="2.2k"/>
<element name="IC1" library="74xx-us" package="DIL14" value="74LS12N">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".01uF"/>
<element name="C11" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".01uF"/>
<element name="C12" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".01uF"/>
<element name="R27" library="SparkFun-Resistors" package="AXIAL-0.4" value="12k"/>
<element name="R9" library="SparkFun-Resistors" package="AXIAL-0.4" value="180"/>
<element name="R10" library="SparkFun-Resistors" package="AXIAL-0.4" value="330"/>
<element name="C3" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="R11" library="SparkFun-Resistors" package="AXIAL-0.4" value="16k"/>
<element name="R12" library="SparkFun-Resistors" package="AXIAL-0.4" value="3.9k"/>
<element name="R16" library="SparkFun-Resistors" package="AXIAL-0.4" value="16k"/>
<element name="C4" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="C6" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="R21" library="SparkFun-Resistors" package="AXIAL-0.4" value="12k"/>
<element name="R17" library="SparkFun-Resistors" package="AXIAL-0.4" value="12k"/>
<element name="C8" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="R13" library="SparkFun-Resistors" package="AXIAL-0.4" value="8.2k"/>
<element name="R18" library="SparkFun-Resistors" package="AXIAL-0.4" value="8.2k"/>
<element name="C5" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="C7" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="R14" library="SparkFun-Resistors" package="AXIAL-0.4" value="6.34k"/>
<element name="R15" library="SparkFun-Resistors" package="AXIAL-0.4" value="8.2k"/>
<element name="R19" library="SparkFun-Resistors" package="AXIAL-0.4" value="3.83k"/>
<element name="R20" library="SparkFun-Resistors" package="AXIAL-0.4" value="8.2k"/>
<element name="IC2" library="linear" package="DIL14" value="LM324N">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC3" library="linear" package="DIL08" value="LM358N">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R23" library="SparkFun-Resistors" package="AXIAL-0.4" value="5.6k"/>
<element name="R24" library="SparkFun-Resistors" package="AXIAL-0.4" value="22k"/>
<element name="R7" library="SparkFun-Resistors" package="AXIAL-0.4" value="180k"/>
<element name="R8" library="SparkFun-Resistors" package="AXIAL-0.4" value="100k"/>
<element name="R25" library="SparkFun-Resistors" package="AXIAL-0.4" value="430"/>
<element name="C14" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".0047uF"/>
<element name="C9" library="SparkFun-Passives" package="CPOL-RADIAL-10UF-25V" value="4.7uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C13" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value=".01uF"/>
<element name="C2" library="SparkFun-Passives" package="CPOL-RADIAL-10UF-25V" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q2" library="special" package="QS" value=""/>
<element name="C1A" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value="100pF"/>
<element name="C1B" library="SparkFun-Capacitors" package="CAP-PTH-5MM" value="100pF"/>
<element name="TP1" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP2" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP3" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP4" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP5" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP6" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP7" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP8" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP9" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP10" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP12" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP13" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP14" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP15" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP16" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP17" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="TP18" library="testpad" package="TP12R" value="TPTP12R">
<attribute name="TP_SIGNAL_NAME" value=""/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R22" library="SparkFun-Electromechanical" package="ALPS_POT" value="200k"/>
<element name="RN1" library="resistor-sil" package="SIL9" value="47k">
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="MPN" value=""/>
<attribute name="MF" value=""/>
<attribute name="OC_FARNELL" value="unknown"/>
</element>
<element name="U1" library="con-cardedge" package="CARDEDGE-44M" value="CE-44M"/>
<element name="U2" library="con-cardedge" package="CARDEDGE-44F" value="CE-44F"/>
</elements>
<signals>
<signal name="DB7">
<contactref element="SPB640" pad="7"/>
<contactref element="U1" pad="P$5"/>
<contactref element="U2" pad="P$5"/>
</signal>
<signal name="DB8">
<contactref element="SPB640" pad="8"/>
<contactref element="U1" pad="P$7"/>
<contactref element="U2" pad="P$7"/>
</signal>
<signal name="DB9">
<contactref element="SPB640" pad="9"/>
<contactref element="U1" pad="P$11"/>
<contactref element="U2" pad="P$11"/>
</signal>
<signal name="DB10">
<contactref element="SPB640" pad="10"/>
<contactref element="U1" pad="P$15"/>
<contactref element="U2" pad="P$15"/>
</signal>
<signal name="DB11">
<contactref element="SPB640" pad="11"/>
<contactref element="U1" pad="P$19"/>
<contactref element="U2" pad="P$19"/>
</signal>
<signal name="DB12">
<contactref element="SPB640" pad="12"/>
<contactref element="U1" pad="P$23"/>
<contactref element="U2" pad="P$23"/>
</signal>
<signal name="DB13">
<contactref element="SPB640" pad="13"/>
<contactref element="U1" pad="P$25"/>
<contactref element="U2" pad="P$25"/>
</signal>
<signal name="DB14">
<contactref element="SPB640" pad="14"/>
<contactref element="U1" pad="P$29"/>
<contactref element="U2" pad="P$29"/>
</signal>
<signal name="DB15">
<contactref element="SPB640" pad="15"/>
<contactref element="U1" pad="P$35"/>
<contactref element="U2" pad="P$35"/>
</signal>
<signal name="DB5">
<contactref element="SPB640" pad="3"/>
<contactref element="U1" pad="P$13"/>
<contactref element="U2" pad="P$13"/>
</signal>
<signal name="DB4">
<contactref element="SPB640" pad="1"/>
<contactref element="U1" pad="P$17"/>
<contactref element="U2" pad="P$17"/>
</signal>
<signal name="DB3">
<contactref element="SPB640" pad="39"/>
<contactref element="U1" pad="P$21"/>
<contactref element="U2" pad="P$21"/>
</signal>
<signal name="DB2">
<contactref element="SPB640" pad="37"/>
<contactref element="U1" pad="P$27"/>
<contactref element="U2" pad="P$27"/>
</signal>
<signal name="DB1">
<contactref element="SPB640" pad="35"/>
<contactref element="U1" pad="P$31"/>
<contactref element="U2" pad="P$31"/>
</signal>
<signal name="DB0">
<contactref element="SPB640" pad="33"/>
<contactref element="U1" pad="P$33"/>
<contactref element="U2" pad="P$33"/>
</signal>
<signal name="BDIROUT">
<contactref element="U1" pad="P$38"/>
<contactref element="U2" pad="P$38"/>
</signal>
<signal name="BC2OUT">
<contactref element="U1" pad="P$40"/>
<contactref element="U2" pad="P$40"/>
</signal>
<signal name="BC1OUT">
<contactref element="U1" pad="P$42"/>
<contactref element="U2" pad="P$42"/>
</signal>
<signal name="BC1IN">
<contactref element="U1" pad="P$32"/>
<contactref element="U2" pad="P$32"/>
</signal>
<signal name="BC2IN">
<contactref element="U1" pad="P$34"/>
<contactref element="U2" pad="P$34"/>
</signal>
<signal name="BDIRIN">
<contactref element="U1" pad="P$36"/>
<contactref element="U2" pad="P$36"/>
</signal>
<signal name="BC1">
<contactref element="SPB640" pad="23"/>
<contactref element="IC1" pad="10"/>
<contactref element="U1" pad="P$41"/>
<contactref element="U2" pad="P$41"/>
</signal>
<signal name="BC2">
<contactref element="SPB640" pad="22"/>
<contactref element="U1" pad="P$39"/>
<contactref element="U2" pad="P$39"/>
</signal>
<signal name="BDIR">
<contactref element="SPB640" pad="21"/>
<contactref element="IC1" pad="2"/>
<contactref element="U1" pad="P$37"/>
<contactref element="U2" pad="P$37"/>
</signal>
<signal name="RESET">
<contactref element="R25" pad="P$2"/>
<contactref element="U1" pad="P$12"/>
<contactref element="U2" pad="P$12"/>
</signal>
<signal name="EXTVIDEO">
<contactref element="U1" pad="P$8"/>
<contactref element="U2" pad="P$8"/>
</signal>
<signal name="N$30">
<contactref element="SPB640" pad="6"/>
<contactref element="SPO256" pad="10"/>
<contactref element="RN1" pad="9"/>
</signal>
<signal name="N$31">
<contactref element="SPB640" pad="4"/>
<contactref element="SPO256" pad="11"/>
<contactref element="RN1" pad="8"/>
</signal>
<signal name="N$32">
<contactref element="SPB640" pad="2"/>
<contactref element="SPO256" pad="13"/>
<contactref element="RN1" pad="7"/>
</signal>
<signal name="N$33">
<contactref element="SPB640" pad="40"/>
<contactref element="SPO256" pad="14"/>
<contactref element="RN1" pad="6"/>
</signal>
<signal name="N$34">
<contactref element="SPB640" pad="38"/>
<contactref element="SPO256" pad="15"/>
<contactref element="RN1" pad="5"/>
</signal>
<signal name="N$35">
<contactref element="SPB640" pad="36"/>
<contactref element="SPO256" pad="16"/>
<contactref element="RN1" pad="4"/>
</signal>
<signal name="N$36">
<contactref element="SPB640" pad="34"/>
<contactref element="SPO256" pad="17"/>
<contactref element="RN1" pad="3"/>
</signal>
<signal name="N$37">
<contactref element="SPB640" pad="32"/>
<contactref element="SPO256" pad="18"/>
<contactref element="RN1" pad="2"/>
</signal>
<signal name="N$38">
<contactref element="SPB640" pad="17"/>
<contactref element="SPO256" pad="9"/>
<contactref element="TP4" pad="TP"/>
</signal>
<signal name="N$39">
<contactref element="SPB640" pad="20"/>
<contactref element="SPO256" pad="20"/>
<contactref element="TP5" pad="TP"/>
</signal>
<signal name="N$40">
<contactref element="SPB640" pad="28"/>
<contactref element="SPO256" pad="26"/>
<contactref element="U2" pad="P$30"/>
</signal>
<signal name="N$41">
<contactref element="SPB640" pad="25"/>
<contactref element="SPO256" pad="4"/>
<contactref element="U2" pad="P$2"/>
</signal>
<signal name="N$42">
<contactref element="SPB640" pad="26"/>
<contactref element="SPO256" pad="5"/>
<contactref element="U2" pad="P$4"/>
</signal>
<signal name="N$43">
<contactref element="SPB640" pad="27"/>
<contactref element="SPO256" pad="6"/>
<contactref element="U2" pad="P$16"/>
</signal>
<signal name="N$44">
<contactref element="SPO256" pad="12"/>
<contactref element="SPB640" pad="24"/>
<contactref element="U2" pad="P$14"/>
</signal>
<signal name="N$45">
<contactref element="SPB640" pad="16"/>
<contactref element="SPO256" pad="21"/>
<contactref element="U2" pad="P$18"/>
</signal>
<signal name="N$46">
<contactref element="SPO256" pad="3"/>
<contactref element="U2" pad="P$20"/>
</signal>
<signal name="MCLK">
<contactref element="U1" pad="P$10"/>
<contactref element="U2" pad="P$10"/>
</signal>
<signal name="N$55">
<contactref element="SPB640" pad="29"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="N$56">
<contactref element="SPB640" pad="31"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="RMHC">
<contactref element="Q1" pad="3"/>
<contactref element="U1" pad="P$16"/>
</signal>
<signal name="~MSYNC">
<contactref element="SPO256" pad="2"/>
<contactref element="SPO256" pad="25"/>
<contactref element="U1" pad="P$3"/>
<contactref element="U2" pad="P$3"/>
</signal>
<signal name="N$61">
<contactref element="Q1" pad="2"/>
<contactref element="R1" pad="P$2"/>
</signal>
<signal name="N$63">
<contactref element="Q1" pad="1"/>
<contactref element="R3" pad="P$1"/>
</signal>
<signal name="N$58">
<contactref element="R2" pad="P$2"/>
<contactref element="R1" pad="P$1"/>
<contactref element="IC1" pad="8"/>
<contactref element="TP1" pad="TP"/>
</signal>
<signal name="N$60">
<contactref element="R4" pad="P$1"/>
<contactref element="IC1" pad="9"/>
<contactref element="IC1" pad="6"/>
<contactref element="TP2" pad="TP"/>
</signal>
<signal name="N$62">
<contactref element="IC1" pad="12"/>
<contactref element="R5" pad="P$1"/>
<contactref element="IC1" pad="11"/>
<contactref element="TP3" pad="TP"/>
</signal>
<signal name="N$69">
<contactref element="SPO256" pad="22"/>
<contactref element="R27" pad="P$2"/>
</signal>
<signal name="N$67">
<contactref element="SPO256" pad="24"/>
<contactref element="R9" pad="P$1"/>
<contactref element="TP8" pad="TP"/>
</signal>
<signal name="N$70">
<contactref element="R9" pad="P$2"/>
<contactref element="R10" pad="P$2"/>
<contactref element="C3" pad="2"/>
<contactref element="TP13" pad="TP"/>
</signal>
<signal name="N$71">
<contactref element="C3" pad="1"/>
<contactref element="R11" pad="P$1"/>
</signal>
<signal name="N$72">
<contactref element="R11" pad="P$2"/>
<contactref element="R16" pad="P$1"/>
<contactref element="R12" pad="P$2"/>
</signal>
<signal name="N$73">
<contactref element="R12" pad="P$1"/>
<contactref element="C4" pad="2"/>
<contactref element="IC2" pad="12"/>
</signal>
<signal name="N$74">
<contactref element="R16" pad="P$2"/>
<contactref element="R21" pad="P$1"/>
<contactref element="R17" pad="P$2"/>
</signal>
<signal name="N$75">
<contactref element="C6" pad="1"/>
<contactref element="R17" pad="P$1"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="N$76">
<contactref element="C4" pad="1"/>
<contactref element="R13" pad="P$2"/>
<contactref element="IC2" pad="8"/>
</signal>
<signal name="N$77">
<contactref element="C6" pad="2"/>
<contactref element="R18" pad="P$2"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="N$78">
<contactref element="R13" pad="P$1"/>
<contactref element="C5" pad="2"/>
<contactref element="IC2" pad="9"/>
<contactref element="IC2" pad="13"/>
</signal>
<signal name="N$79">
<contactref element="R18" pad="P$1"/>
<contactref element="C7" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="IC2" pad="6"/>
</signal>
<signal name="N$80">
<contactref element="C5" pad="1"/>
<contactref element="R14" pad="P$2"/>
<contactref element="IC2" pad="14"/>
</signal>
<signal name="N$81">
<contactref element="R14" pad="P$1"/>
<contactref element="R15" pad="P$2"/>
<contactref element="IC2" pad="10"/>
</signal>
<signal name="N$82">
<contactref element="C7" pad="1"/>
<contactref element="R19" pad="P$2"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="N$83">
<contactref element="R19" pad="P$1"/>
<contactref element="R20" pad="P$2"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="N$84">
<contactref element="R21" pad="P$2"/>
<contactref element="C8" pad="1"/>
<contactref element="TP14" pad="TP"/>
<contactref element="R22" pad="P$1"/>
</signal>
<signal name="N$93">
<contactref element="IC3" pad="7"/>
<contactref element="R15" pad="P$1"/>
<contactref element="R20" pad="P$1"/>
<contactref element="R23" pad="P$1"/>
<contactref element="IC3" pad="6"/>
<contactref element="C2" pad="1"/>
<contactref element="TP18" pad="TP"/>
<contactref element="R22" pad="P$3"/>
</signal>
<signal name="N$85">
<contactref element="IC3" pad="3"/>
<contactref element="R22" pad="P$2"/>
</signal>
<signal name="N$86">
<contactref element="R7" pad="P$2"/>
<contactref element="IC3" pad="5"/>
<contactref element="R8" pad="P$2"/>
<contactref element="C13" pad="2"/>
<contactref element="TP17" pad="TP"/>
</signal>
<signal name="N$87">
<contactref element="IC3" pad="2"/>
<contactref element="R23" pad="P$2"/>
<contactref element="R24" pad="P$2"/>
<contactref element="C14" pad="1"/>
</signal>
<signal name="N$88">
<contactref element="IC3" pad="1"/>
<contactref element="R24" pad="P$1"/>
<contactref element="C14" pad="2"/>
<contactref element="C9" pad="1"/>
<contactref element="TP15" pad="TP"/>
</signal>
<signal name="N$89">
<contactref element="R25" pad="P$1"/>
<contactref element="C9" pad="2"/>
<contactref element="TP16" pad="TP"/>
</signal>
<signal name="N$92">
<contactref element="C1A" pad="2"/>
<contactref element="Q2" pad="1"/>
<contactref element="SPO256" pad="28"/>
<contactref element="TP9" pad="TP"/>
</signal>
<signal name="N$94">
<contactref element="C1B" pad="2"/>
<contactref element="Q2" pad="2"/>
<contactref element="SPO256" pad="27"/>
<contactref element="TP10" pad="TP"/>
</signal>
<signal name="GND">
<contactref element="SPB640" pad="19"/>
<contactref element="C10" pad="1"/>
<contactref element="C12" pad="1"/>
<contactref element="C11" pad="1"/>
<contactref element="TP6" pad="TP"/>
<contactref element="SPO256" pad="1"/>
<contactref element="R27" pad="P$1"/>
<contactref element="C1A" pad="1"/>
<contactref element="C1B" pad="1"/>
<contactref element="C8" pad="2"/>
<contactref element="IC2" pad="11"/>
<contactref element="R8" pad="P$1"/>
<contactref element="C13" pad="1"/>
<contactref element="C2" pad="2"/>
<contactref element="IC3" pad="4"/>
<contactref element="IC1" pad="7"/>
<contactref element="U1" pad="P$44"/>
<contactref element="U2" pad="P$44"/>
<contactref element="U2" pad="P$1"/>
</signal>
<signal name="VCC">
<contactref element="R2" pad="P$1"/>
<contactref element="SPO256" pad="23"/>
<contactref element="SPO256" pad="7"/>
<contactref element="SPO256" pad="19"/>
<contactref element="R7" pad="P$1"/>
<contactref element="R10" pad="P$1"/>
<contactref element="SPB640" pad="18"/>
<contactref element="RN1" pad="1"/>
<contactref element="IC3" pad="8"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="N$51">
<contactref element="SPO256" pad="8"/>
<contactref element="TP12" pad="TP"/>
</signal>
<signal name="EXTAUD">
<contactref element="U1" pad="P$6"/>
<contactref element="U2" pad="P$6"/>
</signal>
<signal name="VCC5V">
<contactref element="R3" pad="P$2"/>
<contactref element="R4" pad="P$2"/>
<contactref element="R5" pad="P$2"/>
<contactref element="IC1" pad="13"/>
<contactref element="IC1" pad="1"/>
<contactref element="IC1" pad="3"/>
<contactref element="IC1" pad="14"/>
<contactref element="C12" pad="2"/>
<contactref element="C10" pad="2"/>
<contactref element="C11" pad="2"/>
<contactref element="TP7" pad="TP"/>
<contactref element="U1" pad="P$43"/>
<contactref element="U2" pad="P$43"/>
</signal>
<signal name="N$47">
<contactref element="U1" pad="P$22"/>
<contactref element="U2" pad="P$22"/>
<contactref element="U1" pad="P$24"/>
<contactref element="U2" pad="P$24"/>
<contactref element="U1" pad="P$28"/>
<contactref element="U2" pad="P$28"/>
<contactref element="U1" pad="P$26"/>
<contactref element="U2" pad="P$26"/>
<contactref element="U1" pad="P$20"/>
<contactref element="U1" pad="P$18"/>
</signal>
<signal name="N$15">
</signal>
<signal name="N$16">
</signal>
<signal name="N$52">
</signal>
<signal name="N$129">
<contactref element="SPB640" pad="5"/>
<contactref element="U1" pad="P$9"/>
<contactref element="U2" pad="P$9"/>
</signal>
<signal name="N$90">
</signal>
</signals>
</board>
</drawing>
</eagle>
