<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.7.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="160" y2="0" width="0" layer="20"/>
<wire x1="160" y1="0" x2="160" y2="30.15" width="0" layer="20"/>
<wire x1="160" y1="30.15" x2="0" y2="30.15" width="0" layer="20"/>
<wire x1="0" y1="30.15" x2="0" y2="0" width="0" layer="20"/>
<hole x="2.54" y="27.94" drill="3.2"/>
<hole x="2.54" y="2.54" drill="3.2"/>
<hole x="157.48" y="27.94" drill="3.2"/>
<hole x="157.48" y="2.54" drill="3.2"/>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>3B / 7B</text>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>CS</text>
<text>SCK</text>
<text>7</text>
<text>7</text>
<text>6</text>
<text>6</text>
<text>5</text>
<text>4</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>0</text>
<text>5-8</text>
<text>0-3</text>
<text>+</text>
<text>-</text>
<text>DSynth PE-1 Ver 1.0 By Jim Yost</text>
<text>CS</text>
<text>SCK</text>
<text>SI</text>
<text>SO</text>
<text>INT</text>
<text>-</text>
<text>+</text>
<text>SI</text>
<text>SO</text>
<text>INT</text>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>0</text>
<text>1</text>
<text>2</text>
<text>3</text>
<text>4</text>
<text>5</text>
<text>6</text>
<text>7</text>
<text>7</text>
<text>6</text>
<text>5</text>
<text>4</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>0</text>
<text>7</text>
<text>6</text>
<text>5</text>
<text>4</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>0</text>
<text>7</text>
<text>6</text>
<text>5</text>
<text>4</text>
<text>3</text>
<text>2</text>
<text>1</text>
<text>0</text>
<text>2B / 6B</text>
<text>1B / 5B</text>
<text>0B / 4B</text>
<text>0A / 4A</text>
<text>1A / 5A</text>
<text>2A / 6A</text>
<text>3A / 7A</text>
</plain>
<libraries>
<library name="adafruit">
<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>
</packages>
</library>
<library name="microchip">
<description>&lt;b&gt;Microchip PIC Microcontrollers and other Devices&lt;/b&gt;&lt;p&gt;
Based on the following sources :
&lt;ul&gt;
&lt;li&gt;Microchip Data Book, 1993
&lt;li&gt;THE EMERGING WORLD STANDARD, 1995/1996
&lt;li&gt;Microchip, Technical Library CD-ROM, June 1998
&lt;li&gt;www.microchip.com
&lt;/ul&gt;
&lt;author&gt;Created by librarian@cadsoft.de&lt;/author&gt;</description>
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt;&lt;p&gt;
package type P</description>
</package>
</packages>
</library>
<library name="madlab_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="1X08">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X03">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X05">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X04">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="2X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="microchip" package="DIL28-3" value="MCP23S17SP">
<attribute name="MF" value="MICROCHIP"/>
<attribute name="OC_NEWARK" value="31K2951"/>
<attribute name="OC_FARNELL" value="1292238"/>
<attribute name="MPN" value="MCP23S17-E/SP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="microchip" package="DIL28-3" value="MCP23S17SP">
<attribute name="MF" value="MICROCHIP"/>
<attribute name="OC_NEWARK" value="31K2951"/>
<attribute name="OC_FARNELL" value="1292238"/>
<attribute name="MPN" value="MCP23S17-E/SP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC3" library="microchip" package="DIL28-3" value="MCP23S17SP">
<attribute name="MF" value="MICROCHIP"/>
<attribute name="OC_NEWARK" value="31K2951"/>
<attribute name="OC_FARNELL" value="1292238"/>
<attribute name="MPN" value="MCP23S17-E/SP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC4" library="microchip" package="DIL28-3" value="MCP23S17SP">
<attribute name="MF" value="MICROCHIP"/>
<attribute name="OC_NEWARK" value="31K2951"/>
<attribute name="OC_FARNELL" value="1292238"/>
<attribute name="MPN" value="MCP23S17-E/SP"/>
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1A" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1B" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2A" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2B" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J3A" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J3B" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J4A" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J4B" library="madlab_pinhead" package="1X08" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP2" library="madlab_pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SPI2" library="madlab_pinhead" package="1X05" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="SPI1" library="madlab_pinhead" package="1X05" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="adafruit" package="C050-025X075" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="adafruit" package="C050-025X075" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="adafruit" package="C050-025X075" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C1" library="adafruit" package="C050-025X075" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP4" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP5" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP6" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP7" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP8" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP9" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP10" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP11" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP12" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP13" library="madlab_pinhead" package="1X04" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP16" library="madlab_pinhead" package="2X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="JP1" library="madlab_pinhead" package="2X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="1A0">
<contactref element="J1A" pad="1"/>
<contactref element="IC1" pad="21"/>
</signal>
<signal name="1A1">
<contactref element="J1A" pad="2"/>
<contactref element="IC1" pad="22"/>
</signal>
<signal name="1A2">
<contactref element="J1A" pad="3"/>
<contactref element="IC1" pad="23"/>
</signal>
<signal name="1A3">
<contactref element="J1A" pad="4"/>
<contactref element="IC1" pad="24"/>
</signal>
<signal name="1A4">
<contactref element="J1A" pad="5"/>
<contactref element="IC1" pad="25"/>
</signal>
<signal name="1A5">
<contactref element="J1A" pad="6"/>
<contactref element="IC1" pad="26"/>
</signal>
<signal name="1A6">
<contactref element="J1A" pad="7"/>
<contactref element="IC1" pad="27"/>
</signal>
<signal name="1A7">
<contactref element="J1A" pad="8"/>
<contactref element="IC1" pad="28"/>
</signal>
<signal name="2A0">
<contactref element="J2A" pad="1"/>
<contactref element="IC2" pad="21"/>
</signal>
<signal name="2A1">
<contactref element="J2A" pad="2"/>
<contactref element="IC2" pad="22"/>
</signal>
<signal name="2A2">
<contactref element="J2A" pad="3"/>
<contactref element="IC2" pad="23"/>
</signal>
<signal name="2A3">
<contactref element="J2A" pad="4"/>
<contactref element="IC2" pad="24"/>
</signal>
<signal name="2A4">
<contactref element="J2A" pad="5"/>
<contactref element="IC2" pad="25"/>
</signal>
<signal name="2A5">
<contactref element="J2A" pad="6"/>
<contactref element="IC2" pad="26"/>
</signal>
<signal name="2A6">
<contactref element="J2A" pad="7"/>
<contactref element="IC2" pad="27"/>
</signal>
<signal name="2A7">
<contactref element="J2A" pad="8"/>
<contactref element="IC2" pad="28"/>
</signal>
<signal name="3A0">
<contactref element="J3A" pad="1"/>
<contactref element="IC3" pad="21"/>
</signal>
<signal name="3A1">
<contactref element="J3A" pad="2"/>
<contactref element="IC3" pad="22"/>
</signal>
<signal name="3A2">
<contactref element="J3A" pad="3"/>
<contactref element="IC3" pad="23"/>
</signal>
<signal name="3A3">
<contactref element="J3A" pad="4"/>
<contactref element="IC3" pad="24"/>
</signal>
<signal name="3A4">
<contactref element="J3A" pad="5"/>
<contactref element="IC3" pad="25"/>
</signal>
<signal name="3A5">
<contactref element="J3A" pad="6"/>
<contactref element="IC3" pad="26"/>
</signal>
<signal name="3A6">
<contactref element="J3A" pad="7"/>
<contactref element="IC3" pad="27"/>
</signal>
<signal name="3A8]7">
<contactref element="J3A" pad="8"/>
<contactref element="IC3" pad="28"/>
</signal>
<signal name="4A0">
<contactref element="J4A" pad="1"/>
<contactref element="IC4" pad="21"/>
</signal>
<signal name="4A1">
<contactref element="J4A" pad="2"/>
<contactref element="IC4" pad="22"/>
</signal>
<signal name="4A2">
<contactref element="J4A" pad="3"/>
<contactref element="IC4" pad="23"/>
</signal>
<signal name="4A3">
<contactref element="J4A" pad="4"/>
<contactref element="IC4" pad="24"/>
</signal>
<signal name="4A4">
<contactref element="J4A" pad="5"/>
<contactref element="IC4" pad="25"/>
</signal>
<signal name="4A5">
<contactref element="J4A" pad="6"/>
<contactref element="IC4" pad="26"/>
</signal>
<signal name="4A6">
<contactref element="J4A" pad="7"/>
<contactref element="IC4" pad="27"/>
</signal>
<signal name="4A7">
<contactref element="J4A" pad="8"/>
<contactref element="IC4" pad="28"/>
</signal>
<signal name="1B0">
<contactref element="J1B" pad="1"/>
<contactref element="IC1" pad="1"/>
</signal>
<signal name="1B1">
<contactref element="J1B" pad="2"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="1B2">
<contactref element="J1B" pad="3"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="1B3">
<contactref element="J1B" pad="4"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="1B4">
<contactref element="J1B" pad="5"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="1B5">
<contactref element="J1B" pad="6"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="1B6">
<contactref element="J1B" pad="7"/>
<contactref element="IC1" pad="7"/>
</signal>
<signal name="1B7">
<contactref element="J1B" pad="8"/>
<contactref element="IC1" pad="8"/>
</signal>
<signal name="2B0">
<contactref element="J2B" pad="1"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="2B1">
<contactref element="J2B" pad="2"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="2B2">
<contactref element="J2B" pad="3"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="2B3">
<contactref element="J2B" pad="4"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="2B4">
<contactref element="J2B" pad="5"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="2B5">
<contactref element="J2B" pad="6"/>
<contactref element="IC2" pad="6"/>
</signal>
<signal name="2B6">
<contactref element="J2B" pad="7"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="2B7">
<contactref element="J2B" pad="8"/>
<contactref element="IC2" pad="8"/>
</signal>
<signal name="4B0">
<contactref element="J4B" pad="1"/>
<contactref element="IC4" pad="1"/>
</signal>
<signal name="4B1">
<contactref element="J4B" pad="2"/>
<contactref element="IC4" pad="2"/>
</signal>
<signal name="4B2">
<contactref element="J4B" pad="3"/>
<contactref element="IC4" pad="3"/>
</signal>
<signal name="4B3">
<contactref element="J4B" pad="4"/>
<contactref element="IC4" pad="4"/>
</signal>
<signal name="4B4">
<contactref element="J4B" pad="5"/>
<contactref element="IC4" pad="5"/>
</signal>
<signal name="4B5">
<contactref element="J4B" pad="6"/>
<contactref element="IC4" pad="6"/>
</signal>
<signal name="4B6">
<contactref element="J4B" pad="7"/>
<contactref element="IC4" pad="7"/>
</signal>
<signal name="4B7">
<contactref element="J4B" pad="8"/>
<contactref element="IC4" pad="8"/>
</signal>
<signal name="3B0">
<contactref element="J3B" pad="1"/>
<contactref element="IC3" pad="1"/>
</signal>
<signal name="3B1">
<contactref element="J3B" pad="2"/>
<contactref element="IC3" pad="2"/>
</signal>
<signal name="3B2">
<contactref element="J3B" pad="3"/>
<contactref element="IC3" pad="3"/>
</signal>
<signal name="3B3">
<contactref element="J3B" pad="4"/>
<contactref element="IC3" pad="4"/>
</signal>
<signal name="3B4">
<contactref element="J3B" pad="5"/>
<contactref element="IC3" pad="5"/>
</signal>
<signal name="3B5">
<contactref element="J3B" pad="6"/>
<contactref element="IC3" pad="6"/>
</signal>
<signal name="3B6">
<contactref element="J3B" pad="7"/>
<contactref element="IC3" pad="7"/>
</signal>
<signal name="3B7">
<contactref element="J3B" pad="8"/>
<contactref element="IC3" pad="8"/>
</signal>
<signal name="+3V3">
<contactref element="IC2" pad="15"/>
<contactref element="IC3" pad="16"/>
<contactref element="IC4" pad="15"/>
<contactref element="IC4" pad="16"/>
<contactref element="JP2" pad="3"/>
<contactref element="IC2" pad="9"/>
<contactref element="IC2" pad="18"/>
<contactref element="IC1" pad="9"/>
<contactref element="IC1" pad="18"/>
<contactref element="IC3" pad="9"/>
<contactref element="IC3" pad="18"/>
<contactref element="IC4" pad="9"/>
<contactref element="IC4" pad="18"/>
<contactref element="C4" pad="1"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="JP16" pad="1"/>
<contactref element="JP16" pad="2"/>
<contactref element="JP1" pad="1"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="INT">
<contactref element="IC1" pad="20"/>
<contactref element="IC1" pad="19"/>
<contactref element="IC4" pad="20"/>
<contactref element="IC4" pad="19"/>
<contactref element="IC3" pad="20"/>
<contactref element="IC3" pad="19"/>
<contactref element="IC2" pad="20"/>
<contactref element="IC2" pad="19"/>
<contactref element="SPI2" pad="5"/>
<contactref element="SPI1" pad="5"/>
</signal>
<signal name="SCK">
<contactref element="IC1" pad="12"/>
<contactref element="IC4" pad="12"/>
<contactref element="IC2" pad="12"/>
<contactref element="IC3" pad="12"/>
<contactref element="SPI2" pad="2"/>
<contactref element="SPI1" pad="2"/>
</signal>
<signal name="SI">
<contactref element="IC1" pad="13"/>
<contactref element="IC4" pad="13"/>
<contactref element="IC2" pad="13"/>
<contactref element="IC3" pad="13"/>
<contactref element="SPI2" pad="3"/>
<contactref element="SPI1" pad="3"/>
</signal>
<signal name="BANK">
<contactref element="IC2" pad="17"/>
<contactref element="IC3" pad="17"/>
<contactref element="IC1" pad="17"/>
<contactref element="JP2" pad="2"/>
<contactref element="IC4" pad="17"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="15"/>
<contactref element="IC1" pad="16"/>
<contactref element="IC2" pad="16"/>
<contactref element="IC4" pad="10"/>
<contactref element="IC3" pad="10"/>
<contactref element="IC2" pad="10"/>
<contactref element="IC1" pad="10"/>
<contactref element="IC3" pad="15"/>
<contactref element="JP2" pad="1"/>
<contactref element="C4" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="C2" pad="2"/>
<contactref element="C1" pad="2"/>
<contactref element="JP8" pad="1"/>
<contactref element="JP8" pad="2"/>
<contactref element="JP8" pad="3"/>
<contactref element="JP4" pad="4"/>
<contactref element="JP5" pad="4"/>
<contactref element="JP6" pad="4"/>
<contactref element="JP7" pad="4"/>
<contactref element="JP8" pad="4"/>
<contactref element="JP4" pad="3"/>
<contactref element="JP4" pad="2"/>
<contactref element="JP4" pad="1"/>
<contactref element="JP5" pad="3"/>
<contactref element="JP5" pad="2"/>
<contactref element="JP5" pad="1"/>
<contactref element="JP7" pad="3"/>
<contactref element="JP7" pad="2"/>
<contactref element="JP7" pad="1"/>
<contactref element="JP10" pad="1"/>
<contactref element="JP10" pad="2"/>
<contactref element="JP10" pad="3"/>
<contactref element="JP10" pad="4"/>
<contactref element="JP9" pad="1"/>
<contactref element="JP9" pad="2"/>
<contactref element="JP9" pad="3"/>
<contactref element="JP9" pad="4"/>
<contactref element="JP6" pad="3"/>
<contactref element="JP6" pad="2"/>
<contactref element="JP6" pad="1"/>
<contactref element="JP11" pad="4"/>
<contactref element="JP12" pad="4"/>
<contactref element="JP11" pad="3"/>
<contactref element="JP11" pad="2"/>
<contactref element="JP11" pad="1"/>
<contactref element="JP12" pad="3"/>
<contactref element="JP12" pad="2"/>
<contactref element="JP12" pad="1"/>
<contactref element="JP13" pad="4"/>
<contactref element="JP13" pad="3"/>
<contactref element="JP13" pad="2"/>
<contactref element="JP13" pad="1"/>
<contactref element="JP16" pad="3"/>
<contactref element="JP16" pad="4"/>
<contactref element="JP1" pad="3"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="SO">
<contactref element="IC1" pad="14"/>
<contactref element="IC4" pad="14"/>
<contactref element="IC2" pad="14"/>
<contactref element="IC3" pad="14"/>
<contactref element="SPI2" pad="4"/>
<contactref element="SPI1" pad="4"/>
</signal>
<signal name="CS">
<contactref element="IC1" pad="11"/>
<contactref element="IC4" pad="11"/>
<contactref element="IC2" pad="11"/>
<contactref element="IC3" pad="11"/>
<contactref element="SPI2" pad="1"/>
<contactref element="SPI1" pad="1"/>
</signal>
<signal name="N$1">
</signal>
<signal name="N$2">
</signal>
<signal name="N$3">
</signal>
<signal name="N$4">
</signal>
<signal name="N$5">
</signal>
<signal name="N$6">
</signal>
<signal name="N$7">
</signal>
<signal name="N$8">
</signal>
<signal name="N$9">
</signal>
<signal name="N$10">
</signal>
<signal name="N$11">
</signal>
</signals>
</board>
</drawing>
</eagle>
