<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.1.3">
<drawing>
<board>
<plain>
<text>shawn</text>
<wire x1="27.94" y1="27.94" x2="82.55" y2="27.94" width="0" layer="20"/>
<wire x1="82.55" y1="27.94" x2="82.55" y2="72.39" width="0" layer="20"/>
<wire x1="82.55" y1="72.39" x2="27.94" y2="72.39" width="0" layer="20"/>
<wire x1="27.94" y1="72.39" x2="27.94" y2="27.94" width="0" layer="20"/>
</plain>
<libraries>
<library name="ATMEGA16U4-AU">
<description>&lt;8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="QFP80P1200X1200X120-44N">
<description>&lt;b&gt;TQFP 44A&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
<library name="fab">
<packages>
<package name="DX4R005HJ5_CUSTOMIZED">
</package>
<package name="R1206FAB">
</package>
<package name="C1206FAB">
</package>
<package name="2X03SMD">
</package>
<package name="2X02SMD">
</package>
</packages>
</library>
<library name="ABLS-16.000MHZ-B2-T">
<description>&lt;ABRACON - ABLS-16.000MHZ-B2-T. - CRYSTAL, 16MHZ, 18PF, HC-49US&lt;/b&gt;&lt;p&gt;
&lt;author&gt;Created by SamacSys&lt;/author&gt;</description>
<packages>
<package name="ABLS">
<description>&lt;b&gt;ABLS&lt;/b&gt;&lt;br&gt;
</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="ATMEGA16U4-AU" package="QFP80P1200X1200X120-44N" value="ATMEGA16U4-AU">
<attribute name="DESCRIPTION" value="8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM"/>
<attribute name="HEIGHT" value="1.2mm"/>
<attribute name="MANUFACTURER_NAME" value="Microchip"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="ATMEGA16U4-AU"/>
<attribute name="MOUSER_PART_NUMBER" value="556-ATMEGA16U4-AU"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=556-ATMEGA16U4-AU"/>
<attribute name="RS_PART_NUMBER" value="1773649"/>
<attribute name="RS_PRICE-STOCK" value="http://uk.rs-online.com/web/p/products/1773649"/>
</element>
<element name="U$1" library="fab" package="DX4R005HJ5_CUSTOMIZED" value="MICRO-USB"/>
<element name="R1" library="fab" package="R1206FAB" value="10k"/>
<element name="R2" library="fab" package="R1206FAB" value="22"/>
<element name="R3" library="fab" package="R1206FAB" value="22"/>
<element name="C1" library="fab" package="C1206FAB" value="0.1uF"/>
<element name="C2" library="fab" package="C1206FAB" value="22pF"/>
<element name="C3" library="fab" package="C1206FAB" value="22pF"/>
<element name="C4" library="fab" package="C1206FAB" value="1uF"/>
<element name="Y1" library="ABLS-16.000MHZ-B2-T" package="ABLS" value="ABLS-16.000MHZ-B2-T">
<attribute name="DESCRIPTION" value="ABRACON - ABLS-16.000MHZ-B2-T. - CRYSTAL, 16MHZ, 18PF, HC-49US"/>
<attribute name="HEIGHT" value="mm"/>
<attribute name="MANUFACTURER_NAME" value="ABRACON"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="ABLS-16.000MHZ-B2-T"/>
<attribute name="MOUSER_PART_NUMBER" value="815-ABLS-16-B2"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=815-ABLS-16-B2"/>
<attribute name="RS_PART_NUMBER" value="1710545"/>
<attribute name="RS_PRICE-STOCK" value="http://uk.rs-online.com/web/p/products/1710545"/>
</element>
<element name="U$2" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="R4" library="fab" package="R1206FAB" value="0"/>
<element name="U$3" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="U$4" library="fab" package="2X02SMD" value="PINHD-2X2-SMD"/>
<element name="JP1" library="fab" package="2X03SMD" value=""/>
</elements>
<signals>
<signal name="VCC">
<contactref element="IC1" pad="14"/>
<contactref element="IC1" pad="2"/>
<contactref element="IC1" pad="24"/>
<contactref element="IC1" pad="44"/>
<contactref element="IC1" pad="34"/>
<contactref element="U$1" pad="VBUS"/>
<contactref element="C1" pad="2"/>
<contactref element="IC1" pad="42"/>
<contactref element="IC1" pad="7"/>
<contactref element="R1" pad="1"/>
<contactref element="U$2" pad="2"/>
<contactref element="R4" pad="2"/>
<contactref element="R4" pad="1"/>
<contactref element="U$3" pad="1"/>
<contactref element="U$4" pad="1"/>
<contactref element="JP1" pad="3"/>
<contactref element="JP1" pad="4"/>
</signal>
<signal name="GND">
<contactref element="IC1" pad="15"/>
<contactref element="C4" pad="2"/>
<contactref element="IC1" pad="23"/>
<contactref element="IC1" pad="35"/>
<contactref element="IC1" pad="43"/>
<contactref element="U$1" pad="GND"/>
<contactref element="C3" pad="1"/>
<contactref element="C2" pad="1"/>
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="5"/>
<contactref element="U$2" pad="6"/>
<contactref element="U$3" pad="2"/>
<contactref element="U$4" pad="2"/>
<contactref element="JP1" pad="6"/>
<contactref element="JP1" pad="5"/>
</signal>
<signal name="N$1">
<contactref element="IC1" pad="6"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="N$2">
<contactref element="U$1" pad="D-"/>
<contactref element="R2" pad="1"/>
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<signal name="N$3">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$4">
<contactref element="U$1" pad="D+"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="R3" pad="2"/>
<contactref element="IC1" pad="4"/>
</signal>
<signal name="N$7">
<contactref element="IC1" pad="16"/>
<contactref element="Y1" pad="2"/>
<contactref element="C3" pad="2"/>
</signal>
<signal name="N$8">
<contactref element="C2" pad="2"/>
<contactref element="Y1" pad="1"/>
<contactref element="IC1" pad="17"/>
</signal>
<signal name="MOSI">
<contactref element="U$2" pad="4"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="MISO">
<contactref element="U$2" pad="1"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="SCK">
<contactref element="U$2" pad="3"/>
<contactref element="IC1" pad="9"/>
</signal>
<signal name="RST">
<contactref element="U$2" pad="5"/>
<contactref element="IC1" pad="13"/>
<contactref element="R1" pad="2"/>
</signal>
<signal name="PF0">
<contactref element="IC1" pad="41"/>
<contactref element="U$3" pad="3"/>
</signal>
<signal name="PF1">
<contactref element="IC1" pad="40"/>
<contactref element="U$4" pad="3"/>
</signal>
<signal name="PF4">
<contactref element="IC1" pad="39"/>
<contactref element="U$4" pad="4"/>
</signal>
<signal name="PF5">
<contactref element="IC1" pad="38"/>
<contactref element="U$3" pad="4"/>
</signal>
<signal name="OC1B">
<contactref element="IC1" pad="30"/>
<contactref element="JP1" pad="2"/>
</signal>
<signal name="OC1A">
<contactref element="IC1" pad="29"/>
<contactref element="JP1" pad="1"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
