<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.1.3">
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<library>
<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>
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<text x="0" y="0" size="1.27" layer="25" align="center">&gt;NAME</text>
<text x="0" y="0" size="1.27" layer="27" align="center">&gt;VALUE</text>
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<symbol name="ATMEGA16U4-AU">
<wire x1="5.08" y1="22.86" x2="76.2" y2="22.86" width="0.254" layer="94"/>
<wire x1="76.2" y1="-66.04" x2="76.2" y2="22.86" width="0.254" layer="94"/>
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<text x="77.47" y="27.94" size="1.778" layer="95" align="center-left">&gt;NAME</text>
<text x="77.47" y="25.4" size="1.778" layer="96" align="center-left">&gt;VALUE</text>
<pin name="[INT.6/AIN0]_PE6" x="0" y="0" length="middle" direction="in"/>
<pin name="UVCC" x="0" y="-2.54" length="middle" direction="pwr"/>
<pin name="D-" x="0" y="-5.08" length="middle"/>
<pin name="D+" x="0" y="-7.62" length="middle"/>
<pin name="UGND" x="0" y="-10.16" length="middle" direction="pwr"/>
<pin name="UCAP" x="0" y="-12.7" length="middle"/>
<pin name="VBUS" x="0" y="-15.24" length="middle"/>
<pin name="[SS/PCINT0]_PB0" x="0" y="-17.78" length="middle" direction="in"/>
<pin name="[PCINT1/SCLK]_PB1" x="0" y="-20.32" length="middle" direction="in"/>
<pin name="[PDI/PCINT2/MOSI]_PB2" x="0" y="-22.86" length="middle" direction="in"/>
<pin name="[PDO/PCINT3/MISO]_PB3" x="0" y="-25.4" length="middle" direction="in"/>
<pin name="[PCINT7/OC0A/OC1C/!RTS]_PB7" x="27.94" y="-71.12" length="middle" direction="in" rot="R90"/>
<pin name="!RESET" x="30.48" y="-71.12" length="middle" rot="R90"/>
<pin name="VCC" x="33.02" y="-71.12" length="middle" direction="pwr" rot="R90"/>
<pin name="GND" x="35.56" y="-71.12" length="middle" direction="pwr" rot="R90"/>
<pin name="XTAL2" x="38.1" y="-71.12" length="middle" rot="R90"/>
<pin name="XTAL1" x="40.64" y="-71.12" length="middle" rot="R90"/>
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<pin name="[SDA/INT1]_PD1" x="45.72" y="-71.12" length="middle" direction="in" rot="R90"/>
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<pin name="[TXD1/INT3]_PD3" x="50.8" y="-71.12" length="middle" direction="in" rot="R90"/>
<pin name="[XCK1/!CTS]_PD5" x="53.34" y="-71.12" length="middle" rot="R90"/>
<pin name="PE2_[!HWB]" x="81.28" y="0" length="middle" rot="R180"/>
<pin name="PC7_[ICP3/CLK0/OC4A]" x="81.28" y="-2.54" length="middle" direction="in" rot="R180"/>
<pin name="PC6_[OC3A/!OC4A]" x="81.28" y="-5.08" length="middle" rot="R180"/>
<pin name="PB6_[PCINT6/OC1B/OC4B/ADC13]" x="81.28" y="-7.62" length="middle" direction="in" rot="R180"/>
<pin name="PB5_[PCINT5/OC1A/!OC4B!/ADC12]" x="81.28" y="-10.16" length="middle" direction="in" rot="R180"/>
<pin name="PB4_[PCINT4/ADC11]" x="81.28" y="-12.7" length="middle" direction="in" rot="R180"/>
<pin name="PD7_[T0/OC4D/ADC10]" x="81.28" y="-15.24" length="middle" rot="R180"/>
<pin name="PD6_[T1/!OC4D!/ADC9]" x="81.28" y="-17.78" length="middle" rot="R180"/>
<pin name="PD4_[ICP1/ADC8]" x="81.28" y="-20.32" length="middle" rot="R180"/>
<pin name="AVCC" x="81.28" y="-22.86" length="middle" direction="pwr" rot="R180"/>
<pin name="GND_1" x="81.28" y="-25.4" length="middle" direction="pwr" rot="R180"/>
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<pin name="GND_3" x="30.48" y="27.94" length="middle" direction="pwr" rot="R270"/>
<pin name="AREF" x="33.02" y="27.94" length="middle" direction="in" rot="R270"/>
<pin name="PF0_[ADC0]" x="35.56" y="27.94" length="middle" rot="R270"/>
<pin name="PF1_[ADC1]" x="38.1" y="27.94" length="middle" rot="R270"/>
<pin name="PF4_[ADC4/TCK]" x="40.64" y="27.94" length="middle" rot="R270"/>
<pin name="PF5_[ADC5/TMS]" x="43.18" y="27.94" length="middle" rot="R270"/>
<pin name="PF6_[ADC6/TDO]" x="45.72" y="27.94" length="middle" rot="R270"/>
<pin name="PF7_[ADC7/TDI]" x="48.26" y="27.94" length="middle" rot="R270"/>
<pin name="GND_2" x="50.8" y="27.94" length="middle" direction="pwr" rot="R270"/>
<pin name="VCC_1" x="53.34" y="27.94" length="middle" direction="pwr" rot="R270"/>
</symbol>
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<devicesets>
<deviceset name="ATMEGA16U4-AU" prefix="IC">
<description>&lt;b&gt;8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM&lt;/b&gt;&lt;p&gt;
Source: &lt;a href="http://www.atmel.com/images/atmel-7766-8-bit-avr-atmega16u4-32u4_summary.pdf"&gt; Datasheet &lt;/a&gt;</description>
<gates>
<gate name="G$1" symbol="ATMEGA16U4-AU" x="0" y="0"/>
</gates>
<devices>
<device name="" package="QFP80P1200X1200X120-44N">
<connects>
<connect gate="G$1" pin="!RESET" pad="13"/>
<connect gate="G$1" pin="AREF" pad="42"/>
<connect gate="G$1" pin="AVCC" pad="24"/>
<connect gate="G$1" pin="AVCC_1" pad="44"/>
<connect gate="G$1" pin="D+" pad="4"/>
<connect gate="G$1" pin="D-" pad="3"/>
<connect gate="G$1" pin="GND" pad="15"/>
<connect gate="G$1" pin="GND_1" pad="23"/>
<connect gate="G$1" pin="GND_2" pad="35"/>
<connect gate="G$1" pin="GND_3" pad="43"/>
<connect gate="G$1" pin="PB4_[PCINT4/ADC11]" pad="28"/>
<connect gate="G$1" pin="PB5_[PCINT5/OC1A/!OC4B!/ADC12]" pad="29"/>
<connect gate="G$1" pin="PB6_[PCINT6/OC1B/OC4B/ADC13]" pad="30"/>
<connect gate="G$1" pin="PC6_[OC3A/!OC4A]" pad="31"/>
<connect gate="G$1" pin="PC7_[ICP3/CLK0/OC4A]" pad="32"/>
<connect gate="G$1" pin="PD4_[ICP1/ADC8]" pad="25"/>
<connect gate="G$1" pin="PD6_[T1/!OC4D!/ADC9]" pad="26"/>
<connect gate="G$1" pin="PD7_[T0/OC4D/ADC10]" pad="27"/>
<connect gate="G$1" pin="PE2_[!HWB]" pad="33"/>
<connect gate="G$1" pin="PF0_[ADC0]" pad="41"/>
<connect gate="G$1" pin="PF1_[ADC1]" pad="40"/>
<connect gate="G$1" pin="PF4_[ADC4/TCK]" pad="39"/>
<connect gate="G$1" pin="PF5_[ADC5/TMS]" pad="38"/>
<connect gate="G$1" pin="PF6_[ADC6/TDO]" pad="37"/>
<connect gate="G$1" pin="PF7_[ADC7/TDI]" pad="36"/>
<connect gate="G$1" pin="UCAP" pad="6"/>
<connect gate="G$1" pin="UGND" pad="5"/>
<connect gate="G$1" pin="UVCC" pad="2"/>
<connect gate="G$1" pin="VBUS" pad="7"/>
<connect gate="G$1" pin="VCC" pad="14"/>
<connect gate="G$1" pin="VCC_1" pad="34"/>
<connect gate="G$1" pin="XTAL1" pad="17"/>
<connect gate="G$1" pin="XTAL2" pad="16"/>
<connect gate="G$1" pin="[INT.6/AIN0]_PE6" pad="1"/>
<connect gate="G$1" pin="[OC0B/SCL/INT0]_PD0" pad="18"/>
<connect gate="G$1" pin="[PCINT1/SCLK]_PB1" pad="9"/>
<connect gate="G$1" pin="[PCINT7/OC0A/OC1C/!RTS]_PB7" pad="12"/>
<connect gate="G$1" pin="[PDI/PCINT2/MOSI]_PB2" pad="10"/>
<connect gate="G$1" pin="[PDO/PCINT3/MISO]_PB3" pad="11"/>
<connect gate="G$1" pin="[RXD1/INT2]_PD2" pad="20"/>
<connect gate="G$1" pin="[SDA/INT1]_PD1" pad="19"/>
<connect gate="G$1" pin="[SS/PCINT0]_PB0" pad="8"/>
<connect gate="G$1" pin="[TXD1/INT3]_PD3" pad="21"/>
<connect gate="G$1" pin="[XCK1/!CTS]_PD5" pad="22"/>
</connects>
<technologies>
<technology name="">
<attribute name="DESCRIPTION" value="8-bit Microcontrollers - MCU 16K Flsh, 1K EEPROM 2.5K SRAM" constant="no"/>
<attribute name="HEIGHT" value="1.2mm" constant="no"/>
<attribute name="MANUFACTURER_NAME" value="Microchip" constant="no"/>
<attribute name="MANUFACTURER_PART_NUMBER" value="ATMEGA16U4-AU" constant="no"/>
<attribute name="MOUSER_PART_NUMBER" value="556-ATMEGA16U4-AU" constant="no"/>
<attribute name="MOUSER_PRICE-STOCK" value="https://www.mouser.com/Search/Refine.aspx?Keyword=556-ATMEGA16U4-AU" constant="no"/>
<attribute name="RS_PART_NUMBER" value="1773649" constant="no"/>
<attribute name="RS_PRICE-STOCK" value="http://uk.rs-online.com/web/p/products/1773649" constant="no"/>
</technology>
</technologies>
</device>
</devices>
</deviceset>
</devicesets>
</library>
</drawing>
</eagle>
