<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="45.39" y2="0" width="0" layer="20"/>
<wire x1="45.39" y1="0" x2="45.39" y2="40.63" width="0" layer="20"/>
<wire x1="45.39" y1="40.63" x2="0" y2="40.63" width="0" layer="20"/>
<wire x1="0" y1="40.63" x2="0" y2="0" width="0" layer="20"/>
<polygon width="0.3048" layer="46">
<vertex x="3.81" y="5.08"/>
<vertex x="3.81" y="11.43"/>
<vertex x="6.35" y="13.97"/>
<vertex x="6.35" y="24.13"/>
<vertex x="20.32" y="38.1"/>
<vertex x="26.67" y="38.1"/>
<vertex x="31.75" y="33.02"/>
<vertex x="39.37" y="33.02"/>
<vertex x="43.18" y="29.21"/>
<vertex x="43.18" y="19.05"/>
<vertex x="26.67" y="2.54"/>
<vertex x="6.35" y="2.54"/>
</polygon>
</plain>
<libraries>
<library name="fab">
<packages>
<package name="C1206FAB">
</package>
<package name="SOIC14">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt;</description>
</package>
<package name="SOT23">
<description>&lt;b&gt;SOT 23&lt;/b&gt;</description>
</package>
<package name="R1206FAB">
</package>
<package name="MIC_BOTTOM_PORT">
<description>Knowles SPH0645LM4H-B

I2S Output Digital Microphone, 18-bit precision</description>
</package>
<package name="EFOBM">
</package>
<package name="1X06SMD">
</package>
<package name="2X03SMD">
</package>
<package name="LED1206FAB">
<description>LED1206 FAB style (smaller pads to allow trace between)</description>
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="0.1UF" library="fab" package="C1206FAB" value="CAP-UNPOLARIZEDFAB"/>
<element name="C2" library="fab" package="C1206FAB" value="CAP-UNPOLARIZEDFAB"/>
<element name="C3" library="fab" package="C1206FAB" value="CAP-UNPOLARIZEDFAB"/>
<element name="IC1" library="fab" package="SOIC14" value="ATTINY44-SSU"/>
<element name="IC2" library="fab" package="SOT23" value=""/>
<element name="R1" library="fab" package="R1206FAB" value="100k"/>
<element name="R2" library="fab" package="R1206FAB" value=""/>
<element name="R3" library="fab" package="R1206FAB" value=""/>
<element name="U$1" library="fab" package="MIC_BOTTOM_PORT" value="MEMS_MIC_SPH0645LM4H-BI2S"/>
<element name="U$2" library="fab" package="EFOBM" value="RESONATOR"/>
<element name="U$3" library="fab" package="1X06SMD" value="FTDI-SMD-HEADER"/>
<element name="U$4" library="fab" package="2X03SMD" value="AVRISPSMD"/>
<element name="U$5" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="U$6" library="fab" package="LED1206FAB" value="LEDFAB1206"/>
<element name="R4" library="fab" package="R1206FAB" value="0"/>
<element name="R6" library="fab" package="R1206FAB" value="0"/>
<element name="R7" library="fab" package="R1206FAB" value="0"/>
<element name="R5" library="fab" package="R1206FAB" value="0"/>
</elements>
<signals>
<signal name="VCC">
<contactref element="U$1" pad="5"/>
<contactref element="0.1UF" pad="2"/>
<contactref element="U$1" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="U$4" pad="2"/>
<contactref element="C3" pad="2"/>
<contactref element="IC2" pad="1"/>
<contactref element="IC1" pad="5"/>
</signal>
<signal name="GND">
<contactref element="U$1" pad="3"/>
<contactref element="0.1UF" pad="1"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="14"/>
<contactref element="U$2" pad="2"/>
<contactref element="U$3" pad="1"/>
<contactref element="U$4" pad="6"/>
<contactref element="U$5" pad="2"/>
<contactref element="U$6" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="R7" pad="1"/>
<contactref element="U$1" pad="P$1"/>
</signal>
<signal name="BCLK">
<contactref element="U$1" pad="4"/>
<contactref element="IC1" pad="9"/>
<contactref element="U$4" pad="3"/>
</signal>
<signal name="DATA">
<contactref element="U$1" pad="6"/>
<contactref element="R1" pad="2"/>
<contactref element="IC1" pad="7"/>
<contactref element="R4" pad="2"/>
</signal>
<signal name="WS">
<contactref element="U$1" pad="1"/>
<contactref element="IC1" pad="6"/>
</signal>
<signal name="N$6">
<contactref element="U$2" pad="1"/>
<contactref element="IC1" pad="2"/>
</signal>
<signal name="N$7">
<contactref element="U$2" pad="3"/>
<contactref element="IC1" pad="3"/>
</signal>
<signal name="N$8">
<contactref element="U$3" pad="5"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="RESET">
<contactref element="U$4" pad="5"/>
<contactref element="R5" pad="1"/>
</signal>
<signal name="+5V">
<contactref element="C2" pad="2"/>
<contactref element="IC2" pad="2"/>
<contactref element="U$3" pad="3"/>
</signal>
<signal name="MISO">
<contactref element="IC1" pad="8"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="N$4">
<contactref element="U$6" pad="1"/>
<contactref element="R2" pad="1"/>
</signal>
<signal name="N$5">
<contactref element="U$5" pad="1"/>
<contactref element="R3" pad="1"/>
</signal>
<signal name="N$11">
<contactref element="R2" pad="2"/>
<contactref element="IC1" pad="13"/>
</signal>
<signal name="N$12">
<contactref element="R3" pad="2"/>
<contactref element="IC1" pad="10"/>
</signal>
<signal name="N$1">
<contactref element="IC1" pad="12"/>
<contactref element="U$3" pad="4"/>
</signal>
<signal name="N$2">
<contactref element="U$4" pad="4"/>
<contactref element="R4" pad="1"/>
</signal>
<signal name="N$9">
<contactref element="U$4" pad="1"/>
<contactref element="R6" pad="1"/>
</signal>
<signal name="N$10">
<contactref element="IC2" pad="3"/>
<contactref element="R7" pad="2"/>
<contactref element="C3" pad="1"/>
</signal>
<signal name="RST">
<contactref element="R5" pad="2"/>
<contactref element="IC1" pad="4"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
