<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
  <drawing>
    <settings><setting alwaysvectorfont="no"/><setting verticaltext="up"/></settings>
    <grid distance="0.1" unitdist="mm" unit="mm" style="lines" multiple="1" display="yes" altdistance="0.05" altunitdist="mm" altunit="mm"/>
    <layers>
      <layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="16" name="Bottom" color="1" fill="1" visible="yes" active="yes"/>
      <layer number="17" name="Pads" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="18" name="Vias" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="21" name="tPlace" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="25" name="tNames" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="27" name="tValues" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="29" name="tStop" color="7" fill="3" visible="no" active="yes"/>
      <layer number="31" name="tCream" color="7" fill="4" visible="no" active="yes"/>
      <layer number="39" name="tKeepout" color="4" fill="11" visible="yes" active="yes"/>
      <layer number="41" name="tRestrict" color="4" fill="10" visible="yes" active="yes"/>
      <layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="94" name="Symbols" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="95" name="Names" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="96" name="Values" color="7" fill="1" visible="yes" active="yes"/>
    </layers>
    <library>
      <packages>
        <package name="C20606919_QFN-20_3x3">
          <description>CH591D — Clean-Room IPC-7351B / JEDEC MO-220 (QFN-20)</description>
          <smd name="1" x="-1.45" y="1.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="2" x="-1.45" y="0.5" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="3" x="-1.45" y="0.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="4" x="-1.45" y="-0.5" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="5" x="-1.45" y="-1.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="6" x="-1.0" y="-1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="7" x="-0.5" y="-1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="8" x="0.0" y="-1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="9" x="0.5" y="-1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="10" x="1.0" y="-1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="11" x="1.45" y="-1.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="12" x="1.45" y="-0.5" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="13" x="1.45" y="0.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="14" x="1.45" y="0.5" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="15" x="1.45" y="1.0" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="16" x="1.0" y="1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="17" x="0.5" y="1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="18" x="0.0" y="1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="19" x="-0.5" y="1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="20" x="-1.0" y="1.45" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="21" x="0.0" y="0.0" dx="1.92" dy="1.92" layer="1" roundness="25"/>
          <circle x="-2.3" y="1.0" radius="0.18" width="0" layer="21"/>
          <wire x1="-2.1" y1="-2.1" x2="2.1" y2="-2.1" width="0.05" layer="39"/>
          <wire x1="2.1" y1="-2.1" x2="2.1" y2="2.1" width="0.05" layer="39"/>
          <wire x1="2.1" y1="2.1" x2="-2.1" y2="2.1" width="0.05" layer="39"/>
          <wire x1="-2.1" y1="2.1" x2="-2.1" y2="-2.1" width="0.05" layer="39"/>
          <text x="-2.1" y="2.7" size="1.0" layer="25">&gt;NAME</text>
          <text x="-2.1" y="-3.7" size="1.0" layer="27">&gt;VALUE</text>
        </package>
      </packages>
      <symbols>
        <symbol name="CH591D_SYM">
          <wire x1="-15.24" y1="-15.24" x2="15.24" y2="-15.24" width="0.254" layer="94"/>
          <wire x1="15.24" y1="-15.24" x2="15.24" y2="15.24" width="0.254" layer="94"/>
          <wire x1="15.24" y1="15.24" x2="-15.24" y2="15.24" width="0.254" layer="94"/>
          <wire x1="-15.24" y1="15.24" x2="-15.24" y2="-15.24" width="0.254" layer="94"/>
          <text x="-15.24" y="16.51" size="1.778" layer="95">&gt;NAME</text>
          <text x="-15.24" y="-17.78" size="1.778" layer="96">&gt;VALUE</text>
          <pin name="PA11" x="-20.32" y="12.7" length="middle" direction="io"/>
          <pin name="PA10" x="-20.32" y="10.16" length="middle" direction="io"/>
          <pin name="VDCID" x="-20.32" y="7.62" length="middle" direction="io"/>
          <pin name="VSW" x="-20.32" y="5.08" length="middle" direction="io"/>
          <pin name="VIO33/VDD33" x="-20.32" y="2.54" length="middle" direction="io"/>
          <pin name="RB_PIN_USBDPPU" x="-20.32" y="0.0" length="middle" direction="io"/>
          <pin name="RB_PINUSBIE" x="-20.32" y="-2.54" length="middle" direction="io"/>
          <pin name="PB11/UD+/TMR2" x="-20.32" y="-5.08" length="middle" direction="io"/>
          <pin name="PB10/UD-/TMR1" x="-20.32" y="-7.62" length="middle" direction="io"/>
          <pin name="PB7/TXD0/PWM9" x="-20.32" y="-10.16" length="middle" direction="io"/>
          <pin name="PB4/RXD0/PWM7" x="-20.32" y="-12.7" length="middle" direction="io"/>
          <pin name="X32MO" x="20.32" y="-12.7" length="middle" direction="io" rot="R180"/>
          <pin name="X32MI" x="20.32" y="-10.16" length="middle" direction="io" rot="R180"/>
          <pin name="VINTA" x="20.32" y="-7.62" length="middle" direction="io" rot="R180"/>
          <pin name="ANT" x="20.32" y="-5.08" length="middle" direction="io" rot="R180"/>
          <pin name="VDCIA" x="20.32" y="-2.54" length="middle" direction="io" rot="R180"/>
          <pin name="PA15/MISO/RXD0_/AIN5" x="20.32" y="0.0" length="middle" direction="io" rot="R180"/>
          <pin name="PA14/MOSI/TXD0_/AIN4" x="20.32" y="2.54" length="middle" direction="io" rot="R180"/>
          <pin name="PA13" x="20.32" y="5.08" length="middle" direction="io" rot="R180"/>
          <pin name="PA12" x="20.32" y="7.62" length="middle" direction="io" rot="R180"/>
          <pin name="GND" x="20.32" y="10.16" length="middle" direction="io" rot="R180"/>
        </symbol>
      </symbols>
      <devicesets>
        <deviceset name="CH591D" prefix="U">
          <gates>
            <gate name="G$1" symbol="CH591D_SYM" x="0" y="0"/>
          </gates>
          <devices>
            <device name="" package="C20606919_QFN-20_3x3">
              <connects>
                <connect gate="G$1" pin="PA11" pad="1"/>
                <connect gate="G$1" pin="PA10" pad="2"/>
                <connect gate="G$1" pin="VDCID" pad="3"/>
                <connect gate="G$1" pin="VSW" pad="4"/>
                <connect gate="G$1" pin="VIO33/VDD33" pad="5"/>
                <connect gate="G$1" pin="RB_PIN_USBDPPU" pad="6"/>
                <connect gate="G$1" pin="RB_PINUSBIE" pad="7"/>
                <connect gate="G$1" pin="PB11/UD+/TMR2" pad="8"/>
                <connect gate="G$1" pin="PB10/UD-/TMR1" pad="9"/>
                <connect gate="G$1" pin="PB7/TXD0/PWM9" pad="10"/>
                <connect gate="G$1" pin="PB4/RXD0/PWM7" pad="11"/>
                <connect gate="G$1" pin="X32MO" pad="12"/>
                <connect gate="G$1" pin="X32MI" pad="13"/>
                <connect gate="G$1" pin="VINTA" pad="14"/>
                <connect gate="G$1" pin="ANT" pad="15"/>
                <connect gate="G$1" pin="VDCIA" pad="16"/>
                <connect gate="G$1" pin="PA15/MISO/RXD0_/AIN5" pad="17"/>
                <connect gate="G$1" pin="PA14/MOSI/TXD0_/AIN4" pad="18"/>
                <connect gate="G$1" pin="PA13" pad="19"/>
                <connect gate="G$1" pin="PA12" pad="20"/>
                <connect gate="G$1" pin="GND" pad="21"/>
              </connects>
            </device>
          </devices>
        </deviceset>
      </devicesets>
    </library>
  </drawing>
</eagle>
