<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="7.4.0">
<drawing>
<board>
<plain>
<wire x1="-0.47" y1="-0.63" x2="75.4" y2="-0.63" width="0" layer="20"/>
<wire x1="75.4" y1="-0.63" x2="75.4" y2="75.56" width="0" layer="20"/>
<wire x1="75.4" y1="75.56" x2="-0.47" y2="75.56" width="0" layer="20"/>
<wire x1="-0.47" y1="75.56" x2="-0.47" y2="-0.63" width="0" layer="20"/>
<text>Dutchtronix Clock 3.1b 2023</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>1</text>
<text>+</text>
<text>1</text>
<text>USB</text>
<text>USB</text>
<text>Center Positive</text>
<text>RS232</text>
<text>RS232</text>
<text>1</text>
<text>1</text>
<text>+</text>
<text>+</text>
<text>USB</text>
<text>EXT</text>
<text>1K</text>
<text>+</text>
<text>e</text>
<text>+</text>
<text>JdR</text>
</plain>
<libraries>
<library name="atmel">
<packages>
<package name="DIL28-3">
<description>&lt;B&gt;Dual In Line&lt;/B&gt; 0.3 inch</description>
</package>
</packages>
</library>
<library name="ic-package">
<packages>
<package name="DIL20">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
<package name="DIL08">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="diode">
<packages>
<package name="DO35-7">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2 mm, horizontal, grid 7.62 mm</description>
</package>
<package name="DO41-10">
<description>&lt;B&gt;DIODE&lt;/B&gt;&lt;p&gt;
diameter 2.54 mm, horizontal, grid 10.16 mm</description>
</package>
</packages>
</library>
<library name="rcl">
<packages>
<package name="0207/10">
<description>&lt;b&gt;RESISTOR&lt;/b&gt;&lt;p&gt;
type 0207, grid 10 mm</description>
</package>
<package name="E2,5-7">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 7 mm</description>
</package>
<package name="E2,5-5">
<description>&lt;b&gt;ELECTROLYTIC CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.54 mm, diameter 5 mm</description>
</package>
<package name="C025-025X050">
<description>&lt;b&gt;CAPACITOR&lt;/b&gt;&lt;p&gt;
grid 2.5 mm, outline 2.5 x 5 mm</description>
</package>
</packages>
</library>
<library name="pinhead">
<packages>
<package name="2X05">
<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="1X02">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X01">
<description>&lt;b&gt;PIN HEADER&lt;/b&gt;</description>
</package>
<package name="1X03BAT">
</package>
</packages>
</library>
<library name="crystal">
<packages>
<package name="HC18U-V">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
<package name="TC26H">
<description>&lt;b&gt;CRYSTAL&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="switch-omron">
<packages>
<package name="B3F-10XX">
<description>&lt;b&gt;OMRON SWITCH&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="led">
<packages>
<package name="LED3MM">
<description>&lt;B&gt;LED&lt;/B&gt;&lt;p&gt;
3 mm, round</description>
</package>
</packages>
</library>
<library name="testpad">
<packages>
<package name="P1-20Y">
<description>&lt;b&gt;TEST PAD&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun">
<packages>
<package name="POWER_JACK_PTH">
</package>
<package name="SWITCH-SPST">
</package>
<package name="USB-B-PTH">
<description>&lt;b&gt;USB Series B Hole Mounted&lt;/b&gt;</description>
</package>
<package name="STAND-OFF">
<description>&lt;b&gt;Stand Off&lt;/b&gt;&lt;p&gt;
This is the mechanical footprint for a #4 phillips button head screw. Use the keepout ring to avoid running the screw head into surrounding components. SKU : PRT-00447</description>
</package>
<package name="DB9">
<description>&lt;b&gt;SUB-D&lt;/b&gt;</description>
</package>
<package name="0603">
</package>
<package name="TO220-IGO">
</package>
<package name="EIA3528">
</package>
</packages>
</library>
<library name="pot">
<packages>
<package name="LI10">
<description>&lt;b&gt;POTENTIOMETER&lt;/b&gt;&lt;p&gt;
Piher</description>
</package>
</packages>
</library>
<library name="maxim">
<packages>
<package name="DIL16">
<description>&lt;b&gt;Dual In Line Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="ftdichip">
<packages>
<package name="SSOP28">
<description>&lt;b&gt;Shrink Small Outline Package&lt;/b&gt; SSOP-28&lt;p&gt;
http://www.ftdichip.com/Documents/DataSheets/DS_FT232R_v104.pdf</description>
</package>
</packages>
</library>
<library name="transistor-npn">
<packages>
<package name="TO92">
<description>&lt;b&gt;TO 92&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="Jdr-Eagle">
<packages>
<package name="73100-0223JDR">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="IC1" library="atmel" package="DIL28-3" value="ATMEGA328">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MPN" value=""/>
</element>
<element name="IC3" library="ic-package" package="DIL08" value="PCF8563">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R1" library="rcl" package="0207/10" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R2" library="rcl" package="0207/10" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R3" library="rcl" package="0207/10" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="ISP" library="pinhead" package="2X05" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RS232" library="pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="VCCPOWER" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q1" library="crystal" package="HC18U-V" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MPN" value=""/>
</element>
<element name="R4" library="rcl" package="0207/10" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C4" library="rcl" package="C025-025X050" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C3" library="rcl" package="C025-025X050" value="22pF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C2" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D3" library="diode" package="DO35-7" value="BAT42">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D4" library="diode" package="DO35-7" value="BAT42">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S1" library="switch-omron" package="B3F-10XX" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="MPN" value="B3F-1000"/>
</element>
<element name="R9" library="rcl" package="0207/10" value="470R">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q4" library="crystal" package="TC26H" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="unknown"/>
<attribute name="OC_FARNELL" value="unknown"/>
<attribute name="MPN" value=""/>
</element>
<element name="D2" library="led" package="LED3MM" value="Led">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="GND" library="pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Z" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="1PPS" library="pinhead" package="1X02" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="CH1" library="testpad" package="P1-20Y" value="PTR1PAD1-20Y">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="CH2" library="testpad" package="P1-20Y" value="PTR1PAD1-20Y">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="TP_SIGNAL_NAME" value=""/>
</element>
<element name="R5" library="rcl" package="0207/10" value="10K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C5" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J1" library="SparkFun" package="POWER_JACK_PTH" value="POWER_JACKPTH">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C6" library="rcl" package="E2,5-7" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S3" library="SparkFun" package="SWITCH-SPST" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R6" library="rcl" package="0207/10" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D1" library="led" package="LED3MM" value="Led">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC4" library="SparkFun" package="TO220-IGO" value="7805">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R7" library="rcl" package="0207/10" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R8" library="pot" package="LI10" value="1K">
<attribute name="NAME"/>
</element>
<element name="C1" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC5" library="maxim" package="DIL16" value="MAX232A">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value="MAXIM"/>
<attribute name="OC_NEWARK" value="68K4544"/>
<attribute name="OC_FARNELL" value="9723773"/>
<attribute name="MPN" value="MAX232ACPE+"/>
</element>
<element name="RTCTRIM" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC6" library="ftdichip" package="SSOP28" value="FT232RL">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="91K9918"/>
<attribute name="OC_FARNELL" value="1146032"/>
<attribute name="MPN" value="FT232RL"/>
</element>
<element name="X2" library="SparkFun" package="USB-B-PTH" value="USBPTH">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="U$2" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="U$3" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="U$4" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="U$5" library="SparkFun" package="STAND-OFF" value="STAND-OFF"/>
<element name="C9" library="SparkFun" package="0603" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C10" library="SparkFun" package="0603" value="10nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="X1" library="SparkFun" package="DB9" value="DB9">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J2" library="Jdr-Eagle" package="73100-0223JDR" value="BNC-73100-0223JDRJDR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="J3" library="Jdr-Eagle" package="73100-0223JDR" value="BNC-73100-0223JDRJDR">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="IC2" library="ic-package" package="DIL20" value="AD7302">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C12" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C13" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C14" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C15" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C16" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RTCCAL" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C11" library="SparkFun" package="EIA3528" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C8" library="rcl" package="E2,5-5" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="L1" library="SparkFun" package="0603" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R13" library="rcl" package="0207/10" value="4K7">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="Q3" library="transistor-npn" package="TO92" value="2N3904">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="R14" library="rcl" package="0207/10" value="1K">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="ZINV" library="pinhead" package="1X01" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="S2" library="switch-omron" package="B3F-10XX" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
<attribute name="MF" value=""/>
<attribute name="OC_NEWARK" value="36M3542"/>
<attribute name="OC_FARNELL" value="176432"/>
<attribute name="MPN" value="B3F-1000"/>
</element>
<element name="BATTERY" library="pinhead" package="1X03BAT" value="BATTERY">
<attribute name="VALUE"/>
</element>
<element name="TXROUTE" library="pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="RXROUTE" library="pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="VCCSELECT" library="pinhead" package="1X03" value="">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C17" library="rcl" package="E2,5-7" value="100uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C7" library="rcl" package="E2,5-5" value="10uF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="C18" library="rcl" package="C025-025X050" value="100nF">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
<element name="D5" library="diode" package="DO41-10" value="1N4001">
<attribute name="NAME"/>
<attribute name="VALUE"/>
</element>
</elements>
<signals>
<signal name="N$11">
<contactref element="IC1" pad="9"/>
<contactref element="Q1" pad="2"/>
<contactref element="C4" pad="1"/>
</signal>
<signal name="N$12">
<contactref element="IC1" pad="10"/>
<contactref element="Q1" pad="1"/>
<contactref element="C3" pad="1"/>
</signal>
<signal name="GND">
<contactref element="IC3" pad="4"/>
<contactref element="IC1" pad="22"/>
<contactref element="R6" pad="1"/>
<contactref element="IC4" pad="GND"/>
<contactref element="C6" pad="-"/>
<contactref element="J1" pad="GNDBREAK"/>
<contactref element="J1" pad="GND"/>
<contactref element="IC5" pad="15"/>
<contactref element="X2" pad="GND"/>
<contactref element="C10" pad="2"/>
<contactref element="C9" pad="2"/>
<contactref element="IC6" pad="7"/>
<contactref element="IC6" pad="26"/>
<contactref element="IC6" pad="21"/>
<contactref element="IC6" pad="18"/>
<contactref element="IC6" pad="25"/>
<contactref element="IC2" pad="20"/>
<contactref element="IC2" pad="9"/>
<contactref element="ISP" pad="10"/>
<contactref element="ISP" pad="8"/>
<contactref element="ISP" pad="6"/>
<contactref element="ISP" pad="4"/>
<contactref element="C3" pad="2"/>
<contactref element="C4" pad="2"/>
<contactref element="C2" pad="1"/>
<contactref element="S1" pad="2"/>
<contactref element="S1" pad="1"/>
<contactref element="C16" pad="2"/>
<contactref element="C14" pad="1"/>
<contactref element="RS232" pad="1"/>
<contactref element="X1" pad="5"/>
<contactref element="C5" pad="1"/>
<contactref element="C11" pad="C"/>
<contactref element="C8" pad="-"/>
<contactref element="C1" pad="1"/>
<contactref element="IC1" pad="8"/>
<contactref element="Q3" pad="3"/>
<contactref element="R9" pad="1"/>
<contactref element="S2" pad="1"/>
<contactref element="S2" pad="2"/>
<contactref element="BATTERY" pad="3"/>
<contactref element="R8" pad="A"/>
<contactref element="R8" pad="S"/>
<contactref element="VCCPOWER" pad="2"/>
<contactref element="C17" pad="-"/>
<contactref element="C7" pad="-"/>
<contactref element="C18" pad="1"/>
<contactref element="IC2" pad="17"/>
<contactref element="J2" pad="GND"/>
<contactref element="J3" pad="GND"/>
<contactref element="GND" pad="3"/>
<contactref element="GND" pad="2"/>
<contactref element="GND" pad="1"/>
</signal>
<signal name="N$13">
<contactref element="IC3" pad="1"/>
<contactref element="Q4" pad="2"/>
<contactref element="RTCTRIM" pad="1"/>
</signal>
<signal name="N$14">
<contactref element="IC3" pad="2"/>
<contactref element="Q4" pad="1"/>
</signal>
<signal name="BATPOWER">
<contactref element="D4" pad="A"/>
<contactref element="BATTERY" pad="1"/>
</signal>
<signal name="SDALINE">
<contactref element="IC3" pad="5"/>
<contactref element="R1" pad="1"/>
<contactref element="IC1" pad="27"/>
</signal>
<signal name="SCLLINE">
<contactref element="IC3" pad="6"/>
<contactref element="R2" pad="1"/>
<contactref element="IC1" pad="28"/>
</signal>
<signal name="RESETLINE">
<contactref element="R4" pad="2"/>
<contactref element="IC1" pad="1"/>
<contactref element="ISP" pad="5"/>
</signal>
<signal name="RTCPOWER">
<contactref element="IC3" pad="8"/>
<contactref element="D3" pad="C"/>
<contactref element="D4" pad="C"/>
<contactref element="C5" pad="2"/>
</signal>
<signal name="1PPS-B">
<contactref element="IC3" pad="3"/>
<contactref element="R3" pad="1"/>
<contactref element="1PPS" pad="2"/>
</signal>
<signal name="N$1">
<contactref element="IC3" pad="7"/>
<contactref element="RTCCAL" pad="1"/>
<contactref element="R5" pad="2"/>
</signal>
<signal name="N$6">
<contactref element="D1" pad="K"/>
<contactref element="R6" pad="2"/>
</signal>
<signal name="UNRPOS">
<contactref element="C6" pad="+"/>
<contactref element="IC4" pad="IN"/>
<contactref element="D5" pad="C"/>
</signal>
<signal name="N$2">
<contactref element="J1" pad="PWR"/>
<contactref element="S3" pad="2"/>
</signal>
<signal name="1PPS-A">
<contactref element="IC1" pad="4"/>
<contactref element="1PPS" pad="1"/>
</signal>
<signal name="VREF">
<contactref element="R7" pad="1"/>
<contactref element="IC2" pad="16"/>
<contactref element="R8" pad="E"/>
<contactref element="C18" pad="2"/>
</signal>
<signal name="USB5V">
<contactref element="X2" pad="VBUS"/>
<contactref element="C10" pad="1"/>
<contactref element="L1" pad="2"/>
</signal>
<signal name="PORTC2">
<contactref element="IC1" pad="25"/>
<contactref element="IC2" pad="2"/>
</signal>
<signal name="PORTC0">
<contactref element="IC1" pad="23"/>
<contactref element="IC2" pad="4"/>
</signal>
<signal name="PORTC1">
<contactref element="IC1" pad="24"/>
<contactref element="IC2" pad="3"/>
</signal>
<signal name="PORTC3">
<contactref element="IC1" pad="26"/>
<contactref element="IC2" pad="1"/>
</signal>
<signal name="PORTB0">
<contactref element="IC1" pad="14"/>
<contactref element="IC2" pad="8"/>
</signal>
<signal name="PORTB1">
<contactref element="IC1" pad="15"/>
<contactref element="IC2" pad="7"/>
</signal>
<signal name="PORTB2">
<contactref element="IC1" pad="16"/>
<contactref element="IC2" pad="6"/>
</signal>
<signal name="PORTB3">
<contactref element="IC1" pad="17"/>
<contactref element="ISP" pad="1"/>
<contactref element="IC2" pad="5"/>
</signal>
<signal name="DACLDAC">
<contactref element="IC2" pad="13"/>
<contactref element="IC1" pad="11"/>
</signal>
<signal name="X-OUT">
<contactref element="IC2" pad="19"/>
<contactref element="CH1" pad="TP"/>
<contactref element="J2" pad="P"/>
</signal>
<signal name="Y-OUT">
<contactref element="IC2" pad="18"/>
<contactref element="CH2" pad="TP"/>
<contactref element="J3" pad="P"/>
</signal>
<signal name="DACWR">
<contactref element="IC1" pad="6"/>
<contactref element="IC2" pad="10"/>
</signal>
<signal name="DACSELECT">
<contactref element="IC1" pad="5"/>
<contactref element="IC2" pad="11"/>
</signal>
<signal name="N$20">
<contactref element="IC5" pad="3"/>
<contactref element="C12" pad="1"/>
</signal>
<signal name="N$21">
<contactref element="C12" pad="2"/>
<contactref element="IC5" pad="1"/>
</signal>
<signal name="N$15">
<contactref element="C13" pad="1"/>
<contactref element="IC5" pad="5"/>
</signal>
<signal name="N$22">
<contactref element="C14" pad="2"/>
<contactref element="IC5" pad="6"/>
</signal>
<signal name="N$23">
<contactref element="C15" pad="1"/>
<contactref element="IC5" pad="2"/>
</signal>
<signal name="RXD-A">
<contactref element="IC1" pad="2"/>
<contactref element="RXROUTE" pad="2"/>
</signal>
<signal name="TXD-A">
<contactref element="IC1" pad="3"/>
<contactref element="TXROUTE" pad="2"/>
</signal>
<signal name="ZLINE">
<contactref element="IC1" pad="13"/>
<contactref element="Z" pad="1"/>
<contactref element="R13" pad="2"/>
</signal>
<signal name="N$26">
<contactref element="R13" pad="1"/>
<contactref element="Q3" pad="2"/>
</signal>
<signal name="VCC">
<contactref element="IC1" pad="20"/>
<contactref element="R4" pad="1"/>
<contactref element="IC2" pad="15"/>
<contactref element="IC2" pad="14"/>
<contactref element="IC2" pad="12"/>
<contactref element="C8" pad="+"/>
<contactref element="C1" pad="2"/>
<contactref element="R3" pad="2"/>
<contactref element="R2" pad="2"/>
<contactref element="R1" pad="2"/>
<contactref element="R5" pad="1"/>
<contactref element="D3" pad="A"/>
<contactref element="C2" pad="2"/>
<contactref element="ISP" pad="2"/>
<contactref element="R14" pad="2"/>
<contactref element="IC5" pad="16"/>
<contactref element="C16" pad="1"/>
<contactref element="C15" pad="2"/>
<contactref element="IC1" pad="7"/>
<contactref element="R7" pad="2"/>
<contactref element="VCCSELECT" pad="2"/>
<contactref element="C17" pad="+"/>
</signal>
<signal name="ZINVLINE">
<contactref element="Q3" pad="1"/>
<contactref element="ZINV" pad="1"/>
<contactref element="R14" pad="1"/>
</signal>
<signal name="N$8">
<contactref element="C13" pad="2"/>
<contactref element="IC5" pad="4"/>
</signal>
<signal name="RXPC">
<contactref element="IC5" pad="7"/>
<contactref element="X1" pad="2"/>
<contactref element="RS232" pad="2"/>
</signal>
<signal name="TXPC">
<contactref element="IC5" pad="8"/>
<contactref element="X1" pad="3"/>
<contactref element="RS232" pad="3"/>
</signal>
<signal name="LEDLINE">
<contactref element="IC1" pad="12"/>
<contactref element="D2" pad="A"/>
</signal>
<signal name="TX-USB">
<contactref element="IC6" pad="5"/>
<contactref element="TXROUTE" pad="1"/>
</signal>
<signal name="TX-RS232">
<contactref element="IC5" pad="10"/>
<contactref element="TXROUTE" pad="3"/>
</signal>
<signal name="RX-RS232">
<contactref element="IC5" pad="9"/>
<contactref element="RXROUTE" pad="3"/>
</signal>
<signal name="RX-USB">
<contactref element="IC6" pad="1"/>
<contactref element="RXROUTE" pad="1"/>
</signal>
<signal name="N$3">
<contactref element="D2" pad="K"/>
<contactref element="R9" pad="2"/>
</signal>
<signal name="ISPCLK-S2">
<contactref element="IC1" pad="19"/>
<contactref element="ISP" pad="7"/>
<contactref element="S2" pad="3"/>
<contactref element="S2" pad="4"/>
</signal>
<signal name="ISPMISO-S1">
<contactref element="IC1" pad="18"/>
<contactref element="ISP" pad="9"/>
<contactref element="S1" pad="4"/>
<contactref element="S1" pad="3"/>
</signal>
<signal name="USBVCC">
<contactref element="IC6" pad="4"/>
<contactref element="IC6" pad="20"/>
<contactref element="C9" pad="1"/>
<contactref element="C11" pad="A"/>
<contactref element="L1" pad="1"/>
<contactref element="VCCSELECT" pad="3"/>
</signal>
<signal name="+5V">
<contactref element="D1" pad="A"/>
<contactref element="IC4" pad="OUT"/>
<contactref element="VCCPOWER" pad="1"/>
<contactref element="VCCSELECT" pad="1"/>
<contactref element="C7" pad="+"/>
</signal>
<signal name="USBDM">
<contactref element="IC6" pad="16"/>
<contactref element="X2" pad="D-"/>
</signal>
<signal name="USBDP">
<contactref element="X2" pad="D+"/>
<contactref element="IC6" pad="15"/>
</signal>
<signal name="N$7">
<contactref element="S3" pad="1"/>
<contactref element="D5" pad="A"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
