<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="6.5.0">
<drawing>
<board>
<plain>
<wire x1="0" y1="0" x2="57.785" y2="0" width="0" layer="20"/>
<wire x1="57.785" y1="0" x2="57.785" y2="40.132" width="0" layer="20"/>
<wire x1="57.785" y1="40.132" x2="0" y2="40.132" width="0" layer="20"/>
<wire x1="0" y1="40.132" x2="0" y2="0" width="0" layer="20"/>
<text>AD0</text>
<text>AD1</text>
<text>AD8</text>
<text>AD2</text>
<text>AD9</text>
<text>AD3</text>
<hole x="5.334" y="2.667" drill="3.2"/>
<hole x="54.737" y="32.639" drill="3.2"/>
<hole x="8.89" y="32.766" drill="3.2"/>
<text>PA16</text>
<text>PA15</text>
<text>PA24</text>
<text>PA11</text>
<text>PA10</text>
<text>PA9</text>
<text>3.3V</text>
<text>GND</text>
<text>SPCK</text>
<text>MOSI</text>
<text>MISO</text>
<text>3.3V</text>
<text>GND</text>
<text>TWD1</text>
<text>TWCK0</text>
<text>TWD0</text>
<text>TWCK1</text>
<text>3.3V</text>
<text>GND</text>
<text>SAM4S Mini
----------------
Feldenthorne 2014</text>
</plain>
<libraries>
<library name="atsam4s">
<packages>
<package name="SOT23-5">
<description>&lt;b&gt;Small Outline Transistor&lt;/b&gt;, 5 lead</description>
</package>
<package name="LQFP-ST-64-2">
<description>&lt;b&gt;64-Lead Low Profile Quad Flat Package [LQFP] (ST-64-2)&lt;/b&gt;&lt;p&gt;
COMPLIANT TO JEDEC STANDARDS MS-026-BCD&lt;br&gt;
Source: http://www.analog.com/UploadedFiles/Data_Sheets/288945048AD7C7019_20_1_2_4_5_6_7_0.pdf</description>
</package>
<package name="1206">
</package>
<package name="USB-MICROB">
</package>
<package name="SO08">
<description>&lt;b&gt;Small Outline Package&lt;/b&gt; Fits JEDEC packages (narrow SOIC-8)</description>
</package>
<package name="TFR_HINGE">
</package>
<package name="1X06">
</package>
</packages>
</library>
<library name="SparkFun-Passives">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find resistors, capacitors, inductors, test points, jumper pads, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="0805">
</package>
<package name="PAD-JUMPER-2-NC_BY_PASTE_YES_SILK">
</package>
</packages>
</library>
<library name="SparkFun-Connectors">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find connectors and sockets- basically anything that can be plugged into or onto.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="1X02_2.54_SCREWTERM">
</package>
<package name="1X05">
</package>
<package name="2X3_POGO">
</package>
<package name="1X08">
</package>
</packages>
</library>
<library name="SparkFun-FreqCtrl">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find crystals and oscillators and other things that go "tick".&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="CRYSTAL-SMD-5X3">
</package>
</packages>
</library>
<library name="SparkFun-Electromechanical">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find anything that moves- switches, relays, buttons, potentiometers. Also, anything that goes on a board but isn't electrical in nature- screws, standoffs, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="TACTILE-SWITCH-1101NE">
<description>Sparkfun SKU# COM-08229</description>
</package>
</packages>
</library>
<library name="SparkFun-DigitalIC">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find all manner of digital ICs- microcontrollers, memory chips, logic chips, FPGAs, etc.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="SSOP28DB">
<description>&lt;b&gt;Small Shrink Outline Package&lt;/b&gt;</description>
</package>
</packages>
</library>
<library name="SparkFun-LED">
<description>&lt;h3&gt;SparkFun Electronics' preferred foot prints&lt;/h3&gt;
In this library you'll find discrete LEDs for illumination or indication, but no displays.&lt;br&gt;&lt;br&gt;
We've spent an enormous amount of time creating and checking these footprints and parts, but it is the end user's responsibility to ensure correctness and suitablity for a given componet or application. If you enjoy using this library, please buy one of our products at www.sparkfun.com.
&lt;br&gt;&lt;br&gt;
&lt;b&gt;Licensing:&lt;/b&gt; Creative Commons ShareAlike 4.0 International - https://creativecommons.org/licenses/by-sa/4.0/ 
&lt;br&gt;&lt;br&gt;
You are welcome to use this library for commercial purposes. For attribution, we ask that when you begin to sell your device using our footprint, you email us with a link to the product being sold. We want bragging rights that we helped (in a very small part) to create your 8th world wonder. We would like the opportunity to feature your device on our homepage.</description>
<packages>
<package name="LED-0603">
</package>
</packages>
</library>
</libraries>
<attributes>
</attributes>
<variantdefs>
</variantdefs>
<elements>
<element name="SC189" library="atsam4s" package="SOT23-5" value="SC189ZSKTRT">
<attribute name="NAME"/>
</element>
<element name="ATSAM4S4B" library="atsam4s" package="LQFP-ST-64-2" value="ATSAM4S4B">
<attribute name="OC_NEWARK" value="27X8527"/>
<attribute name="MPN" value="ATSAM4S4BA-AU"/>
<attribute name="MF" value="ATMEL"/>
<attribute name="OC_DIGIKEY" value="ATSAM4S4BA-AU-ND"/>
<attribute name="VALUE"/>
</element>
<element name="VREG_L" library="SparkFun-Passives" package="0805" value="1uH">
<attribute name="VALUE"/>
</element>
<element name="C1" library="SparkFun-Passives" package="0805" value="10uF">
<attribute name="VALUE"/>
</element>
<element name="C2" library="SparkFun-Passives" package="0805" value="22uF">
<attribute name="VALUE"/>
</element>
<element name="5V_IN" library="SparkFun-Connectors" package="1X02_2.54_SCREWTERM" value="M022.54MM_SCREWTERM"/>
<element name="VDDIO_C1" library="SparkFun-Passives" package="0805" value="100nF">
<attribute name="VALUE"/>
</element>
<element name="VDDIO_C2" library="SparkFun-Passives" package="0805" value="10uF">
<attribute name="VALUE"/>
</element>
<element name="VDDIN_C" library="SparkFun-Passives" package="0805" value="100nF">
<attribute name="VALUE"/>
</element>
<element name="VDDOUT_C1" library="SparkFun-Passives" package="0805" value="100nF">
<attribute name="VALUE"/>
</element>
<element name="VDDOUT_C2" library="SparkFun-Passives" package="0805" value="2.2uF">
<attribute name="VALUE"/>
</element>
<element name="VDDCORE_C" library="SparkFun-Passives" package="0805" value="100nF">
<attribute name="VALUE"/>
</element>
<element name="VDDPLL_C1" library="SparkFun-Passives" package="0805" value="100nF">
<attribute name="VALUE"/>
</element>
<element name="VDDPLL_C2" library="SparkFun-Passives" package="0805" value="4.7uF">
<attribute name="VALUE"/>
</element>
<element name="VDDPLL_L" library="SparkFun-Passives" package="0805" value="10uH">
<attribute name="VALUE"/>
</element>
<element name="VDDPLL_R" library="SparkFun-Passives" package="0805" value="1">
<attribute name="VALUE"/>
</element>
<element name="MAIN_C1" library="SparkFun-Passives" package="0805" value="8pF">
<attribute name="VALUE"/>
</element>
<element name="MAIN_C2" library="SparkFun-Passives" package="0805" value="8pF">
<attribute name="VALUE"/>
</element>
<element name="SLOW_C1" library="SparkFun-Passives" package="0805" value="7pF">
<attribute name="VALUE"/>
</element>
<element name="SLOW_C2" library="SparkFun-Passives" package="0805" value="7pF">
<attribute name="VALUE"/>
</element>
<element name="SLOW_CL" library="atsam4s" package="1206" value="32.768kHz">
<attribute name="VALUE"/>
</element>
<element name="MAIN_CL" library="SparkFun-FreqCtrl" package="CRYSTAL-SMD-5X3" value="12MHz">
<attribute name="VALUE"/>
</element>
<element name="RESET" library="SparkFun-Electromechanical" package="TACTILE-SWITCH-1101NE" value="SWITCH">
<attribute name="NAME"/>
</element>
<element name="ERASE" library="SparkFun-Electromechanical" package="TACTILE-SWITCH-1101NE" value="SWITCH">
<attribute name="NAME"/>
</element>
<element name="USB_BUS_R1" library="SparkFun-Passives" package="0805" value="27k">
<attribute name="VALUE"/>
</element>
<element name="USB_BUS_R2" library="SparkFun-Passives" package="0805" value="47k">
<attribute name="VALUE"/>
</element>
<element name="USB" library="atsam4s" package="USB-MICROB" value="USB-FCI">
<attribute name="NAME"/>
</element>
<element name="USB_LINE_R1" library="SparkFun-Passives" package="0805" value="27">
<attribute name="VALUE"/>
</element>
<element name="USB_LINE_R2" library="SparkFun-Passives" package="0805" value="27">
<attribute name="VALUE"/>
</element>
<element name="USB_VIN" library="SparkFun-Passives" package="PAD-JUMPER-2-NC_BY_PASTE_YES_SILK" value="USB_VIN">
<attribute name="VALUE"/>
</element>
<element name="FT232R" library="SparkFun-DigitalIC" package="SSOP28DB" value="FT232RL-BASICSSOP">
<attribute name="NAME"/>
</element>
<element name="RX" library="SparkFun-LED" package="LED-0603" value="RED">
<attribute name="PROD_ID" value="DIO-00819"/>
<attribute name="NAME"/>
</element>
<element name="TX" library="SparkFun-LED" package="LED-0603" value="YELLOW">
<attribute name="PROD_ID" value="DIO-09003"/>
<attribute name="NAME"/>
</element>
<element name="UART" library="atsam4s" package="USB-MICROB" value="USB-FCI">
<attribute name="NAME"/>
</element>
<element name="USB_LINE_R3" library="SparkFun-Passives" package="0805" value="27">
<attribute name="VALUE"/>
</element>
<element name="USB_LINE_R4" library="SparkFun-Passives" package="0805" value="27">
<attribute name="VALUE"/>
</element>
<element name="RX_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="TX_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="8MB_FLASH" library="atsam4s" package="SO08" value="SPI_FLASH-X25XXSMD">
<attribute name="NAME"/>
</element>
<element name="SPCK_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="MOSI_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="MISO_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="SPI" library="SparkFun-Connectors" package="1X05" value="HEADER">
<attribute name="NAME"/>
</element>
<element name="ADC/DAC" library="SparkFun-Connectors" package="2X3_POGO" value="HEADER">
<attribute name="PROD_ID" value="HW-11044"/>
<attribute name="NAME"/>
</element>
<element name="MICROSD" library="atsam4s" package="TFR_HINGE" value="TFR_HINGEMOLEX">
<attribute name="NAME"/>
</element>
<element name="ADC" library="atsam4s" package="1X06" value="1X6_HEADERPINS">
<attribute name="NAME"/>
</element>
<element name="VDD" library="SparkFun-LED" package="LED-0603" value="BLUE">
<attribute name="PROD_ID" value="DIO-08575"/>
<attribute name="NAME"/>
</element>
<element name="VDDLED_R" library="SparkFun-Passives" package="0805" value="220">
<attribute name="VALUE"/>
</element>
<element name="TWI" library="atsam4s" package="1X06" value="1X6_HEADERPINS">
<attribute name="NAME"/>
</element>
<element name="GPIO" library="SparkFun-Connectors" package="1X08" value="HEADER">
<attribute name="NAME"/>
</element>
</elements>
<signals>
<signal name="PB0/AD4">
</signal>
<signal name="PB1/AD5">
</signal>
<signal name="PA23/PGMD11">
</signal>
<signal name="PA20/PGMD8/AD3">
</signal>
<signal name="TDI/PB4">
</signal>
<signal name="PA6/PGMNOE">
</signal>
<signal name="PA30">
</signal>
<signal name="PA1/PGMEN1">
</signal>
<signal name="PA0/PGMEN0">
</signal>
<signal name="TCK/SWCLK/PB7">
</signal>
<signal name="DDM/PB10">
</signal>
<signal name="PB13/DAC0">
</signal>
<signal name="LX">
<contactref element="SC189" pad="LX"/>
<contactref element="VREG_L" pad="2"/>
</signal>
<signal name="5V_CAP">
<contactref element="SC189" pad="EN"/>
<contactref element="SC189" pad="VIN"/>
<contactref element="C1" pad="1"/>
</signal>
<signal name="GND">
<contactref element="SC189" pad="GND"/>
<contactref element="ATSAM4S4B" pad="60"/>
<contactref element="ATSAM4S4B" pad="2"/>
<contactref element="ATSAM4S4B" pad="17"/>
<contactref element="ATSAM4S4B" pad="46"/>
<contactref element="C2" pad="2"/>
<contactref element="5V_IN" pad="P2"/>
<contactref element="VDDIO_C2" pad="2"/>
<contactref element="VDDIO_C1" pad="2"/>
<contactref element="VDDIN_C" pad="2"/>
<contactref element="VDDPLL_C2" pad="2"/>
<contactref element="VDDPLL_C1" pad="2"/>
<contactref element="MAIN_C2" pad="2"/>
<contactref element="MAIN_C1" pad="2"/>
<contactref element="SLOW_C2" pad="2"/>
<contactref element="SLOW_C1" pad="2"/>
<contactref element="ATSAM4S4B" pad="50"/>
<contactref element="RESET" pad="P$2"/>
<contactref element="USB_BUS_R2" pad="1"/>
<contactref element="USB" pad="GND"/>
<contactref element="FT232R" pad="26"/>
<contactref element="FT232R" pad="21"/>
<contactref element="FT232R" pad="18"/>
<contactref element="FT232R" pad="7"/>
<contactref element="FT232R" pad="25"/>
<contactref element="UART" pad="GND"/>
<contactref element="8MB_FLASH" pad="4"/>
<contactref element="SPI" pad="1"/>
<contactref element="ADC/DAC" pad="P$5"/>
<contactref element="MICROSD" pad="PIN6"/>
<contactref element="MICROSD" pad="G3"/>
<contactref element="MICROSD" pad="G2"/>
<contactref element="MICROSD" pad="G4"/>
<contactref element="MICROSD" pad="G1"/>
<contactref element="VDD" pad="C"/>
<contactref element="TWI" pad="1"/>
<contactref element="GPIO" pad="8"/>
</signal>
<signal name="3.3V">
<contactref element="C2" pad="1"/>
<contactref element="SC189" pad="VOUT"/>
<contactref element="VREG_L" pad="1"/>
<contactref element="VDDIN_C" pad="1"/>
<contactref element="VDDIO_C1" pad="1"/>
<contactref element="VDDIO_C2" pad="1"/>
<contactref element="ATSAM4S4B" pad="7"/>
<contactref element="ATSAM4S4B" pad="45"/>
<contactref element="ATSAM4S4B" pad="18"/>
<contactref element="ATSAM4S4B" pad="58"/>
<contactref element="ATSAM4S4B" pad="1"/>
<contactref element="ERASE" pad="P$2"/>
<contactref element="FT232R" pad="4"/>
<contactref element="RX_R" pad="2"/>
<contactref element="TX_R" pad="2"/>
<contactref element="8MB_FLASH" pad="8"/>
<contactref element="SPI" pad="2"/>
<contactref element="ADC/DAC" pad="P$1"/>
<contactref element="ADC/DAC" pad="P$3"/>
<contactref element="MICROSD" pad="PIN4"/>
<contactref element="VDDLED_R" pad="2"/>
<contactref element="TWI" pad="2"/>
<contactref element="GPIO" pad="7"/>
</signal>
<signal name="VDDOUT_DECOUPLE">
<contactref element="VDDOUT_C1" pad="2"/>
<contactref element="VDDOUT_C2" pad="2"/>
<contactref element="VDDCORE_C" pad="2"/>
<contactref element="VDDPLL_L" pad="1"/>
</signal>
<signal name="VDDOUT">
<contactref element="ATSAM4S4B" pad="8"/>
<contactref element="VDDPLL_L" pad="2"/>
<contactref element="VDDCORE_C" pad="1"/>
<contactref element="VDDOUT_C2" pad="1"/>
<contactref element="VDDOUT_C1" pad="1"/>
<contactref element="VDDPLL_C1" pad="1"/>
<contactref element="VDDPLL_R" pad="2"/>
<contactref element="ATSAM4S4B" pad="12"/>
<contactref element="ATSAM4S4B" pad="24"/>
<contactref element="ATSAM4S4B" pad="54"/>
<contactref element="ATSAM4S4B" pad="64"/>
</signal>
<signal name="VDDPLL_R">
<contactref element="VDDPLL_C2" pad="1"/>
<contactref element="VDDPLL_R" pad="1"/>
</signal>
<signal name="XOUT32">
<contactref element="ATSAM4S4B" pad="31"/>
<contactref element="SLOW_C2" pad="1"/>
<contactref element="SLOW_CL" pad="2"/>
</signal>
<signal name="XIN32">
<contactref element="ATSAM4S4B" pad="32"/>
<contactref element="SLOW_C1" pad="1"/>
<contactref element="SLOW_CL" pad="1"/>
</signal>
<signal name="XIN">
<contactref element="ATSAM4S4B" pad="62"/>
<contactref element="MAIN_C1" pad="1"/>
<contactref element="MAIN_CL" pad="1"/>
</signal>
<signal name="XOUT">
<contactref element="ATSAM4S4B" pad="61"/>
<contactref element="MAIN_C2" pad="1"/>
<contactref element="MAIN_CL" pad="3"/>
</signal>
<signal name="+5V">
<contactref element="C1" pad="2"/>
<contactref element="5V_IN" pad="P1"/>
<contactref element="USB_VIN" pad="1"/>
<contactref element="UART" pad="VBUS"/>
<contactref element="FT232R" pad="20"/>
</signal>
<signal name="NRST">
<contactref element="ATSAM4S4B" pad="39"/>
<contactref element="RESET" pad="P$1"/>
</signal>
<signal name="ERASE">
<contactref element="ATSAM4S4B" pad="55"/>
<contactref element="ERASE" pad="P$1"/>
</signal>
<signal name="USB_SENSE">
<contactref element="USB_BUS_R2" pad="2"/>
<contactref element="USB_BUS_R1" pad="1"/>
</signal>
<signal name="VBUS2R">
<contactref element="USB_BUS_R1" pad="2"/>
<contactref element="USB" pad="VBUS"/>
<contactref element="USB_VIN" pad="2"/>
</signal>
<signal name="DPP">
<contactref element="USB" pad="D+"/>
<contactref element="USB_LINE_R1" pad="2"/>
</signal>
<signal name="DMM">
<contactref element="USB" pad="D-"/>
<contactref element="USB_LINE_R2" pad="2"/>
</signal>
<signal name="DDM">
<contactref element="USB_LINE_R2" pad="1"/>
<contactref element="ATSAM4S4B" pad="56"/>
</signal>
<signal name="DDP">
<contactref element="USB_LINE_R1" pad="1"/>
<contactref element="ATSAM4S4B" pad="57"/>
</signal>
<signal name="DPP1">
<contactref element="UART" pad="D+"/>
<contactref element="USB_LINE_R3" pad="2"/>
</signal>
<signal name="DMM1">
<contactref element="UART" pad="D-"/>
<contactref element="USB_LINE_R4" pad="2"/>
</signal>
<signal name="DDM1">
<contactref element="USB_LINE_R4" pad="1"/>
<contactref element="FT232R" pad="16"/>
</signal>
<signal name="DDP1">
<contactref element="USB_LINE_R3" pad="1"/>
<contactref element="FT232R" pad="15"/>
</signal>
<signal name="TX_LED">
<contactref element="FT232R" pad="23"/>
<contactref element="TX" pad="C"/>
</signal>
<signal name="TXLED2R">
<contactref element="TX" pad="A"/>
<contactref element="TX_R" pad="1"/>
</signal>
<signal name="RXLED2R">
<contactref element="RX" pad="A"/>
<contactref element="RX_R" pad="1"/>
</signal>
<signal name="RX_LED">
<contactref element="RX" pad="C"/>
<contactref element="FT232R" pad="22"/>
</signal>
<signal name="MISO">
<contactref element="MISO_R" pad="1"/>
<contactref element="SPI" pad="3"/>
<contactref element="8MB_FLASH" pad="5"/>
</signal>
<signal name="SPCK">
<contactref element="8MB_FLASH" pad="6"/>
<contactref element="SPCK_R" pad="1"/>
<contactref element="SPI" pad="5"/>
</signal>
<signal name="MOSI">
<contactref element="MOSI_R" pad="1"/>
<contactref element="SPI" pad="4"/>
<contactref element="8MB_FLASH" pad="2"/>
</signal>
<signal name="SPCK2R">
<contactref element="ATSAM4S4B" pad="21"/>
<contactref element="SPCK_R" pad="2"/>
</signal>
<signal name="MOSI2R">
<contactref element="ATSAM4S4B" pad="22"/>
<contactref element="MOSI_R" pad="2"/>
</signal>
<signal name="MISO2R">
<contactref element="ATSAM4S4B" pad="27"/>
<contactref element="MISO_R" pad="2"/>
</signal>
<signal name="DAC1">
<contactref element="ATSAM4S4B" pad="63"/>
<contactref element="ADC/DAC" pad="P$2"/>
</signal>
<signal name="AD4">
<contactref element="ATSAM4S4B" pad="3"/>
<contactref element="ADC/DAC" pad="P$4"/>
</signal>
<signal name="AD5">
<contactref element="ATSAM4S4B" pad="4"/>
<contactref element="ADC/DAC" pad="P$6"/>
</signal>
<signal name="UART1_RX">
<contactref element="ATSAM4S4B" pad="5"/>
<contactref element="FT232R" pad="5"/>
</signal>
<signal name="UART1_TX">
<contactref element="ATSAM4S4B" pad="6"/>
<contactref element="FT232R" pad="1"/>
</signal>
<signal name="MCDA0">
<contactref element="ATSAM4S4B" pad="42"/>
<contactref element="MICROSD" pad="PIN7"/>
</signal>
<signal name="MCCK">
<contactref element="ATSAM4S4B" pad="41"/>
<contactref element="MICROSD" pad="PIN5"/>
</signal>
<signal name="MCCDA">
<contactref element="ATSAM4S4B" pad="38"/>
<contactref element="MICROSD" pad="PIN3"/>
</signal>
<signal name="MCDA2">
<contactref element="ATSAM4S4B" pad="26"/>
<contactref element="MICROSD" pad="PIN1"/>
</signal>
<signal name="MCDA1">
<contactref element="ATSAM4S4B" pad="52"/>
<contactref element="MICROSD" pad="PIN8"/>
</signal>
<signal name="MCDA3">
<contactref element="MICROSD" pad="PIN2"/>
<contactref element="ATSAM4S4B" pad="37"/>
</signal>
<signal name="AD0">
<contactref element="ATSAM4S4B" pad="9"/>
<contactref element="ADC" pad="6"/>
</signal>
<signal name="AD1">
<contactref element="ATSAM4S4B" pad="10"/>
<contactref element="ADC" pad="5"/>
</signal>
<signal name="AD8">
<contactref element="ATSAM4S4B" pad="11"/>
<contactref element="ADC" pad="4"/>
</signal>
<signal name="AD2">
<contactref element="ATSAM4S4B" pad="13"/>
<contactref element="ADC" pad="3"/>
</signal>
<signal name="AD9">
<contactref element="ATSAM4S4B" pad="14"/>
<contactref element="ADC" pad="2"/>
</signal>
<signal name="AD3">
<contactref element="ATSAM4S4B" pad="16"/>
<contactref element="ADC" pad="1"/>
</signal>
<signal name="R2ONLED">
<contactref element="VDDLED_R" pad="1"/>
<contactref element="VDD" pad="A"/>
</signal>
<signal name="TWD1">
<contactref element="TWI" pad="6"/>
<contactref element="ATSAM4S4B" pad="49"/>
</signal>
<signal name="TWD0">
<contactref element="ATSAM4S4B" pad="36"/>
<contactref element="TWI" pad="4"/>
</signal>
<signal name="TWCK1">
<contactref element="ATSAM4S4B" pad="33"/>
<contactref element="TWI" pad="3"/>
</signal>
<signal name="TWCK0">
<contactref element="ATSAM4S4B" pad="43"/>
<contactref element="TWI" pad="5"/>
</signal>
<signal name="PA16">
<contactref element="GPIO" pad="1"/>
<contactref element="ATSAM4S4B" pad="19"/>
</signal>
<signal name="PA15">
<contactref element="GPIO" pad="2"/>
<contactref element="ATSAM4S4B" pad="20"/>
</signal>
<signal name="PA11">
<contactref element="GPIO" pad="4"/>
<contactref element="ATSAM4S4B" pad="28"/>
</signal>
<signal name="PA10">
<contactref element="GPIO" pad="5"/>
<contactref element="ATSAM4S4B" pad="29"/>
</signal>
<signal name="PA9">
<contactref element="GPIO" pad="6"/>
<contactref element="ATSAM4S4B" pad="30"/>
</signal>
<signal name="PA24">
<contactref element="ATSAM4S4B" pad="23"/>
<contactref element="GPIO" pad="3"/>
</signal>
</signals>
</board>
</drawing>
</eagle>
