C:\Users\Ryota\Documents\GitHub\ai03-pcb-guide\ai03-pcb-guide.sch 1/7/2019 9:46:11 PM Eeschema (5.0.0) <company/> <rev/> <date/> <source>ai03-pcb-guide.sch</source> <comment number="1" value=""/> <comment number="2" value=""/> <comment number="3" value=""/> <comment number="4" value=""/> </title_block> </sheet> </design> <components> <comp ref="U1"> <value>ATmega32U4-AU</value> <footprint>Housings_QFP:TQFP-44_10x10mm_Pitch0.8mm</footprint> <datasheet>http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf</datasheet> <libsource lib="MCU_Microchip_ATmega" part="ATmega32U4-AU" description="16MHz, 32kB Flash, 2.5kB SRAM, 1kB EEPROM, USB 2.0, TQFP-44"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C33F15A</tstamp> </comp> <comp ref="R4"> <value>10k</value> <footprint>Resistors_SMD:R_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="R_Small" description="Resistor, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C33F45C</tstamp> </comp> <comp ref="R2"> <value>22</value> <footprint>Resistors_SMD:R_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="R_Small" description="Resistor, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C33F6F4</tstamp> </comp> <comp ref="R3"> <value>22</value> <footprint>Resistors_SMD:R_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="R_Small" description="Resistor, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C33F726</tstamp> </comp> <comp ref="C3"> <value>1uF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C33FC0C</tstamp> </comp> <comp ref="C5"> <value>0.1uF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C340030</tstamp> </comp> <comp ref="C6"> <value>0.1uF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C340116</tstamp> </comp> <comp ref="C7"> <value>10uF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C340158</tstamp> </comp> <comp ref="C4"> <value>0.1uF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C3401A2</tstamp> </comp> <comp ref="Y1"> <value>16MHz</value> <footprint>Crystals:Crystal_SMD_3225-4pin_3.2x2.5mm</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="Crystal_GND24_Small" description="Four pin crystal, two ground/package pins (pin2 and 4) small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C341379</tstamp> </comp> <comp ref="C1"> <value>22pF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C341D22</tstamp> </comp> <comp ref="C2"> <value>22pF</value> <footprint>Capacitors_SMD:C_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="C_Small" description="Unpolarized capacitor"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C341D98</tstamp> </comp> <comp ref="SW1"> <value>SW_Push</value> <footprint>random-keyboard-parts:SKQG-1155865</footprint> <libsource lib="Switch" part="SW_Push" description="Push button switch, generic, two pins"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C3455FB</tstamp> </comp> <comp ref="R1"> <value>10k</value> <footprint>Resistors_SMD:R_0805</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="R_Small" description="Resistor, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C3466FD</tstamp> </comp> <comp ref="USB1"> <value>Molex-0548190589</value> <footprint>random-keyboard-parts:Molex-0548190589-Assembly</footprint> <libsource lib="random-keyboard-parts" part="Molex-0548190589" description=""/> <sheetpath names="/" tstamps="/"/> <tstamp>5C3480A6</tstamp> </comp> <comp ref="F1"> <value>500mA</value> <footprint>Fuse_Holders_and_Fuses:Fuse_SMD1206_Reflow</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="Polyfuse_Small" description="resettable fuse, polymeric positive temperature coefficient (PPTC), small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C348279</tstamp> </comp> <comp ref="MX1"> <value>MX-1U</value> <footprint>MX_Alps_Hybrid:MX-1U</footprint> <libsource lib="MX_Alps_Hybrids" part="MX-1U" description=""/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34B436</tstamp> </comp> <comp ref="D1"> <value>SOD-123</value> <footprint>Diodes_SMD:D_SOD-123</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="D_Small" description="Diode, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34B4DF</tstamp> </comp> <comp ref="MX2"> <value>MX-1U</value> <footprint>MX_Alps_Hybrid:MX-1U</footprint> <libsource lib="MX_Alps_Hybrids" part="MX-1U" description=""/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34C49C</tstamp> </comp> <comp ref="D2"> <value>SOD-123</value> <footprint>Diodes_SMD:D_SOD-123</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="D_Small" description="Diode, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34C4A3</tstamp> </comp> <comp ref="MX3"> <value>MX-1U</value> <footprint>MX_Alps_Hybrid:MX-1U</footprint> <libsource lib="MX_Alps_Hybrids" part="MX-1U" description=""/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34D1F8</tstamp> </comp> <comp ref="D3"> <value>SOD-123</value> <footprint>Diodes_SMD:D_SOD-123</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="D_Small" description="Diode, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34D1FF</tstamp> </comp> <comp ref="MX4"> <value>MX-1U</value> <footprint>MX_Alps_Hybrid:MX-1U</footprint> <libsource lib="MX_Alps_Hybrids" part="MX-1U" description=""/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34D207</tstamp> </comp> <comp ref="D4"> <value>SOD-123</value> <footprint>Diodes_SMD:D_SOD-123</footprint> <datasheet>~</datasheet> <libsource lib="Device" part="D_Small" description="Diode, small symbol"/> <sheetpath names="/" tstamps="/"/> <tstamp>5C34D20E</tstamp> </comp> </components> <libparts> <libpart lib="Device" part="C_Small"> <description>Unpolarized capacitor</description> <docs>~</docs> <footprints> <fp>C_*</fp> </footprints> <fields> <field name="Reference">C</field> <field name="Value">C_Small</field> </fields> <pins> <pin num="1" name="~" type="passive"/> <pin num="2" name="~" type="passive"/> </pins> </libpart> <libpart lib="Device" part="Crystal_GND24_Small"> <description>Four pin crystal, two ground/package pins (pin2 and 4) small symbol</description> <docs>~</docs> <footprints> <fp>Crystal*</fp> </footprints> <fields> <field name="Reference">Y</field> <field name="Value">Crystal_GND24_Small</field> </fields> <pins> <pin num="1" name="1" type="passive"/> <pin num="2" name="2" type="passive"/> <pin num="3" name="3" type="passive"/> <pin num="4" name="4" type="passive"/> </pins> </libpart> <libpart lib="Device" part="D_Small"> <description>Diode, small symbol</description> <docs>~</docs> <footprints> <fp>TO-???*</fp> <fp>*_Diode_*</fp> <fp>*SingleDiode*</fp> <fp>D_*</fp> </footprints> <fields> <field name="Reference">D</field> <field name="Value">D_Small</field> </fields> <pins> <pin num="1" name="K" type="passive"/> <pin num="2" name="A" type="passive"/> </pins> </libpart> <libpart lib="Device" part="Polyfuse_Small"> <description>resettable fuse, polymeric positive temperature coefficient (PPTC), small symbol</description> <docs>~</docs> <footprints> <fp>*polyfuse*</fp> <fp>*PTC*</fp> </footprints> <fields> <field name="Reference">F</field> <field name="Value">Polyfuse_Small</field> </fields> <pins> <pin num="1" name="~" type="passive"/> <pin num="2" name="~" type="passive"/> </pins> </libpart> <libpart lib="Device" part="R_Small"> <description>Resistor, small symbol</description> <docs>~</docs> <footprints> <fp>R_*</fp> </footprints> <fields> <field name="Reference">R</field> <field name="Value">R_Small</field> </fields> <pins> <pin num="1" name="~" type="passive"/> <pin num="2" name="~" type="passive"/> </pins> </libpart> <libpart lib="MCU_Microchip_ATmega" part="ATmega16U4-AU"> <aliases> <alias>ATmega16U4RC-AU</alias> <alias>ATmega32U4-AU</alias> <alias>ATmega32U4RC-AU</alias> </aliases> <description>16MHz, 16kB Flash, 1.25kB SRAM, 512B EEPROM, USB 2.0, TQFP-44</description> <docs>http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-7766-8-bit-AVR-ATmega16U4-32U4_Datasheet.pdf</docs> <footprints> <fp>TQFP*10x10mm*P0.8mm*</fp> </footprints> <fields> <field name="Reference">U</field> <field name="Value">ATmega16U4-AU</field> <field name="Footprint">Package_QFP:TQFP-44_10x10mm_P0.8mm</field> </fields> <pins> <pin num="1" name="PE6" type="BiDi"/> <pin num="2" name="UVCC" type="power_in"/> <pin num="3" name="D-" type="BiDi"/> <pin num="4" name="D+" type="BiDi"/> <pin num="5" name="UGND" type="passive"/> <pin num="6" name="UCAP" type="passive"/> <pin num="7" name="VBUS" type="passive"/> <pin num="8" name="PB0" type="BiDi"/> <pin num="9" name="PB1" type="BiDi"/> <pin num="10" name="PB2" type="BiDi"/> <pin num="11" name="PB3" type="BiDi"/> <pin num="12" name="PB7" type="BiDi"/> <pin num="13" name="~RESET" type="input"/> <pin num="14" name="VCC" type="power_in"/> <pin num="15" name="GND" type="power_in"/> <pin num="16" name="XTAL2" type="output"/> <pin num="17" name="XTAL1" type="input"/> <pin num="18" name="PD0" type="BiDi"/> <pin num="19" name="PD1" type="BiDi"/> <pin num="20" name="PD2" type="BiDi"/> <pin num="21" name="PD3" type="BiDi"/> <pin num="22" name="PD5" type="BiDi"/> <pin num="23" name="GND" type="passive"/> <pin num="24" name="AVCC" type="power_in"/> <pin num="25" name="PD4" type="BiDi"/> <pin num="26" name="PD6" type="BiDi"/> <pin num="27" name="PD7" type="BiDi"/> <pin num="28" name="PB4" type="BiDi"/> <pin num="29" name="PB5" type="BiDi"/> <pin num="30" name="PB6" type="BiDi"/> <pin num="31" name="PC6" type="BiDi"/> <pin num="32" name="PC7" type="BiDi"/> <pin num="33" name="~HWB~/PE2" type="BiDi"/> <pin num="34" name="VCC" type="passive"/> <pin num="35" name="GND" type="passive"/> <pin num="36" name="PF7" type="BiDi"/> <pin num="37" name="PF6" type="BiDi"/> <pin num="38" name="PF5" type="BiDi"/> <pin num="39" name="PF4" type="BiDi"/> <pin num="40" name="PF1" type="BiDi"/> <pin num="41" name="PF0" type="BiDi"/> <pin num="42" name="AREF" type="input"/> <pin num="43" name="GND" type="passive"/> <pin num="44" name="AVCC" type="passive"/> </pins> </libpart> <libpart lib="MX_Alps_Hybrids" part="MX-1U"> <fields> <field name="Reference">MX</field> <field name="Value">MX-1U</field> </fields> <pins> <pin num="1" name="COL" type="passive"/> <pin num="2" name="ROW" type="passive"/> <pin num="3" name="LED" type="passive"/> <pin num="4" name="LEDGND" type="passive"/> </pins> </libpart> <libpart lib="Switch" part="SW_Push"> <description>Push button switch, generic, two pins</description> <fields> <field name="Reference">SW</field> <field name="Value">SW_Push</field> </fields> <pins> <pin num="1" name="1" type="passive"/> <pin num="2" name="2" type="passive"/> </pins> </libpart> <libpart lib="random-keyboard-parts" part="Molex-0548190589"> <fields> <field name="Reference">USB</field> <field name="Value">Molex-0548190589</field> </fields> <pins> <pin num="1" name="GND" type="input"/> <pin num="2" name="ID" type="input"/> <pin num="3" name="D+" type="input"/> <pin num="4" name="D-" type="input"/> <pin num="5" name="VBUS" type="input"/> </pins> </libpart> </libparts> <libraries> <library logical="Device"> <uri>C:\Program Files\KiCad\share\kicad\library/Device.lib</uri> </library> <library logical="MCU_Microchip_ATmega"> <uri>C:\Program Files\KiCad\share\kicad\library/MCU_Microchip_ATmega.lib</uri> </library> <library logical="MX_Alps_Hybrids"> <uri>C:\Users\Ryota\Documents\GitHub\ai03-pcb-guide/MX_Alps_Hybrid.pretty/Schematic Library/MX_Alps_Hybrids.lib</uri> </library> <library logical="Switch"> <uri>C:\Program Files\KiCad\share\kicad\library/Switch.lib</uri> </library> <library logical="random-keyboard-parts"> <uri>C:\Users\Ryota\Documents\GitHub\ai03-pcb-guide/random-keyboard-parts.pretty/Schematic Library/random-keyboard-parts.lib</uri> </library> </libraries> <nets> <net code="1" name="D-"> <node ref="R3" pin="2"/> <node ref="USB1" pin="4"/> </net> <net code="2" name="GND"> <node ref="C4" pin="2"/> <node ref="U1" pin="23"/> <node ref="U1" pin="15"/> <node ref="U1" pin="5"/> <node ref="U1" pin="43"/> <node ref="U1" pin="35"/> <node ref="Y1" pin="4"/> <node ref="SW1" pin="1"/> <node ref="R4" pin="1"/> <node ref="C7" pin="2"/> <node ref="C6" pin="2"/> <node ref="C5" pin="2"/> <node ref="C3" pin="2"/> <node ref="Y1" pin="2"/> <node ref="C2" pin="2"/> <node ref="USB1" pin="1"/> <node ref="C1" pin="2"/> </net> <net code="3" name="Net-(R1-Pad2)"> <node ref="SW1" pin="2"/> <node ref="R1" pin="2"/> <node ref="U1" pin="13"/> </net> <net code="4" name="+5V"> <node ref="F1" pin="1"/> <node ref="U1" pin="7"/> <node ref="C4" pin="1"/> <node ref="U1" pin="44"/> <node ref="U1" pin="34"/> <node ref="U1" pin="24"/> <node ref="U1" pin="2"/> <node ref="U1" pin="14"/> <node ref="R1" pin="1"/> <node ref="C7" pin="1"/> <node ref="C6" pin="1"/> <node ref="C5" pin="1"/> </net> <net code="5" name="Net-(USB1-Pad2)"> <node ref="USB1" pin="2"/> </net> <net code="6" name="VCC"> <node ref="USB1" pin="5"/> <node ref="F1" pin="2"/> </net> <net code="7" name="Net-(C1-Pad1)"> <node ref="U1" pin="17"/> <node ref="Y1" pin="1"/> <node ref="C1" pin="1"/> </net> <net code="8" name="Net-(C2-Pad1)"> <node ref="C2" pin="1"/> <node ref="U1" pin="16"/> <node ref="Y1" pin="3"/> </net> <net code="9" name="COL0"> <node ref="MX3" pin="1"/> <node ref="MX1" pin="1"/> <node ref="U1" pin="29"/> </net> <net code="10" name="COL1"> <node ref="MX4" pin="1"/> <node ref="MX2" pin="1"/> <node ref="U1" pin="28"/> </net> <net code="11" name="Net-(MX4-Pad3)"> <node ref="MX4" pin="3"/> </net> <net code="12" name="Net-(MX4-Pad4)"> <node ref="MX4" pin="4"/> </net> <net code="13" name="ROW1"> <node ref="D3" pin="1"/> <node ref="D4" pin="1"/> <node ref="U1" pin="30"/> </net> <net code="14" name="Net-(D4-Pad2)"> <node ref="MX4" pin="2"/> <node ref="D4" pin="2"/> </net> <net code="15" name="ROW0"> <node ref="U1" pin="27"/> <node ref="D2" pin="1"/> <node ref="D1" pin="1"/> </net> <net code="16" name="Net-(D3-Pad2)"> <node ref="MX3" pin="2"/> <node ref="D3" pin="2"/> </net> <net code="17" name="Net-(MX1-Pad3)"> <node ref="MX1" pin="3"/> </net> <net code="18" name="Net-(MX1-Pad4)"> <node ref="MX1" pin="4"/> </net> <net code="19" name="Net-(D1-Pad2)"> <node ref="D1" pin="2"/> <node ref="MX1" pin="2"/> </net> <net code="20" name="Net-(MX2-Pad3)"> <node ref="MX2" pin="3"/> </net> <net code="21" name="Net-(MX2-Pad4)"> <node ref="MX2" pin="4"/> </net> <net code="22" name="Net-(D2-Pad2)"> <node ref="MX2" pin="2"/> <node ref="D2" pin="2"/> </net> <net code="23" name="Net-(MX3-Pad3)"> <node ref="MX3" pin="3"/> </net> <net code="24" name="Net-(MX3-Pad4)"> <node ref="MX3" pin="4"/> </net> <net code="25" name="Net-(U1-Pad36)"> <node ref="U1" pin="36"/> </net> <net code="26" name="Net-(U1-Pad37)"> <node ref="U1" pin="37"/> </net> <net code="27" name="Net-(U1-Pad38)"> <node ref="U1" pin="38"/> </net> <net code="28" name="Net-(U1-Pad39)"> <node ref="U1" pin="39"/> </net> <net code="29" name="Net-(U1-Pad40)"> <node ref="U1" pin="40"/> </net> <net code="30" name="Net-(U1-Pad41)"> <node ref="U1" pin="41"/> </net> <net code="31" name="Net-(U1-Pad42)"> <node ref="U1" pin="42"/> </net> <net code="32" name="Net-(U1-Pad8)"> <node ref="U1" pin="8"/> </net> <net code="33" name="Net-(U1-Pad9)"> <node ref="U1" pin="9"/> </net> <net code="34" name="Net-(U1-Pad22)"> <node ref="U1" pin="22"/> </net> <net code="35" name="Net-(U1-Pad10)"> <node ref="U1" pin="10"/> </net> <net code="36" name="Net-(U1-Pad11)"> <node ref="U1" pin="11"/> </net> <net code="37" name="Net-(U1-Pad12)"> <node ref="U1" pin="12"/> </net> <net code="38" name="Net-(U1-Pad18)"> <node ref="U1" pin="18"/> </net> <net code="39" name="Net-(U1-Pad19)"> <node ref="U1" pin="19"/> </net> <net code="40" name="Net-(U1-Pad20)"> <node ref="U1" pin="20"/> </net> <net code="41" name="Net-(U1-Pad21)"> <node ref="U1" pin="21"/> </net> <net code="42" name="Net-(U1-Pad25)"> <node ref="U1" pin="25"/> </net> <net code="43" name="Net-(U1-Pad26)"> <node ref="U1" pin="26"/> </net> <net code="44" name="Net-(U1-Pad31)"> <node ref="U1" pin="31"/> </net> <net code="45" name="Net-(U1-Pad32)"> <node ref="U1" pin="32"/> </net> <net code="46" name="Net-(R4-Pad2)"> <node ref="R4" pin="2"/> <node ref="U1" pin="33"/> </net> <net code="47" name="Net-(R2-Pad1)"> <node ref="R2" pin="1"/> <node ref="U1" pin="4"/> </net> <net code="48" name="D+"> <node ref="USB1" pin="3"/> <node ref="R2" pin="2"/> </net> <net code="49" name="Net-(R3-Pad1)"> <node ref="R3" pin="1"/> <node ref="U1" pin="3"/> </net> <net code="50" name="Net-(U1-Pad1)"> <node ref="U1" pin="1"/> </net> <net code="51" name="Net-(C3-Pad1)"> <node ref="C3" pin="1"/> <node ref="U1" pin="6"/> </net> </nets> </export>