path: root/zero1541.net

(export (version D)
  (design
    (source /home/matt/projects/hardware/zero1541/zero1541.sch)
    (date "Tue 04 Aug 2020 04:53:43 PM EDT")
    (tool "Eeschema 5.0.2-bee76a0~70~ubuntu18.04.1")
    (sheet (number 1) (name /) (tstamps /)
      (title_block
        (title "Zero 1541")
        (company)
        (rev 1)
        (date)
        (source zero1541.sch)
        (comment (number 1) (value https://github.com/hackup/Pi1541io))
        (comment (number 2) (value "Based on the work by hackup (Christian G)"))
        (comment (number 3) (value "Pi Zero sized hat by Matt Kohls"))
        (comment (number 4) (value "Creative Commons Attribution - ShareAlike 4.0 International")))))
  (components
    (comp (ref J1)
      (value "Raspberry Pi Header")
      (footprint Connectors-Sparkfun:2X20)
      (datasheet ~)
      (libsource (lib Connector_Generic) (part Conn_02x20_Odd_Even) (description "Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/)"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1ECAD7))
    (comp (ref J7)
      (value IEC1)
      (footprint DIN-Connector:DIN-6)
      (datasheet http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf)
      (libsource (lib Connector) (part DIN-6) (description "6-pin DIN connector"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1ECBD0))
    (comp (ref J11)
      (value IEC2)
      (footprint DIN-Connector:DIN-6)
      (datasheet http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf)
      (libsource (lib Connector) (part DIN-6) (description "6-pin DIN connector"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1ECC96))
    (comp (ref SW6)
      (value Reset)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1ED3F4))
    (comp (ref R5)
      (value 220)
      (footprint Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1F7BB5))
    (comp (ref R4)
      (value 220)
      (footprint Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1F7CAC))
    (comp (ref D2)
      (value PWR)
      (footprint LED_THT:LED_D5.0mm)
      (datasheet ~)
      (libsource (lib Device) (part LED) (description "Light emitting diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1F7D67))
    (comp (ref D1)
      (value Activity)
      (footprint LED_THT:LED_D5.0mm)
      (datasheet ~)
      (libsource (lib Device) (part LED) (description "Light emitting diode"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1F7ED4))
    (comp (ref SW5)
      (value Next)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F225CAF))
    (comp (ref SW1)
      (value Exit)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F22F39C))
    (comp (ref SW2)
      (value Reset/Select)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F22F42C))
    (comp (ref SW3)
      (value Previous)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F22F483))
    (comp (ref SW4)
      (value Insert)
      (footprint Switches:TACTILE_SWITCH_PTH_6.0MM)
      (libsource (lib Switch) (part SW_Push) (description "Push button switch, generic, two pins"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F22F4D1))
    (comp (ref LS1)
      (value Speaker_Crystal)
      (footprint Connectors-Sparkfun:1X02)
      (datasheet ~)
      (libsource (lib Device) (part Speaker_Crystal) (description "Crystal speaker/transducer"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F24300B))
    (comp (ref JP1)
      (value SPK_EN)
      (footprint Jumpers:SMT-JUMPER_2_NC_TRACE_SILK)
      (datasheet ~)
      (libsource (lib Device) (part Jumper_NC_Small) (description "Jumper, normally closed, small symbol"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F243406))
    (comp (ref R1)
      (value 1K)
      (footprint Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F255BCF))
    (comp (ref R2)
      (value 1K)
      (footprint Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F255C64))
    (comp (ref R3)
      (value 1K)
      (footprint Resistor_THT:R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal)
      (datasheet ~)
      (libsource (lib Device) (part R) (description Resistor))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F255CDC))
    (comp (ref C1)
      (value 100n)
      (footprint Capacitors:CAP-PTH-2.54)
      (datasheet ~)
      (libsource (lib Device) (part C) (description "Unpolarized capacitor"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F26A1D7))
    (comp (ref U2)
      (value TXS0108E)
      (footprint digikey-footprints:TSSOP-20_W4.4mm)
      (libsource (lib hackup) (part TXS0108E) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F28D6EF))
    (comp (ref U1)
      (value 74LS06)
      (footprint Silicon-Standard:DIP14)
      (datasheet http://www.ti.com/lit/gpn/sn74LS06)
      (libsource (lib 74xx) (part 74LS06) (description "Inverter Open Collect"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F28DAF3))
    (comp (ref J8)
      (value Power)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DDEEE))
    (comp (ref J9)
      (value SDA)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DDFB4))
    (comp (ref J10)
      (value SCL)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DE04D))
    (comp (ref J13)
      (value PWR/GND)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DE0DB))
    (comp (ref J12)
      (value PWR/GND)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DE18A))
    (comp (ref J14)
      (value I2C)
      (footprint Connectors-Sparkfun:1X04)
      (datasheet ~)
      (libsource (lib conn) (part Conn_01x04) (description "Generic connector, single row, 01x04"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F3DE4B8))
    (comp (ref J6)
      (value SRQ)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F4DA96E))
    (comp (ref J5)
      (value ATN)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F4DAA72))
    (comp (ref J4)
      (value CLK)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F4DAB0F))
    (comp (ref J3)
      (value DATA)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F4DABA9))
    (comp (ref J2)
      (value RESET)
      (footprint Jumpers:SMT-JUMPER_3_NO_NO-SILK)
      (libsource (lib conn) (part GS3) (description "3-pin jumper/solder bridge"))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F4DAC48)))
  (libparts
    (libpart (lib 74xx) (part 74LS05)
      (aliases
        (alias 74LS06)
        (alias 74LS06N))
      (description "Inverter Open Collect")
      (docs http://www.ti.com/lit/gpn/sn74LS05)
      (footprints
        (fp DIP?14*))
      (fields
        (field (name Reference) U)
        (field (name Value) 74LS05))
      (pins
        (pin (num 1) (name ~) (type input))
        (pin (num 2) (name ~) (type openCol))
        (pin (num 3) (name ~) (type input))
        (pin (num 4) (name ~) (type openCol))
        (pin (num 5) (name ~) (type input))
        (pin (num 6) (name ~) (type openCol))
        (pin (num 7) (name GND) (type power_in))
        (pin (num 8) (name ~) (type openCol))
        (pin (num 9) (name ~) (type input))
        (pin (num 10) (name ~) (type openCol))
        (pin (num 11) (name ~) (type input))
        (pin (num 12) (name ~) (type openCol))
        (pin (num 13) (name ~) (type input))
        (pin (num 14) (name VCC) (type power_in))))
    (libpart (lib Connector) (part DIN-6)
      (description "6-pin DIN connector")
      (docs http://www.mouser.com/ds/2/18/40_c091_abd_e-75918.pdf)
      (footprints
        (fp DIN*))
      (fields
        (field (name Reference) J)
        (field (name Value) DIN-6))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))
        (pin (num 3) (name ~) (type passive))
        (pin (num 4) (name ~) (type passive))
        (pin (num 5) (name ~) (type passive))
        (pin (num 6) (name ~) (type passive))))
    (libpart (lib Connector_Generic) (part Conn_02x20_Odd_Even)
      (description "Generic connector, double row, 02x20, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/)")
      (docs ~)
      (footprints
        (fp Connector*:*_2x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_02x20_Odd_Even))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))
        (pin (num 5) (name Pin_5) (type passive))
        (pin (num 6) (name Pin_6) (type passive))
        (pin (num 7) (name Pin_7) (type passive))
        (pin (num 8) (name Pin_8) (type passive))
        (pin (num 9) (name Pin_9) (type passive))
        (pin (num 10) (name Pin_10) (type passive))
        (pin (num 11) (name Pin_11) (type passive))
        (pin (num 12) (name Pin_12) (type passive))
        (pin (num 13) (name Pin_13) (type passive))
        (pin (num 14) (name Pin_14) (type passive))
        (pin (num 15) (name Pin_15) (type passive))
        (pin (num 16) (name Pin_16) (type passive))
        (pin (num 17) (name Pin_17) (type passive))
        (pin (num 18) (name Pin_18) (type passive))
        (pin (num 19) (name Pin_19) (type passive))
        (pin (num 20) (name Pin_20) (type passive))
        (pin (num 21) (name Pin_21) (type passive))
        (pin (num 22) (name Pin_22) (type passive))
        (pin (num 23) (name Pin_23) (type passive))
        (pin (num 24) (name Pin_24) (type passive))
        (pin (num 25) (name Pin_25) (type passive))
        (pin (num 26) (name Pin_26) (type passive))
        (pin (num 27) (name Pin_27) (type passive))
        (pin (num 28) (name Pin_28) (type passive))
        (pin (num 29) (name Pin_29) (type passive))
        (pin (num 30) (name Pin_30) (type passive))
        (pin (num 31) (name Pin_31) (type passive))
        (pin (num 32) (name Pin_32) (type passive))
        (pin (num 33) (name Pin_33) (type passive))
        (pin (num 34) (name Pin_34) (type passive))
        (pin (num 35) (name Pin_35) (type passive))
        (pin (num 36) (name Pin_36) (type passive))
        (pin (num 37) (name Pin_37) (type passive))
        (pin (num 38) (name Pin_38) (type passive))
        (pin (num 39) (name Pin_39) (type passive))
        (pin (num 40) (name Pin_40) (type passive))))
    (libpart (lib Device) (part C)
      (description "Unpolarized capacitor")
      (docs ~)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part Jumper_NC_Small)
      (description "Jumper, normally closed, small symbol")
      (docs ~)
      (fields
        (field (name Reference) JP)
        (field (name Value) Jumper_NC_Small))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib Device) (part LED)
      (description "Light emitting diode")
      (docs ~)
      (footprints
        (fp LED*)
        (fp LED_SMD:*)
        (fp LED_THT:*))
      (fields
        (field (name Reference) D)
        (field (name Value) LED))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Device) (part R)
      (description Resistor)
      (docs ~)
      (footprints
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Device) (part Speaker_Crystal)
      (aliases
        (alias Speaker_Ultrasound))
      (description "Crystal speaker/transducer")
      (docs ~)
      (fields
        (field (name Reference) LS)
        (field (name Value) Speaker_Crystal))
      (pins
        (pin (num 1) (name 1) (type input))
        (pin (num 2) (name 2) (type input))))
    (libpart (lib Switch) (part SW_Push)
      (description "Push button switch, generic, two pins")
      (fields
        (field (name Reference) SW)
        (field (name Value) SW_Push))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib conn) (part Conn_01x04)
      (description "Generic connector, single row, 01x04")
      (docs ~)
      (footprints
        (fp Connector*:*_??x*mm*)
        (fp Connector*:*1x??x*mm*)
        (fp Pin?Header?Straight?1X*)
        (fp Pin?Header?Angled?1X*)
        (fp Socket?Strip?Straight?1X*)
        (fp Socket?Strip?Angled?1X*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x04))
      (pins
        (pin (num 1) (name Pin_1) (type passive))
        (pin (num 2) (name Pin_2) (type passive))
        (pin (num 3) (name Pin_3) (type passive))
        (pin (num 4) (name Pin_4) (type passive))))
    (libpart (lib conn) (part GS3)
      (description "3-pin jumper/solder bridge")
      (footprints
        (fp GS*))
      (fields
        (field (name Reference) J)
        (field (name Value) GS3)
        (field (name Footprint) Connectors:GS3))
      (pins
        (pin (num 1) (name G1) (type passive))
        (pin (num 2) (name G2) (type passive))
        (pin (num 3) (name G3) (type passive))))
    (libpart (lib hackup) (part TXS0108E)
      (fields
        (field (name Reference) U)
        (field (name Value) TXS0108E))
      (pins
        (pin (num 1) (name A1) (type BiDi))
        (pin (num 2) (name VccA) (type power_in))
        (pin (num 3) (name A2) (type BiDi))
        (pin (num 4) (name A3) (type BiDi))
        (pin (num 5) (name A4) (type BiDi))
        (pin (num 6) (name A5) (type BiDi))
        (pin (num 7) (name A6) (type BiDi))
        (pin (num 8) (name A7) (type BiDi))
        (pin (num 9) (name A8) (type BiDi))
        (pin (num 10) (name OE) (type power_in))
        (pin (num 11) (name GND) (type power_in))
        (pin (num 12) (name B8) (type BiDi))
        (pin (num 13) (name B7) (type BiDi))
        (pin (num 14) (name B6) (type BiDi))
        (pin (num 15) (name B5) (type BiDi))
        (pin (num 16) (name B4) (type BiDi))
        (pin (num 17) (name B3) (type BiDi))
        (pin (num 18) (name B2) (type BiDi))
        (pin (num 19) (name VccB) (type power_in))
        (pin (num 20) (name B1) (type BiDi)))))
  (libraries
    (library (logical 74xx)
      (uri /usr/share/kicad/library/74xx.lib))
    (library (logical Connector)
      (uri /usr/share/kicad/library/Connector.lib))
    (library (logical Connector_Generic)
      (uri /usr/share/kicad/library/Connector_Generic.lib))
    (library (logical Device)
      (uri /usr/share/kicad/library/Device.lib))
    (library (logical Switch)
      (uri /usr/share/kicad/library/Switch.lib))
    (library (logical conn)
      (uri /home/matt/projects/hardware/zero1541/lib/conn.lib))
    (library (logical hackup)
      (uri /home/matt/projects/hardware/zero1541/lib/hackup.lib)))
  (nets
    (net (code 1) (name SRQ_BD)
      (node (ref J6) (pin 1))
      (node (ref J1) (pin 35))
      (node (ref U1) (pin 5)))
    (net (code 2) (name CLK_BD)
      (node (ref J4) (pin 1))
      (node (ref J1) (pin 11))
      (node (ref U1) (pin 3)))
    (net (code 3) (name DATA_BD)
      (node (ref U1) (pin 1))
      (node (ref J1) (pin 12))
      (node (ref J3) (pin 1)))
    (net (code 4) (name ATN)
      (node (ref J7) (pin 3))
      (node (ref U2) (pin 16))
      (node (ref J11) (pin 3)))
    (net (code 5) (name GND)
      (node (ref J1) (pin 20))
      (node (ref J1) (pin 25))
      (node (ref J1) (pin 30))
      (node (ref J12) (pin 3))
      (node (ref SW6) (pin 2))
      (node (ref J11) (pin 2))
      (node (ref SW3) (pin 1))
      (node (ref SW1) (pin 1))
      (node (ref SW5) (pin 2))
      (node (ref SW4) (pin 1))
      (node (ref J1) (pin 9))
      (node (ref J7) (pin 2))
      (node (ref J1) (pin 6))
      (node (ref J1) (pin 39))
      (node (ref J13) (pin 3))
      (node (ref J1) (pin 34))
      (node (ref J1) (pin 14))
      (node (ref D2) (pin 1))
      (node (ref D1) (pin 1))
      (node (ref SW2) (pin 1))
      (node (ref U2) (pin 11))
      (node (ref LS1) (pin 2))
      (node (ref U1) (pin 7))
      (node (ref C1) (pin 2)))
    (net (code 6) (name +5V)
      (node (ref R3) (pin 1))
      (node (ref J8) (pin 3))
      (node (ref C1) (pin 1))
      (node (ref J1) (pin 4))
      (node (ref J1) (pin 2))
      (node (ref R2) (pin 1))
      (node (ref R1) (pin 1))
      (node (ref U2) (pin 19))
      (node (ref U1) (pin 14)))
    (net (code 7) (name +3V3)
      (node (ref J1) (pin 1))
      (node (ref J1) (pin 17))
      (node (ref R5) (pin 1))
      (node (ref U2) (pin 2))
      (node (ref U2) (pin 10))
      (node (ref J8) (pin 1)))
    (net (code 8) (name CLK)
      (node (ref R2) (pin 2))
      (node (ref U1) (pin 4))
      (node (ref J11) (pin 4))
      (node (ref J7) (pin 4))
      (node (ref U2) (pin 17)))
    (net (code 9) (name "Net-(J1-Pad29)")
      (node (ref J1) (pin 29))
      (node (ref SW4) (pin 2)))
    (net (code 10) (name "Net-(JP1-Pad1)")
      (node (ref JP1) (pin 1))
      (node (ref LS1) (pin 1)))
    (net (code 11) (name "Net-(J1-Pad33)")
      (node (ref JP1) (pin 2))
      (node (ref J1) (pin 33)))
    (net (code 12) (name "Net-(J1-Pad15)")
      (node (ref J1) (pin 15))
      (node (ref SW3) (pin 2)))
    (net (code 13) (name "Net-(J1-Pad13)")
      (node (ref SW2) (pin 2))
      (node (ref J1) (pin 13)))
    (net (code 14) (name "Net-(J1-Pad7)")
      (node (ref SW1) (pin 2))
      (node (ref J1) (pin 7)))
    (net (code 15) (name DATA)
      (node (ref J11) (pin 5))
      (node (ref J7) (pin 5))
      (node (ref U1) (pin 2))
      (node (ref U2) (pin 18))
      (node (ref R1) (pin 2)))
    (net (code 16) (name RESET)
      (node (ref SW6) (pin 1))
      (node (ref J11) (pin 6))
      (node (ref J7) (pin 6))
      (node (ref U2) (pin 20)))
    (net (code 17) (name SRQ)
      (node (ref J11) (pin 1))
      (node (ref U1) (pin 6))
      (node (ref R3) (pin 2))
      (node (ref J7) (pin 1))
      (node (ref U2) (pin 15)))
    (net (code 18) (name "Net-(J14-Pad1)")
      (node (ref J14) (pin 1))
      (node (ref J9) (pin 2)))
    (net (code 19) (name DATA_IN)
      (node (ref J3) (pin 3))
      (node (ref J1) (pin 22)))
    (net (code 20) (name DATA_3V)
      (node (ref U2) (pin 3))
      (node (ref J3) (pin 2)))
    (net (code 21) (name CLK_IN)
      (node (ref J1) (pin 37))
      (node (ref J4) (pin 3)))
    (net (code 22) (name CLK_3V)
      (node (ref U2) (pin 4))
      (node (ref J4) (pin 2)))
    (net (code 23) (name ATN_IN)
      (node (ref J1) (pin 18))
      (node (ref J5) (pin 3)))
    (net (code 24) (name ATN_3V)
      (node (ref J5) (pin 2))
      (node (ref U2) (pin 5)))
    (net (code 25) (name SRQ_IN)
      (node (ref J6) (pin 3))
      (node (ref J1) (pin 40)))
    (net (code 26) (name SRQ_3V)
      (node (ref J6) (pin 2))
      (node (ref U2) (pin 6)))
    (net (code 27) (name RESET_3V)
      (node (ref J2) (pin 2))
      (node (ref U2) (pin 1)))
    (net (code 28) (name "Net-(J10-Pad2)")
      (node (ref J10) (pin 2))
      (node (ref J14) (pin 2)))
    (net (code 29) (name "Net-(J13-Pad2)")
      (node (ref J14) (pin 4))
      (node (ref J13) (pin 2)))
    (net (code 30) (name "Net-(J12-Pad2)")
      (node (ref J14) (pin 3))
      (node (ref J12) (pin 2)))
    (net (code 31) (name "Net-(J1-Pad24)")
      (node (ref J1) (pin 24)))
    (net (code 32) (name "Net-(J1-Pad26)")
      (node (ref J1) (pin 26)))
    (net (code 33) (name "Net-(J1-Pad32)")
      (node (ref J1) (pin 32)))
    (net (code 34) (name "Net-(J1-Pad31)")
      (node (ref J1) (pin 31)))
    (net (code 35) (name "Net-(J1-Pad23)")
      (node (ref J1) (pin 23)))
    (net (code 36) (name "Net-(J1-Pad21)")
      (node (ref J1) (pin 21)))
    (net (code 37) (name "Net-(J1-Pad19)")
      (node (ref J1) (pin 19)))
    (net (code 38) (name "Net-(J1-Pad10)")
      (node (ref J1) (pin 10)))
    (net (code 39) (name "Net-(J1-Pad8)")
      (node (ref J1) (pin 8)))
    (net (code 40) (name RESET_IN)
      (node (ref J2) (pin 3))
      (node (ref J1) (pin 38)))
    (net (code 41) (name "Net-(J12-Pad1)")
      (node (ref J13) (pin 1))
      (node (ref J8) (pin 2))
      (node (ref J12) (pin 1)))
    (net (code 42) (name I2C1_SCL)
      (node (ref J2) (pin 1))
      (node (ref J1) (pin 5))
      (node (ref J10) (pin 3)))
    (net (code 43) (name I2C0_SCL)
      (node (ref J1) (pin 28))
      (node (ref J10) (pin 1)))
    (net (code 44) (name ATN_BD)
      (node (ref J9) (pin 3))
      (node (ref J5) (pin 1))
      (node (ref J1) (pin 3)))
    (net (code 45) (name I2C0_SDA)
      (node (ref J9) (pin 1))
      (node (ref J1) (pin 27)))
    (net (code 46) (name "Net-(J1-Pad16)")
      (node (ref J1) (pin 16))
      (node (ref SW5) (pin 1)))
    (net (code 47) (name "Net-(J1-Pad36)")
      (node (ref R4) (pin 2))
      (node (ref J1) (pin 36)))
    (net (code 48) (name "Net-(D1-Pad2)")
      (node (ref R4) (pin 1))
      (node (ref D1) (pin 2)))
    (net (code 49) (name "Net-(D2-Pad2)")
      (node (ref R5) (pin 2))
      (node (ref D2) (pin 2)))))