Q10_keyboard.net

(export (version D)
  (design
    (source /dev/shm/d/Q10_keyboard/Q10_keyboard.sch)
    (date "Sun 09 Aug 2020 11:41:52 AM CST")
    (tool "Eeschema 5.1.6+dfsg1-1")
    (sheet (number 1) (name /) (tstamps /)
      (title_block
        (title)
        (company)
        (rev)
        (date)
        (source Q10_keyboard.sch)
        (comment (number 1) (value ""))
        (comment (number 2) (value ""))
        (comment (number 3) (value ""))
        (comment (number 4) (value "")))))
  (components
    (comp (ref U1)
      (value STM32F103C8Tx)
      (footprint Package_QFP:LQFP-48_7x7mm_P0.5mm)
      (datasheet http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00161566.pdf)
      (libsource (lib Q10_keyboard-rescue) (part STM32F103C8Tx-MCU_ST_STM32F1) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF4C423))
    (comp (ref C2)
      (value 104)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF4F7D5))
    (comp (ref C4)
      (value 104)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF52954))
    (comp (ref C5)
      (value 10P)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF52A24))
    (comp (ref C6)
      (value 10P)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF5303C))
    (comp (ref Y1)
      (value 16M)
      (footprint Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part Crystal-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF536E0))
    (comp (ref R1)
      (value 1M)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF54065))
    (comp (ref R3)
      (value 20R)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF631AD))
    (comp (ref R2)
      (value 20R)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF64763))
    (comp (ref R4)
      (value 1.5K)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF65D7B))
    (comp (ref SW1)
      (value SW_SPDT)
      (footprint Button_Switch_SMD:SW_SPDT_PCM12)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part SW_SPDT-Switch) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF4FADB))
    (comp (ref U3)
      (value MIC5219-3.3YM5)
      (footprint Package_TO_SOT_SMD:SOT-23-5)
      (datasheet http://ww1.microchip.com/downloads/en/DeviceDoc/MIC5219-500mA-Peak-Output-LDO-Regulator-DS20006021A.pdf)
      (libsource (lib Q10_keyboard-rescue) (part MIC5219-3.3YM5-Regulator_Linear) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF59F48))
    (comp (ref C8)
      (value 470PF)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF6E7CD))
    (comp (ref U2)
      (value SRV05-4)
      (footprint Package_TO_SOT_SMD:SOT-23-6)
      (datasheet http://www.onsemi.com/pub/Collateral/SRV05-4-D.PDF)
      (libsource (lib Q10_keyboard-rescue) (part SRV05-4-Power_Protection) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF788A0))
    (comp (ref P1)
      (value USB_C_Plug_USB2.0)
      (footprint Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12)
      (datasheet https://www.usb.org/sites/default/files/documents/usb_type-c.zip)
      (libsource (lib Q10_keyboard-rescue) (part USB_C_Plug_USB2.0-Connector) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EFAD10F))
    (comp (ref J1)
      (value Conn_01x04)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part Conn_01x04-Connector_Generic) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F021C68))
    (comp (ref D1)
      (value LED)
      (footprint LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part LED_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F037AD8))
    (comp (ref R5)
      (value 1K)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F0384CB))
    (comp (ref D2)
      (value LED)
      (footprint LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part LED_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F042645))
    (comp (ref R6)
      (value 1K)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F04264B))
    (comp (ref U4)
      (value BBQ10KBD)
      (footprint "Q10_keyboard:BM14B(0.8)-24DS-0.4V(53)")
      (libsource (lib Q10_keyboard-rescue) (part BBQ10KBD-Keyboard) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F07AA5C))
    (comp (ref Q1)
      (value BSS138)
      (footprint Package_TO_SOT_SMD:SOT-23)
      (datasheet https://www.fairchildsemi.com/datasheets/BS/BSS138.pdf)
      (libsource (lib Q10_keyboard-rescue) (part BSS138-Transistor_FET) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F085AE5))
    (comp (ref R7)
      (value 1.5K)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F0DEB06))
    (comp (ref J2)
      (value Conn_01x04)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part Conn_01x04-Connector_Generic) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F16A5E4))
    (comp (ref J3)
      (value Conn_01x04)
      (footprint Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part Conn_01x04-Connector_Generic) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F1E03E0))
    (comp (ref C1)
      (value 102)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F252D50))
    (comp (ref C7)
      (value 104)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F2C90F5))
    (comp (ref C3)
      (value 103)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5EF59639))
    (comp (ref C9)
      (value 104)
      (footprint Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part C_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F423680))
    (comp (ref R8)
      (value 4k7)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F516C45))
    (comp (ref R9)
      (value 4k7)
      (footprint Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder)
      (datasheet ~)
      (libsource (lib Q10_keyboard-rescue) (part R_Small-Device) (description ""))
      (sheetpath (names /) (tstamps /))
      (tstamp 5F517B24)))
  (libparts
    (libpart (lib Q10_keyboard-rescue) (part BBQ10KBD-Keyboard)
      (fields
        (field (name Reference) U)
        (field (name Value) BBQ10KBD-Keyboard))
      (pins
        (pin (num 1) (name GND) (type power_in))
        (pin (num 2) (name MIC_VDD) (type power_in))
        (pin (num 3) (name MIC) (type output))
        (pin (num 4) (name AGND) (type power_in))
        (pin (num 5) (name GND) (type passive))
        (pin (num 6) (name ROW1) (type output))
        (pin (num 7) (name COL1) (type output))
        (pin (num 8) (name ROW2) (type output))
        (pin (num 9) (name COL2) (type output))
        (pin (num 10) (name COL3) (type output))
        (pin (num 11) (name GND) (type passive))
        (pin (num 12) (name GND) (type passive))
        (pin (num 13) (name GND) (type passive))
        (pin (num 14) (name GND) (type passive))
        (pin (num 15) (name GND) (type passive))
        (pin (num 16) (name GND) (type passive))
        (pin (num 17) (name COL4) (type output))
        (pin (num 18) (name ROW3) (type output))
        (pin (num 19) (name COL5) (type output))
        (pin (num 20) (name ROW4) (type output))
        (pin (num 21) (name ROW5) (type output))
        (pin (num 22) (name ROW6) (type output))
        (pin (num 23) (name LEDK_2_3) (type input))
        (pin (num 24) (name LEDA_3_4) (type power_in))
        (pin (num 25) (name LEDK_1_4) (type input))
        (pin (num 26) (name LEDA_1_2) (type power_in))
        (pin (num 27) (name ROW7) (type output))
        (pin (num 28) (name GND) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part BSS138-Transistor_FET)
      (footprints
        (fp SOT?23*))
      (fields
        (field (name Reference) Q)
        (field (name Value) BSS138-Transistor_FET)
        (field (name Footprint) Package_TO_SOT_SMD:SOT-23))
      (pins
        (pin (num 1) (name G) (type input))
        (pin (num 2) (name S) (type passive))
        (pin (num 3) (name D) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part C_Small-Device)
      (footprints
        (fp C_*))
      (fields
        (field (name Reference) C)
        (field (name Value) C_Small-Device))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part Conn_01x04-Connector_Generic)
      (footprints
        (fp Connector*:*_1x??_*))
      (fields
        (field (name Reference) J)
        (field (name Value) Conn_01x04-Connector_Generic))
      (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 Q10_keyboard-rescue) (part Crystal-Device)
      (footprints
        (fp Crystal*))
      (fields
        (field (name Reference) Y)
        (field (name Value) Crystal-Device))
      (pins
        (pin (num 1) (name 1) (type passive))
        (pin (num 2) (name 2) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part LED_Small-Device)
      (footprints
        (fp LED*)
        (fp LED_SMD:*)
        (fp LED_THT:*))
      (fields
        (field (name Reference) D)
        (field (name Value) LED_Small-Device))
      (pins
        (pin (num 1) (name K) (type passive))
        (pin (num 2) (name A) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part MIC5219-3.3YM5-Regulator_Linear)
      (footprints
        (fp SOT?23*))
      (fields
        (field (name Reference) U)
        (field (name Value) MIC5219-3.3YM5-Regulator_Linear)
        (field (name Footprint) Package_TO_SOT_SMD:SOT-23-5))
      (pins
        (pin (num 1) (name IN) (type power_in))
        (pin (num 2) (name GND) (type power_in))
        (pin (num 3) (name EN) (type input))
        (pin (num 4) (name BP) (type input))
        (pin (num 5) (name OUT) (type power_out))))
    (libpart (lib Q10_keyboard-rescue) (part R_Small-Device)
      (footprints
        (fp R_*))
      (fields
        (field (name Reference) R)
        (field (name Value) R_Small-Device))
      (pins
        (pin (num 1) (name ~) (type passive))
        (pin (num 2) (name ~) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part SRV05-4-Power_Protection)
      (footprints
        (fp SOT?23*))
      (fields
        (field (name Reference) U)
        (field (name Value) SRV05-4-Power_Protection)
        (field (name Footprint) Package_TO_SOT_SMD:SOT-23-6))
      (pins
        (pin (num 1) (name IO1) (type passive))
        (pin (num 2) (name VN) (type passive))
        (pin (num 3) (name IO2) (type passive))
        (pin (num 4) (name IO3) (type passive))
        (pin (num 5) (name VP) (type passive))
        (pin (num 6) (name IO4) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part STM32F103C8Tx-MCU_ST_STM32F1)
      (footprints
        (fp LQFP*7x7mm*P0.5mm*))
      (fields
        (field (name Reference) U)
        (field (name Value) STM32F103C8Tx-MCU_ST_STM32F1)
        (field (name Footprint) Package_QFP:LQFP-48_7x7mm_P0.5mm))
      (pins
        (pin (num 1) (name VBAT) (type power_in))
        (pin (num 2) (name PC13) (type BiDi))
        (pin (num 3) (name PC14) (type BiDi))
        (pin (num 4) (name PC15) (type BiDi))
        (pin (num 5) (name PD0) (type input))
        (pin (num 6) (name PD1) (type input))
        (pin (num 7) (name NRST) (type input))
        (pin (num 8) (name VSSA) (type power_in))
        (pin (num 9) (name VDDA) (type power_in))
        (pin (num 10) (name PA0) (type BiDi))
        (pin (num 11) (name PA1) (type BiDi))
        (pin (num 12) (name PA2) (type BiDi))
        (pin (num 13) (name PA3) (type BiDi))
        (pin (num 14) (name PA4) (type BiDi))
        (pin (num 15) (name PA5) (type BiDi))
        (pin (num 16) (name PA6) (type BiDi))
        (pin (num 17) (name PA7) (type BiDi))
        (pin (num 18) (name PB0) (type BiDi))
        (pin (num 19) (name PB1) (type BiDi))
        (pin (num 20) (name PB2) (type BiDi))
        (pin (num 21) (name PB10) (type BiDi))
        (pin (num 22) (name PB11) (type BiDi))
        (pin (num 23) (name VSS) (type power_in))
        (pin (num 24) (name VDD) (type power_in))
        (pin (num 25) (name PB12) (type BiDi))
        (pin (num 26) (name PB13) (type BiDi))
        (pin (num 27) (name PB14) (type BiDi))
        (pin (num 28) (name PB15) (type BiDi))
        (pin (num 29) (name PA8) (type BiDi))
        (pin (num 30) (name PA9) (type BiDi))
        (pin (num 31) (name PA10) (type BiDi))
        (pin (num 32) (name PA11) (type BiDi))
        (pin (num 33) (name PA12) (type BiDi))
        (pin (num 34) (name PA13) (type BiDi))
        (pin (num 35) (name VSS) (type power_in))
        (pin (num 36) (name VDD) (type power_in))
        (pin (num 37) (name PA14) (type BiDi))
        (pin (num 38) (name PA15) (type BiDi))
        (pin (num 39) (name PB3) (type BiDi))
        (pin (num 40) (name PB4) (type BiDi))
        (pin (num 41) (name PB5) (type BiDi))
        (pin (num 42) (name PB6) (type BiDi))
        (pin (num 43) (name PB7) (type BiDi))
        (pin (num 44) (name BOOT0) (type input))
        (pin (num 45) (name PB8) (type BiDi))
        (pin (num 46) (name PB9) (type BiDi))
        (pin (num 47) (name VSS) (type power_in))
        (pin (num 48) (name VDD) (type power_in))))
    (libpart (lib Q10_keyboard-rescue) (part SW_SPDT-Switch)
      (fields
        (field (name Reference) SW)
        (field (name Value) SW_SPDT-Switch))
      (pins
        (pin (num 1) (name A) (type passive))
        (pin (num 2) (name B) (type passive))
        (pin (num 3) (name C) (type passive))))
    (libpart (lib Q10_keyboard-rescue) (part USB_C_Plug_USB2.0-Connector)
      (footprints
        (fp USB*C*Plug*))
      (fields
        (field (name Reference) P)
        (field (name Value) USB_C_Plug_USB2.0-Connector))
      (pins
        (pin (num A1) (name GND) (type power_in))
        (pin (num A4) (name VBUS) (type power_in))
        (pin (num A5) (name CC) (type BiDi))
        (pin (num A6) (name D+) (type BiDi))
        (pin (num A7) (name D-) (type BiDi))
        (pin (num A9) (name VBUS) (type passive))
        (pin (num A12) (name GND) (type passive))
        (pin (num B1) (name GND) (type passive))
        (pin (num B4) (name VBUS) (type passive))
        (pin (num B5) (name VCONN) (type BiDi))
        (pin (num B9) (name VBUS) (type passive))
        (pin (num B12) (name GND) (type passive))
        (pin (num S1) (name SHIELD) (type passive)))))
  (libraries
    (library (logical Q10_keyboard-rescue)
      (uri /dev/shm/d/Q10_keyboard/Q10_keyboard-rescue.lib)))
  (nets
    (net (code 1) (name /ROW7)
      (node (ref U1) (pin 15))
      (node (ref U4) (pin 27)))
    (net (code 2) (name /BL_CTRL)
      (node (ref Q1) (pin 1))
      (node (ref U1) (pin 16))
      (node (ref R7) (pin 1)))
    (net (code 3) (name "Net-(Q1-Pad3)")
      (node (ref U4) (pin 25))
      (node (ref U4) (pin 23))
      (node (ref Q1) (pin 3)))
    (net (code 4) (name /ROW6)
      (node (ref U4) (pin 22))
      (node (ref U1) (pin 14)))
    (net (code 5) (name /ROW5)
      (node (ref U4) (pin 21))
      (node (ref U1) (pin 12)))
    (net (code 6) (name /ROW4)
      (node (ref U1) (pin 22))
      (node (ref U4) (pin 20)))
    (net (code 7) (name /ROW3)
      (node (ref U4) (pin 18))
      (node (ref U1) (pin 45)))
    (net (code 8) (name /ROW2)
      (node (ref U1) (pin 13))
      (node (ref U4) (pin 8)))
    (net (code 9) (name /COL5)
      (node (ref U4) (pin 19))
      (node (ref U1) (pin 46)))
    (net (code 10) (name /COL2)
      (node (ref U1) (pin 10))
      (node (ref U4) (pin 9)))
    (net (code 11) (name /COL1)
      (node (ref U1) (pin 29))
      (node (ref U4) (pin 7)))
    (net (code 12) (name GND)
      (node (ref U3) (pin 2))
      (node (ref C5) (pin 2))
      (node (ref J2) (pin 4))
      (node (ref P1) (pin A12))
      (node (ref J3) (pin 4))
      (node (ref C6) (pin 2))
      (node (ref U2) (pin 2))
      (node (ref P1) (pin A1))
      (node (ref C8) (pin 2))
      (node (ref P1) (pin S1))
      (node (ref P1) (pin B12))
      (node (ref P1) (pin B1))
      (node (ref SW1) (pin 3))
      (node (ref U1) (pin 23))
      (node (ref U1) (pin 35))
      (node (ref U1) (pin 20))
      (node (ref C4) (pin 2))
      (node (ref C2) (pin 2))
      (node (ref U1) (pin 8))
      (node (ref U1) (pin 47))
      (node (ref R5) (pin 1))
      (node (ref J1) (pin 4))
      (node (ref R7) (pin 2))
      (node (ref C9) (pin 2))
      (node (ref C7) (pin 1))
      (node (ref C3) (pin 1))
      (node (ref U4) (pin 16))
      (node (ref U4) (pin 28))
      (node (ref U4) (pin 1))
      (node (ref U4) (pin 11))
      (node (ref U4) (pin 12))
      (node (ref U4) (pin 13))
      (node (ref U4) (pin 14))
      (node (ref U4) (pin 15))
      (node (ref U4) (pin 4))
      (node (ref Q1) (pin 2))
      (node (ref U4) (pin 5))
      (node (ref C1) (pin 2)))
    (net (code 13) (name /COL4)
      (node (ref U4) (pin 17))
      (node (ref U1) (pin 21)))
    (net (code 14) (name /COL3)
      (node (ref U1) (pin 38))
      (node (ref U4) (pin 10)))
    (net (code 15) (name /ROW1)
      (node (ref U1) (pin 25))
      (node (ref U4) (pin 6)))
    (net (code 16) (name /MIC)
      (node (ref U1) (pin 26))
      (node (ref U4) (pin 3))
      (node (ref U1) (pin 17)))
    (net (code 17) (name /LED)
      (node (ref U1) (pin 11))
      (node (ref R6) (pin 1)))
    (net (code 18) (name /SDA)
      (node (ref R9) (pin 2))
      (node (ref U1) (pin 43))
      (node (ref J2) (pin 3))
      (node (ref U2) (pin 6)))
    (net (code 19) (name /SCL)
      (node (ref U2) (pin 4))
      (node (ref U1) (pin 42))
      (node (ref R8) (pin 2))
      (node (ref J2) (pin 2)))
    (net (code 20) (name /RX)
      (node (ref J3) (pin 3))
      (node (ref U1) (pin 31)))
    (net (code 21) (name +3V3)
      (node (ref U1) (pin 24))
      (node (ref C4) (pin 1))
      (node (ref U1) (pin 36))
      (node (ref U3) (pin 5))
      (node (ref D2) (pin 2))
      (node (ref J1) (pin 1))
      (node (ref C2) (pin 1))
      (node (ref U1) (pin 9))
      (node (ref U1) (pin 48))
      (node (ref D1) (pin 2))
      (node (ref J2) (pin 1))
      (node (ref U4) (pin 26))
      (node (ref U4) (pin 24))
      (node (ref U4) (pin 2))
      (node (ref J3) (pin 1))
      (node (ref C1) (pin 1))
      (node (ref C9) (pin 1))
      (node (ref R9) (pin 1))
      (node (ref R8) (pin 1))
      (node (ref R4) (pin 1))
      (node (ref SW1) (pin 1)))
    (net (code 22) (name /TX)
      (node (ref J3) (pin 2))
      (node (ref U1) (pin 30)))
    (net (code 23) (name /OSCIN)
      (node (ref C5) (pin 1))
      (node (ref Y1) (pin 1))
      (node (ref R1) (pin 1))
      (node (ref U1) (pin 5)))
    (net (code 24) (name /OSCOUT)
      (node (ref C6) (pin 1))
      (node (ref Y1) (pin 2))
      (node (ref R1) (pin 2))
      (node (ref U1) (pin 6)))
    (net (code 25) (name +5V)
      (node (ref P1) (pin A4))
      (node (ref P1) (pin A9))
      (node (ref P1) (pin B4))
      (node (ref P1) (pin B9))
      (node (ref C7) (pin 2))
      (node (ref U3) (pin 3))
      (node (ref U3) (pin 1)))
    (net (code 26) (name /BOOT0)
      (node (ref U1) (pin 44))
      (node (ref SW1) (pin 2)))
    (net (code 27) (name /PA12)
      (node (ref R3) (pin 1))
      (node (ref R4) (pin 2))
      (node (ref U1) (pin 33)))
    (net (code 28) (name "Net-(P1-PadA7)")
      (node (ref R2) (pin 2))
      (node (ref U2) (pin 3))
      (node (ref P1) (pin A7)))
    (net (code 29) (name /PA11)
      (node (ref R2) (pin 1))
      (node (ref U1) (pin 32)))
    (net (code 30) (name "Net-(P1-PadA6)")
      (node (ref P1) (pin A6))
      (node (ref R3) (pin 2))
      (node (ref U2) (pin 1)))
    (net (code 31) (name "Net-(U1-Pad3)")
      (node (ref U1) (pin 3)))
    (net (code 32) (name "Net-(U1-Pad28)")
      (node (ref U1) (pin 28)))
    (net (code 33) (name "Net-(U1-Pad27)")
      (node (ref U1) (pin 27)))
    (net (code 34) (name "Net-(U1-Pad2)")
      (node (ref U1) (pin 2)))
    (net (code 35) (name "Net-(U1-Pad19)")
      (node (ref U1) (pin 19)))
    (net (code 36) (name "Net-(U1-Pad18)")
      (node (ref U1) (pin 18)))
    (net (code 37) (name "Net-(U1-Pad41)")
      (node (ref U1) (pin 41)))
    (net (code 38) (name "Net-(U1-Pad40)")
      (node (ref U1) (pin 40)))
    (net (code 39) (name "Net-(U1-Pad4)")
      (node (ref U1) (pin 4)))
    (net (code 40) (name "Net-(U1-Pad39)")
      (node (ref U1) (pin 39)))
    (net (code 41) (name "Net-(D1-Pad1)")
      (node (ref D1) (pin 1))
      (node (ref R5) (pin 2)))
    (net (code 42) (name /SWCLK)
      (node (ref U1) (pin 37))
      (node (ref J1) (pin 3)))
    (net (code 43) (name /SWDIO)
      (node (ref U1) (pin 34))
      (node (ref J1) (pin 2)))
    (net (code 44) (name "Net-(P1-PadB5)")
      (node (ref P1) (pin B5)))
    (net (code 45) (name "Net-(P1-PadA5)")
      (node (ref P1) (pin A5)))
    (net (code 46) (name /NRST)
      (node (ref C3) (pin 2))
      (node (ref U1) (pin 7)))
    (net (code 47) (name "Net-(D2-Pad1)")
      (node (ref D2) (pin 1))
      (node (ref R6) (pin 2)))
    (net (code 48) (name "Net-(U2-Pad5)")
      (node (ref U2) (pin 5)))
    (net (code 49) (name "Net-(C8-Pad1)")
      (node (ref U3) (pin 4))
      (node (ref C8) (pin 1)))
    (net (code 50) (name "Net-(U1-Pad1)")
      (node (ref U1) (pin 1)))))