(kicad_sch (version 20211123) (generator eeschema)

  (uuid 69cceaac-6f1b-4182-8e1c-91402953f92a)

  (paper "A4")

  (lib_symbols
    (symbol "Device:C_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "C" (id 0) (at 0.254 1.778 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "C_Small" (id 1) (at 0.254 -2.032 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "capacitor cap" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Unpolarized capacitor, small symbol" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "C_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "C_Small_0_1"
        (polyline
          (pts
            (xy -1.524 -0.508)
            (xy 1.524 -0.508)
          )
          (stroke (width 0.3302) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy -1.524 0.508)
            (xy 1.524 0.508)
          )
          (stroke (width 0.3048) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "C_Small_1_1"
        (pin passive line (at 0 2.54 270) (length 2.032)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -2.54 90) (length 2.032)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "Device:R_Small" (pin_numbers hide) (pin_names (offset 0.254) hide) (in_bom yes) (on_board yes)
      (property "Reference" "R" (id 0) (at 0.762 0.508 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Value" "R_Small" (id 1) (at 0.762 -1.016 0)
        (effects (font (size 1.27 1.27)) (justify left))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "~" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "R resistor" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Resistor, small symbol" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_fp_filters" "R_*" (id 6) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "R_Small_0_1"
        (rectangle (start -0.762 1.778) (end 0.762 -1.778)
          (stroke (width 0.2032) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "R_Small_1_1"
        (pin passive line (at 0 2.54 270) (length 0.762)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin passive line (at 0 -2.54 90) (length 0.762)
          (name "~" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "GW_Logic:Oscillator_4P" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
      (property "Reference" "U" (id 0) (at 0 6.35 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Value" "Oscillator_4P" (id 1) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "Oscillator_4P_0_1"
        (rectangle (start -6.35 5.08) (end 6.35 -2.54)
          (stroke (width 0.254) (type default) (color 0 0 0 0))
          (fill (type background))
        )
      )
      (symbol "Oscillator_4P_1_1"
        (pin input line (at -8.89 2.54 0) (length 2.54)
          (name "EN" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at -8.89 0 0) (length 2.54)
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "2" (effects (font (size 1.27 1.27))))
        )
        (pin output line (at 8.89 0 180) (length 2.54)
          (name "Output" (effects (font (size 1.27 1.27))))
          (number "3" (effects (font (size 1.27 1.27))))
        )
        (pin power_in line (at 8.89 2.54 180) (length 2.54)
          (name "Vdd" (effects (font (size 1.27 1.27))))
          (number "4" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:+3V3" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "+3V3" (id 1) (at 0 3.556 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"+3V3\"" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "+3V3_0_1"
        (polyline
          (pts
            (xy -0.762 1.27)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 0)
            (xy 0 2.54)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
        (polyline
          (pts
            (xy 0 2.54)
            (xy 0.762 1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "+3V3_1_1"
        (pin power_in line (at 0 0 90) (length 0) hide
          (name "+3V3" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
    (symbol "power:GND" (power) (pin_names (offset 0)) (in_bom yes) (on_board yes)
      (property "Reference" "#PWR" (id 0) (at 0 -6.35 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Value" "GND" (id 1) (at 0 -3.81 0)
        (effects (font (size 1.27 1.27)))
      )
      (property "Footprint" "" (id 2) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "Datasheet" "" (id 3) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_keywords" "power-flag" (id 4) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (property "ki_description" "Power symbol creates a global label with name \"GND\" , ground" (id 5) (at 0 0 0)
        (effects (font (size 1.27 1.27)) hide)
      )
      (symbol "GND_0_1"
        (polyline
          (pts
            (xy 0 0)
            (xy 0 -1.27)
            (xy 1.27 -1.27)
            (xy 0 -2.54)
            (xy -1.27 -1.27)
            (xy 0 -1.27)
          )
          (stroke (width 0) (type default) (color 0 0 0 0))
          (fill (type none))
        )
      )
      (symbol "GND_1_1"
        (pin power_in line (at 0 0 270) (length 0) hide
          (name "GND" (effects (font (size 1.27 1.27))))
          (number "1" (effects (font (size 1.27 1.27))))
        )
      )
    )
  )

  (junction (at 97.79 63.5) (diameter 0) (color 0 0 0 0)
    (uuid 082621c8-b51d-48fd-937c-afceb255b94e)
  )
  (junction (at 100.33 63.5) (diameter 0) (color 0 0 0 0)
    (uuid 3785db90-bbe9-4018-bab6-3a4673f84f27)
  )
  (junction (at 88.9 110.49) (diameter 0) (color 0 0 0 0)
    (uuid e8531c3a-ab79-4096-b3fb-b5b6ae94c3f7)
  )
  (junction (at 78.74 105.41) (diameter 0) (color 0 0 0 0)
    (uuid ea7f95ca-1368-4ccc-b3c5-17a85c05a2dd)
  )

  (wire (pts (xy 78.74 110.49) (xy 88.9 110.49))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 1416f46f-efcf-4c99-81af-d39cf81f2652)
  )
  (wire (pts (xy 100.33 69.85) (xy 100.33 63.5))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 478afa34-e0e2-4584-885c-121c8a802996)
  )
  (wire (pts (xy 97.79 63.5) (xy 100.33 63.5))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid 728dda43-38f9-4d13-b2a9-59e599c86d99)
  )
  (wire (pts (xy 100.33 57.15) (xy 102.87 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a1441258-3477-4706-8540-9e88ae0dac49)
  )
  (wire (pts (xy 97.79 67.31) (xy 97.79 63.5))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid a65cad0c-0ef1-4ea5-a965-4eae7ac1f6af)
  )
  (wire (pts (xy 78.74 105.41) (xy 88.9 105.41))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid ad8c2a20-27d0-4e2a-aabf-44a509bf342a)
  )
  (wire (pts (xy 97.79 63.5) (xy 97.79 59.69))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid e8e23712-f080-4685-ae22-9028780f7b13)
  )
  (wire (pts (xy 100.33 63.5) (xy 100.33 57.15))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid e96432f3-c6ee-4cdc-892b-eb9f8e5ebd05)
  )
  (wire (pts (xy 102.87 69.85) (xy 100.33 69.85))
    (stroke (width 0) (type default) (color 0 0 0 0))
    (uuid eef9a49b-90d1-4463-b2c5-af035d3ae9d7)
  )

  (hierarchical_label "CK25EN" (shape input) (at 120.65 67.31 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 18a9dea8-caa6-40a3-962a-7699d9146e17)
  )
  (hierarchical_label "RCLK" (shape output) (at 92.71 67.31 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid 462f8e7e-09c6-4676-ba4f-fd07b2868aa8)
  )
  (hierarchical_label "CK20EN" (shape input) (at 120.65 54.61 0)
    (effects (font (size 1.27 1.27)) (justify left))
    (uuid 90f1070b-d0d3-4d94-9527-f4c1c7006642)
  )
  (hierarchical_label "MCLK" (shape output) (at 92.71 59.69 180)
    (effects (font (size 1.27 1.27)) (justify right))
    (uuid bbeadbd3-dc9d-4bb3-9f60-a643fa1fa7e6)
  )

  (symbol (lib_id "Device:C_Small") (at 78.74 107.95 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-0000613b711a)
    (property "Reference" "C5" (id 0) (at 80.01 106.68 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "2u2" (id 1) (at 80.01 109.22 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "stdpads:C_0603" (id 2) (at 78.74 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 78.74 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C23630" (id 4) (at 78.74 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 4dd27742-9d60-40e0-893f-609cf3feb017))
    (pin "2" (uuid 995fff9d-4464-486e-adae-f0ceeade687b))
  )

  (symbol (lib_id "power:+3V3") (at 78.74 105.41 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-0000613b7131)
    (property "Reference" "#PWR0122" (id 0) (at 78.74 109.22 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3V3" (id 1) (at 78.74 101.6 0))
    (property "Footprint" "" (id 2) (at 78.74 105.41 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 78.74 105.41 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 70130935-d9c1-4b0a-baec-a9e6ef81c3f2))
  )

  (symbol (lib_id "Device:C_Small") (at 88.9 107.95 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-0000613b713d)
    (property "Reference" "C6" (id 0) (at 90.17 106.68 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Value" "2u2" (id 1) (at 90.17 109.22 0)
      (effects (font (size 1.27 1.27)) (justify left))
    )
    (property "Footprint" "stdpads:C_0603" (id 2) (at 88.9 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 88.9 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C23630" (id 4) (at 88.9 107.95 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid f64b4cb2-f14c-4dbc-9361-96de5a124f8c))
    (pin "2" (uuid 6b5d7351-fda2-4b86-9e10-de349c4e7935))
  )

  (symbol (lib_id "power:GND") (at 88.9 110.49 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-0000613b7144)
    (property "Reference" "#PWR0123" (id 0) (at 88.9 116.84 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 88.9 114.3 0))
    (property "Footprint" "" (id 2) (at 88.9 110.49 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 88.9 110.49 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 57c21a22-a6ee-42d1-854e-01b35cfba2a4))
  )

  (symbol (lib_id "Device:R_Small") (at 95.25 59.69 270) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00006141a918)
    (property "Reference" "R1" (id 0) (at 95.25 55.88 90))
    (property "Value" "47" (id 1) (at 95.25 58.42 90)
      (effects (font (size 1.27 1.27)) (justify bottom))
    )
    (property "Footprint" "stdpads:R_0603" (id 2) (at 95.25 59.69 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 95.25 59.69 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C23182" (id 4) (at 95.25 59.69 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 5667316e-619b-432d-8f9c-290de9284874))
    (pin "2" (uuid 41dd5872-6064-430c-af2c-53fcb8ee9e43))
  )

  (symbol (lib_id "Device:R_Small") (at 95.25 67.31 270) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-00006141ac14)
    (property "Reference" "R2" (id 0) (at 95.25 63.5 90))
    (property "Value" "47" (id 1) (at 95.25 66.04 90)
      (effects (font (size 1.27 1.27)) (justify bottom))
    )
    (property "Footprint" "stdpads:R_0603" (id 2) (at 95.25 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "~" (id 3) (at 95.25 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C23182" (id 4) (at 95.25 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 89c85104-8d29-4ed2-8bc9-1efdcf061524))
    (pin "2" (uuid 230539e6-ed9f-4a15-94c6-70aec3a7825d))
  )

  (symbol (lib_id "power:GND") (at 120.65 57.15 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf0386)
    (property "Reference" "#PWR0113" (id 0) (at 120.65 63.5 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 120.65 60.96 0))
    (property "Footprint" "" (id 2) (at 120.65 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 120.65 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid e6f9eda1-400d-40db-91fd-d687dc01718f))
  )

  (symbol (lib_id "power:GND") (at 120.65 69.85 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf038c)
    (property "Reference" "#PWR0114" (id 0) (at 120.65 76.2 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "GND" (id 1) (at 120.65 73.66 0))
    (property "Footprint" "" (id 2) (at 120.65 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 120.65 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 1a49f729-5f47-475f-8eb9-8a015ec1ed97))
  )

  (symbol (lib_id "power:+3V3") (at 102.87 67.31 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf0398)
    (property "Reference" "#PWR0116" (id 0) (at 102.87 71.12 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3V3" (id 1) (at 102.87 63.5 0))
    (property "Footprint" "" (id 2) (at 102.87 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 102.87 67.31 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 65c83ca6-ae17-4a0f-a5be-1a9b8e62bcd2))
  )

  (symbol (lib_id "power:+3V3") (at 102.87 54.61 0) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf039e)
    (property "Reference" "#PWR0117" (id 0) (at 102.87 58.42 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Value" "+3V3" (id 1) (at 102.87 50.8 0))
    (property "Footprint" "" (id 2) (at 102.87 54.61 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 102.87 54.61 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid ea0b71f6-ebe8-404f-9250-c968a9190bfc))
  )

  (symbol (lib_id "GW_Logic:Oscillator_4P") (at 111.76 69.85 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf03a4)
    (property "Reference" "U5" (id 0) (at 111.76 62.23 0)
      (effects (font (size 1.27 1.27)) (justify bottom))
    )
    (property "Value" "25M" (id 1) (at 111.76 63.5 0))
    (property "Footprint" "stdpads:Crystal_SMD_3225-4Pin_3.2x2.5mm" (id 2) (at 111.76 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 111.76 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C32526" (id 4) (at 111.76 69.85 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 507ab6dc-4ff9-4266-ba03-bfe284e8e9d1))
    (pin "2" (uuid 778cee0e-27c6-4951-b511-2b01fbe62b2d))
    (pin "3" (uuid 9b01d706-76c4-490d-85b9-4c6efbdb4bab))
    (pin "4" (uuid f70ab145-7d27-4f0a-b4f6-36eb6a2d5954))
  )

  (symbol (lib_id "GW_Logic:Oscillator_4P") (at 111.76 57.15 0) (mirror y) (unit 1)
    (in_bom yes) (on_board yes)
    (uuid 00000000-0000-0000-0000-000061bf03aa)
    (property "Reference" "U4" (id 0) (at 111.76 49.53 0)
      (effects (font (size 1.27 1.27)) (justify bottom))
    )
    (property "Value" "20M" (id 1) (at 111.76 50.8 0))
    (property "Footprint" "stdpads:Crystal_SMD_3225-4Pin_3.2x2.5mm" (id 2) (at 111.76 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "Datasheet" "" (id 3) (at 111.76 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (property "LCSC Part" "C32529" (id 4) (at 111.76 57.15 0)
      (effects (font (size 1.27 1.27)) hide)
    )
    (pin "1" (uuid 27008f04-19dc-490a-b5d6-8b242624dfed))
    (pin "2" (uuid 2de65ce8-8642-4d85-bbbc-c44789c27176))
    (pin "3" (uuid e71f69e7-30ef-47c6-816b-42531d4c31e0))
    (pin "4" (uuid 88259eb1-3594-4fc1-9f45-b4fb0132d712))
  )
)
