CH552G

{
 "schema": "adom.pads/1",
 "slug": "ch552g",
 "footprint": "SOIC-16_3.9x9.9mm_P1.27mm",
 "generated_from": {
  "footprint": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
  "pins": "page.json:component.pins",
  "overrides": null
 },
 "pin1": {
  "pad": "1",
  "at": [
   -2.475,
   -4.445
  ],
  "corner": "top-left",
  "source": "silk-marker",
  "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c"
 },
 "pad_count": 16,
 "symbol_pins": [
  "1",
  "10",
  "11",
  "12",
  "13",
  "14",
  "15",
  "16",
  "2",
  "3",
  "4",
  "5",
  "6",
  "7",
  "8",
  "9"
 ],
 "paste_apertures": 0,
 "issues": [],
 "pads": [
  {
   "pad": "1",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "1",
   "name": "P3.2/TXD1_/INT0/VBUS1/AIN3",
   "type": "bidirectional",
   "description": "Port 3 bit 2 GPIO. Multiplexed with UART1 TXD1 mapping, external interrupt INT0, USB Type-C VBUS1 sense input, and ADC channel AIN3.",
   "is_pin1": true,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "2",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "2",
   "name": "P1.4/T2_/CAP1_/SCS/TIN2/UCC1/AIN1",
   "type": "bidirectional",
   "description": "Port 1 bit 4 GPIO. Alt functions: Timer2 clock T2 (mapped), Timer2 capture CAP1, SPI0 chip-select SCS, Touch-Key TIN2, USB Type-C CC1 detect UCC1, ADC channel AIN1.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "3",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "3",
   "name": "P1.5/MOSI/PWM1/TIN3/UCC2/AIN2",
   "type": "bidirectional",
   "description": "Port 1 bit 5 GPIO. Alt: SPI0 MOSI (master out / slave in), PWM1 output, Touch-Key TIN3, USB Type-C CC2 detect UCC2, ADC channel AIN2.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "4",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "4",
   "name": "P1.6/MISO/RXD1/TIN4",
   "type": "bidirectional",
   "description": "Port 1 bit 6 GPIO. Alt: SPI0 MISO, UART1 RXD1 receive input, Touch-Key channel TIN4.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "5",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "5",
   "name": "P1.7/SCK/TXD1/TIN5",
   "type": "bidirectional",
   "description": "Port 1 bit 7 GPIO. Alt: SPI0 SCK clock, UART1 TXD1 transmit output, Touch-Key channel TIN5.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "6",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "6",
   "name": "RST/T2EX_/CAP2_",
   "type": "input",
   "description": "External reset input (active high). Also selectable as Timer2 reload/capture input T2EX and capture CAP2 (mapped variants). Has internal pull-down resistor; other GPIOs default to pull-up.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "7",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "7",
   "name": "P3.1/PWM2_/TXD",
   "type": "bidirectional",
   "description": "Port 3 bit 1 GPIO. Alt: PWM2 output (mapped), UART0 TXD serial transmit.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "8",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    -2.475,
    4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "8",
   "name": "P3.0/PWM1_/RXD",
   "type": "bidirectional",
   "description": "Port 3 bit 0 GPIO. Alt: PWM1 output (mapped), UART0 RXD serial receive.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "9",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "9",
   "name": "P1.1/T2EX/CAP2/TIN1/VBUS2/AIN0",
   "type": "bidirectional",
   "description": "Port 1 bit 1 GPIO. Alt: Timer2 external reload T2EX, Timer2 capture CAP2, Touch-Key channel TIN1, USB Type-C VBUS2 sense, ADC channel AIN0.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "10",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "10",
   "name": "P3.3/INT1",
   "type": "bidirectional",
   "description": "Port 3 bit 3 GPIO. Alt: external interrupt INT1 input.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "11",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "11",
   "name": "P3.4/PWM2/RXD1_/T0",
   "type": "bidirectional",
   "description": "Port 3 bit 4 GPIO. Alt: PWM2 output, UART1 RXD1 (mapped alt), Timer0 external clock T0.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "12",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "12",
   "name": "P3.6/UDP",
   "type": "bidirectional",
   "description": "Port 3 bit 6 GPIO, dual-function USB D+ line (UDP). USB transceiver is USB 2.0 full-speed compliant; when used as USB no series termination resistor is required. As GPIO, uses V33 as its I/O rail so high level is limited to V33 (not 5 V tolerant).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "13",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -0.635
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "13",
   "name": "P3.7/UDM",
   "type": "bidirectional",
   "description": "Port 3 bit 7 GPIO, dual-function USB D- line (UDM). USB 2.0 full-speed compliant transceiver; no external series termination required when used as USB. GPIO logic level tied to V33 rail (not 5 V tolerant).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "14",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -1.905
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "14",
   "name": "GND",
   "type": "power_in",
   "description": "Common ground (VSS).",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "15",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -3.175
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "15",
   "name": "VCC",
   "type": "power_in",
   "description": "Main supply input (VDD), 3.3 V or 5 V. Requires an external 0.1 µF decoupling capacitor.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  },
  {
   "pad": "16",
   "kind": "smd",
   "shape": "roundrect",
   "at": [
    2.475,
    -4.445
   ],
   "rot": 0.0,
   "size": [
    1.95,
    0.6
   ],
   "layers": [
    "F.Cu",
    "F.Mask",
    "F.Paste"
   ],
   "thermal": false,
   "pin": "16",
   "name": "V33",
   "type": "power_in",
   "description": "Internal USB 3.3 V LDO regulator output and USB I/O supply input. When VCC < 3.6 V, tie V33 to VCC externally. When VCC > 3.6 V (5 V operation), leave V33 as regulator output and connect an external 0.1 µF decoupling capacitor.",
   "is_pin1": false,
   "source": {
    "geometry": "SOIC-16_3.9x9.9mm_P1.27mm.kicad_mod",
    "meaning": "page.json:component.pins",
    "correspondence": "kicad: symbol pin number == pad name"
   }
  }
 ]
}