RM1211ATS20A

{
  "slug": "rm1211ats20a",
  "version": "0.1.0",
  "type": "component",
  "description": "Realmagic Microcontroller Units (MCUs/MPUs/SOCs), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "rm1211ats20a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rm1211ats20a.kicad_sym",
    "rm1211ats20a.kicad_mod",
    "rm1211ats20a.glb",
    "rm1211ats20a.step",
    "rm1211ats20a.lbr",
    "docs/hero.png",
    "docs/rm1211ats20a-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rm1211ats20a-hero.glb",
    "rm1211ats20a-hero.overlay.json",
    "rm1211ats20a-etched.glb"
  ],
  "component": {
    "mpn": "RM1211ATS20A",
    "manufacturer": "Realmagic",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3ddcfd0135b72fb178f8a694ef966e96.pdf",
    "parts": {
      "symbol": "rm1211ats20a.kicad_sym",
      "footprint": "rm1211ats20a.kicad_mod",
      "model_3d": "rm1211ats20a-hero.glb",
      "model_3d_plain": "rm1211ats20a-etched.glb",
      "model_3d_step": "rm1211ats20a-etched.step",
      "model_3d_step_plain": "rm1211ats20a.step",
      "lbr": "rm1211ats20a.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269269"
    },
    "distributor_check": {
      "checked_at": "2026-10-26T18:34:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "2",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC15, TK15 touch channel 15, XIN crystal input, A1O op-amp/comparator 1 output, T1PWM2N and T2PWM0 outputs."
      },
      {
        "number": "3",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC14, TK14, XOUT crystal output, VREF internal reference output, RCOUT main clock output, T1PWM1 and UART TX."
      },
      {
        "number": "4",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC13, TK13, RSTN external reset input, A2N op-amp/comparator 2 negative input, T1PWM2 and T2PWM1 outputs."
      },
      {
        "number": "5",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC12, TK12, A3P op-amp/comparator 3 positive input, INT1 external interrupt 1 input, T1PWM1 and T1PWM0N outputs."
      },
      {
        "number": "6",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC11, TK11, A3N op-amp/comparator 3 negative input, UART RX, T1 Timer1 count input and T1PWM0 output."
      },
      {
        "number": "7",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC10, TK10, A3O op-amp/comparator 3 output, INT1 input, T1PWM0N, T1PWM1 and T1PWM2 outputs."
      },
      {
        "number": "8",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC9, TK9, A2O op-amp/comparator 2 output, T1PWM1N and T2PWM1 outputs."
      },
      {
        "number": "9",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC8, TK8, A2N op-amp/comparator 2 negative input, T0 Timer0 count input, T1PWM2N output and INT0 external interrupt 0 input."
      },
      {
        "number": "10",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC16, TK16, A2P op-amp/comparator 2 positive input, VREF output, UART TX, T2PWM0 and T1PWM2 outputs."
      },
      {
        "number": "11",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC17, TK17, A1P op-amp/comparator 1 positive input, RCOUT clock output, UART RX and T1PWM3 output."
      },
      {
        "number": "12",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC7, TK7, A1N op-amp/comparator 1 negative input and T1PWM3N output."
      },
      {
        "number": "13",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC6, TK6, A1O op-amp/comparator 1 output, T1PWM3 and T1PWM0 outputs."
      },
      {
        "number": "14",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC5, TK5, A0O op-amp/comparator 0 output and T1PWM1N output."
      },
      {
        "number": "15",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC4, TK4, A0N op-amp/comparator 0 negative input, VREF output, UART RX and T1PWM0N output."
      },
      {
        "number": "16",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with PDA serial programming/debug data I/O, ADC3, TK3, A0P op-amp/comparator 0 positive input, UART TX, T2PWM1 and T1PWM0 outputs."
      },
      {
        "number": "17",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with PCL serial programming/debug clock I/O, ADC2, TK2, A2P op-amp/comparator 2 positive input, T2PWM0 and T1PWM1N outputs."
      },
      {
        "number": "18",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC1, TK1, VREF output, A1P op-amp/comparator 1 positive input, INT0 input, UART TX and T1PWM3 output."
      },
      {
        "number": "19",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Bidirectional GPIO shared with ADC0, TK0, A1N op-amp/comparator 1 negative input, INT1 input, UART RX and T1PWM3N output."
      },
      {
        "number": "20",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply; datasheet operating range VDD = 1.8 to 5.5 V (absolute maximum -0.3 to +5.5 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table gives only one 20-pin list, shared by SOP20 and TSSOP20. It does not print s; Pin types are inferred from the datasheet's 'I/O' and 'P' labels. Every GPIO is multiplexed with ana"
        ],
        "pages_sent": 45,
        "cost_usd": 0.2754,
        "at": "2026-10-26T18:34:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3ddcfd0135b72fb178f8a694ef966e96.pdf",
        "pages": 130,
        "sha256": "80f14a0a206b3aa3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rm1211ats20a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rm1211ats20a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07576746f01bb30b13a7b17ba31f1228332cc055763110cedaf8604197379acc",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}