HT5019

{
  "slug": "ht5019",
  "version": "0.1.0",
  "type": "component",
  "description": "HiTrend Tech Shanghai Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "ht5019",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht5019.kicad_sym",
    "ht5019.kicad_mod",
    "ht5019.glb",
    "ht5019.step",
    "ht5019.lbr",
    "docs/hero.png",
    "docs/ht5019-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht5019-hero.glb",
    "ht5019-hero.overlay.json",
    "ht5019-etched.glb"
  ],
  "component": {
    "mpn": "HT5019",
    "manufacturer": "HiTrend Tech Shanghai",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181889812414464",
    "parts": {
      "symbol": "ht5019.kicad_sym",
      "footprint": "ht5019.kicad_mod",
      "model_3d": "ht5019-hero.glb",
      "model_3d_plain": "ht5019-etched.glb",
      "model_3d_step": "ht5019-etched.step",
      "model_3d_step_plain": "ht5019.step",
      "lbr": "ht5019.lbr"
    },
    "distributor_links": {
      "lcsc": "C126780"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:44:16Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "External 32 kHz low-frequency clock input."
      },
      {
        "number": "2",
        "name": "PE.9",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.9, also LVDIN1 external supply-voltage detection input monitored against a 1.21 V threshold."
      },
      {
        "number": "3",
        "name": "PA.12",
        "type": "bidirectional",
        "description": "General-purpose I/O PA.12, also SEG35 LCD segment and ADCIN0 external voltage sampling input with 2 us filter."
      },
      {
        "number": "4",
        "name": "PF.0",
        "type": "bidirectional",
        "description": "General-purpose I/O PF.0, default active-energy pulse output PFOUT with 5 mA drive capability (configurable via EMCON)."
      },
      {
        "number": "5",
        "name": "VREF",
        "type": "power_in",
        "description": "1.185 V metering reference voltage output, requires external filter capacitors of 0.1 uF and 1 uF."
      },
      {
        "number": "6",
        "name": "AVREG",
        "type": "power_out",
        "description": "2.8 V internal analog supply output, requires external filter capacitors of 0.1 uF and 10 uF."
      },
      {
        "number": "7",
        "name": "V1P",
        "type": "input",
        "description": "Current channel 1 analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp."
      },
      {
        "number": "8",
        "name": "V1N",
        "type": "input",
        "description": "Current channel 1 analog signal input (negative), with internal ESD protection; maximum signal ±800 mVp."
      },
      {
        "number": "9",
        "name": "V2P",
        "type": "input",
        "description": "Current channel 2 analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp."
      },
      {
        "number": "10",
        "name": "V3P",
        "type": "input",
        "description": "Voltage channel analog signal input (positive), with internal ESD protection; maximum signal ±800 mVp."
      },
      {
        "number": "11",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "12",
        "name": "PA.7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA.7, also INT2 external interrupt and SEG33 LCD segment, with 2 us filter and 30 mA drive capability."
      },
      {
        "number": "13",
        "name": "PB.0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.0, also SEG0 LCD segment output."
      },
      {
        "number": "14",
        "name": "PB.1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.1, also SEG1 LCD segment output."
      },
      {
        "number": "15",
        "name": "PB.2",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.2, also SEG2 LCD segment output."
      },
      {
        "number": "16",
        "name": "PB.3",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.3, also SEG3 LCD segment output."
      },
      {
        "number": "17",
        "name": "PB.4",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.4, also SEG4 LCD segment output."
      },
      {
        "number": "18",
        "name": "PB.5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.5, also SEG5 LCD segment output."
      },
      {
        "number": "19",
        "name": "VDD1P5",
        "type": "power_out",
        "description": "Internal 1.5 V regulated output for the digital core; requires an external 0.1 uF filter capacitor."
      },
      {
        "number": "20",
        "name": "PA.6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA.6, also INT1, SCANIN1 and JTAGWDTEN (JTAG_WDTEN input when TEST=0), with 2 us filter and 30 mA drive capability."
      },
      {
        "number": "21",
        "name": "TEST",
        "type": "input",
        "description": "Test-mode pin with 2 us filter and internal constant pull-up; TEST=0 selects debug mode and TEST=0 with JTAGWDTEN=1 selects test mode."
      },
      {
        "number": "22",
        "name": "PB.13",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.13, also SEG13 LCD segment and SWIO serial-wire debug data."
      },
      {
        "number": "23",
        "name": "PB.14",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.14, also SEG14 LCD segment output."
      },
      {
        "number": "24",
        "name": "PB.15",
        "type": "bidirectional",
        "description": "General-purpose I/O PB.15, also SEG15 LCD segment and SWCLK serial-wire debug clock."
      },
      {
        "number": "25",
        "name": "PD.14",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.14, also COM6/SEG26 LCD output."
      },
      {
        "number": "26",
        "name": "PD.15",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.15, also COM7/SEG27 LCD output."
      },
      {
        "number": "27",
        "name": "PE.1",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.1, also UART2 transmit TX4 and TOUT2 second-pulse output, with 5 mA drive capability."
      },
      {
        "number": "28",
        "name": "PE.2",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.2, also UART2 receive RX4 / 7816_0 input with 2 us filter."
      },
      {
        "number": "29",
        "name": "PE.3",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.3, also CLKOUT clock output for ESAM/card clock."
      },
      {
        "number": "30",
        "name": "PE.4",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.4, also UART3 receive RX3 / 7816_1 input with 2 us filter."
      },
      {
        "number": "31",
        "name": "PE.5",
        "type": "bidirectional",
        "description": "General-purpose I/O PE.5, also UART3 transmit TX3."
      },
      {
        "number": "32",
        "name": "VDD",
        "type": "power_in",
        "description": "Internal power input for the digital supply; must be connected externally to the other VDD pin (pin 47)."
      },
      {
        "number": "33",
        "name": "PD.3",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.3, also SEG19 LCD segment and SCANOUT1 keypad scan output with 5 mA drive capability."
      },
      {
        "number": "34",
        "name": "PD.2",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.2, also SEG18 LCD segment and SCANOUT0 keypad scan output with 5 mA drive capability."
      },
      {
        "number": "35",
        "name": "PA.8",
        "type": "bidirectional",
        "description": "General-purpose I/O PA.8, also INT3 external interrupt and SEG34 LCD segment, with 2 us filter and 30 mA drive capability."
      },
      {
        "number": "36",
        "name": "PC.3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC.3, also UART0 transmit TX0."
      },
      {
        "number": "37",
        "name": "PC.2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC.2, also UART0 receive RX0 with 2 us filter."
      },
      {
        "number": "38",
        "name": "PD.13",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.13, also COM5/SEG25 LCD output."
      },
      {
        "number": "39",
        "name": "PD.12",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.12, also COM4/SEG24 LCD output."
      },
      {
        "number": "40",
        "name": "PD.11",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.11, also COM3 LCD common output."
      },
      {
        "number": "41",
        "name": "PD.10",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.10, also COM2 LCD common output."
      },
      {
        "number": "42",
        "name": "PD.9",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.9, also COM1 LCD common output."
      },
      {
        "number": "43",
        "name": "PD.8",
        "type": "bidirectional",
        "description": "General-purpose I/O PD.8, also COM0 LCD common output."
      },
      {
        "number": "44",
        "name": "PA.5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA.5, also INT0 external interrupt and SCANIN0 keypad scan input, with 2 us filter."
      },
      {
        "number": "45",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery power input; absolute input voltage limit 3.6 V."
      },
      {
        "number": "46",
        "name": "VSYS",
        "type": "power_in",
        "description": "System power input; monitored by VSYS_DET for switching between VSYS and VBAT supply."
      },
      {
        "number": "47",
        "name": "VDD",
        "type": "power_out",
        "description": "System power output (VDD); must be connected externally to the other VDD pin (pin 32)."
      },
      {
        "number": "48",
        "name": "OSCO",
        "type": "output",
        "description": "External low-frequency clock drive output for the 32 kHz crystal."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pinout taken from the 48-PIN column of the Section 1.5 pin definition table (datasheet note 6 states; Pins V2N and V3N have no pin number in the 48-pin package; datasheet note 6 says they are internally; Two pins are named VDD. Pin 32 is described as an internal power input that must be tied to the othe"
        ],
        "pages_sent": 99,
        "cost_usd": 0.3871,
        "at": "2026-10-19T03:42:25"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181889812414464",
        "pages": 262,
        "sha256": "ca455c807ac53a76",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht5019.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht5019-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6691e83729e08bd415f2704bdc78ead02942d662e510630098d40829655e4547",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}