ESP32-C6FH4

{
  "slug": "esp32-c6fh4",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF and Wireless, 32-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-c6fh4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-c6fh4.kicad_sym",
    "esp32-c6fh4.kicad_mod",
    "esp32-c6fh4.glb",
    "esp32-c6fh4.step",
    "esp32-c6fh4.lbr",
    "docs/hero.png",
    "docs/esp32-c6fh4-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp32-c6fh4-hero.glb",
    "esp32-c6fh4-hero.overlay.json",
    "esp32-c6fh4-etched.glb"
  ],
  "component": {
    "mpn": "ESP32-C6FH4",
    "manufacturer": "Espressif Systems",
    "package": "32-VFQFN Exposed Pad",
    "pin_count": 33,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-c6_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-c6fh4.kicad_sym",
      "footprint": "esp32-c6fh4.kicad_mod",
      "model_3d": "esp32-c6fh4-hero.glb",
      "model_3d_plain": "esp32-c6fh4-etched.glb",
      "model_3d_step": "esp32-c6fh4-etched.step",
      "model_3d_step_plain": "esp32-c6fh4.step",
      "lbr": "esp32-c6fh4.lbr"
    },
    "distributor_links": {
      "mouser": "356-ESP32-C6FH4"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T22:59:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 975 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-C6FH4",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ANT",
        "type": "bidirectional",
        "description": "RF input and output pin for the antenna."
      },
      {
        "number": "2",
        "name": "VDDA3P3",
        "type": "power_in",
        "description": "Input for the analog power domain."
      },
      {
        "number": "3",
        "name": "VDDA3P3",
        "type": "power_in",
        "description": "Input for the analog power domain."
      },
      {
        "number": "4",
        "name": "CHIP_PU",
        "type": "input",
        "description": "Chip enable: high powers up the chip, low powers it down, and it must not be left floating."
      },
      {
        "number": "5",
        "name": "VDDPST1",
        "type": "power_in",
        "description": "Input for the LP digital and part of the analog pin power domains, supplying the LP IO pins."
      },
      {
        "number": "6",
        "name": "XTAL_32K_P",
        "type": "bidirectional",
        "description": "Positive terminal of the 32 kHz external clock crystal or oscillator, also usable as GPIO0 and ADC1_CH0."
      },
      {
        "number": "7",
        "name": "XTAL_32K_N",
        "type": "bidirectional",
        "description": "Negative terminal of the 32 kHz external clock crystal or oscillator, also usable as GPIO1 and ADC1_CH1."
      },
      {
        "number": "8",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose IO that is also usable as ADC1_CH2 and as the FSPIQ SPI2 signal, with input enabled after reset."
      },
      {
        "number": "9",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose IO that is also usable as ADC1_CH3 and as an LP IO, with input enabled after reset."
      },
      {
        "number": "10",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "JTAG test mode select, also usable as ADC1_CH4 and as the FSPIHD SPI2 signal; a strapping pin."
      },
      {
        "number": "11",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "JTAG test data input, also usable as ADC1_CH5 and as the FSPIWP SPI2 signal; a strapping pin."
      },
      {
        "number": "12",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "JTAG test clock, also usable as ADC1_CH6 and as the FSPICLK SPI2 signal, with input and weak pull-up enabled at reset unless EFUSE_DIS_PAD_JTAG is set."
      },
      {
        "number": "13",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "JTAG test data output, also usable as GPIO7 and as the FSPID SPI2 signal."
      },
      {
        "number": "14",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General-purpose IO that is also a strapping pin used for chip boot mode and ROM message printing control."
      },
      {
        "number": "15",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General-purpose IO that is also a strapping pin used for chip boot mode control, with weak pull-up enabled at reset."
      },
      {
        "number": "16",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "General-purpose IO that is also the USB_D- signal of the USB Serial/JTAG controller, with a default drive strength of 40 mA."
      },
      {
        "number": "17",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "General-purpose IO that is also the USB_D+ signal of the USB Serial/JTAG controller, with a default drive strength of 40 mA."
      },
      {
        "number": "18",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "General-purpose IO with input enabled after reset."
      },
      {
        "number": "19",
        "name": "GPIO15",
        "type": "bidirectional",
        "description": "General-purpose IO that is also a strapping pin used for the JTAG signal source control, with input enabled."
      },
      {
        "number": "20",
        "name": "VDDPST2",
        "type": "power_in",
        "description": "Input for the HP digital power domain, supplying the HP IO pins."
      },
      {
        "number": "21",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit data output, also usable as GPIO16 and as the FSPICS0 SPI2 signal, with output enabled."
      },
      {
        "number": "22",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive data input, also usable as GPIO17 and as the FSPICS1 SPI2 signal, with input and weak pull-up enabled at reset."
      },
      {
        "number": "23",
        "name": "SDIO_CMD",
        "type": "bidirectional",
        "description": "SDIO interface command signal, also usable as GPIO18 and as the FSPICS2 SPI2 signal, with weak pull-up enabled at reset."
      },
      {
        "number": "24",
        "name": "SDIO_CLK",
        "type": "bidirectional",
        "description": "SDIO interface clock signal, also usable as GPIO19 and as the FSPICS3 SPI2 signal, with weak pull-up enabled at reset."
      },
      {
        "number": "25",
        "name": "SDIO_DATA0",
        "type": "bidirectional",
        "description": "SDIO interface data line 0, also usable as GPIO20 and as the FSPICS4 SPI2 signal, with weak pull-up enabled at reset."
      },
      {
        "number": "26",
        "name": "SDIO_DATA1",
        "type": "bidirectional",
        "description": "SDIO interface data line 1, also usable as GPIO21 and as the FSPICS5 SPI2 signal, with weak pull-up enabled at reset."
      },
      {
        "number": "27",
        "name": "SDIO_DATA2",
        "type": "bidirectional",
        "description": "SDIO interface data line 2, also usable as GPIO22, with weak pull-up enabled at reset."
      },
      {
        "number": "28",
        "name": "SDIO_DATA3",
        "type": "bidirectional",
        "description": "SDIO interface data line 3, also usable as GPIO23, with weak pull-up enabled at reset."
      },
      {
        "number": "29",
        "name": "VDDA1",
        "type": "power_in",
        "description": "Input for the analog power domain."
      },
      {
        "number": "30",
        "name": "XTAL_N",
        "type": "passive",
        "description": "Negative differential clock input/output connected to the chip's crystal or oscillator."
      },
      {
        "number": "31",
        "name": "XTAL_P",
        "type": "passive",
        "description": "Positive differential clock input/output connected to the chip's crystal or oscillator."
      },
      {
        "number": "32",
        "name": "VDDA2",
        "type": "power_in",
        "description": "Input for the analog power domain."
      },
      {
        "number": "33",
        "name": "GND",
        "type": "power_in",
        "description": "External ground connection, the exposed pad of the QFN32 package."
      }
    ],
    "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: MPN ESP32-C6FH4 is the QFN32 (5x5 mm) variant per Table 1-1, so the QFN32 pin table (Table 2-2, page; Electrical ratings (supply ranges, absolute maximum ratings, recommended operating conditions) are i"
        ],
        "pages_sent": 47,
        "cost_usd": 0.1249,
        "at": "2026-10-27T22:59:25"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-c6_datasheet_en.pdf",
        "pages": 86,
        "sha256": "372a5b42b2900c83",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esp32-c6fh4.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "78b6f69db0ba2078077fe093340deb75c51b1e37c21ae9dfb1fcfb979ee90e84",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-c6fh4-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bd72ac0797d54478e90dd0bf733651112b39cfa17623b2258800f89d8af6a2d6",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}