ESP32-C6-WROOM-1U-N4

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-c6-wroom-1u-n4",
  "title": "ESP32-C6-WROOM-1U-N4",
  "brief": "Espressif Systems RF and Wireless, 37-SMD Module. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-c6-wroom-1u-n4",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-C6-WROOM-1U-N4",
    "manufacturer": "Espressif Systems",
    "package": "37-SMD Module",
    "pin_count": 29,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-c6-wroom-1_wroom-1u_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-c6-wroom-1u-n4.kicad_sym",
      "footprint": "esp32-c6-wroom-1u-n4.kicad_mod",
      "model_3d": "esp32-c6-wroom-1u-n4-hero.glb",
      "model_3d_plain": "esp32-c6-wroom-1u-n4-etched.glb",
      "model_3d_step": "esp32-c6-wroom-1u-n4-etched.step",
      "model_3d_step_plain": "esp32-c6-wroom-1u-n4.step",
      "lbr": "esp32-c6-wroom-1u-n4.lbr"
    },
    "distributor_links": {
      "digikey": "1965-ESP32-C6-WROOM-1U-N4TR-ND",
      "mouser": "356-ESP32C6WROOM1UN4"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T17:26:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1965-ESP32-C6-WROOM-1U-N4TR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "356-ESP32C6WROOM1UN4",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the module."
      },
      {
        "number": "2",
        "name": "3V3",
        "type": "power_in",
        "description": "Module power supply input; the datasheet gives a recommended operating voltage of 3.0 to 3.6 V (typical 3.3 V)."
      },
      {
        "number": "3",
        "name": "EN",
        "type": "input",
        "description": "Chip enable: high turns the chip on and low powers it off, and the pin must not be left floating."
      },
      {
        "number": "4",
        "name": "IO4",
        "type": "bidirectional",
        "description": "GPIO4 with alternate functions MTMS, LP_GPIO4, LP_UART_RXD, ADC1_CH4 and FSPIHD; the pin is also an SDIO sampling-edge strapping pin (MTMS)."
      },
      {
        "number": "5",
        "name": "IO5",
        "type": "bidirectional",
        "description": "GPIO5 with alternate functions MTDI, LP_GPIO5, LP_UART_TXD, ADC1_CH5 and FSPIWP; the pin is also an SDIO sampling-edge strapping pin (MTDI)."
      },
      {
        "number": "6",
        "name": "IO6",
        "type": "bidirectional",
        "description": "GPIO6 with alternate functions MTCK, LP_GPIO6, LP_I2C_SDA, ADC1_CH6 and FSPICLK."
      },
      {
        "number": "7",
        "name": "IO7",
        "type": "bidirectional",
        "description": "GPIO7 with alternate functions MTDO, LP_GPIO7, LP_I2C_SCL and FSPID."
      },
      {
        "number": "8",
        "name": "IO0",
        "type": "bidirectional",
        "description": "GPIO0 with alternate functions XTAL_32K_P, LP_GPIO0, LP_UART_DTRN and ADC1_CH0."
      },
      {
        "number": "9",
        "name": "IO1",
        "type": "bidirectional",
        "description": "GPIO1 with alternate functions XTAL_32K_N, LP_GPIO1, LP_UART_DSRN and ADC1_CH1."
      },
      {
        "number": "10",
        "name": "IO8",
        "type": "bidirectional",
        "description": "GPIO8, which is also a boot-mode and ROM-message strapping pin."
      },
      {
        "number": "11",
        "name": "IO10",
        "type": "bidirectional",
        "description": "GPIO10 general-purpose I/O."
      },
      {
        "number": "12",
        "name": "IO11",
        "type": "bidirectional",
        "description": "GPIO11 general-purpose I/O."
      },
      {
        "number": "13",
        "name": "IO12",
        "type": "bidirectional",
        "description": "GPIO12 with alternate function USB_D- (USB Serial/JTAG)."
      },
      {
        "number": "14",
        "name": "IO13",
        "type": "bidirectional",
        "description": "GPIO13 with alternate function USB_D+ (USB Serial/JTAG)."
      },
      {
        "number": "15",
        "name": "IO9",
        "type": "bidirectional",
        "description": "GPIO9, which is also a boot-mode strapping pin (weak pull-up by default)."
      },
      {
        "number": "16",
        "name": "IO18",
        "type": "bidirectional",
        "description": "GPIO18 with alternate functions SDIO_CMD and FSPICS2."
      },
      {
        "number": "17",
        "name": "IO19",
        "type": "bidirectional",
        "description": "GPIO19 with alternate functions SDIO_CLK and FSPICS3."
      },
      {
        "number": "18",
        "name": "IO20",
        "type": "bidirectional",
        "description": "GPIO20 with alternate functions SDIO_DATA0 and FSPICS4."
      },
      {
        "number": "19",
        "name": "IO21",
        "type": "bidirectional",
        "description": "GPIO21 with alternate functions SDIO_DATA1 and FSPICS5."
      },
      {
        "number": "20",
        "name": "IO22",
        "type": "bidirectional",
        "description": "GPIO22 with alternate function SDIO_DATA2."
      },
      {
        "number": "21",
        "name": "IO23",
        "type": "bidirectional",
        "description": "GPIO23 with alternate function SDIO_DATA3."
      },
      {
        "number": "22",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected; no internal connection is specified for this pin."
      },
      {
        "number": "23",
        "name": "IO15",
        "type": "bidirectional",
        "description": "GPIO15, which is also the JTAG signal-source strapping pin (no internal pull resistors; must be driven by an external circuit that is not high-impedance)."
      },
      {
        "number": "24",
        "name": "RXD0",
        "type": "bidirectional",
        "description": "UART0 receive (U0RXD) with alternate functions GPIO17 and FSPICS1."
      },
      {
        "number": "25",
        "name": "TXD0",
        "type": "bidirectional",
        "description": "UART0 transmit (U0TXD) with alternate functions GPIO16 and FSPICS0."
      },
      {
        "number": "26",
        "name": "IO3",
        "type": "bidirectional",
        "description": "GPIO3 with alternate functions LP_GPIO3, LP_UART_CTSN and ADC1_CH3."
      },
      {
        "number": "27",
        "name": "IO2",
        "type": "bidirectional",
        "description": "GPIO2 with alternate functions LP_GPIO2, LP_UART_RTSN, ADC1_CH2 and FSPIQ."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection for the module."
      },
      {
        "number": "29",
        "name": "EPAD",
        "type": "power_in",
        "description": "Exposed thermal pad connected to ground; soldering it to the base-board ground is optional and improves thermal performance."
      }
    ],
    "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: The package hint '37-SMD Module' does not match the datasheet. The ESP32-C6-WROOM-1 module (the MPN'; The datasheet covers the -N4, -N8 and -N16 flash variants and the WROOM-1 and WROOM-1U antenna optio; Pin 13 (IO12) text was garbled in the extracted PDF text. USB_D- was inferred from the adjacent pin-"
        ],
        "pages_sent": 52,
        "cost_usd": 0.1133,
        "at": "2026-10-28T17:27:26"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-c6-wroom-1_wroom-1u_datasheet_en.pdf",
        "pages": 52,
        "sha256": "163020762fa6d499",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 29,
        "described": 29,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "seat": "z = 0",
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          18,
          19.2,
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        ],
        "zmin_mm": -0.001,
        "centre_offset_mm": 0.155,
        "footprint_binding": "identity",
        "sha256": "b649e5808e88c432dbbb07a849df13261faeadf7b5b1fd810963ee59272f7fcb",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
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        "sha256": "ddc1a83f33005bdc26d881b7a91aaeb800d268cd01be96e4149ac5f943194f07",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "37-SMD Module",
      "Category": "RF and Wireless",
      "Pins": "29"
    },
    "appearance": {
      "contacts": {
        "quote": "Solder: Sn-Ag-Cu (SAC305) lead-free solder Temperature (°C)",
        "page": 46,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "163020762fa6d499e0c611c5a13e78ad9d4720b421c6bc5e14e16fc748862b73"
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    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "163020762fa6d499e0c611c5a13e78ad9d4720b421c6bc5e14e16fc748862b73",
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        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage",
          "symbol": "VDD33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTORE",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Current delivered by external power supply",
          "symbol": "IVDD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
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        },
        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "85 °C version",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "High-level input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Low-level input current",
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          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 26,
          "source": "datasheet"
        },
        {
          "name": "Chip reset voltage",
          "symbol": "VIL_nRST",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "CHIP_PU voltage is within the specified range",
          "source_page": 27,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (3.3 V)",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Flash, power supply voltage (3.3 V)",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Maximum clock frequency",
          "symbol": "FC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 80,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Program/erase cycles",
          "symbol": "",
          "kind": "electrical",
          "unit": "cycles",
          "min": 100000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Data retention time",
          "symbol": "TRET",
          "kind": "electrical",
          "unit": "years",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Page program time",
          "symbol": "TPP",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 0.8,
          "max": 5,
          "conditions": "",
          "source_page": 28,
          "source": "datasheet"
        },
        {
          "name": "Sector erase time (4 KB)",
          "symbol": "TSE",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": 70,
          "max": 500,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
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        {
          "name": "Block erase time (32 KB)",
          "symbol": "TBE1",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 0.2,
          "max": 2,
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          "source_page": 29,
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        {
          "name": "Block erase time (64 KB)",
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          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 0.3,
          "max": 3,
          "conditions": "",
          "source_page": 29,
          "source": "datasheet"
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        {
          "name": "Chip erase time",
          "symbol": "TCE",
          "kind": "timing",
          "unit": "s",
          "min": null,
          "typ": 20,
          "max": 60,
          "conditions": "Chip erase time (32 Mb)",
          "source_page": 29,
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        {
          "name": "RF transmit power range (Bluetooth LE)",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBm",
          "min": -16,
          "typ": null,
          "max": 19,
          "conditions": "Bluetooth LE RF transmit power range",
          "source_page": 33,
          "source": "datasheet"
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          "name": "Sensitivity",
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          "kind": "electrical",
          "unit": "dBm",
          "min": null,
          "typ": null,
          "max": -98,
          "conditions": "Bluetooth LE 1 Mbps, @30.8% PER",
          "source_page": 34,
          "source": "datasheet"
        },
        {
          "name": "Maximum received signal",
          "symbol": "",
          "kind": "electrical",
          "unit": "dBm",
          "min": null,
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          "unit": "dBm",
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          "source_page": 35,
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          "name": "Maximum received signal",
          "symbol": "",
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          "unit": "dBm",
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          "name": "Sensitivity",
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          "unit": "dBm",
          "min": null,
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          "name": "RF transmit power range (802.15.4)",
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          "unit": "dBm",
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          "source_page": 37,
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