ESP32-S3FH4R2

{
  "schema_version": 1,
  "type": "component",
  "slug": "esp32-s3fh4r2",
  "title": "ESP32-S3FH4R2",
  "brief": "Espressif Systems WiFi Modules, QFN-56(7x7). 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",
    "iot-communication modules",
    "esp32-s3fh4r2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ESP32-S3FH4R2",
    "manufacturer": "Espressif Systems",
    "package": "QFN-56(7x7)",
    "pin_count": 57,
    "category": "IoT/Communication Modules",
    "subcategory": "WiFi Modules",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-s3fh4r2.kicad_sym",
      "footprint": "esp32-s3fh4r2.kicad_mod",
      "model_3d": "esp32-s3fh4r2-hero.glb",
      "model_3d_plain": "esp32-s3fh4r2-etched.glb",
      "model_3d_step": "esp32-s3fh4r2-etched.step",
      "model_3d_step_plain": "esp32-s3fh4r2.step",
      "lbr": "esp32-s3fh4r2.lbr"
    },
    "distributor_links": {
      "lcsc": "C3013940",
      "mouser": "356-ESP32-S3FH4R2"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T22:56:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 978 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-S3FH4R2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LNA_IN",
        "type": "bidirectional",
        "description": "Low Noise Amplifier (RF LNA) input/output signal for the 2.4 GHz RF path."
      },
      {
        "number": "2",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply input, which must stay within the recommended supply range of the chip."
      },
      {
        "number": "3",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply input, which must stay within the recommended supply range of the chip."
      },
      {
        "number": "4",
        "name": "CHIP_PU",
        "type": "input",
        "description": "Chip enable pin: high enables the chip (powered up) and low disables it (powered down); do not leave this pin floating."
      },
      {
        "number": "5",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "Strapping pin for chip boot mode control, powered by VDD3P3_RTC, with a default weak pull-up at reset and also available as RTC_GPIO0, sar_i2c_scl_0."
      },
      {
        "number": "6",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO1, TOUCH1 and ADC1_CH0, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "7",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO2, TOUCH2 and ADC1_CH1, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "8",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "Strapping pin for JTAG signal source control, powered by VDD3P3_RTC, also RTC_GPIO3, TOUCH3 and ADC1_CH2, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "9",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO4, TOUCH4 and ADC1_CH3, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "10",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO5, TOUCH5 and ADC1_CH4, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "11",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO6, TOUCH6 and ADC1_CH5, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "12",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO7, TOUCH7 and ADC1_CH6, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "13",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO8, TOUCH8 and ADC1_CH7, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "14",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO9, TOUCH9 and ADC1_CH8, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "15",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO10, TOUCH10 and ADC1_CH9, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "16",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO11, TOUCH11 and ADC2_CH0, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "17",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO12, TOUCH12 and ADC2_CH1, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "18",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO13, TOUCH13 and ADC2_CH2, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "19",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC with input enabled at reset, also RTC_GPIO14, TOUCH14 and ADC2_CH3, with a low-level glitch of about 60 us at power-up."
      },
      {
        "number": "20",
        "name": "VDD3P3_RTC",
        "type": "power_in",
        "description": "Input supply for the RTC and part of the digital power domains, which also powers the RTC IO pins."
      },
      {
        "number": "21",
        "name": "XTAL_32K_P",
        "type": "bidirectional",
        "description": "32 kHz external clock positive pin connected to the oscillator, also GPIO15, RTC_GPIO15, U0RTS and ADC2_CH4."
      },
      {
        "number": "22",
        "name": "XTAL_32K_N",
        "type": "bidirectional",
        "description": "32 kHz external clock negative pin connected to the oscillator, also GPIO16, RTC_GPIO16, U0CTS and ADC2_CH5."
      },
      {
        "number": "23",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose IO with a default drive strength of 10 mA, powered by VDD3P3_RTC, also RTC_GPIO17, ADC2_CH6 and U1TXD."
      },
      {
        "number": "24",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "General-purpose IO with a default drive strength of 10 mA, powered by VDD3P3_RTC, also RTC_GPIO18, ADC2_CH7, U1RXD and CLK_OUT3."
      },
      {
        "number": "25",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "USB_D- signal of the USB Serial/JTAG and USB OTG interface with a default drive strength of 40 mA, also GPIO19, RTC_GPIO19, ADC2_CH8 and U1RTS."
      },
      {
        "number": "26",
        "name": "GPIO20",
        "type": "bidirectional",
        "description": "USB_D+ signal of the USB Serial/JTAG and USB OTG interface with a default drive strength of 40 mA and USB pull-up enabled at reset, also GPIO20, RTC_GPIO20, ADC2_CH9 and U1CTS."
      },
      {
        "number": "27",
        "name": "GPIO21",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_RTC, also RTC_GPIO21."
      },
      {
        "number": "28",
        "name": "SPICS1",
        "type": "bidirectional",
        "description": "Chip select 1 for in-package PSRAM (CE#), powered by VDD_SPI with pull-up and input enabled at reset, and reserved for in-package memory."
      },
      {
        "number": "29",
        "name": "VDD_SPI",
        "type": "power_in",
        "description": "Backup power line for in-package memory, which can also act as the output supply for in-package and off-package flash/PSRAM SPI IO."
      },
      {
        "number": "30",
        "name": "SPIHD",
        "type": "bidirectional",
        "description": "Hold signal for in-package flash/PSRAM, powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "31",
        "name": "SPIWP",
        "type": "bidirectional",
        "description": "Write protect signal for in-package flash/PSRAM, powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "32",
        "name": "SPICS0",
        "type": "bidirectional",
        "description": "Chip select 0 for in-package flash (CS#), powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "33",
        "name": "SPICLK",
        "type": "bidirectional",
        "description": "Clock signal for in-package flash/PSRAM, powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "34",
        "name": "SPIQ",
        "type": "bidirectional",
        "description": "Data output (SO/SIO1) for in-package flash/PSRAM, powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "35",
        "name": "SPID",
        "type": "bidirectional",
        "description": "Data input (SI/SIO0) for in-package flash/PSRAM, powered by VDD_SPI with pull-up and input enabled at reset, and not to be used for other purposes."
      },
      {
        "number": "36",
        "name": "SPICLK_N",
        "type": "bidirectional",
        "description": "Differential negative SPI clock, powered by VDD_SPI or VDD3P3_CPU and also available as GPIO48, with input enabled at reset."
      },
      {
        "number": "37",
        "name": "SPICLK_P",
        "type": "bidirectional",
        "description": "Differential positive SPI clock, powered by VDD_SPI or VDD3P3_CPU and also available as GPIO47, with input enabled at reset."
      },
      {
        "number": "38",
        "name": "GPIO33",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD_SPI or VDD3P3_CPU that carries the DQ4 data line for 8-line SPI and can be used as GPIO only if no flash or PSRAM uses 8-line SPI mode."
      },
      {
        "number": "39",
        "name": "GPIO34",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD_SPI or VDD3P3_CPU that carries the DQ5 data line for 8-line SPI and can be used as GPIO only if no flash or PSRAM uses 8-line SPI mode."
      },
      {
        "number": "40",
        "name": "GPIO35",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD_SPI or VDD3P3_CPU that carries the DQ6 data line for 8-line SPI and can be used as GPIO only if no flash or PSRAM uses 8-line SPI mode."
      },
      {
        "number": "41",
        "name": "GPIO36",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD_SPI or VDD3P3_CPU that carries the DQ7 data line for 8-line SPI and can be used as GPIO only if no flash or PSRAM uses 8-line SPI mode."
      },
      {
        "number": "42",
        "name": "GPIO37",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD_SPI or VDD3P3_CPU that carries the DQS/DM strobe for 8-line SPI and can be used as GPIO only if no flash or PSRAM uses 8-line SPI mode."
      },
      {
        "number": "43",
        "name": "GPIO38",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_CPU with input enabled at reset."
      },
      {
        "number": "44",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "JTAG test clock pin powered by VDD3P3_CPU, also GPIO39, and its pull-up depends on the EFUSE_DIS_PAD_JTAG setting."
      },
      {
        "number": "45",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "JTAG test data output pin powered by VDD3P3_CPU, also GPIO40, with input enabled at reset."
      },
      {
        "number": "46",
        "name": "VDD3P3_CPU",
        "type": "power_in",
        "description": "Digital power domain supply input for the digital IO pins."
      },
      {
        "number": "47",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "JTAG test data input pin powered by VDD3P3_CPU, also GPIO41, with input enabled at reset."
      },
      {
        "number": "48",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "JTAG test mode select pin powered by VDD3P3_CPU, also GPIO42, with input enabled at reset."
      },
      {
        "number": "49",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit data pin powered by VDD3P3_CPU with a default weak pull-up at reset, also GPIO43."
      },
      {
        "number": "50",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive data pin powered by VDD3P3_CPU with a default weak pull-up at reset, also GPIO44."
      },
      {
        "number": "51",
        "name": "GPIO45",
        "type": "bidirectional",
        "description": "Strapping pin powered by VDD3P3_CPU with a default weak pull-down at reset, controlling the VDD_SPI voltage."
      },
      {
        "number": "52",
        "name": "GPIO46",
        "type": "bidirectional",
        "description": "Strapping pin powered by VDD3P3_CPU with a default weak pull-down at reset, controlling chip boot mode and ROM message printing."
      },
      {
        "number": "53",
        "name": "XTAL_N",
        "type": "passive",
        "description": "External clock input/output connected to the chip crystal or oscillator, as the negative side of the differential clock."
      },
      {
        "number": "54",
        "name": "XTAL_P",
        "type": "passive",
        "description": "External clock input/output connected to the chip crystal or oscillator, as the positive side of the differential clock."
      },
      {
        "number": "55",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "56",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "External ground connection for the chip."
      }
    ],
    "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: Pins 53 and 54 are printed as XTAL_N and XTAL_P, but the revision history (v0.6) says chip revision ; Figure 7-2 for ESP32-S3FH4R2 shows a larger exposed pad (EPAD, dimensions D2 and E2). The dimensions; The provided text covers 52 of 87 pages. Pin data for all 57 pins was taken from Table 2-1, Table 2-"
        ],
        "pages_sent": 52,
        "cost_usd": 0.1885,
        "at": "2026-10-27T22:56:40"
      },
      "datasheet": {
        "url": "https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf",
        "pages": 87,
        "sha256": "2d5a7cb7fd559d8d",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 57,
        "described": 57,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "esp32-s3fh4r2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "a7e1b68d7c240016a0c468e633f7967f445758a90dea110c3eff24882158aaa8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-s3fh4r2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7,
          7,
          0.92
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1375b8dd5409f2352162e4392c66ae51a3a38b3bf37b40da0857bd0cd0b63800",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Espressif Systems",
      "Package": "QFN-56(7x7)",
      "Category": "IoT/Communication Modules",
      "Pins": "57"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "2d5a7cb7fd559d8d972bd88db32669c0196d23f22d7afaafb0f63d099b589a3f",
      "rows": [
        {
          "name": "Allowed input voltage (input power pins)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "Cumulative IO output current",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1500,
          "conditions": "",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "Recommended input voltage",
          "symbol": "VDDA, VDD3P3",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "Recommended input voltage",
          "symbol": "VDD_SPI (as input)",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "as input",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "Cumulative input current",
          "symbol": "IVDD",
          "kind": "recommended_operating",
          "unit": "A",
          "min": 0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 64,
          "source": "datasheet"
        },
        {
          "name": "DNL (Differential nonlinearity)",
          "symbol": "DNL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "INL (Integral nonlinearity)",
          "symbol": "INL",
          "kind": "electrical",
          "unit": "LSB",
          "min": -8,
          "typ": null,
          "max": 8,
          "conditions": "",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Sampling rate",
          "symbol": "",
          "kind": "electrical",
          "unit": "kSPS",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Total error",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "ATTEN0, effective measurement range of 0 ~ 850",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Total error",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -6,
          "typ": null,
          "max": 6,
          "conditions": "ATTEN1, effective measurement range of 0 ~ 1100",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Total error",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "ATTEN2, effective measurement range of 0 ~ 1600",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Total error",
          "symbol": "",
          "kind": "electrical",
          "unit": "mV",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "ATTEN3, effective measurement range of 0 ~ 2900",
          "source_page": 66,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (1.8 V) flash",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 1.65,
          "typ": 1.8,
          "max": 2,
          "conditions": "",
          "source_page": 68,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (3.3 V) flash",
          "symbol": "VCC",
          "kind": "electrical",
          "unit": "V",
          "min": 2.7,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "",
          "source_page": 68,
          "source": "datasheet"
        },
        {
          "name": "Power supply voltage (1.8 V) PSRAM",
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