ESP32-S3RH2

{
  "slug": "esp32-s3rh2",
  "version": "0.1.0",
  "type": "component",
  "description": "Espressif Systems RF and Wireless, 56-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rf and wireless",
    "esp32-s3rh2",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-s3rh2.kicad_sym",
    "esp32-s3rh2.kicad_mod",
    "esp32-s3rh2.glb",
    "esp32-s3rh2.step",
    "esp32-s3rh2.lbr",
    "docs/hero.png",
    "docs/esp32-s3rh2-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp32-s3rh2-hero.glb",
    "esp32-s3rh2-hero.overlay.json",
    "esp32-s3rh2-etched.glb"
  ],
  "component": {
    "mpn": "ESP32-S3RH2",
    "manufacturer": "Espressif Systems",
    "package": "56-VFQFN Exposed Pad",
    "pin_count": 57,
    "category": "RF and Wireless",
    "subcategory": "RF and Wireless",
    "datasheet": "https://www.espressif.com/sites/default/files/documentation/esp32-s3_datasheet_en.pdf",
    "parts": {
      "symbol": "esp32-s3rh2.kicad_sym",
      "footprint": "esp32-s3rh2.kicad_mod",
      "model_3d": "esp32-s3rh2-hero.glb",
      "model_3d_plain": "esp32-s3rh2-etched.glb",
      "model_3d_step": "esp32-s3rh2-etched.step",
      "model_3d_step_plain": "esp32-s3rh2.step",
      "lbr": "esp32-s3rh2.lbr"
    },
    "distributor_links": {
      "mouser": "356-ESP32-S3RH2"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T23:35:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 952 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-S3RH2",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LNA_IN",
        "type": "bidirectional",
        "description": "RF Low Noise Amplifier input/output signal for the 2.4 GHz radio."
      },
      {
        "number": "2",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Input supply for the analog power domain."
      },
      {
        "number": "3",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Input supply for the analog power domain."
      },
      {
        "number": "4",
        "name": "CHIP_PU",
        "type": "input",
        "description": "High enables the chip and low powers it down; the pin must not be left floating."
      },
      {
        "number": "5",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC with a weak pull-up at reset; it is a strapping pin for chip boot mode."
      },
      {
        "number": "6",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO1, TOUCH1 and ADC1_CH0 functions."
      },
      {
        "number": "7",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO2, TOUCH2 and ADC1_CH1 functions."
      },
      {
        "number": "8",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; floating at reset and used as a strapping pin for the JTAG signal source."
      },
      {
        "number": "9",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO4, TOUCH4 and ADC1_CH3 functions."
      },
      {
        "number": "10",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO5, TOUCH5 and ADC1_CH4 functions."
      },
      {
        "number": "11",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO6, TOUCH6 and ADC1_CH5 functions."
      },
      {
        "number": "12",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO7, TOUCH7 and ADC1_CH6 functions."
      },
      {
        "number": "13",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO8, TOUCH8, ADC1_CH7 and SUBSPICS1 functions."
      },
      {
        "number": "14",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO9, TOUCH9, ADC1_CH8 and SUBSPIHD/FSPIHD functions."
      },
      {
        "number": "15",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO10, TOUCH10, ADC1_CH9 and SUBSPICS0/FSPICS0 functions."
      },
      {
        "number": "16",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO11, TOUCH11, ADC2_CH0 and SUBSPID/FSPID functions."
      },
      {
        "number": "17",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO12, TOUCH12, ADC2_CH1 and SUBSPICLK/FSPICLK functions."
      },
      {
        "number": "18",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO13, TOUCH13, ADC2_CH2 and SUBSPIQ/FSPIQ functions."
      },
      {
        "number": "19",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; also provides RTC_GPIO14, TOUCH14, ADC2_CH3 and SUBSPIWP/FSPIWP functions."
      },
      {
        "number": "20",
        "name": "VDD3P3_RTC",
        "type": "power_in",
        "description": "Input supply for the RTC and part of the digital power domains, powering the RTC IO pins."
      },
      {
        "number": "21",
        "name": "XTAL_32K_P",
        "type": "bidirectional",
        "description": "32 kHz external clock input/output connected to the chip oscillator; also provides RTC_GPIO15 and ADC2_CH4."
      },
      {
        "number": "22",
        "name": "XTAL_32K_N",
        "type": "bidirectional",
        "description": "Negative terminal of the 32 kHz external clock input/output; also provides RTC_GPIO16 and ADC2_CH5."
      },
      {
        "number": "23",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC with a default drive strength of 10 mA; also provides RTC_GPIO17 and ADC2_CH6."
      },
      {
        "number": "24",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC with a default drive strength of 10 mA; also provides RTC_GPIO18 and ADC2_CH7."
      },
      {
        "number": "25",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC with a default drive strength of 40 mA; defaults to the USB_D- function of the USB Serial/JTAG controller."
      },
      {
        "number": "26",
        "name": "GPIO20",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC with a default drive strength of 40 mA; defaults to the USB_D+ function with the USB pull-up enabled."
      },
      {
        "number": "27",
        "name": "GPIO21",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_RTC; general-purpose IO that also provides RTC_GPIO21."
      },
      {
        "number": "28",
        "name": "SPICS1",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; connects to the in-package PSRAM chip enable (CE#)."
      },
      {
        "number": "29",
        "name": "VDD_SPI",
        "type": "power_in",
        "description": "Power pin acting as an input from the backup power line for in-package memory or as an output supplying in-package and off-package flash/PSRAM SPI IO."
      },
      {
        "number": "30",
        "name": "SPIHD",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; hold signal for the flash/PSRAM SPI bus (HOLD# / SIO3)."
      },
      {
        "number": "31",
        "name": "SPIWP",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; write-protect signal for the flash/PSRAM SPI bus (WP# / SIO2)."
      },
      {
        "number": "32",
        "name": "SPICS0",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; chip select for the in-package flash (CS0)."
      },
      {
        "number": "33",
        "name": "SPICLK",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; clock output for the flash/PSRAM SPI bus."
      },
      {
        "number": "34",
        "name": "SPIQ",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; data line for the flash/PSRAM SPI bus (DO / SO/SIO1)."
      },
      {
        "number": "35",
        "name": "SPID",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI with a weak pull-up at reset; data line for the flash/PSRAM SPI bus (DI / SI/SIO0)."
      },
      {
        "number": "36",
        "name": "SPICLK_N",
        "type": "bidirectional",
        "description": "Negative differential SPI clock powered by VDD_SPI or VDD3P3_CPU, also available as GPIO48."
      },
      {
        "number": "37",
        "name": "SPICLK_P",
        "type": "bidirectional",
        "description": "Positive differential SPI clock powered by VDD_SPI or VDD3P3_CPU, also available as GPIO47."
      },
      {
        "number": "38",
        "name": "GPIO33",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI or VDD3P3_CPU; carries flash/PSRAM data line DQ4 in 8-line SPI mode."
      },
      {
        "number": "39",
        "name": "GPIO34",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI or VDD3P3_CPU; carries flash/PSRAM data line DQ5 in 8-line SPI mode."
      },
      {
        "number": "40",
        "name": "GPIO35",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI or VDD3P3_CPU; carries flash/PSRAM data line DQ6 in 8-line SPI mode."
      },
      {
        "number": "41",
        "name": "GPIO36",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI or VDD3P3_CPU; carries flash/PSRAM data line DQ7 in 8-line SPI mode."
      },
      {
        "number": "42",
        "name": "GPIO37",
        "type": "bidirectional",
        "description": "Powered by VDD_SPI or VDD3P3_CPU; carries the DQS/DM strobe in 8-line SPI mode."
      },
      {
        "number": "43",
        "name": "GPIO38",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU with a default drive strength of 20 mA; general-purpose IO with FSPIWP and SUBSPIWP functions."
      },
      {
        "number": "44",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU; JTAG test clock, also available as GPIO39."
      },
      {
        "number": "45",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU; JTAG test data out, also available as GPIO40."
      },
      {
        "number": "46",
        "name": "VDD3P3_CPU",
        "type": "power_in",
        "description": "Input supply for the digital power domain that powers the digital IO pins."
      },
      {
        "number": "47",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU; JTAG test data in, also available as GPIO41."
      },
      {
        "number": "48",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU; JTAG test mode select, also available as GPIO42."
      },
      {
        "number": "49",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU with a weak pull-up at reset; UART0 transmit data, also available as GPIO43."
      },
      {
        "number": "50",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU with a weak pull-up at reset; UART0 receive data, also available as GPIO44."
      },
      {
        "number": "51",
        "name": "GPIO45",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU with a weak pull-down at reset; strapping pin that sets the VDD_SPI voltage."
      },
      {
        "number": "52",
        "name": "GPIO46",
        "type": "bidirectional",
        "description": "Powered by VDD3P3_CPU with a weak pull-down at reset; strapping pin that sets the chip boot mode and ROM message printing."
      },
      {
        "number": "53",
        "name": "XTAL_N",
        "type": "passive",
        "description": "Negative terminal of the external clock input/output connected to the chip crystal or oscillator."
      },
      {
        "number": "54",
        "name": "XTAL_P",
        "type": "passive",
        "description": "Positive terminal of the external clock input/output connected to the chip crystal or oscillator."
      },
      {
        "number": "55",
        "name": "VDDA",
        "type": "power_in",
        "description": "Input supply for the analog power domain."
      },
      {
        "number": "56",
        "name": "VDDA",
        "type": "power_in",
        "description": "Input supply for the analog power domain."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "External ground connection (exposed pad)."
      }
    ],
    "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: Section 7 states that all ESP32-S3 variants except FH4R2 share the same QFN56 land pattern and pin l"
        ],
        "pages_sent": 52,
        "cost_usd": 0.1984,
        "at": "2026-10-27T23:35:52"
      },
      "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-s3rh2.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a7e1b68d7c240016a0c468e633f7967f445758a90dea110c3eff24882158aaa8",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "esp32-s3rh2-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.92
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bb906fd76748f8f8b3c72dac04b6a43a4876cf2db4325cfcd140665515aa62aa",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}