ESP32-S3R8V

{
  "slug": "esp32-s3r8v",
  "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-s3r8v",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "esp32-s3r8v.kicad_sym",
    "esp32-s3r8v.kicad_mod",
    "esp32-s3r8v.glb",
    "esp32-s3r8v.step",
    "esp32-s3r8v.lbr",
    "docs/hero.png",
    "docs/esp32-s3r8v-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "esp32-s3r8v-hero.glb",
    "esp32-s3r8v-hero.overlay.json"
  ],
  "component": {
    "mpn": "ESP32-S3R8V",
    "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-s3r8v.kicad_sym",
      "footprint": "esp32-s3r8v.kicad_mod",
      "model_3d": "esp32-s3r8v-hero.glb",
      "model_3d_step": "esp32-s3r8v.step",
      "lbr": "esp32-s3r8v.lbr",
      "model_3d_plain": "esp32-s3r8v.glb"
    },
    "distributor_links": {
      "mouser": "356-ESP32-S3R8V"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T23:35:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 952 calls left today"
      },
      "mouser": {
        "pn": "356-ESP32-S3R8V",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "LNA_IN",
        "type": "bidirectional",
        "description": "RF low-noise amplifier input/output signal for the 2.4 GHz receive and transmit path."
      },
      {
        "number": "2",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply input; recommended and maximum voltage ratings are given in Sections 5.1 and 5.2."
      },
      {
        "number": "3",
        "name": "VDD3P3",
        "type": "power_in",
        "description": "Analog power domain supply input; recommended and maximum voltage ratings are given in Sections 5.1 and 5.2."
      },
      {
        "number": "4",
        "name": "CHIP_PU",
        "type": "input",
        "description": "High enables the chip and low disables it (powered down); do not leave this pin floating."
      },
      {
        "number": "5",
        "name": "GPIO0",
        "type": "bidirectional",
        "description": "General-purpose IO and boot-mode strapping pin; weak pull-up at reset, default drive strength 20 mA."
      },
      {
        "number": "6",
        "name": "GPIO1",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO1, TOUCH1 and ADC1_CH0 functions; low-level glitch at power-up for about 60 µs."
      },
      {
        "number": "7",
        "name": "GPIO2",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO2, TOUCH2 and ADC1_CH1 functions; low-level glitch at power-up for about 60 µs."
      },
      {
        "number": "8",
        "name": "GPIO3",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO3, TOUCH3 and ADC1_CH2 functions; strapping pin for JTAG signal source selection."
      },
      {
        "number": "9",
        "name": "GPIO4",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO4, TOUCH4 and ADC1_CH3 functions; default drive strength 20 mA."
      },
      {
        "number": "10",
        "name": "GPIO5",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO5, TOUCH5 and ADC1_CH4 functions; default drive strength 20 mA."
      },
      {
        "number": "11",
        "name": "GPIO6",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO6, TOUCH6 and ADC1_CH5 functions; default drive strength 20 mA."
      },
      {
        "number": "12",
        "name": "GPIO7",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO7, TOUCH7 and ADC1_CH6 functions; default drive strength 20 mA."
      },
      {
        "number": "13",
        "name": "GPIO8",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO8, TOUCH8 and ADC1_CH7 functions; can route SUBSPICS1 signal."
      },
      {
        "number": "14",
        "name": "GPIO9",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO9, TOUCH9 and ADC1_CH8 functions; can route SUBSPIHD or FSPIHD signals."
      },
      {
        "number": "15",
        "name": "GPIO10",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO10, TOUCH10 and ADC1_CH9 functions; can route FSPICS0 or SUBSPICS0 signals."
      },
      {
        "number": "16",
        "name": "GPIO11",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO11, TOUCH11 and ADC2_CH0 functions; can route FSPID or SUBSPID signals."
      },
      {
        "number": "17",
        "name": "GPIO12",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO12, TOUCH12 and ADC2_CH1 functions; can route FSPICLK or SUBSPICLK signals."
      },
      {
        "number": "18",
        "name": "GPIO13",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO13, TOUCH13 and ADC2_CH2 functions; can route FSPIQ or SUBSPIQ signals."
      },
      {
        "number": "19",
        "name": "GPIO14",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO14, TOUCH14 and ADC2_CH3 functions; can route FSPIWP or SUBSPIWP signals."
      },
      {
        "number": "20",
        "name": "VDD3P3_RTC",
        "type": "power_in",
        "description": "Power input for the RTC domain and part of the digital domain, which powers the RTC IO pins."
      },
      {
        "number": "21",
        "name": "XTAL_32K_P",
        "type": "bidirectional",
        "description": "Positive 32 kHz external clock input/output connected to the oscillator; also RTC_GPIO15 and ADC2_CH4."
      },
      {
        "number": "22",
        "name": "XTAL_32K_N",
        "type": "bidirectional",
        "description": "Negative 32 kHz external clock input/output connected to the oscillator; also RTC_GPIO16 and ADC2_CH5."
      },
      {
        "number": "23",
        "name": "GPIO17",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO17, ADC2_CH6 and U1TXD functions; default drive strength 10 mA."
      },
      {
        "number": "24",
        "name": "GPIO18",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO18, ADC2_CH7 and U1RXD functions; default drive strength 10 mA."
      },
      {
        "number": "25",
        "name": "GPIO19",
        "type": "bidirectional",
        "description": "General-purpose IO and USB_D- of the USB Serial/JTAG and USB OTG controller; default drive strength 40 mA."
      },
      {
        "number": "26",
        "name": "GPIO20",
        "type": "bidirectional",
        "description": "General-purpose IO and USB_D+ of the USB Serial/JTAG and USB OTG controller; default drive strength 40 mA."
      },
      {
        "number": "27",
        "name": "GPIO21",
        "type": "bidirectional",
        "description": "General-purpose IO with RTC_GPIO21 function."
      },
      {
        "number": "28",
        "name": "SPICS1",
        "type": "bidirectional",
        "description": "SPI chip select 1 for the in-package PSRAM on this variant; reserved for in-package memory and not for other uses."
      },
      {
        "number": "29",
        "name": "VDD_SPI",
        "type": "power_out",
        "description": "Internal regulator output for in-package flash/PSRAM and SPI IO, set to 1.8 V on ESP32-S3R8V; can also be configured as input."
      },
      {
        "number": "30",
        "name": "SPIHD",
        "type": "bidirectional",
        "description": "SPI hold signal for in-package PSRAM (SIO3 or DQ3 in octal mode); reserved for in-package memory and not for other uses."
      },
      {
        "number": "31",
        "name": "SPIWP",
        "type": "bidirectional",
        "description": "SPI write-protect signal for in-package PSRAM (SIO2 or DQ2 in octal mode); reserved for in-package memory and not for other uses."
      },
      {
        "number": "32",
        "name": "SPICS0",
        "type": "bidirectional",
        "description": "SPI chip select 0 for the in-package flash; reserved for in-package memory and not for other uses."
      },
      {
        "number": "33",
        "name": "SPICLK",
        "type": "bidirectional",
        "description": "SPI clock for in-package flash and PSRAM; reserved for in-package memory and not for other uses."
      },
      {
        "number": "34",
        "name": "SPIQ",
        "type": "bidirectional",
        "description": "SPI data line 1 for in-package flash and PSRAM (DO or DQ1 in octal mode); reserved for in-package memory."
      },
      {
        "number": "35",
        "name": "SPID",
        "type": "bidirectional",
        "description": "SPI data line 0 for in-package flash and PSRAM (DI or DQ0 in octal mode); reserved for in-package memory."
      },
      {
        "number": "36",
        "name": "SPICLK_N",
        "type": "bidirectional",
        "description": "Negative differential SPI clock (GPIO48); on the R8V variant its working voltage is 1.8 V because VDD_SPI is 1.8 V."
      },
      {
        "number": "37",
        "name": "SPICLK_P",
        "type": "bidirectional",
        "description": "Positive differential SPI clock (GPIO47); on the R8V variant its working voltage is 1.8 V because VDD_SPI is 1.8 V."
      },
      {
        "number": "38",
        "name": "GPIO33",
        "type": "bidirectional",
        "description": "General-purpose IO; in octal PSRAM mode it is the DQ4 data line to in-package memory, so usable only if not used for PSRAM."
      },
      {
        "number": "39",
        "name": "GPIO34",
        "type": "bidirectional",
        "description": "General-purpose IO; in octal PSRAM mode it is the DQ5 data line to in-package memory, so usable only if not used for PSRAM."
      },
      {
        "number": "40",
        "name": "GPIO35",
        "type": "bidirectional",
        "description": "General-purpose IO; in octal PSRAM mode it is the DQ6 data line to in-package memory, so usable only if not used for PSRAM."
      },
      {
        "number": "41",
        "name": "GPIO36",
        "type": "bidirectional",
        "description": "General-purpose IO; in octal PSRAM mode it is the DQ7 data line to in-package memory, so usable only if not used for PSRAM."
      },
      {
        "number": "42",
        "name": "GPIO37",
        "type": "bidirectional",
        "description": "General-purpose IO; in octal PSRAM mode it is the DQS/DM strobe line to in-package memory, so usable only if not used for PSRAM."
      },
      {
        "number": "43",
        "name": "GPIO38",
        "type": "bidirectional",
        "description": "General-purpose IO powered by VDD3P3_CPU with FSPIWP and SUBSPIWP alternate functions."
      },
      {
        "number": "44",
        "name": "MTCK",
        "type": "bidirectional",
        "description": "JTAG test clock input (GPIO39); pin floats when EFUSE_DIS_PAD_JTAG is set."
      },
      {
        "number": "45",
        "name": "MTDO",
        "type": "bidirectional",
        "description": "JTAG test data output (GPIO40); powered by VDD3P3_CPU."
      },
      {
        "number": "46",
        "name": "VDD3P3_CPU",
        "type": "power_in",
        "description": "Digital power domain supply input for digital IO pins."
      },
      {
        "number": "47",
        "name": "MTDI",
        "type": "bidirectional",
        "description": "JTAG test data input (GPIO41); powered by VDD3P3_CPU."
      },
      {
        "number": "48",
        "name": "MTMS",
        "type": "bidirectional",
        "description": "JTAG test mode select input (GPIO42); powered by VDD3P3_CPU."
      },
      {
        "number": "49",
        "name": "U0TXD",
        "type": "bidirectional",
        "description": "UART0 transmit data (GPIO43); weak pull-up at reset and default boot-log output."
      },
      {
        "number": "50",
        "name": "U0RXD",
        "type": "bidirectional",
        "description": "UART0 receive data (GPIO44); weak pull-up at reset."
      },
      {
        "number": "51",
        "name": "GPIO45",
        "type": "bidirectional",
        "description": "General-purpose IO and VDD_SPI voltage strapping pin; weak pull-down at reset."
      },
      {
        "number": "52",
        "name": "GPIO46",
        "type": "bidirectional",
        "description": "General-purpose IO and ROM message printing / boot strapping pin; weak pull-down at reset."
      },
      {
        "number": "53",
        "name": "XTAL_N",
        "type": "passive",
        "description": "Negative external clock input/output connected to the chip crystal or oscillator."
      },
      {
        "number": "54",
        "name": "XTAL_P",
        "type": "passive",
        "description": "Positive external clock input/output connected to the chip crystal or oscillator."
      },
      {
        "number": "55",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input; recommended and maximum voltage ratings are given in Sections 5.1 and 5.2."
      },
      {
        "number": "56",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power domain supply input; recommended and maximum voltage ratings are given in Sections 5.1 and 5.2."
      },
      {
        "number": "57",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection; the exposed pad of the QFN56 package is the ground reference."
      }
    ],
    "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: ESP32-S3R8V is listed as End of Life in the datasheet (Table 1-1 and Section 1 product list). The pi; Pins 36 and 37 are named inconsistently across the datasheet. Table 2-1 lists pin 36 as SPICLK_N and; ESP32-S3R8V has in-package octal PSRAM and VDD_SPI at 1.8 V. Pins 28 to 35 and 38 to 42 are used by "
        ],
        "pages_sent": 52,
        "cost_usd": 0.1914,
        "at": "2026-10-27T23:36:01"
      },
      "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-s3r8v.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)"
      }
    ]
  }
}