component
ESP32-S2FR-01
Public Made by Adomby adom
Espressif Systems RF and Wireless, 56-VFQFN Exposed Pad. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "esp32-s2fr-01",
"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-s2fr-01",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esp32-s2fr-01.kicad_sym",
"esp32-s2fr-01.kicad_mod",
"esp32-s2fr-01.glb",
"esp32-s2fr-01.step",
"esp32-s2fr-01.lbr",
"docs/hero.png",
"docs/esp32-s2fr-01-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"esp32-s2fr-01-hero.glb",
"esp32-s2fr-01-hero.overlay.json",
"esp32-s2fr-01-etched.glb"
],
"component": {
"mpn": "ESP32-S2FR-01",
"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-s2_datasheet_en.pdf",
"parts": {
"symbol": "esp32-s2fr-01.kicad_sym",
"footprint": "esp32-s2fr-01.kicad_mod",
"model_3d": "esp32-s2fr-01-hero.glb",
"model_3d_plain": "esp32-s2fr-01-etched.glb",
"model_3d_step": "esp32-s2fr-01-etched.step",
"model_3d_step_plain": "esp32-s2fr-01.step",
"lbr": "esp32-s2fr-01.lbr"
},
"distributor_links": {
"mouser": "356-ESP32-S2FR-01"
},
"distributor_check": {
"checked_at": "2026-10-27T23:15:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "deferred",
"error": "shared DigiKey quota guard: 968 calls left today"
},
"mouser": {
"pn": "356-ESP32-S2FR-01",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "VDDA",
"type": "power_in",
"description": "Analog power domain supply input."
},
{
"number": "2",
"name": "LNA_IN",
"type": "bidirectional",
"description": "RF low-noise amplifier input/output signal for the 2.4 GHz radio."
},
{
"number": "3",
"name": "VDD3P3",
"type": "power_in",
"description": "Analog power domain supply input."
},
{
"number": "4",
"name": "VDD3P3",
"type": "power_in",
"description": "Analog power domain supply input."
},
{
"number": "5",
"name": "GPIO0",
"type": "bidirectional",
"description": "Strapping pin for chip boot mode control with weak pull-up at reset; also RTC_GPIO0 and sar_i2c_scl_0."
},
{
"number": "6",
"name": "GPIO1",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH1, ADC1_CH0 and RTC_GPIO1 functions."
},
{
"number": "7",
"name": "GPIO2",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH2, ADC1_CH1 and RTC_GPIO2 functions; input enabled at reset."
},
{
"number": "8",
"name": "GPIO3",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH3, ADC1_CH2 and RTC_GPIO3 functions."
},
{
"number": "9",
"name": "GPIO4",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH4, ADC1_CH3 and RTC_GPIO4 functions."
},
{
"number": "10",
"name": "GPIO5",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH5, ADC1_CH4 and RTC_GPIO5 functions."
},
{
"number": "11",
"name": "GPIO6",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH6, ADC1_CH5 and RTC_GPIO6 functions."
},
{
"number": "12",
"name": "GPIO7",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH7, ADC1_CH6 and RTC_GPIO7 functions."
},
{
"number": "13",
"name": "GPIO8",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH8, ADC1_CH7 and RTC_GPIO8 functions; SUBSPICS1 alternate function."
},
{
"number": "14",
"name": "GPIO9",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH9, ADC1_CH8 and RTC_GPIO9 functions; input enabled at reset."
},
{
"number": "15",
"name": "GPIO10",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH10, ADC1_CH9 and RTC_GPIO10 functions; input enabled at reset."
},
{
"number": "16",
"name": "GPIO11",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH11, ADC2_CH0 and RTC_GPIO11 functions; input enabled at reset."
},
{
"number": "17",
"name": "GPIO12",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH12, ADC2_CH1 and RTC_GPIO12 functions; input enabled at reset."
},
{
"number": "18",
"name": "GPIO13",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH13, ADC2_CH2 and RTC_GPIO13 functions; input enabled at reset."
},
{
"number": "19",
"name": "GPIO14",
"type": "bidirectional",
"description": "General-purpose IO also providing TOUCH14, ADC2_CH3 and RTC_GPIO14 functions; input enabled at reset."
},
{
"number": "20",
"name": "VDD3P3_RTC",
"type": "power_in",
"description": "RTC domain supply input."
},
{
"number": "21",
"name": "XTAL_32K_P",
"type": "bidirectional",
"description": "Positive 32 kHz clock signal for the crystal or oscillator; also RTC_GPIO15 and ADC2_CH4."
},
{
"number": "22",
"name": "XTAL_32K_N",
"type": "bidirectional",
"description": "Negative 32 kHz clock signal for the external crystal or oscillator; also RTC_GPIO16 and ADC2_CH5."
},
{
"number": "23",
"name": "DAC_1",
"type": "bidirectional",
"description": "8-bit DAC channel 1 analog voltage output; also RTC_GPIO17 and ADC2_CH6."
},
{
"number": "24",
"name": "DAC_2",
"type": "bidirectional",
"description": "8-bit DAC channel 2 analog voltage output; also RTC_GPIO18 and ADC2_CH7."
},
{
"number": "25",
"name": "GPIO19",
"type": "bidirectional",
"description": "General-purpose IO; default USB_D- function connects to the USB OTG interface; also RTC_GPIO19 and ADC2_CH8."
},
{
"number": "26",
"name": "GPIO20",
"type": "bidirectional",
"description": "General-purpose IO; default USB_D+ function connects to the USB OTG interface; also RTC_GPIO20 and ADC2_CH9."
},
{
"number": "27",
"name": "VDD3P3_RTC_IO",
"type": "power_in",
"description": "Supply input for the RTC and part of the digital power domains, powering RTC IO pins."
},
{
"number": "28",
"name": "GPIO21",
"type": "bidirectional",
"description": "General-purpose IO also providing RTC_GPIO21 function."
},
{
"number": "29",
"name": "SPICS1",
"type": "bidirectional",
"description": "SPI chip select 1 for in-package PSRAM, powered by VDD_SPI; pin is reserved and should not be used for other purposes."
},
{
"number": "30",
"name": "VDD_SPI",
"type": "power_in",
"description": "Backup power line input or output for in-package and off-package flash/PSRAM SPI IO, configurable via VDD_SPI voltage control."
},
{
"number": "31",
"name": "SPIHD",
"type": "bidirectional",
"description": "SPI hold signal (HOLD# or SIO3) for in-package flash/PSRAM, powered by VDD_SPI; reserved for memory use."
},
{
"number": "32",
"name": "SPIWP",
"type": "bidirectional",
"description": "SPI write-protect signal (WP# or SIO2) for in-package flash/PSRAM, powered by VDD_SPI; reserved for memory use."
},
{
"number": "33",
"name": "SPICS0",
"type": "bidirectional",
"description": "SPI chip select 0 for in-package flash, powered by VDD_SPI; reserved for memory use."
},
{
"number": "34",
"name": "SPICLK",
"type": "bidirectional",
"description": "SPI clock for in-package flash/PSRAM, powered by VDD_SPI; reserved for memory use."
},
{
"number": "35",
"name": "SPIQ",
"type": "bidirectional",
"description": "SPI data line (DO or SO/SIO1) for in-package flash/PSRAM, powered by VDD_SPI; reserved for memory use."
},
{
"number": "36",
"name": "SPID",
"type": "bidirectional",
"description": "SPI data line (DI or SI/SIO0) for in-package flash/PSRAM, powered by VDD_SPI; reserved for memory use."
},
{
"number": "37",
"name": "GPIO33",
"type": "bidirectional",
"description": "Powered by VDD_SPI or VDD3P3_CPU; serves as SPI data line IO4 in 8-line SPI mode and can be a GPIO if no 8-line flash/PSRAM is connected."
},
{
"number": "38",
"name": "GPIO34",
"type": "bidirectional",
"description": "Powered by VDD_SPI or VDD3P3_CPU; serves as SPI data line IO5 in 8-line SPI mode and can be a GPIO if no 8-line flash/PSRAM is connected."
},
{
"number": "39",
"name": "GPIO35",
"type": "bidirectional",
"description": "Powered by VDD_SPI or VDD3P3_CPU; serves as SPI data line IO6 in 8-line SPI mode and can be a GPIO if no 8-line flash/PSRAM is connected."
},
{
"number": "40",
"name": "GPIO36",
"type": "bidirectional",
"description": "Powered by VDD_SPI or VDD3P3_CPU; serves as SPI data line IO7 in 8-line SPI mode and can be a GPIO if no 8-line flash/PSRAM is connected."
},
{
"number": "41",
"name": "GPIO37",
"type": "bidirectional",
"description": "Powered by VDD_SPI or VDD3P3_CPU; serves as SPI DQS signal in 8-line SPI mode and can be a GPIO if no 8-line flash/PSRAM is connected."
},
{
"number": "42",
"name": "GPIO38",
"type": "bidirectional",
"description": "Powered by VDD3P3_CPU; general-purpose IO also providing FSPIWP and SUBSPIWP functions."
},
{
"number": "43",
"name": "MTCK",
"type": "bidirectional",
"description": "JTAG test clock input, also GPIO39; input enabled."
},
{
"number": "44",
"name": "MTDO",
"type": "bidirectional",
"description": "JTAG test data output, also GPIO40."
},
{
"number": "45",
"name": "VDD3P3_CPU",
"type": "power_in",
"description": "Digital power domain supply input for digital IO pins."
},
{
"number": "46",
"name": "MTDI",
"type": "bidirectional",
"description": "JTAG test data input, also GPIO41; input enabled."
},
{
"number": "47",
"name": "MTMS",
"type": "bidirectional",
"description": "JTAG test mode select input, also GPIO42; input enabled."
},
{
"number": "48",
"name": "U0TXD",
"type": "bidirectional",
"description": "UART0 transmit data, default function with weak pull-up enabled at reset; also GPIO43."
},
{
"number": "49",
"name": "U0RXD",
"type": "bidirectional",
"description": "UART0 receive data, default function with weak pull-up enabled at reset; also GPIO44."
},
{
"number": "50",
"name": "GPIO45",
"type": "bidirectional",
"description": "Strapping pin controlling VDD_SPI voltage, with weak pull-down enabled at reset."
},
{
"number": "51",
"name": "VDDA",
"type": "power_in",
"description": "Analog power domain supply input."
},
{
"number": "52",
"name": "XTAL_N",
"type": "passive",
"description": "Negative differential external clock input/output connected to the chip oscillator."
},
{
"number": "53",
"name": "XTAL_P",
"type": "passive",
"description": "Positive differential external clock input/output connected to the chip oscillator."
},
{
"number": "54",
"name": "VDDA",
"type": "power_in",
"description": "Analog power domain supply input."
},
{
"number": "55",
"name": "GPIO46",
"type": "input",
"description": "Input-only GPIO with fixed pull-down; strapping pin for chip boot mode and ROM message printing control."
},
{
"number": "56",
"name": "CHIP_PU",
"type": "input",
"description": "Chip enable pin: high starts the chip, low shuts it down; must not be left floating."
},
{
"number": "57",
"name": "GND",
"type": "power_in",
"description": "External ground connection, serving as the ground return for the 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: The MPN ESP32-S2FR-01 does not appear in this datasheet text. The listed variants are ESP32-S2, ESP3; Datasheet section 7 states the two QFN56 packages differ only in exposed pad (EPAD) size. The text g; Only 39 of 65 pages were provided. Electrical characteristics (Section 5) and the Figure 7-1 and 7-2"
],
"pages_sent": 39,
"cost_usd": 0.1477,
"at": "2026-10-27T23:15:47"
},
"datasheet": {
"url": "https://www.espressif.com/sites/default/files/documentation/esp32-s2_datasheet_en.pdf",
"pages": 65,
"sha256": "7c0c54f11e79cc77",
"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-s2fr-01.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-s2fr-01-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": "485df46775a1677b5e3c3eb00279a49f256574207815236cfb3b049d1d5164e0",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}