component
NRF52811-QFAA-R
Public Made by Adomby adom
Nordic Semicon RF Transceiver ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"version": "0.1.0",
"type": "component",
"description": "Nordic Semicon RF Transceiver ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf and wireless",
"nrf52811-qfaa-r",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"nrf52811-qfaa-r.kicad_mod",
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"nrf52811-qfaa-r.step",
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"component": {
"mpn": "NRF52811-QFAA-R",
"manufacturer": "Nordic Semicon",
"package": "QFN-48-EP(6x6)",
"pin_count": 49,
"category": "RF And Wireless",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914529530466304",
"parts": {
"symbol": "nrf52811-qfaa-r.kicad_sym",
"footprint": "nrf52811-qfaa-r.kicad_mod",
"model_3d": "nrf52811-qfaa-r-hero.glb",
"model_3d_plain": "nrf52811-qfaa-r-etched.glb",
"model_3d_step": "nrf52811-qfaa-r-etched.step",
"model_3d_step_plain": "nrf52811-qfaa-r.step",
"lbr": "nrf52811-qfaa-r.lbr"
},
"distributor_links": {
"lcsc": "C556895",
"digikey": "4823-NRF52811-QFAA-RTR-ND",
"mouser": "949-NRF52811-QFAA-R"
},
"distributor_check": {
"checked_at": "2026-10-19T00:05:41Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "4823-NRF52811-QFAA-RTR-ND",
"status": "found"
},
"mouser": {
"pn": "949-NRF52811-QFAA-R",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "DEC1",
"type": "passive",
"description": "0.9 V regulator digital supply decoupling."
},
{
"number": "2",
"name": "P0.00/XL1",
"type": "bidirectional",
"description": "General purpose I/O, also analog input XL1 for connection of the 32.768 kHz crystal (LFXO)."
},
{
"number": "3",
"name": "P0.01/XL2",
"type": "bidirectional",
"description": "General purpose I/O, also XL2 for connection of the 32.768 kHz crystal (LFXO)."
},
{
"number": "4",
"name": "P0.02/AIN0",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN0."
},
{
"number": "5",
"name": "P0.03/AIN1",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN1."
},
{
"number": "6",
"name": "P0.04/AIN2",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN2."
},
{
"number": "7",
"name": "P0.05/AIN3",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN3."
},
{
"number": "8",
"name": "P0.06",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "9",
"name": "P0.07",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "10",
"name": "P0.08",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "11",
"name": "P0.09",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "12",
"name": "P0.10",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "13",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin (1.7 V to 3.6 V supply range per feature list)."
},
{
"number": "14",
"name": "P0.11",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "15",
"name": "P0.12",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "16",
"name": "P0.13",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "17",
"name": "P0.14",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "18",
"name": "P0.15",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "19",
"name": "P0.16",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "20",
"name": "P0.17",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "21",
"name": "P0.18",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "22",
"name": "P0.19",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "23",
"name": "P0.20",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "24",
"name": "P0.21/nRESET",
"type": "bidirectional",
"description": "General purpose I/O, also usable as the nRESET reset pin."
},
{
"number": "25",
"name": "SWDCLK",
"type": "input",
"description": "Serial wire debug clock input."
},
{
"number": "26",
"name": "SWDIO",
"type": "bidirectional",
"description": "Serial wire debug I/O."
},
{
"number": "27",
"name": "P0.22",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "28",
"name": "P0.23",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "29",
"name": "P0.24",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "30",
"name": "ANT",
"type": "passive",
"description": "Single-ended 2.4 GHz radio antenna connection (on-chip balun)."
},
{
"number": "31",
"name": "VSS",
"type": "power_in",
"description": "Ground."
},
{
"number": "32",
"name": "DEC2",
"type": "passive",
"description": "Regulator decoupling pin."
},
{
"number": "33",
"name": "DEC3",
"type": "passive",
"description": "Regulator decoupling pin."
},
{
"number": "34",
"name": "XC1",
"type": "input",
"description": "Connection for the 32 MHz crystal."
},
{
"number": "35",
"name": "XC2",
"type": "output",
"description": "Connection for the 32 MHz crystal."
},
{
"number": "36",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin (1.7 V to 3.6 V supply range per feature list)."
},
{
"number": "37",
"name": "P0.25",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "38",
"name": "P0.26",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "39",
"name": "P0.27",
"type": "bidirectional",
"description": "General purpose I/O."
},
{
"number": "40",
"name": "P0.28/AIN4",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN4."
},
{
"number": "41",
"name": "P0.29/AIN5",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN5."
},
{
"number": "42",
"name": "P0.30/AIN6",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN6."
},
{
"number": "43",
"name": "P0.31/AIN7",
"type": "bidirectional",
"description": "General purpose I/O with analog input AIN7."
},
{
"number": "44",
"name": "NC",
"type": "unconnected",
"description": "No connect."
},
{
"number": "45",
"name": "VSS",
"type": "power_in",
"description": "Ground."
},
{
"number": "46",
"name": "DEC4",
"type": "passive",
"description": "Regulator decoupling pin."
},
{
"number": "47",
"name": "DCC",
"type": "passive",
"description": "DC/DC converter output."
},
{
"number": "48",
"name": "VDD",
"type": "power_in",
"description": "Power supply pin (1.7 V to 3.6 V supply range per feature list)."
},
{
"number": "49",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Only the pin table rows for pins 1 and 2 were visible on page 416; the pin-to-name map comes from th; The exposed die pad has no pin number in the figure and its connection is not stated on this page, s",
"exposed pad 49 added from the footprint",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 108,
"cost_usd": 3.8038,
"at": "2026-10-19T00:04:59"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914529530466304",
"pages": 444,
"sha256": "610a1a8d407c080b",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "nrf52811-qfaa-r.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "2ae5035c4d2940184043ffa9fc6d0a0e062307bf7985252d28f987e6656a45aa",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "nrf52811-qfaa-r-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
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"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "729ddc1b2b04f75993b2359b853826d3722ab9fd2ca399249ae63af90356fa02",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}