component
JSMRC523
Public Made by Adomby adom
JSMSEMI RFID ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344
{
"slug": "jsmrc523",
"version": "0.1.0",
"type": "component",
"description": "JSMSEMI RFID ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf and wireless",
"jsmrc523",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"jsmrc523.kicad_sym",
"jsmrc523.kicad_mod",
"jsmrc523.glb",
"jsmrc523.step",
"jsmrc523.lbr",
"docs/hero.png",
"docs/jsmrc523-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"jsmrc523-hero.glb",
"jsmrc523-hero.overlay.json",
"jsmrc523-etched.glb"
],
"component": {
"mpn": "JSMRC523",
"manufacturer": "JSMSEMI",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "RF And Wireless",
"subcategory": "RFID ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945477143810048",
"parts": {
"symbol": "jsmrc523.kicad_sym",
"footprint": "jsmrc523.kicad_mod",
"model_3d": "jsmrc523-hero.glb",
"model_3d_plain": "jsmrc523-etched.glb",
"model_3d_step": "jsmrc523-etched.step",
"model_3d_step_plain": "jsmrc523.step",
"lbr": "jsmrc523.lbr"
},
"distributor_links": {
"lcsc": "C2900653"
},
"distributor_check": {
"checked_at": "2026-10-18T01:56:21Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "A1",
"type": "input",
"description": "Address line input."
},
{
"number": "2",
"name": "PVDD",
"type": "power_in",
"description": "Pin power supply."
},
{
"number": "3",
"name": "DVDD",
"type": "power_in",
"description": "Digital power supply."
},
{
"number": "4",
"name": "DVSS",
"type": "power_in",
"description": "Digital ground."
},
{
"number": "5",
"name": "PVSS",
"type": "power_in",
"description": "Pin power supply ground."
},
{
"number": "6",
"name": "NRSTPD",
"type": "input",
"description": "Reset and power-down input: when low, internal blocks including the oscillator stop and the input pins are disconnected from the outside; a rising edge starts the internal reset phase."
},
{
"number": "7",
"name": "SIGIN",
"type": "input",
"description": "Communication interface input that receives the digital serial data stream."
},
{
"number": "8",
"name": "SIGOUT",
"type": "output",
"description": "Communication interface output that outputs the serial data stream."
},
{
"number": "9",
"name": "SVDD",
"type": "power_in",
"description": "I2C pin power supply that powers the I2C pins."
},
{
"number": "10",
"name": "TVSS",
"type": "power_in",
"description": "Ground for the TX1 and TX2 transmitter output stages."
},
{
"number": "11",
"name": "TX1",
"type": "output",
"description": "Carrier transmit output 1."
},
{
"number": "12",
"name": "TVDD",
"type": "power_in",
"description": "Transmitter driver power supply."
},
{
"number": "13",
"name": "TX2",
"type": "output",
"description": "Carrier transmit output 2."
},
{
"number": "14",
"name": "TVSS",
"type": "power_in",
"description": "Transmitter driver power supply ground."
},
{
"number": "15",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply."
},
{
"number": "16",
"name": "VMID",
"type": "power_out",
"description": "Internal reference voltage."
},
{
"number": "17",
"name": "RX",
"type": "input",
"description": "RF signal input."
},
{
"number": "18",
"name": "AVSS",
"type": "power_in",
"description": "Analog ground."
},
{
"number": "19",
"name": "AUX1",
"type": "output",
"description": "Auxiliary output for testing."
},
{
"number": "20",
"name": "AUX2",
"type": "output",
"description": "Auxiliary output for testing."
},
{
"number": "21",
"name": "OSCIN",
"type": "input",
"description": "Crystal oscillator inverting amplifier input, also usable as external clock input (fosc=27.12MHz)."
},
{
"number": "22",
"name": "OSCOUT",
"type": "output",
"description": "Crystal oscillator inverting amplifier output."
},
{
"number": "23",
"name": "IRQ",
"type": "output",
"description": "Interrupt request output indicating an interrupt event."
},
{
"number": "24",
"name": "ALE",
"type": "input",
"description": "Address latch enable: latches AD0-AD5 into the internal address latch when high."
},
{
"number": "25",
"name": "D1",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "26",
"name": "D2",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "27",
"name": "D3",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "28",
"name": "D4",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "29",
"name": "D5",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "30",
"name": "D6",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "31",
"name": "D7",
"type": "bidirectional",
"description": "Bit of the 8-bit bidirectional data bus (D1-D7); the 8-bit parallel interface is not supported, with I2C these pins can define the I2C address, with serial interfaces they can be used as test signals or I/O."
},
{
"number": "32",
"name": "A0",
"type": "input",
"description": "Address line input."
},
{
"number": "33",
"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": "vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The package drawing shows a central exposed pad, but the pin table has no entry for it, so no functi; The table lists VMID as type P (internal reference voltage). I mapped it to power_out, but it may ne; The block diagram on page 4 labels pins 24 and 32 as SDA/NSS/RX and EA, and pin 1 as I2C, which diff",
"exposed pad 33 added from the footprint",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 12,
"cost_usd": 0.3637,
"at": "2026-10-18T01:52:36"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588945477143810048",
"pages": 24,
"sha256": "034421b5859b136a",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "jsmrc523.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "jsmrc523-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "54f981ae0a6cf3a0ac79d630137d78e4ed385b75253c7de056083ef6f11e5fbe",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}