component
WK2212-IQNG
Public Made by Adomby adom
WEIKAI Interface - Specialized, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "wk2212-iqng",
"version": "0.1.0",
"type": "component",
"description": "WEIKAI Interface - Specialized, QFN-32-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"communication interface chip-uart-485-232",
"wk2212-iqng",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"wk2212-iqng.kicad_sym",
"wk2212-iqng.kicad_mod",
"wk2212-iqng.glb",
"wk2212-iqng.step",
"wk2212-iqng.lbr",
"docs/hero.png",
"docs/wk2212-iqng-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"wk2212-iqng-hero.glb",
"wk2212-iqng-hero.overlay.json",
"wk2212-iqng-etched.glb"
],
"component": {
"mpn": "WK2212-IQNG",
"manufacturer": "WEIKAI",
"package": "QFN-32-EP(4x4)",
"pin_count": 33,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "Interface - Specialized",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/93be34f5f1fdecbaecd4744ac638d579.pdf",
"parts": {
"symbol": "wk2212-iqng.kicad_sym",
"footprint": "wk2212-iqng.kicad_mod",
"model_3d": "wk2212-iqng-hero.glb",
"model_3d_plain": "wk2212-iqng-etched.glb",
"model_3d_step": "wk2212-iqng-etched.step",
"model_3d_step_plain": "wk2212-iqng.step",
"lbr": "wk2212-iqng.lbr"
},
"distributor_links": {
"lcsc": "C2987671"
},
"distributor_check": {
"checked_at": "2026-10-28T21:09:36Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "OSCI",
"type": "input",
"description": "Crystal oscillator input; a 1M resistor must be connected in parallel with the crystal."
},
{
"number": "2",
"name": "OSCO",
"type": "output",
"description": "Crystal oscillator output."
},
{
"number": "3",
"name": "MP3",
"type": "bidirectional",
"description": "Multi-function pin: CS chip select, active low, in 8-bit parallel mode; SSEL SPI chip select, active low, in SPI mode; IA1 IIC device address bit in IIC mode; IR infrared mode select in UART mode (IR=0 infrared, IR=1 normal UART, default high)."
},
{
"number": "4",
"name": "MP2",
"type": "bidirectional",
"description": "Multi-function pin: WR write strobe, active low, in parallel mode; SCLK SPI clock input in SPI mode; SCL IIC clock input in IIC mode; MRX main-port UART receive in UART mode."
},
{
"number": "5",
"name": "MP1",
"type": "bidirectional",
"description": "Multi-function pin: RD read strobe, active low, in parallel mode; MOSI in SPI mode; IA0 IIC device address bit in IIC mode; MTX main-port UART transmit in UART mode."
},
{
"number": "6",
"name": "MP0",
"type": "bidirectional",
"description": "Multi-function pin: AD data/address select in parallel mode (AD=0 register address write, AD=1 register data write); MISO in SPI mode; SDA in IIC mode; NC in UART mode."
},
{
"number": "7",
"name": "DAT7",
"type": "bidirectional",
"description": "Parallel data bus bit 7 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "8",
"name": "DAT6",
"type": "bidirectional",
"description": "Parallel data bus bit 6 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "9",
"name": "DAT5",
"type": "bidirectional",
"description": "Parallel data bus bit 5 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "10",
"name": "DAT4",
"type": "bidirectional",
"description": "Parallel data bus bit 4 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "11",
"name": "DAT3",
"type": "bidirectional",
"description": "Parallel data bus bit 3 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "12",
"name": "DAT2",
"type": "bidirectional",
"description": "Parallel data bus bit 2 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "13",
"name": "DAT1",
"type": "bidirectional",
"description": "Parallel data bus bit 1 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "14",
"name": "DAT0",
"type": "bidirectional",
"description": "Parallel data bus bit 0 in parallel mode; usable as GPIO when the main interface is not parallel mode."
},
{
"number": "15",
"name": "RSTN",
"type": "input",
"description": "Hardware reset input, active low."
},
{
"number": "16",
"name": "VDD",
"type": "power_in",
"description": "Power supply, 2.5 V to 5.0 V operating voltage."
},
{
"number": "17",
"name": "IRQ",
"type": "output",
"description": "Interrupt output, active low; an external pull-up resistor is recommended, typically 5.1 kΩ."
},
{
"number": "18",
"name": "CTS2",
"type": "input",
"description": "Sub-channel 2 clear-to-send input, active low; CTS2=0 indicates the external UART is ready to receive data from the WK2212."
},
{
"number": "19",
"name": "TX2",
"type": "output",
"description": "Sub-channel 2 UART serial data output."
},
{
"number": "20",
"name": "RX2",
"type": "input",
"description": "Sub-channel 2 UART serial data input."
},
{
"number": "21",
"name": "RTS2",
"type": "output",
"description": "Sub-channel 2 request-to-send output, active low; signals the WK2212 sub-channel 2 is ready to receive."
},
{
"number": "22",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "23",
"name": "MD0",
"type": "input",
"description": "Main interface mode select together with MD1: MD1 MD0 = 00 SPI, 01 8-bit parallel bus, 10 IIC, 11 UART; internal pull-up, so floating selects UART (11)."
},
{
"number": "24",
"name": "MD1",
"type": "input",
"description": "Main interface mode select together with MD0: MD1 MD0 = 00 SPI, 01 8-bit parallel bus, 10 IIC, 11 UART; internal pull-up, so floating selects UART (11)."
},
{
"number": "25",
"name": "CTS1",
"type": "input",
"description": "Sub-channel 1 clear-to-send input, active low; CTS1=0 indicates the external UART is ready to receive data from the WK2212."
},
{
"number": "26",
"name": "TX1",
"type": "output",
"description": "Sub-channel 1 UART serial data output."
},
{
"number": "27",
"name": "RX1",
"type": "input",
"description": "Sub-channel 1 UART serial data input."
},
{
"number": "28",
"name": "RTS1",
"type": "output",
"description": "Sub-channel 1 request-to-send output, active low; signals the WK2212 sub-channel 1 is ready to receive."
},
{
"number": "29",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "30",
"name": "VDD",
"type": "power_in",
"description": "Power supply, 2.5 V to 5.0 V operating voltage."
},
{
"number": "31",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"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-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 datasheet gives the DAT7-DAT0 group as pins 7-14 without an explicit pin-by-pin mapping; the seq; The datasheet describes a QFN32 package with 4.00 x 4.00 mm body and 0.40 mm pitch, but does not men; VDD is listed on two pins (16 and 30) in the pin description table; both are reported as VDD as prin",
"exposed pad 33 added from the footprint"
],
"pages_sent": 44,
"cost_usd": 0.1785,
"at": "2026-10-28T21:09:14"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/93be34f5f1fdecbaecd4744ac638d579.pdf",
"pages": 44,
"sha256": "4d238c36c2d19bb2",
"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": "wk2212-iqng.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.6
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7b482a511cdf2cf875c31931f9fea7f745b8dac2ea6203531cd6604f40a290cb",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "wk2212-iqng-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.6
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "4287af574c15c3fffec87d56650821ce37afb95da2b4145c97429197d5589bd3",
"checked": "2026-10-28",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}