component
CY8C21434-24LTXIT
Public Made by Adomby adom
Infineon Cypress Semicon Microcontrollers (MCU/MPU/SOC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cy8c21434-24ltxit",
"version": "0.1.0",
"type": "component",
"description": "Infineon Cypress Semicon Microcontrollers (MCU/MPU/SOC), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"cy8c21434-24ltxit",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cy8c21434-24ltxit.kicad_sym",
"cy8c21434-24ltxit.kicad_mod",
"cy8c21434-24ltxit.glb",
"cy8c21434-24ltxit.step",
"cy8c21434-24ltxit.lbr",
"docs/hero.png",
"docs/cy8c21434-24ltxit-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy8c21434-24ltxit-hero.glb",
"cy8c21434-24ltxit-hero.overlay.json",
"cy8c21434-24ltxit-etched.glb"
],
"component": {
"mpn": "CY8C21434-24LTXIT",
"manufacturer": "Infineon Cypress Semicon",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913158882385920",
"parts": {
"symbol": "cy8c21434-24ltxit.kicad_sym",
"footprint": "cy8c21434-24ltxit.kicad_mod",
"model_3d": "cy8c21434-24ltxit-hero.glb",
"model_3d_plain": "cy8c21434-24ltxit-etched.glb",
"model_3d_step": "cy8c21434-24ltxit-etched.step",
"model_3d_step_plain": "cy8c21434-24ltxit.step",
"lbr": "cy8c21434-24ltxit.lbr"
},
"distributor_links": {
"lcsc": "C511131",
"digikey": "448-CY8C21434-24LTXITTR-ND",
"mouser": "727-CY8C2143424LTXIT"
},
"distributor_check": {
"checked_at": "2026-10-18T02:31:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C21434-24LTXITTR-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C2143424LTXIT",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P0[1]",
"type": "bidirectional",
"description": "Analog column mux input and integrating input; every port pin also supports digital I/O and connection to the common analog bus."
},
{
"number": "2",
"name": "P2[7]",
"type": "bidirectional",
"description": "Port 2 bit 7 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "3",
"name": "P2[5]",
"type": "bidirectional",
"description": "Port 2 bit 5 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "4",
"name": "P2[3]",
"type": "bidirectional",
"description": "Port 2 bit 3 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "5",
"name": "P2[1]",
"type": "bidirectional",
"description": "Port 2 bit 1 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "6",
"name": "P3[3]",
"type": "bidirectional",
"description": "Port 3 bit 3 general-purpose I/O that connects to the analog mux bus; this pin is P3[3] on the CY8C21434 (on the CY8C21634 it is the SMP pin)."
},
{
"number": "7",
"name": "P3[1]",
"type": "bidirectional",
"description": "Port 3 bit 1 general-purpose I/O that connects to the analog mux bus; this pin is P3[1] on the CY8C21434 (on the CY8C21634 it is VSS)."
},
{
"number": "8",
"name": "P1[7]",
"type": "bidirectional",
"description": "Port 1 bit 7 general-purpose I/O, also the I2C SCL line."
},
{
"number": "9",
"name": "P1[5]",
"type": "bidirectional",
"description": "Port 1 bit 5 general-purpose I/O, also the I2C SDA line."
},
{
"number": "10",
"name": "P1[3]",
"type": "bidirectional",
"description": "Port 1 bit 3 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "11",
"name": "P1[1]",
"type": "bidirectional",
"description": "Port 1 bit 1, also I2C SCL and ISSP-SCLK; ISSP pins are not high Z at POR."
},
{
"number": "12",
"name": "VSS",
"type": "power_in",
"description": "Ground connection; all VSS pins should be brought out to one common GND plane."
},
{
"number": "13",
"name": "P1[0]",
"type": "bidirectional",
"description": "Port 1 bit 0, also I2C SDA and ISSP-SDATA; ISSP pins are not high Z at POR."
},
{
"number": "14",
"name": "P1[2]",
"type": "bidirectional",
"description": "Port 1 bit 2 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "15",
"name": "P1[4]",
"type": "bidirectional",
"description": "Port 1 bit 4, also the optional external clock input (EXTCLK)."
},
{
"number": "16",
"name": "P1[6]",
"type": "bidirectional",
"description": "Port 1 bit 6 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "17",
"name": "XRES",
"type": "input",
"description": "Active high external reset with internal pull-down."
},
{
"number": "18",
"name": "P3[0]",
"type": "bidirectional",
"description": "Port 3 bit 0 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "19",
"name": "P3[2]",
"type": "bidirectional",
"description": "Port 3 bit 2 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "20",
"name": "P2[0]",
"type": "bidirectional",
"description": "Port 2 bit 0 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "21",
"name": "P2[2]",
"type": "bidirectional",
"description": "Port 2 bit 2 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "22",
"name": "P2[4]",
"type": "bidirectional",
"description": "Port 2 bit 4 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "23",
"name": "P2[6]",
"type": "bidirectional",
"description": "Port 2 bit 6 general-purpose I/O that connects to the analog mux bus."
},
{
"number": "24",
"name": "P0[0]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "25",
"name": "P0[2]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "26",
"name": "P0[4]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "27",
"name": "P0[6]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "28",
"name": "VDD",
"type": "power_in",
"description": "Supply voltage."
},
{
"number": "29",
"name": "P0[7]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "30",
"name": "P0[5]",
"type": "bidirectional",
"description": "Analog column mux input; every port pin also supports digital I/O."
},
{
"number": "31",
"name": "P0[3]",
"type": "bidirectional",
"description": "Analog column mux input and integrating input; every port pin also supports digital I/O."
},
{
"number": "32",
"name": "VSS",
"type": "power_in",
"description": "Ground connection; all VSS pins should be brought out to one common GND plane."
},
{
"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 32-pin QFN exposed center pad (E-Pad) has no pin number in the datasheet, so it is not listed. N; The ordering table lists CY8C21434-24LTXIT as the 1.00 max Sawn QFN and refers to page 12 for pin di; KiCad types for GPIO pins are mapped from the datasheet's 'I/O' label to bidirectional. The datashee",
"exposed pad 33 added from the footprint"
],
"pages_sent": 35,
"cost_usd": 0.1837,
"at": "2026-10-18T02:29:36"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588913158882385920",
"pages": 60,
"sha256": "7db3409733a84c2e",
"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": "cy8c21434-24ltxit.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": "cy8c21434-24ltxit-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": "1e72605272f590b2dbbccc06c904001e0d7ec102e3e4cb216c819920ffe2fbca",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}