component
CY8C20055-24LKXI
Public Made by Adomby adom
Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"type": "component",
"slug": "cy8c20055-24lkxi",
"title": "CY8C20055-24LKXI",
"brief": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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"cy8c20055-24lkxi",
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"component": {
"mpn": "CY8C20055-24LKXI",
"manufacturer": "Cypress Semicon",
"package": "QFN-16(3x3)",
"pin_count": 17,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://www.infineon.com/dgdl/Infineon-PSOC_CY8C20XX7_S_CY8C20055_TECHNICAL_REFERENCE_MANUAL_(TRM)-AdditionalTechnicalInformation-v03_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0f90fbf67e30&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all",
"parts": {
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"footprint": "cy8c20055-24lkxi.kicad_mod",
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"model_3d_plain": "cy8c20055-24lkxi-etched.glb",
"model_3d_step": "cy8c20055-24lkxi-etched.step",
"model_3d_step_plain": "cy8c20055-24lkxi.step",
"lbr": "cy8c20055-24lkxi.lbr"
},
"distributor_links": {
"lcsc": "C1520990",
"digikey": "2015-CY8C20055-24LKXI-ND"
},
"distributor_check": {
"checked_at": "2026-10-27T09:39:07Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "2015-CY8C20055-24LKXI-ND",
"status": "found"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "P2[5]",
"type": "bidirectional",
"description": "General purpose digital I/O with analog input capability; also XTAL Out."
},
{
"number": "2",
"name": "P2[3]",
"type": "bidirectional",
"description": "General purpose digital I/O with analog input capability; also XTAL In."
},
{
"number": "3",
"name": "P1[7]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; I2C SCL (SPI SS is not available in CY8C20055)."
},
{
"number": "4",
"name": "P1[5]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; I2C SDA (SPI MISO is not available in CY8C20055)."
},
{
"number": "5",
"name": "P1[3]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; SPI CLK (not available in CY8C20055)."
},
{
"number": "6",
"name": "P1[1]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; ISSP clock pin (not High Z at POR), I2C SCL, SPI MOSI (SPI not available in CY8C20055)."
},
{
"number": "7",
"name": "Vss",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "8",
"name": "P1[0]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; ISSP data pin (not High Z at POR), I2C SDA, SPI CLK (SPI not available in CY8C20055)."
},
{
"number": "9",
"name": "P1[2]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input."
},
{
"number": "10",
"name": "P1[4]",
"type": "bidirectional",
"description": "5 mA high-drive, regulated-output-option I/O with analog input; optional external clock EXTCLK."
},
{
"number": "11",
"name": "XRES",
"type": "input",
"description": "Active high external reset with internal pull down."
},
{
"number": "12",
"name": "P0[4]",
"type": "bidirectional",
"description": "5 mA high-drive I/O with analog input."
},
{
"number": "13",
"name": "Vdd",
"type": "power_in",
"description": "Power pin."
},
{
"number": "14",
"name": "P0[7]",
"type": "bidirectional",
"description": "5 mA high-drive I/O with analog input."
},
{
"number": "15",
"name": "P0[3]",
"type": "bidirectional",
"description": "5 mA high-drive I/O with analog input; integrating input."
},
{
"number": "16",
"name": "P0[1]",
"type": "bidirectional",
"description": "5 mA high-drive I/O with analog input; integrating input."
},
{
"number": "17",
"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",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet text doesn't say whether the 3x3 QFN has an exposed center pad. Table 1-2 lists no pad; The text is a Technical Reference Manual and has no ordering information table. The CY8C20055-24LKXI"
],
"pages_sent": 39,
"cost_usd": 0.2871,
"at": "2026-10-27T09:38:51"
},
"datasheet": {
"url": "https://www.infineon.com/dgdl/Infineon-PSOC_CY8C20XX7_S_CY8C20055_TECHNICAL_REFERENCE_MANUAL_(TRM)-AdditionalTechnicalInformation-v03_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0f90fbf67e30&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all",
"pages": 275,
"sha256": "c61db78d674ccf72",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "cy8c20055-24lkxi.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c20055-24lkxi-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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"zmin_mm": 0,
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"footprint_binding": "identity",
"sha256": "b640b40b862381a142dc7ae9ece50b7127b8822bfbc0d6837e8f64fd39bb6d3f",
"checked": "2026-10-27",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Cypress Semicon",
"Package": "QFN-16(3x3)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "17"
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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"discovery_pitch": "CY8C20055-24LKXI (Cypress Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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}