component
CY8C21345-24SXI
Public Made by Adomby adom
Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), SOIC-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cy8c21345-24sxi",
"version": "0.1.0",
"type": "component",
"description": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), SOIC-28. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"cy8c21345-24sxi",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cy8c21345-24sxi.kicad_sym",
"cy8c21345-24sxi.kicad_mod",
"cy8c21345-24sxi.glb",
"cy8c21345-24sxi.step",
"cy8c21345-24sxi.lbr",
"docs/hero.png",
"docs/cy8c21345-24sxi-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy8c21345-24sxi-hero.glb",
"cy8c21345-24sxi-hero.overlay.json",
"cy8c21345-24sxi-etched.glb"
],
"component": {
"mpn": "CY8C21345-24SXI",
"manufacturer": "Cypress Semicon",
"package": "SOIC-28",
"pin_count": 28,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://www.infineon.com/dgdl/Infineon-CY8C21345_CY8C22345_CY8C22545_PSoC_Programmable_System-on-Chip-DataSheet-v24_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0ec6d23f3d51&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files",
"parts": {
"symbol": "cy8c21345-24sxi.kicad_sym",
"footprint": "cy8c21345-24sxi.kicad_mod",
"model_3d": "cy8c21345-24sxi-hero.glb",
"model_3d_plain": "cy8c21345-24sxi-etched.glb",
"model_3d_step": "cy8c21345-24sxi-etched.step",
"model_3d_step_plain": "cy8c21345-24sxi.step",
"lbr": "cy8c21345-24sxi.lbr"
},
"distributor_links": {
"lcsc": "C2953744",
"digikey": "CY8C21345-24SXI-ND",
"mouser": "727-CY8C2134524SXI"
},
"distributor_check": {
"checked_at": "2026-10-24T00:29:09Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "CY8C21345-24SXI-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C2134524SXI",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P0[7]",
"type": "bidirectional",
"description": "GPIO port 0 bit 7 with analog input and analog mux right (MR) connection; integration capacitor for MR."
},
{
"number": "2",
"name": "P0[5]",
"type": "bidirectional",
"description": "GPIO port 0 bit 5 with analog input and analog mux left (ML) connection; integration capacitor for ML."
},
{
"number": "3",
"name": "P0[3]",
"type": "bidirectional",
"description": "GPIO port 0 bit 3 with analog input and analog mux left (ML) connection."
},
{
"number": "4",
"name": "P0[1]",
"type": "bidirectional",
"description": "GPIO port 0 bit 1 with analog input and analog mux left (ML) connection."
},
{
"number": "5",
"name": "P2[7]",
"type": "bidirectional",
"description": "GPIO port 2 bit 7 with analog input and ML connection; to compare column 0."
},
{
"number": "6",
"name": "P2[5]",
"type": "bidirectional",
"description": "GPIO port 2 bit 5 with ML connection; optional ADC external Vref."
},
{
"number": "7",
"name": "P2[3]",
"type": "bidirectional",
"description": "GPIO port 2 bit 3 with analog mux left (ML) connection."
},
{
"number": "8",
"name": "P2[1]",
"type": "bidirectional",
"description": "GPIO port 2 bit 1 with analog mux left (ML) connection."
},
{
"number": "9",
"name": "Vss",
"type": "power_in",
"description": "Ground connection; all Vss pins should be brought out to one common GND plane."
},
{
"number": "10",
"name": "P1[7]",
"type": "bidirectional",
"description": "GPIO port 1 bit 7 with ML connection; I2C serial clock (SCL)."
},
{
"number": "11",
"name": "P1[5]",
"type": "bidirectional",
"description": "GPIO port 1 bit 5 with ML connection; I2C serial data (SDA)."
},
{
"number": "12",
"name": "P1[3]",
"type": "bidirectional",
"description": "GPIO port 1 bit 3 with analog mux left (ML) connection."
},
{
"number": "13",
"name": "P1[1]",
"type": "bidirectional",
"description": "GPIO port 1 bit 1 with ML connection; I2C SCL and ISSP-SCLK, pulled down to ground in resistive zero drive mode after POR/XRES if ISSP not used."
},
{
"number": "14",
"name": "Vss",
"type": "power_in",
"description": "Ground connection; all Vss pins should be brought out to one common GND plane."
},
{
"number": "15",
"name": "P1[0]",
"type": "bidirectional",
"description": "GPIO port 1 bit 0 with MR connection; I2C SCL/SDATA and ISSP-SDATA, pulled down to ground in resistive zero drive mode after POR/XRES if ISSP not used."
},
{
"number": "16",
"name": "P1[2]",
"type": "bidirectional",
"description": "GPIO port 1 bit 2 with analog mux right (MR) connection."
},
{
"number": "17",
"name": "P1[4]",
"type": "bidirectional",
"description": "GPIO port 1 bit 4 with MR connection; optional external clock input (EXT-CLK)."
},
{
"number": "18",
"name": "P1[6]",
"type": "bidirectional",
"description": "GPIO port 1 bit 6 with analog mux right (MR) connection."
},
{
"number": "19",
"name": "XRES",
"type": "input",
"description": "Active high pin reset with internal pull down."
},
{
"number": "20",
"name": "P2[0]",
"type": "bidirectional",
"description": "GPIO port 2 bit 0 with analog mux right (MR) connection."
},
{
"number": "21",
"name": "P2[2]",
"type": "bidirectional",
"description": "GPIO port 2 bit 2 with analog mux right (MR) connection."
},
{
"number": "22",
"name": "P2[4]",
"type": "bidirectional",
"description": "GPIO port 2 bit 4 with analog mux right (MR) connection."
},
{
"number": "23",
"name": "P2[6]",
"type": "bidirectional",
"description": "GPIO port 2 bit 6 with analog input and MR connection; to compare column 1."
},
{
"number": "24",
"name": "P0[0]",
"type": "bidirectional",
"description": "GPIO port 0 bit 0 with analog input and analog mux right (MR) connection."
},
{
"number": "25",
"name": "P0[2]",
"type": "bidirectional",
"description": "GPIO port 2 bit 2 of port 0 with analog input and analog mux right (MR) connection."
},
{
"number": "26",
"name": "P0[4]",
"type": "bidirectional",
"description": "GPIO port 0 bit 4 with analog input and analog mux right (MR) connection."
},
{
"number": "27",
"name": "P0[6]",
"type": "bidirectional",
"description": "GPIO port 0 bit 6 with analog input and analog mux right (MR) connection."
},
{
"number": "28",
"name": "Vdd",
"type": "power_in",
"description": "Supply voltage; device operating range is 3.0 V to 5.25 V."
}
],
"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: Pin 25 description wording is awkward; it is simply GPIO port 0 bit 2 with analog input and MR conne"
],
"pages_sent": 20,
"cost_usd": 0.2326,
"at": "2026-10-24T00:28:57"
},
"datasheet": {
"url": "https://www.infineon.com/dgdl/Infineon-CY8C21345_CY8C22345_CY8C22545_PSoC_Programmable_System-on-Chip-DataSheet-v24_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0ec6d23f3d51&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files",
"pages": 40,
"sha256": "d84b5190da05c378",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 28,
"described": 28,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cy8c21345-24sxi.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
17.9,
2.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "b889a13dbe9ec59e79fa9f1b5118b00bfa54f9582392335ff3365b64afc264b1",
"checked": "2026-10-24",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c21345-24sxi-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
17.9,
2.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "910bcbd0f18c4fb4ce18fdafd238b082f8857062bd84fcf275259f81c03a370c",
"checked": "2026-10-24",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}