component
CY8C4045LQI-S411
Public Made by Adomby adom
Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cy8c4045lqi-s411",
"version": "0.1.0",
"type": "component",
"description": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"cy8c4045lqi-s411",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cy8c4045lqi-s411.kicad_sym",
"cy8c4045lqi-s411.kicad_mod",
"cy8c4045lqi-s411.glb",
"cy8c4045lqi-s411.step",
"cy8c4045lqi-s411.lbr",
"docs/hero.png",
"docs/cy8c4045lqi-s411-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy8c4045lqi-s411-hero.glb",
"cy8c4045lqi-s411-hero.overlay.json",
"cy8c4045lqi-s411-etched.glb"
],
"component": {
"mpn": "CY8C4045LQI-S411",
"manufacturer": "Cypress Semicon",
"package": "QFN-24(4x4)",
"pin_count": 25,
"category": "Single Chip Microcomputer/Microcontroller",
"subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
"datasheet": "https://www.infineon.com/dgdl/Infineon-PSoC_4_PSoC_4000S_Datasheet_Programmable_System-on-Chip_(PSoC_)-DataSheet-v15_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0eda97715cf1&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-file",
"parts": {
"symbol": "cy8c4045lqi-s411.kicad_sym",
"footprint": "cy8c4045lqi-s411.kicad_mod",
"model_3d": "cy8c4045lqi-s411-hero.glb",
"model_3d_plain": "cy8c4045lqi-s411-etched.glb",
"model_3d_step": "cy8c4045lqi-s411-etched.step",
"model_3d_step_plain": "cy8c4045lqi-s411.step",
"lbr": "cy8c4045lqi-s411.lbr"
},
"distributor_links": {
"lcsc": "C2953606",
"digikey": "448-CY8C4045LQI-S411-ND",
"mouser": "727-CY8C4045LQI-S411"
},
"distributor_check": {
"checked_at": "2026-10-23T03:21:16Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C4045LQI-S411-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C4045LQI-S411",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P1.7",
"type": "bidirectional",
"description": "GPIO port 1 bit 7 with no alternate function listed in the pin assignment table."
},
{
"number": "2",
"name": "P2.0",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[0].io[0], tcpwm.line[4]:0, csd.comp, tcpwm.tr_in[4], or Deep Sleep scb[1] I2C SCL:1 / SPI MOSI:2."
},
{
"number": "3",
"name": "P2.1",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[0].io[1], tcpwm.line_compl[4]:0, tcpwm.tr_in[5], or Deep Sleep scb[1] I2C SDA:1 / SPI MISO:2."
},
{
"number": "4",
"name": "P2.6",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[0].io[6], tcpwm.line[1]:1, or scb[1] spi_select3:1."
},
{
"number": "5",
"name": "P2.7",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[0].io[7], tcpwm.line_compl[1]:1, or Deep Sleep lpcomp.comp[0]:1."
},
{
"number": "6",
"name": "P3.0",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[1].io[0], tcpwm.line[0]:0, scb[1] UART RX:1, or Deep Sleep scb[1] I2C SCL:2 / SPI MOSI:0."
},
{
"number": "7",
"name": "P3.2",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[1].io[2], tcpwm.line[1]:0, scb[1] UART CTS:1, SWD data (cpuss.swd_data), or scb[1] SPI clock:0."
},
{
"number": "8",
"name": "P3.3",
"type": "bidirectional",
"description": "GPIO that can be Smart I/O prgio[1].io[3], tcpwm.line_compl[1]:0, scb[1] UART RTS:1, SWD clock (cpuss.swd_clk), or scb[1] spi_select0:0."
},
{
"number": "9",
"name": "P4.0",
"type": "bidirectional",
"description": "GPIO that can be CAPSENSE external reference csd.vref_ext, scb[0] UART RX:0, tcpwm.tr_in[10], or Deep Sleep scb[0] I2C SCL:1 / SPI MOSI:0."
},
{
"number": "10",
"name": "P4.1",
"type": "bidirectional",
"description": "GPIO that can be CAPSENSE csd.cshieldpads, scb[0] UART TX:0, tcpwm.tr_in[11], or Deep Sleep scb[0] I2C SDA:1 / SPI MISO:0."
},
{
"number": "11",
"name": "P4.2",
"type": "bidirectional",
"description": "GPIO that can be CAPSENSE modulator capacitor pad csd.cmodpad, scb[0] UART CTS:0, lpcomp.comp[0]:0, or scb[0] SPI clock:0."
},
{
"number": "12",
"name": "P4.3",
"type": "bidirectional",
"description": "GPIO that can be CAPSENSE csd.csh_tank, scb[0] UART RTS:0, lpcomp.comp[1]:0, or scb[0] spi_select0:0."
},
{
"number": "13",
"name": "P0.0",
"type": "bidirectional",
"description": "GPIO that can be low-power comparator input lpcomp.in_p[0], tcpwm.tr_in[0], or scb[0] spi_select1:0."
},
{
"number": "14",
"name": "P0.1",
"type": "bidirectional",
"description": "GPIO that can be low-power comparator input lpcomp.in_n[0], tcpwm.tr_in[1], or scb[0] spi_select2:0."
},
{
"number": "15",
"name": "P0.4",
"type": "bidirectional",
"description": "GPIO that can be watch crystal input wco.wco_in, scb[1] UART RX:0, or Deep Sleep scb[1] I2C SCL:0 / SPI MOSI:1."
},
{
"number": "16",
"name": "P0.5",
"type": "bidirectional",
"description": "GPIO that can be watch crystal output wco.wco_out, scb[1] UART TX:0, or Deep Sleep scb[1] I2C SDA:0 / SPI MISO:1."
},
{
"number": "17",
"name": "P0.6",
"type": "bidirectional",
"description": "GPIO that can be external clock input srss.ext_clk, scb[1] UART CTS:0, or scb[1] SPI clock:1."
},
{
"number": "18",
"name": "XRES",
"type": "input",
"description": "External reset input pin."
},
{
"number": "19",
"name": "VCCD",
"type": "power_out",
"description": "Regulated digital supply (1.8 V ± 5%); must be bypassed to ground with a 0.1 µF X5R ceramic or better capacitor and not connected to anything else in the 1.8 V to 5.5 V supply mode."
},
{
"number": "20",
"name": "VSSD",
"type": "power_in",
"description": "Ground pin for the digital section."
},
{
"number": "21",
"name": "VDD",
"type": "power_in",
"description": "Power supply to all sections of the chip, 1.8 V to 5.5 V (or 1.71 V to 1.89 V when externally regulated with VCCD shorted)."
},
{
"number": "22",
"name": "VSSA",
"type": "power_in",
"description": "Ground pin for the analog section."
},
{
"number": "23",
"name": "P1.2",
"type": "bidirectional",
"description": "GPIO that can be tcpwm.line[3]:1, scb[0] UART CTS:1, tcpwm.tr_in[2], or scb[0] SPI clock:1."
},
{
"number": "24",
"name": "P1.3",
"type": "bidirectional",
"description": "GPIO that can be tcpwm.line_compl[3]:1, scb[0] UART RTS:1, tcpwm.tr_in[3], or scb[0] spi_select0:1."
},
{
"number": "25",
"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 says the QFN center (exposed) pad should be connected to ground (VSS), or left floatin; The 24-pin QFN column of the pin list shows VSSD at pin 20 and VDD at pin 21 (the shared VDD supplie; The ordering table shows CY8C4045LQI-S411 as a 24-pin QFN part (LQ = QFN, 19 GPIO), which matches th"
],
"pages_sent": 19,
"cost_usd": 0.2071,
"at": "2026-10-23T03:21:01"
},
"datasheet": {
"url": "https://www.infineon.com/dgdl/Infineon-PSoC_4_PSoC_4000S_Datasheet_Programmable_System-on-Chip_(PSoC_)-DataSheet-v15_00-EN.pdf?fileId=8ac78c8c7d0d8da4017d0eda97715cf1&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-file",
"pages": 58,
"sha256": "493ab905a29a5d98",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 25,
"described": 25,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "cy8c4045lqi-s411.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "096fc110543e6d324c5120c2d38e3dca87a389da9b6fac234f1fe40856295ef4",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c4045lqi-s411-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "7012239f4cad83ebe96d8f6881209467af86e920892749807daa5b291e76314a",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}