component
CY8C4045LQI-S412
Public Made by Adomby adom
Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "cy8c4045lqi-s412",
"title": "CY8C4045LQI-S412",
"brief": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"single chip microcomputer-microcontroller",
"cy8c4045lqi-s412",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CY8C4045LQI-S412",
"manufacturer": "Cypress Semicon",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"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-s412.kicad_sym",
"footprint": "cy8c4045lqi-s412.kicad_mod",
"model_3d": "cy8c4045lqi-s412-hero.glb",
"model_3d_plain": "cy8c4045lqi-s412-etched.glb",
"model_3d_step": "cy8c4045lqi-s412-etched.step",
"model_3d_step_plain": "cy8c4045lqi-s412.step",
"lbr": "cy8c4045lqi-s412.lbr"
},
"distributor_links": {
"lcsc": "C2953559",
"digikey": "448-CY8C4045LQI-S412-ND",
"mouser": "727-CY8C4045LQI-S412"
},
"distributor_check": {
"checked_at": "2026-11-02T17:00:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C4045LQI-S412-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C4045LQI-S412",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P1.7",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "2",
"name": "P2.0",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "3",
"name": "P2.1",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "4",
"name": "P2.2",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "5",
"name": "P2.3",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "6",
"name": "P2.5",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "7",
"name": "P2.6",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "8",
"name": "P2.7",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "9",
"name": "P3.0",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "10",
"name": "P3.1",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "11",
"name": "P3.2",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "12",
"name": "P3.3",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "13",
"name": "P4.0",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "14",
"name": "P4.1",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "15",
"name": "P4.2",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "16",
"name": "P4.3",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "17",
"name": "P0.0",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "18",
"name": "P0.1",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "19",
"name": "P0.2",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "20",
"name": "P0.3",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "21",
"name": "P0.4",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "22",
"name": "P0.5",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "23",
"name": "P0.6",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "24",
"name": "XRES",
"type": "input",
"description": "Reset pin listed in the pin table; the provided datasheet text gives no electrical limits for it."
},
{
"number": "25",
"name": "VCCD",
"type": "power_out",
"description": "Regulated digital supply (1.8 V ± 5%) that must be bypassed to ground with a 0.1 µF X5R ceramic or better capacitor and connected to nothing else in Mode 1."
},
{
"number": "26",
"name": "VSSD",
"type": "power_in",
"description": "Ground pin for the digital section."
},
{
"number": "27",
"name": "VDD",
"type": "power_in",
"description": "Power supply to all sections of the chip, 1.8 V to 5.5 V in Mode 1 or 1.71 V to 1.89 V externally regulated in Mode 2."
},
{
"number": "28",
"name": "VSSA",
"type": "power_in",
"description": "Ground pin for the analog section."
},
{
"number": "29",
"name": "P1.0",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "30",
"name": "P1.1",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "31",
"name": "P1.2",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"number": "32",
"name": "P1.3",
"type": "bidirectional",
"description": "GPIO pin with eight selectable drive modes, CMOS or LVTTL input threshold, and programmable slew rate; it can be configured as CAPSENSE, analog, or digital."
},
{
"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 exposed thermal pad (EPAD) of the 32-pin QFN is not listed as a numbered pin in Table 1, so it i; Pin 27 is shared in Table 1 by VDDD, VDDA and VDD; the 32-pin QFN list gives it as VDD, and it is re; The datasheet text does not state electrical limits for XRES; its description is taken from the pin "
],
"pages_sent": 19,
"cost_usd": 0.0481,
"at": "2026-11-02T17:00:34"
},
"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": "mfr"
},
"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": "cy8c4045lqi-s412.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c4045lqi-s412-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "896ae12159ea6d4fc0c9a23003b943be4686d2b97003f8df4d726d268c312077",
"checked": "2026-11-02",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Cypress Semicon",
"Package": "QFN-32-EP(5x5)",
"Category": "Single Chip Microcomputer/Microcontroller",
"Pins": "33"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "493ab905a29a5d98efe8be8915e59b79db1e53efb153c5de380852e4fe685413",
"rows": [
{
"name": "Digital supply relative to VSS",
"symbol": "VDDD_ABS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Direct digital core voltage input relative to VSS",
"symbol": "VCCD_ABS",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 1.95,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Maximum current per GPIO",
"symbol": "IGPIO_ABS",
"kind": "absolute_maximum",
"unit": "mA",
"min": -25,
"typ": null,
"max": 25,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "GPIO injection current, Max for VIH > VDDD, and Min for VIL < VSS",
"symbol": "IGPIO_injection",
"kind": "absolute_maximum",
"unit": "mA",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "Current injected per pin",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Electrostatic discharge human body model",
"symbol": "ESD_HBM",
"kind": "absolute_maximum",
"unit": "V",
"min": 2200,
"typ": null,
"max": null,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Electrostatic discharge charged device model",
"symbol": "ESD_CDM",
"kind": "absolute_maximum",
"unit": "V",
"min": 500,
"typ": null,
"max": null,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Pin current for latch-up",
"symbol": "LU",
"kind": "absolute_maximum",
"unit": "mA",
"min": -140,
"typ": null,
"max": 140,
"conditions": "",
"source_page": 21,
"source": "datasheet"
},
{
"name": "Power supply input voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "Internally regulated supply",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Power supply input voltage (VCCD = VDD = VDDA)",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 1.71,
"typ": null,
"max": 1.89,
"conditions": "Internally unregulated supply",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Active mode operating current, execute from flash, CPU at 6 MHz",
"symbol": "IDD5",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.2,
"max": 2,
"conditions": "Active mode, VDD = 1.8 V to 5.5 V; typical values at VDD = 3.3 V and 25°C",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Active mode operating current, execute from flash, CPU at 24 MHz",
"symbol": "IDD8",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2.4,
"max": 4,
"conditions": "Active mode, VDD = 1.8 V to 5.5 V; typical values at VDD = 3.3 V and 25°C",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Active mode operating current, execute from flash, CPU at 48 MHz",
"symbol": "IDD11",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 4.6,
"max": 5.9,
"conditions": "Active mode, VDD = 1.8 V to 5.5 V; typical values at VDD = 3.3 V and 25°C",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Sleep mode current, I2C wakeup, WDT and comparators on, 6 MHz",
"symbol": "IDD17",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.1,
"max": 1.6,
"conditions": "Sleep mode, VDDD = 1.8 V to 5.5 V (Regulator on); 6 MHz",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Sleep mode current, I2C wakeup, WDT and comparators on, 12 MHz",
"symbol": "IDD20",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.4,
"max": 1.9,
"conditions": "Sleep mode, VDDD = 1.8 V to 5.5 V (Regulator on); 12 MHz",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Sleep mode current, I2C wakeup, WDT and comparators on, 6 MHz",
"symbol": "IDD23",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.7,
"max": 0.9,
"conditions": "Sleep mode, VDDD = 1.71 V to 1.89 V (Regulator bypassed); 6 MHz",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Sleep mode current, I2C wakeup, WDT and comparators on, 12 MHz",
"symbol": "IDD23A",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 0.9,
"max": 1.1,
"conditions": "Sleep mode, VDDD = 1.71 V to 1.89 V (Regulator bypassed); 12 MHz",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Deep Sleep mode current, I2C wakeup and WDT on",
"symbol": "IDD26",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 2.5,
"max": 60,
"conditions": "Deep Sleep mode, VDD = 1.8 V to 3.6 V (Regulator on)",
"source_page": 22,
"source": "datasheet"
},
{
"name": "Supply current while XRES asserted",
"symbol": "IDD_XR",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 2,
"max": 5,
"conditions": "",
"source_page": 22,
"source": "datasheet"
},
{
"name": "IMO operating current at 48 MHz",
"symbol": "IIMO1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 250,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "IMO operating current at 24 MHz",
"symbol": "IIMO2",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": null,
"max": 180,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "Frequency variation at 24, 32, and 48 MHz (trimmed)",
"symbol": "FIMOTOL1",
"kind": "tolerance",
"unit": "%",
"min": -2,
"typ": null,
"max": 2,
"conditions": "At -40°C to 85°C, for industrial temperature range and original extended industrial range parts",
"source_page": 39,
"source": "datasheet"
},
{
"name": "IMO startup time",
"symbol": "TSTARTIMO",
"kind": "timing",
"unit": "µs",
"min": null,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 39,
"source": "datasheet"
},
{
"name": "ILO operating current",
"symbol": "IILO1",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 0.3,
"max": 1.05,
"conditions": "",
"source_page": 40,
"source": "datasheet"
},
{
"name": "ILO startup time",
"symbol": "TSTARTILO1",
"kind": "timing",
"unit": "ms",
"min": null,
"typ": null,
"max": 2,
"conditions": "",
"source_page": 40,
"source": "datasheet"
},
{
"name": "ILO duty cycle",
"symbol": "TILODUTY",
"kind": "tolerance",
"unit": "%",
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