component
CY8C4014LQI-421T
Public Made by Adomby adom
Infineon Cypress Semicon Microcontrollers (MCU/MPU/SOC), QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cy8c4014lqi-421t",
"version": "0.1.0",
"type": "component",
"description": "Infineon Cypress Semicon Microcontrollers (MCU/MPU/SOC), QFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"embedded processors & controllers",
"cy8c4014lqi-421t",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"cy8c4014lqi-421t.kicad_sym",
"cy8c4014lqi-421t.kicad_mod",
"cy8c4014lqi-421t.glb",
"cy8c4014lqi-421t.step",
"cy8c4014lqi-421t.lbr",
"docs/hero.png",
"docs/cy8c4014lqi-421t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy8c4014lqi-421t-hero.glb",
"cy8c4014lqi-421t-hero.overlay.json",
"cy8c4014lqi-421t-etched.glb"
],
"component": {
"mpn": "CY8C4014LQI-421T",
"manufacturer": "Infineon Cypress Semicon",
"package": "QFN-16-EP(3x3)",
"pin_count": 17,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883582991405056",
"parts": {
"symbol": "cy8c4014lqi-421t.kicad_sym",
"footprint": "cy8c4014lqi-421t.kicad_mod",
"model_3d": "cy8c4014lqi-421t-hero.glb",
"model_3d_plain": "cy8c4014lqi-421t-etched.glb",
"model_3d_step": "cy8c4014lqi-421t-etched.step",
"model_3d_step_plain": "cy8c4014lqi-421t.step",
"lbr": "cy8c4014lqi-421t.lbr"
},
"distributor_links": {
"lcsc": "C382039",
"digikey": "448-CY8C4014LQI-421TTR-ND",
"mouser": "727-CY8C4014LQI-421T"
},
"distributor_check": {
"checked_at": "2026-10-19T07:46:57Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "448-CY8C4014LQI-421TTR-ND",
"status": "found"
},
"mouser": {
"pn": "727-CY8C4014LQI-421T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "P0.1/TRIN1/CMPO_0",
"type": "bidirectional",
"description": "Port 0 GPIO that can also serve as a CapSense sense/shield pin on the AMUXBUS, TCPWM trigger input TRIN1, or comparator output CMPO_0 (Sense Comp Out)."
},
{
"number": "2",
"name": "P0.2/TRIN2",
"type": "bidirectional",
"description": "Port 0 GPIO that can also serve as a CapSense sense/shield pin on the AMUXBUS or as TCPWM trigger input TRIN2."
},
{
"number": "3",
"name": "P0.4/TRIN4/CMPO_0/EXT_CLK",
"type": "bidirectional",
"description": "Port 0 GPIO that can also serve as TCPWM trigger input TRIN4, comparator output CMPO_0, external clock EXT_CLK, or CMOD capacitor connection."
},
{
"number": "4",
"name": "VCCD",
"type": "power_out",
"description": "Regulated digital supply of 1.8 V ±5%; in unregulated external supply mode it must be bypassed to ground with a 0.1 µF X5R ceramic or better capacitor, and in regulated external supply mode it is shorted to VDD."
},
{
"number": "5",
"name": "VDDIO",
"type": "power_in",
"description": "Separate voltage domain supply for P3.0, P3.1 and P3.2, which can run at a different voltage than VDD (for example 1.8 V with VDD at 3.3 V) with 1.71 V < VDDIO as shown in the power figures."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "Power supply for both analog and digital sections, 1.8 V to 5.5 V in unregulated external supply mode or 1.71 V to 1.89 V in regulated external supply mode, where VDD must never exceed 1.89 V in any condition including flash programming."
},
{
"number": "7",
"name": "VSS",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "8",
"name": "P0.6",
"type": "bidirectional",
"description": "Port 0 GPIO that can also serve as a CapSense sense or shield pin connected to AMUXBUS A or B."
},
{
"number": "9",
"name": "P1.1/OUT0",
"type": "bidirectional",
"description": "Port 1 GPIO that can also serve as TCPWM PWM output OUT0."
},
{
"number": "10",
"name": "P1.2/SCL",
"type": "bidirectional",
"description": "Port 1 GPIO used as I2C clock (SCL) in open-drain mode, compatible with I2C Standard-mode and Fast-mode (up to 400 kbps), and GPIO cells are not overvoltage tolerant."
},
{
"number": "11",
"name": "P1.3/SDA",
"type": "bidirectional",
"description": "Port 1 GPIO used as I2C data (SDA) in open-drain mode, compatible with I2C Standard-mode and Fast-mode, and GPIO cells are not overvoltage tolerant."
},
{
"number": "12",
"name": "P1.6/OVF0/UND0/nOUT0/CMPO_0",
"type": "bidirectional",
"description": "Port 1 GPIO that can also serve as TCPWM OVF0, UND0, complement output nOUT0, or comparator output CMPO_0 for internal reset, and it must not have a load to ground during POR (should be an output)."
},
{
"number": "13",
"name": "P1.7/MATCH/EXT_CLK",
"type": "bidirectional",
"description": "Port 1 GPIO that can also serve as match output MATCH or external clock EXT_CLK."
},
{
"number": "14",
"name": "P3.0/SDA/SWD_IO",
"type": "bidirectional",
"description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as I2C data (SDA) or SWD I/O."
},
{
"number": "15",
"name": "P3.1/SCL/SWD_CLK",
"type": "bidirectional",
"description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as I2C clock (SCL) or SWD clock."
},
{
"number": "16",
"name": "P3.2",
"type": "bidirectional",
"description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as TCPWM PWM output OUT0."
},
{
"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-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 ordering table text is garbled. Using the column layout, CY8C4014LQI-421 (LQ = QFN) maps to the ; Table 1 prints pin 4 as 'VCC' for the 16-pin QFN, but Figure 6 and the power section label this pin ; Pin 4 type is set to power_out because the datasheet says VCCD is the internal regulator output in u",
"exposed pad 17 added from the footprint"
],
"pages_sent": 17,
"cost_usd": 0.1039,
"at": "2026-10-19T07:46:42"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883582991405056",
"pages": 35,
"sha256": "d8f010e7d78eade9",
"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": [
{
"file": "cy8c4014lqi-421t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.0,
0.785
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy8c4014lqi-421t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
3.0,
3.0,
0.785
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "266e3cd807a8351c1934e6ed910341927dba5dcada712bd924c0eaca4412c850",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}