CY8C4126AXI-S433

{
  "schema_version": 1,
  "type": "component",
  "slug": "cy8c4126axi-s433",
  "title": "CY8C4126AXI-S433",
  "brief": "Cypress Semicon CYPRESS, TQFP-44(10x10). 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",
    "embedded processors & controllers",
    "cy8c4126axi-s433",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CY8C4126AXI-S433",
    "manufacturer": "Cypress Semicon",
    "package": "TQFP-44(10x10)",
    "pin_count": 44,
    "category": "Embedded Processors & Controllers",
    "subcategory": "CYPRESS",
    "datasheet": "https://www.infineon.com/assets/row/public/documents/30/49/infineon-psoc-4-psoc-4100s-datasheet-programmable-system-datasheet-en.pdf?fileId=8ac78c8c7d0d8da4017d0eda5fc45c69&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files",
    "parts": {
      "symbol": "cy8c4126axi-s433.kicad_sym",
      "footprint": "cy8c4126axi-s433.kicad_mod",
      "model_3d": "cy8c4126axi-s433-hero.glb",
      "model_3d_plain": "cy8c4126axi-s433-etched.glb",
      "model_3d_step": "cy8c4126axi-s433-etched.step",
      "model_3d_step_plain": "cy8c4126axi-s433.step",
      "lbr": "cy8c4126axi-s433.lbr"
    },
    "distributor_links": {
      "lcsc": "C458126",
      "digikey": "448-CY8C4126AXI-S433-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:21:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CY8C4126AXI-S433-ND",
        "status": "found"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSSD",
        "type": "power_in",
        "description": "Ground for the digital section."
      },
      {
        "number": "2",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 0 with SAR mux input sarmux[0], SmartIo[0].io[0], TCPWM line[4], csd.comp and SCB1 I2C/SPI alternate functions."
      },
      {
        "number": "3",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 1 with sarmux[1], SmartIo[0].io[1], TCPWM line_compl[4] and SCB1 I2C SDA/SPI MISO alternate functions."
      },
      {
        "number": "4",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 2 with sarmux[2], SmartIo[0].io[2] and SCB1 SPI clock alternate function."
      },
      {
        "number": "5",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 3 with sarmux[3], SmartIo[0].io[3] and SCB1 SPI select0 alternate function."
      },
      {
        "number": "6",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 4 with sarmux[4], SmartIo[0].io[4], TCPWM line[0] and SCB1 SPI select1."
      },
      {
        "number": "7",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 5 with sarmux[5], SmartIo[0].io[5], TCPWM line_compl[0] and SCB1 SPI select2."
      },
      {
        "number": "8",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 6 with sarmux[6], SmartIo[0].io[6], TCPWM line[1] and SCB1 SPI select3."
      },
      {
        "number": "9",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 7 with sarmux[7], SmartIo[0].io[7], TCPWM line_compl[1], lpcomp.comp[0] and SCB2 SPI MOSI."
      },
      {
        "number": "10",
        "name": "VSSD",
        "type": "power_in",
        "description": "Ground for the digital section."
      },
      {
        "number": "11",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 0 with SmartIo[1].io[0], TCPWM line[0] and SCB1 UART RX/I2C SCL/SPI MOSI alternate functions."
      },
      {
        "number": "12",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 1 with SmartIo[1].io[1], TCPWM line_compl[0] and SCB1 UART TX/I2C SDA/SPI MISO alternate functions."
      },
      {
        "number": "13",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 2 with SmartIo[1].io[2], TCPWM line[1], SCB1 UART CTS/SPI clock and cpuss.swd_data (SWD data)."
      },
      {
        "number": "14",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 3 with SmartIo[1].io[3], TCPWM line_compl[1], SCB1 UART RTS/SPI select0 and cpuss.swd_clk (SWD clock)."
      },
      {
        "number": "15",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 4 with SmartIo[1].io[4], TCPWM line[2], tr_in[6] and SCB1 SPI select1."
      },
      {
        "number": "16",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 5 with SmartIo[1].io[5], TCPWM line_compl[2] and SCB1 SPI select2."
      },
      {
        "number": "17",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 6 with SmartIo[1].io[6], TCPWM line[3] and SCB1 SPI select3."
      },
      {
        "number": "18",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 7 with SmartIo[1].io[7], TCPWM line_compl[3], lpcomp.comp[1] and SCB2 SPI MISO."
      },
      {
        "number": "19",
        "name": "VDDD",
        "type": "power_in",
        "description": "Power supply for the digital section."
      },
      {
        "number": "20",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 0 with csd.vref_ext and SCB0 UART RX/I2C SCL/SPI MOSI alternate functions."
      },
      {
        "number": "21",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 1 with csd.cshieldpads and SCB0 UART TX/I2C SDA/SPI MISO alternate functions."
      },
      {
        "number": "22",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 2 with csd.cmodpad, lpcomp.comp[0] and SCB0 UART CTS/SPI clock alternate functions."
      },
      {
        "number": "23",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 3 with csd.csh_tank, lpcomp.comp[1] and SCB0 UART RTS/SPI select0 alternate functions."
      },
      {
        "number": "24",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 0 with lpcomp.in_p[0], tcpwm.tr_in[0], SCB2 I2C SCL and SCB0 SPI select1."
      },
      {
        "number": "25",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 1 with lpcomp.in_n[0], tcpwm.tr_in[1], SCB2 I2C SDA and SCB0 SPI select2."
      },
      {
        "number": "26",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 2 with lpcomp.in_p[1] and SCB0 SPI select3."
      },
      {
        "number": "27",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 3 with lpcomp.in_n[1] and SCB2 SPI select0."
      },
      {
        "number": "28",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 4 with wco.wco_in (32 kHz watch crystal) and SCB1/SCB2 UART RX, SCB1 I2C SCL and SPI MOSI alternate functions."
      },
      {
        "number": "29",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 5 with wco.wco_out (32 kHz watch crystal) and SCB1/SCB2 UART TX, SCB1 I2C SDA and SPI MISO alternate functions."
      },
      {
        "number": "30",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 6 with srss.ext_clk (external clock input) and SCB1 UART CTS/SPI clock alternate functions."
      },
      {
        "number": "31",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 7 with TCPWM line[0] and SCB1 UART RTS/SPI select0 alternate functions."
      },
      {
        "number": "32",
        "name": "XRES",
        "type": "input",
        "description": "External reset input pin."
      },
      {
        "number": "33",
        "name": "VCCD",
        "type": "passive",
        "description": "Regulated digital supply (1.8 V ± 5%); bypass to ground with a 0.1 µF X5R ceramic or better capacitor and connect to nothing else in Mode 1."
      },
      {
        "number": "34",
        "name": "VDDD",
        "type": "power_in",
        "description": "Power supply for the digital section."
      },
      {
        "number": "35",
        "name": "VDDA",
        "type": "power_in",
        "description": "Power supply for the analog section."
      },
      {
        "number": "36",
        "name": "VSSA",
        "type": "power_in",
        "description": "Ground for the analog section."
      },
      {
        "number": "37",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 0 with opamp ctb0_oa0+ input, TCPWM line[2] and SCB0 UART RX/I2C SCL/SPI MOSI alternate functions."
      },
      {
        "number": "38",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 1 with opamp ctb0_oa0- input, TCPWM line_compl[2] and SCB0 UART TX/I2C SDA/SPI MISO alternate functions."
      },
      {
        "number": "39",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 2 with opamp ctb0_oa0_out, TCPWM line[3] and SCB0 UART CTS/SPI clock alternate functions."
      },
      {
        "number": "40",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 3 with opamp ctb0_oa1_out, TCPWM line_compl[3] and SCB0 UART RTS/SPI select0 alternate functions."
      },
      {
        "number": "41",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 4 with opamp ctb0_oa1- input and SCB0 SPI select1."
      },
      {
        "number": "42",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 5 with opamp ctb0_oa1+ input and SCB0 SPI select2."
      },
      {
        "number": "43",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 6 with opamp ctb0_oa0+ input and SCB0 SPI select3."
      },
      {
        "number": "44",
        "name": "P1.7/VREF",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 7 with ctb0_oa1+, SAR external reference sar_ext_vref0/1 and SCB2 SPI clock alternate functions."
      }
    ],
    "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: Table 1 text extraction places a stray '1 VSSD' line after the P1.7/VREF row without a clear column.; The datasheet text in this extract gives XRES and VCCD only as names, so the types (input, passive) ; Alternate-function columns (Analog, Smart I/O, Alt 1-3, Deep Sleep) were flattened in the extract, s"
        ],
        "pages_sent": 23,
        "cost_usd": 0.3013,
        "at": "2026-10-27T07:20:33"
      },
      "datasheet": {
        "url": "https://www.infineon.com/assets/row/public/documents/30/49/infineon-psoc-4-psoc-4100s-datasheet-programmable-system-datasheet-en.pdf?fileId=8ac78c8c7d0d8da4017d0eda5fc45c69&utm_source=cypress&utm_medium=referral&utm_campaign=202110_globe_en_all_integration-files",
        "pages": 66,
        "sha256": "077139eb014776df",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cy8c4126axi-s433.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cy8c4126axi-s433-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "46092e6e26e059a09afbda8b83919b71e4806857658c2d0fc2f6724dab98da84",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cypress Semicon",
      "Package": "TQFP-44(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "44"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "077139eb014776dfff2a143ef80631cbe0013985dd3cfe1576c5ed39897dffb8",
      "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": 22,
          "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": 22,
          "source": "datasheet"
        },
        {
          "name": "Maximum current per GPIO",
          "symbol": "IGPIO_ABS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "GPIO injection current",
          "symbol": "IGPIO_injection",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Current injected per pin; Max for VIH > VDDD, Min for VIL < VSS",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "ESD human body model",
          "symbol": "ESD_HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2200,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "ESD charged device model",
          "symbol": "ESD_CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Pin current for latch-up",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -140,
          "typ": null,
          "max": 140,
          "conditions": "",
          "source_page": 22,
          "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 = VDDD = 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 supply current, CPU at 6 MHz",
          "symbol": "IDD5",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.8,
          "max": 2.7,
          "conditions": "Execute from flash; CPU at 6 MHz; Max is at 85°C and 5.5 V",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Active mode supply current, CPU at 24 MHz",
          "symbol": "IDD8",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 4.75,
          "conditions": "Execute from flash; CPU at 24 MHz",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Active mode supply current, CPU at 48 MHz",
          "symbol": "IDD11",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.4,
          "max": 6.85,
          "conditions": "Execute from flash; CPU at 48 MHz",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current, regulator on, 6 MHz",
          "symbol": "IDD17",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.7,
          "max": 2.2,
          "conditions": "I2C wakeup, WDT, and comparators on; 6 MHz; Max is at 85°C and 5.5 V",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current, regulator on, 12 MHz",
          "symbol": "IDD20",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2.2,
          "max": 2.5,
          "conditions": "I2C wakeup, WDT, and comparators on; 12 MHz; Max is at 85°C and 5.5 V",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current, regulator bypassed, 6 MHz",
          "symbol": "IDD23",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.7,
          "max": 0.9,
          "conditions": "VDDD = 1.71 V to 1.89 V; I2C wakeup, WDT, and comparators on; 6 MHz",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode current, regulator bypassed, 12 MHz",
          "symbol": "IDD23A",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1,
          "max": 1.2,
          "conditions": "VDDD = 1.71 V to 1.89 V; I2C wakeup, WDT, and comparators on; 12 MHz",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep current, VDD 1.8 V to 3.6 V",
          "symbol": "IDD26",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 60,
          "conditions": "I2C wakeup and WDT on; Max is at 3.6 V and 85°C",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep current, VDD 3.6 V to 5.5 V",
          "symbol": "IDD29",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 60,
          "conditions": "I2C wakeup and WDT on; Max is at 5.5 V and 85°C",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep current, regulator bypassed",
          "symbol": "IDD32",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 65,
          "conditions": "VDD = VCCD = 1.71 V to 1.89 V; I2C wakeup and WDT on; Max is at 1.89 V and 85°C",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "Supply current while XRES asserted",
          "symbol": "IDD_XR",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "CPU frequency",
          "symbol": "FCPU",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 48,
          "conditions": "1.71 ≤ VDD ≤ 5.5",
          "source_page": 23,
          "source": "datasheet"
        },
        {
          "name": "SWDCLK frequency, 3.3 V ≤ VDD ≤ 5.5 V",
          "symbol": "F_SWDCLK1",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 14,
          "conditions": "3.3 V ≤ VDD ≤ 5.5 V; SWDCLK ≤ 1/3 CPU clock frequency",
          "source_page": 41,
          "source": "datasheet"
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        {
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