CY8C4125LTI-M445

{
  "schema_version": 1,
  "type": "component",
  "slug": "cy8c4125lti-m445",
  "title": "CY8C4125LTI-M445",
  "brief": "Cypress Semicon Microcontroller Units (MCUs/MPUs/SOCs), QFN-68(8x8). 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",
    "cy8c4125lti-m445",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CY8C4125LTI-M445",
    "manufacturer": "Cypress Semicon",
    "package": "QFN-68(8x8)",
    "pin_count": 69,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://www.cypress.com/file/139961/download",
    "parts": {
      "symbol": "cy8c4125lti-m445.kicad_sym",
      "footprint": "cy8c4125lti-m445.kicad_mod",
      "model_3d": "cy8c4125lti-m445-hero.glb",
      "model_3d_plain": "cy8c4125lti-m445-etched.glb",
      "model_3d_step": "cy8c4125lti-m445-etched.step",
      "model_3d_step_plain": "cy8c4125lti-m445.step",
      "lbr": "cy8c4125lti-m445.lbr"
    },
    "distributor_links": {
      "lcsc": "C2948749",
      "digikey": "448-CY8C4125LTI-M445-ND",
      "mouser": "727-CY8C4125LTI-M445"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:23:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CY8C4125LTI-M445-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "727-CY8C4125LTI-M445",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P1.7/VREF",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 7 (output driver powered from VDDA) with VREF function, ctb0.oa1.inp_alt and tcpwm.line_compl[7] alternate functions."
      },
      {
        "number": "2",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 0 (VDDA domain) with sarmux.0, tcpwm.line[4], scb[1].i2c_scl:1 and scb[1].spi_mosi:2 functions."
      },
      {
        "number": "3",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 1 (VDDA domain) with sarmux.1, tcpwm.line_compl[4], scb[1].i2c_sda:1 and scb[1].spi_miso:2 functions."
      },
      {
        "number": "4",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 2 (VDDA domain) with sarmux.2, tcpwm.line[5] and scb[1].spi_clk:2 functions."
      },
      {
        "number": "5",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 3 (VDDA domain) with sarmux.3, tcpwm.line_compl[5] and scb[1].spi_select0:2 functions."
      },
      {
        "number": "6",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 4 (VDDA domain) with sarmux.4, tcpwm.line[0] and scb[1].spi_select1:1 functions."
      },
      {
        "number": "7",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 5 (VDDA domain) with sarmux.5, tcpwm.line_compl[0] and scb[1].spi_select2:1 functions."
      },
      {
        "number": "8",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 6 (VDDA domain) with sarmux.6, tcpwm.line[1] and scb[1].spi_select3:1 functions."
      },
      {
        "number": "9",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 7 (VDDA domain) with sarmux.7, tcpwm.line_compl[1] and scb[3].spi_select0:1 functions."
      },
      {
        "number": "10",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin; must be tied together with all other VSS pins."
      },
      {
        "number": "11",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog VDD supply pin (1.71 to 5.5 V supply range), bypassed with 0.1 µF ceramic at the pin plus 1 to 10 µF bulk capacitor to VSSA."
      },
      {
        "number": "12",
        "name": "P6.0",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 0 (VDDIO domain) with tcpwm.line[4], scb[3].uart_rx:0, scb[3].i2c_scl:0 and scb[3].spi_mosi:0 functions."
      },
      {
        "number": "13",
        "name": "P6.1",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 1 (VDDIO domain) with tcpwm.line_compl[4], scb[3].uart_tx:0, scb[3].i2c_sda:0 and scb[3].spi_miso:0 functions."
      },
      {
        "number": "14",
        "name": "P6.2",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 2 (VDDIO domain) with tcpwm.line[5], scb[3].uart_cts:0 and scb[3].spi_clk:0 functions."
      },
      {
        "number": "15",
        "name": "P6.3",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 3 (VDDIO domain) with tcpwm.line_compl[5], scb[3].uart_rts:0 and scb[3].spi_select0:0 functions."
      },
      {
        "number": "16",
        "name": "P6.4",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 4 (VDDIO domain) with tcpwm.line[6] and scb[3].spi_select1:0 functions."
      },
      {
        "number": "17",
        "name": "P6.5",
        "type": "bidirectional",
        "description": "Overvoltage-tolerant GPIO port 6 bit 5 (VDDIO domain) with tcpwm.line_compl[6] and scb[3].spi_select2:0 functions."
      },
      {
        "number": "18",
        "name": "VSSIO",
        "type": "power_in",
        "description": "Ground pin for the I/O domain; all VSS pins must be tied together."
      },
      {
        "number": "19",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 0 (VDDIO domain) with tcpwm.line[0], scb[1].uart_rx:1, scb[1].i2c_scl:2 and scb[1].spi_mosi:0 functions."
      },
      {
        "number": "20",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 1 (VDDIO domain) with tcpwm.line_compl[0], scb[1].uart_tx:1, scb[1].i2c_sda:2 and scb[1].spi_miso:0 functions."
      },
      {
        "number": "21",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 2 (VDDIO domain) with tcpwm.line[1], scb[1].uart_cts:1, swd_data and scb[1].spi_clk:0 functions."
      },
      {
        "number": "22",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 3 (VDDIO domain) with tcpwm.line_compl[1], scb[1].uart_rts:1, swd_clk and scb[1].spi_select0:0 functions."
      },
      {
        "number": "23",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 4 (VDDIO domain) with tcpwm.line[2] and scb[1].spi_select1:0 functions."
      },
      {
        "number": "24",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 5 (VDDIO domain) with tcpwm.line_compl[2] and scb[1].spi_select2:0 functions."
      },
      {
        "number": "25",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 6 (VDDIO domain) with tcpwm.line[3] and scb[1].spi_select3:0 functions."
      },
      {
        "number": "26",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 7 (VDDIO domain) with tcpwm.line_compl[3] function."
      },
      {
        "number": "27",
        "name": "VDDIO",
        "type": "power_in",
        "description": "I/O pin power domain supply for ports 3, 4 and 6, bypassed with 0.1 µF ceramic at the pin plus 1 to 10 µF bulk capacitor."
      },
      {
        "number": "28",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 0 (VDDIO domain) with scb[0].uart_rx:0, scb[0].i2c_scl:1 and scb[0].spi_mosi:0 functions."
      },
      {
        "number": "29",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 1 (VDDIO domain) with scb[0].uart_tx:0, scb[0].i2c_sda:1 and scb[0].spi_miso:0 functions."
      },
      {
        "number": "30",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 2 (VDDIO domain) with csd[0].c_mod, scb[0].uart_cts:0, lpcomp.comp[0]:0 and scb[0].spi_clk:0 functions."
      },
      {
        "number": "31",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 3 (VDDIO domain) with csd[0].c_sh_tank, scb[0].uart_rts:0, lpcomp.comp[1]:0 and scb[0].spi_select0:0 functions."
      },
      {
        "number": "32",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 4 (VDDIO domain) with scb[0].spi_select1:2 function."
      },
      {
        "number": "33",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 5 (VDDIO domain) with scb[0].spi_select2:2 function."
      },
      {
        "number": "34",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 6 (VDDIO domain) with scb[0].spi_select3:2 function."
      },
      {
        "number": "35",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 7 (VDDIO domain) with no alternate function listed."
      },
      {
        "number": "36",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin on the 68-pin QFN."
      },
      {
        "number": "37",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin on the 68-pin QFN."
      },
      {
        "number": "38",
        "name": "NC",
        "type": "unconnected",
        "description": "No-connect pin on the 68-pin QFN."
      },
      {
        "number": "39",
        "name": "P7.0",
        "type": "bidirectional",
        "description": "GPIO port 7 bit 0 (VDDD domain) with tcpwm.line[0], scb[3].uart_rx:1, scb[3].i2c_scl:1 and scb[3].spi_mosi:1 functions."
      },
      {
        "number": "40",
        "name": "P7.1",
        "type": "bidirectional",
        "description": "GPIO port 7 bit 1 (VDDD domain) with tcpwm.line_compl[0], scb[3].uart_tx:1, scb[3].i2c_sda:1 and scb[3].spi_miso:1 functions."
      },
      {
        "number": "41",
        "name": "P7.2",
        "type": "bidirectional",
        "description": "GPIO port 7 bit 2 (VDDD domain) with tcpwm.line[1], scb[3].uart_cts:1 and scb[3].spi_clk:1 functions."
      },
      {
        "number": "42",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 0 (VDDD domain) with lpcomp.in_p[0] analog input and scb[0].spi_select1:0 functions."
      },
      {
        "number": "43",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 1 (VDDD domain) with lpcomp.in_n[0] analog input and scb[0].spi_select2:0 functions."
      },
      {
        "number": "44",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 2 (VDDD domain) with lpcomp.in_p[1] analog input and scb[0].spi_select3:0 functions."
      },
      {
        "number": "45",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 3 (VDDD domain) with lpcomp.in_n[1] analog input function."
      },
      {
        "number": "46",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 4 (VDDD domain) with wco_in, scb[1].uart_rx:0, scb[1].i2c_scl:0 and scb[1].spi_mosi:1 functions."
      },
      {
        "number": "47",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 5 (VDDD domain) with wco_out, scb[1].uart_tx:0, scb[1].i2c_sda:0 and scb[1].spi_miso:1 functions."
      },
      {
        "number": "48",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 6 (VDDD domain) with ext_clk:0, scb[1].uart_cts:0 and scb[1].spi_clk:1 functions."
      },
      {
        "number": "49",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 7 (VDDD domain) with scb[1].uart_rts:0, wakeup and scb[1].spi_select0:1 functions."
      },
      {
        "number": "50",
        "name": "XRES",
        "type": "input",
        "description": "External reset pin reserved to avoid complications with configuration and multiple pin functions during power-on or reconfiguration."
      },
      {
        "number": "51",
        "name": "VCCD",
        "type": "power_out",
        "description": "Regulated digital supply (1.8 V ±5%) bypassed to ground with a 1 µF ceramic capacitor (1 to 1.6 µF, X5R or better)."
      },
      {
        "number": "52",
        "name": "VSSD",
        "type": "power_in",
        "description": "Digital ground pin; all VSS pins must be tied together."
      },
      {
        "number": "53",
        "name": "VDDD",
        "type": "power_in",
        "description": "Digital supply for port 0 and 7 drivers and core regulator input (1.71 to 5.5 V), bypassed with 0.1 µF ceramic at the pin plus 1 to 10 µF bulk capacitor."
      },
      {
        "number": "54",
        "name": "P5.0",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 0 (VDDA domain) with ctb1.oa0.inp, tcpwm.line[4], scb[2].uart_rx:0, scb[2].i2c_scl:0 and scb[2].spi_mosi:0 functions."
      },
      {
        "number": "55",
        "name": "P5.1",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 1 (VDDA domain) with ctb1.oa0.inm, tcpwm.line_compl[4], scb[2].uart_tx:0, scb[2].i2c_sda:0 and scb[2].spi_miso:0 functions."
      },
      {
        "number": "56",
        "name": "P5.2",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 2 (VDDA domain) with ctb1.oa0.out, tcpwm.line[5], scb[2].uart_cts:0, lpcomp.comp[0]:1 and scb[2].spi_clk:0 functions."
      },
      {
        "number": "57",
        "name": "P5.3",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 3 (VDDA domain) with ctb1.oa1.out, tcpwm.line_compl[5], scb[2].uart_rts:0, lpcomp.comp[1]:1 and scb[2].spi_select0:0 functions."
      },
      {
        "number": "58",
        "name": "P5.4",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 4 (VDDA domain) with ctb1.oa1.inm, tcpwm.line[6] and scb[2].spi_select1:0 functions."
      },
      {
        "number": "59",
        "name": "P5.5",
        "type": "bidirectional",
        "description": "GPIO port 5 bit 5 (VDDA domain) with ctb1.oa1.inp, tcpwm.line_compl[6] and scb[2].spi_select2:0 functions."
      },
      {
        "number": "60",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog VDD supply pin (1.71 to 5.5 V supply range), bypassed with 0.1 µF ceramic at the pin plus 1 to 10 µF bulk capacitor to VSSA."
      },
      {
        "number": "61",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground pin; must be tied together with all other VSS pins."
      },
      {
        "number": "62",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 0 (VDDA domain) with ctb0.oa0.inp, tcpwm.line[2], scb[0].uart_rx:1, scb[0].i2c_scl:0 and scb[0].spi_mosi:1 functions."
      },
      {
        "number": "63",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 1 (VDDA domain) with ctb0.oa0.inm, tcpwm.line_compl[2], scb[0].uart_tx:1, scb[0].i2c_sda:0 and scb[0].spi_miso:1 functions."
      },
      {
        "number": "64",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 2 (VDDA domain) with ctb0.oa0.out, tcpwm.line[3], scb[0].uart_cts:1 and scb[0].spi_clk:1 functions."
      },
      {
        "number": "65",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 3 (VDDA domain) with ctb0.oa1.out, tcpwm.line_compl[3], scb[0].uart_rts:1 and scb[0].spi_select0:1 functions."
      },
      {
        "number": "66",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 4 (VDDA domain) with ctb0.oa1.inm, tcpwm.line[6] and scb[0].spi_select1:1 functions."
      },
      {
        "number": "67",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 5 (VDDA domain) with ctb0.oa1.inp, tcpwm.line_compl[6] and scb[0].spi_select2:1 functions."
      },
      {
        "number": "68",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 6 (VDDA domain) with ctb0.oa0.inp_alt, tcpwm.line[7] and scb[0].spi_select3:1 functions."
      },
      {
        "number": "69",
        "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 pin table does not mention an exposed thermal pad for the 68-pin QFN, so none was added. Check t; Pins 36, 37 and 38 are listed as No-Connects on the 68-QFN (page 19 note).; The datasheet text does not state the XRES polarity. It is typed as input and described only from th"
        ],
        "pages_sent": 21,
        "cost_usd": 0.3241,
        "at": "2026-10-23T03:23:37"
      },
      "datasheet": {
        "url": "https://www.cypress.com/file/139961/download",
        "pages": 61,
        "sha256": "dee6e99bd0083d49",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 69,
        "described": 69,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cy8c4125lti-m445.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7eecf1c3ff4cba11026f26e261e1c97e34bcb6b0239bc5c5d39464b2f4148e9c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cy8c4125lti-m445-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8,
          8,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "88ff7b18d034bd0ffdad8b99b52a390e263acb0d30f0f617210f6dcc09e2481a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cypress Semicon",
      "Package": "QFN-68(8x8)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "69"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dee6e99bd0083d4925b863e39b8b9e8dac863b22e6bc2b527a0aef7bfe29ce93",
      "rows": [
        {
          "name": "Analog or digital supply relative to VSS",
          "symbol": "VDD_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "Absolute maximum",
          "source_page": 24,
          "source": "datasheet"
        },
        {
          "name": "Direct digital core voltage input relative to VSSD",
          "symbol": "VCCD_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 1.95,
          "conditions": "Absolute maximum",
          "source_page": 24,
          "source": "datasheet"
        },
        {
          "name": "GPIO voltage; VDDD or VDDA",
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          "min": -0.5,
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          "min": null,
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          "min": null,
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          "unit": "%",
          "min": -2,
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          "typ": 2.9,
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          "typ": 25,
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