ZL38063LDF1

{
  "schema_version": 1,
  "type": "component",
  "slug": "zl38063ldf1",
  "title": "ZL38063LDF1",
  "brief": "Microchip Tech Audio Interface ICs, QFN-64-EP(9x9). 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",
    "communication interface chip-uart-485-232",
    "zl38063ldf1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ZL38063LDF1",
    "manufacturer": "Microchip Tech",
    "package": "QFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Audio Interface ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c552d1534613aae1516980a8610654a6.pdf",
    "parts": {
      "symbol": "zl38063ldf1.kicad_sym",
      "footprint": "zl38063ldf1.kicad_mod",
      "model_3d": "zl38063ldf1-hero.glb",
      "model_3d_plain": "zl38063ldf1-etched.glb",
      "model_3d_step": "zl38063ldf1-etched.step",
      "model_3d_step_plain": "zl38063ldf1.step",
      "lbr": "zl38063ldf1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2662582",
      "digikey": "150-ZL38063LDF1TR-ND",
      "mouser": "494-ZL38063LDF1"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:58:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "150-ZL38063LDF1TR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "494-ZL38063LDF1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SM_CLK",
        "type": "tri_state",
        "description": "Master SPI port clock output (tristate) with a maximum frequency of 8 MHz as stated in the pin description."
      },
      {
        "number": "2",
        "name": "SM_MISO",
        "type": "input",
        "description": "Master SPI port data input that receives data from the external Flash device."
      },
      {
        "number": "3",
        "name": "SM_MOSI",
        "type": "tri_state",
        "description": "Master SPI port data output (tristate) to the external Flash device."
      },
      {
        "number": "4",
        "name": "DVDD12",
        "type": "power_in",
        "description": "Core +1.2 V supply; connect to a +1.2 V ±5% supply with a 100 nF, 20%, 10 V ceramic capacitor on each pin decoupled to VSS."
      },
      {
        "number": "5",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with a 100 nF, 20%, 10 V ceramic capacitor on each pin decoupled to VSS."
      },
      {
        "number": "6",
        "name": "DAC1_M",
        "type": "output",
        "description": "DAC 1 minus differential amplifier output; pin functionality is firmware dependent."
      },
      {
        "number": "7",
        "name": "DAC1_P",
        "type": "output",
        "description": "DAC 1 plus differential amplifier output; pin functionality is firmware dependent."
      },
      {
        "number": "8",
        "name": "DAC2_P",
        "type": "output",
        "description": "DAC 2 plus differential amplifier output; pin functionality is firmware dependent."
      },
      {
        "number": "9",
        "name": "DAC2_M",
        "type": "output",
        "description": "DAC 2 minus differential amplifier output; pin functionality is firmware dependent."
      },
      {
        "number": "10",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "11",
        "name": "AVDD33",
        "type": "power_in",
        "description": "Analog +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "12",
        "name": "CDAC",
        "type": "output",
        "description": "DAC reference output that requires capacitive decoupling (0.1 µF to VSS per the DAC bias circuit section)."
      },
      {
        "number": "13",
        "name": "CREF",
        "type": "output",
        "description": "Common mode reference output that requires 0.1 µF and 1.0 µF ceramic decoupling to VSS."
      },
      {
        "number": "14",
        "name": "DVDD12",
        "type": "power_in",
        "description": "Core +1.2 V supply; connect to a +1.2 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "15",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset: low for 100 ns to 1 µs gives a digital reset and low for more than 10 µs gives an analog reset; a 10 kΩ pull-up to DVDD33 is required if not continuously driven."
      },
      {
        "number": "16",
        "name": "VDD12_CTRL",
        "type": "output",
        "description": "Analog control for the external FET when EXT_SEL is tied to VSS, or a CMOS output to shut down an external LDO when EXT_SEL is tied to DVDD33."
      },
      {
        "number": "17",
        "name": "EXT_SEL",
        "type": "input",
        "description": "Selects the +1.2 V source: tie to DVDD33 for an externally supplied +1.2 V, or tie to VSS for the internally generated +1.2 V."
      },
      {
        "number": "18",
        "name": "DMIC_CLK",
        "type": "output",
        "description": "Clock output for digital microphones and digital electret microphone pre-amplifier devices."
      },
      {
        "number": "19",
        "name": "DMIC_IN1",
        "type": "input",
        "description": "Digital microphone input 1 for a stereo or mono digital microphone; tie to VSS if unused."
      },
      {
        "number": "20",
        "name": "DMIC_IN2",
        "type": "input",
        "description": "Digital microphone input 2 for a stereo or mono digital microphone; tie to VSS if unused."
      },
      {
        "number": "21",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "22",
        "name": "XI",
        "type": "input",
        "description": "Crystal oscillator input for the 12.000 MHz crystal or clock oscillator that drives the internal PLL."
      },
      {
        "number": "23",
        "name": "XO",
        "type": "output",
        "description": "Crystal oscillator output for the 12.000 MHz crystal that drives the internal PLL."
      },
      {
        "number": "24",
        "name": "DVDD12",
        "type": "power_in",
        "description": "Core +1.2 V supply; connect to a +1.2 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected and do not use as a tie point."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected and do not use as a tie point."
      },
      {
        "number": "27",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave unconnected and do not use as a tie point."
      },
      {
        "number": "28",
        "name": "DVDD33_XTAL",
        "type": "power_in",
        "description": "Crystal digital supply that must be connected to a +3.3 V source capable of delivering 10 mA."
      },
      {
        "number": "29",
        "name": "PCLKA/I2S_SCKA",
        "type": "bidirectional",
        "description": "PCM port A clock equal to the DRA/DXA bit rate (output in TDM master mode, input in slave mode) or I2S port A serial clock; a 100 kΩ pull-down to VSS is required and the pin must be tied to VSS if unused."
      },
      {
        "number": "30",
        "name": "FSA/I2S_WSA",
        "type": "bidirectional",
        "description": "PCM port A frame sync (input in slave mode, frame pulse output in master mode) or I2S port A word select; tie to VSS if unused."
      },
      {
        "number": "31",
        "name": "DRA/I2S_SDIA",
        "type": "input",
        "description": "PCM port A serial data input operating at PCLK data rates or I2S port A serial data input; tie to VSS if unused."
      },
      {
        "number": "32",
        "name": "DXA/I2S_SDOA",
        "type": "output",
        "description": "PCM port A serial data output operating at PCLK data rates or I2S port A serial data output."
      },
      {
        "number": "33",
        "name": "GPIO_0",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; it must be pulled low or left floating when coming out of reset."
      },
      {
        "number": "34",
        "name": "GPIO_1",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; it must be pulled low or left floating when coming out of reset."
      },
      {
        "number": "35",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "36",
        "name": "GPIO_2",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; it also provides bootstrap functionality per the bootstrap modes table."
      },
      {
        "number": "37",
        "name": "GPIO_3",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; it requires a pull-up resistor on the master device when two ZL38063 devices are chained."
      },
      {
        "number": "38",
        "name": "GPIO_4",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; it requires a pull-up resistor on the slave device to identify master and slave in two-device operation."
      },
      {
        "number": "39",
        "name": "GPIO_5",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "40",
        "name": "GPIO_6",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "41",
        "name": "GPIO_7",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "42",
        "name": "DVDD12",
        "type": "power_in",
        "description": "Core +1.2 V supply; connect to a +1.2 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "43",
        "name": "GPIO_8",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "44",
        "name": "GPIO_10",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "45",
        "name": "GPIO_11",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input."
      },
      {
        "number": "46",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "47",
        "name": "GPIO_12",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; not available on the WLCSP package."
      },
      {
        "number": "48",
        "name": "GPIO_13",
        "type": "bidirectional",
        "description": "General-purpose I/O for low-frequency signaling with internal pull-down on input; not available on the WLCSP package."
      },
      {
        "number": "49",
        "name": "UART_TX",
        "type": "tri_state",
        "description": "UART transmit serial data output (tristate) at a fixed 115.2K baud, 8 data bits, 1 stop bit and no parity, used for debug and tuning."
      },
      {
        "number": "50",
        "name": "UART_RX",
        "type": "input",
        "description": "UART receive serial data input at a fixed 115.2K baud, 8 data bits, 1 stop bit and no parity, used for debug and tuning."
      },
      {
        "number": "51",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "52",
        "name": "HCLK",
        "type": "input",
        "description": "HBI SPI slave port clock input with a maximum frequency of 25 MHz; tie to VSS in I2C mode or if unused."
      },
      {
        "number": "53",
        "name": "HCS",
        "type": "input",
        "description": "HBI SPI slave active-low chip select; it doubles as the I2C serial clock input (pull-up required) in I2C mode, and must be tied to VSS if unused."
      },
      {
        "number": "54",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; connect to the digital ground plane."
      },
      {
        "number": "55",
        "name": "HDIN",
        "type": "input",
        "description": "HBI SPI slave port data input that also selects the slave address in I2C mode; tie to VSS if unused."
      },
      {
        "number": "56",
        "name": "HDOUT",
        "type": "bidirectional",
        "description": "HBI SPI slave port data output (tristate) that serves as I2C SDA (pull-up required) in I2C mode."
      },
      {
        "number": "57",
        "name": "HINT",
        "type": "output",
        "description": "HBI interrupt output that the host can configure as either CMOS or open drain."
      },
      {
        "number": "58",
        "name": "DVDD12",
        "type": "power_in",
        "description": "Core +1.2 V supply; connect to a +1.2 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "59",
        "name": "DVDD33",
        "type": "power_in",
        "description": "Digital +3.3 V supply; connect to a +3.3 V ±5% supply with 100 nF decoupling to VSS on each pin."
      },
      {
        "number": "60",
        "name": "PCLKB/I2S_SCKB",
        "type": "bidirectional",
        "description": "PCM port B clock equal to the DRB/DXB bit rate (output in TDM master mode, input in slave mode) or I2S port B serial clock; tie to VSS if unused."
      },
      {
        "number": "61",
        "name": "FSB/I2S_WSB",
        "type": "bidirectional",
        "description": "PCM port B frame sync (input in slave mode, frame pulse output in master mode) or I2S port B word select; tie to VSS if unused."
      },
      {
        "number": "62",
        "name": "DRB/I2S_SDIB",
        "type": "input",
        "description": "PCM port B serial data input operating at PCLK data rates or I2S port B serial data input; tie to VSS if unused."
      },
      {
        "number": "63",
        "name": "DXB/I2S_SDOB",
        "type": "output",
        "description": "PCM port B serial data output operating at PCLK data rates or I2S port B serial data output."
      },
      {
        "number": "64",
        "name": "GPIO_9/SM_CS",
        "type": "bidirectional",
        "description": "Master SPI port chip select output (input internal pull-up, tristate output) shared with GPIO_9, with internal pull-down on input when used as GPIO."
      },
      {
        "number": "65",
        "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: Package confirmed: the ordering information lists ZL38063LDF1 as the 64-pin QFN (9x9) tape-and-reel ; The exposed ground pad has no printed pin number in the datasheet; it is listed as EP here, not as a; Conflicting maximum SM_CLK frequency: the Master SPI pin description (Table 12) says 8 MHz, while th",
          "exposed pad 65 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint",
          "8/65 pins cited to the wrong page (name found elsewhere): ['22:XI@p37', '23:XO@p37', '38:GPIO_4@p37', '39:GPIO_5@p37']"
        ],
        "pages_sent": 31,
        "cost_usd": 0.1975,
        "at": "2026-10-30T23:58:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c552d1534613aae1516980a8610654a6.pdf",
        "pages": 63,
        "sha256": "be635cd1b193fc47",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "zl38063ldf1.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "zl38063ldf1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          0.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "1147b5c6a3b11581d62b7d78adc3c8dcb06cc54fb959fafa29ba14b46cea74d0",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "64-pin QFN (9x9)",
      "source_page": 59,
      "e": {
        "nom_mm": 0.5,
        "range_mm": [
          null,
          null
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "zl38063ldf1.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "QFN-64-EP(9x9)",
      "Category": "Communication Interface Chip/UART/485/232",
      "Pins": "65"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "be635cd1b193fc47f321b26e65db7740b7f652451d95c36d75f1f873deb79cc1",
      "rows": [
        {
          "name": "Supply voltage (DVDD33, AVDD33)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Core supply voltage (DVDD12)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 1.32,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Continuous current at digital outputs",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Reflow temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 sec., MSL3, per JEDEC J-STD-020",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage",
          "symbol": "VAVDD33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.135,
          "typ": 3.3,
          "max": 3.465,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Core supply voltage",
          "symbol": "VDVDD12",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.14,
          "typ": 1.2,
          "max": 1.26,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Crystal I/O voltage",
          "symbol": "VXI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.5,
          "typ": null,
          "max": 2.625,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-up current",
          "symbol": "IPU",
          "kind": "electrical",
          "unit": "µA",
          "min": 38,
          "typ": 63,
          "max": 101,
          "conditions": "Input at 0 V",
          "source_page": 43,
          "source": "datasheet"
        },
        {
          "name": "Weak pull-down current",
          "symbol": "IPD",
          "kind": "electrical",
          "unit": "µA",
          "min": 19,
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