PMS171B-S16

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  "slug": "pms171b-s16",
  "title": "PMS171B-S16",
  "brief": "PADAUK Tech Microcontrollers (MCU/MPU/SOC), SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "pms171b-s16",
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  "component": {
    "mpn": "PMS171B-S16",
    "manufacturer": "PADAUK Tech",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4399cb59771292f18cccce1d1e4d40fc.pdf",
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      "lbr": "pms171b-s16.lbr"
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    "distributor_links": {
      "lcsc": "C337969"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:15:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 887 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "PB4/AD4/TM2PWM",
        "type": "bidirectional",
        "description": "Port B bit 4 digital I/O with optional pull-high, ADC channel 4 analog input, or Timer2 PWM output; clear bit 4 of pbdier when used as analog input."
      },
      {
        "number": "2",
        "name": "PB5/AD5/TM3PWM/INT0A",
        "type": "bidirectional",
        "description": "Port B bit 5 digital I/O with optional pull-high, ADC channel 5 input, Timer3 PWM output, or external interrupt line 0A (rising, falling or both edges)."
      },
      {
        "number": "3",
        "name": "PB6/AD6/CIN4-/TM3PWM",
        "type": "bidirectional",
        "description": "Port B bit 6 digital I/O with optional pull-high or pull-low, ADC channel 6 input, comparator minus input 4, or Timer3 PWM output."
      },
      {
        "number": "4",
        "name": "PB7/AD7/CIN5-/TM3PWM",
        "type": "bidirectional",
        "description": "Port B bit 7 digital I/O with optional pull-high (PMOS super large current output, typ. 135mA at VDD=5.0V), ADC channel 7 input, comparator minus input 5, or Timer3 PWM output."
      },
      {
        "number": "5",
        "name": "VDD/AVDD",
        "type": "power_in",
        "description": "Positive supply for the digital core and the ADC (double-bonded internally), operating range 1.8V to 5.5V."
      },
      {
        "number": "6",
        "name": "PA7/X1",
        "type": "bidirectional",
        "description": "Port A bit 7 digital I/O with optional pull-high, or crystal XIN; clear bit 7 of padier when a crystal is used to avoid leakage current."
      },
      {
        "number": "7",
        "name": "PA6/X2",
        "type": "bidirectional",
        "description": "Port A bit 6 digital I/O with optional pull-high, or crystal XOUT; clear bit 6 of padier when a crystal is used to avoid leakage current."
      },
      {
        "number": "8",
        "name": "PA5/PRSTB",
        "type": "bidirectional",
        "description": "Port A bit 5 input or open-drain output, or hardware reset input; VIL max is 0.1 VDD, and a 33 ohm series resistor is advised for noise immunity."
      },
      {
        "number": "9",
        "name": "PA3/AD8/CIN0-/TM2PWM",
        "type": "bidirectional",
        "description": "Port A bit 3 digital I/O with optional pull-high, ADC channel 8 input, comparator minus input 0, or Timer2 PWM output."
      },
      {
        "number": "10",
        "name": "PA4/AD9/CIN+/CIN1-/INT1A",
        "type": "bidirectional",
        "description": "Port A bit 4 digital I/O with optional pull-high, ADC channel 9 input, comparator plus input or minus input 1, or external interrupt line 1A."
      },
      {
        "number": "11",
        "name": "PA0/AD10/CO/INT0",
        "type": "bidirectional",
        "description": "Port A bit 0 digital I/O with optional pull-high, ADC channel 10 input, comparator output, or external interrupt line 0."
      },
      {
        "number": "12",
        "name": "GND/AGND",
        "type": "power_in",
        "description": "Digital and analog ground (double-bonded internally to one external pin)."
      },
      {
        "number": "13",
        "name": "PB0/TM2PWM/INT1",
        "type": "bidirectional",
        "description": "Port B bit 0 input or open-drain output (NMOS super large current sink, typ. 135mA at VDD=5.0V), Timer2 PWM output, or external interrupt line 1."
      },
      {
        "number": "14",
        "name": "PB1/AD1/Vref",
        "type": "bidirectional",
        "description": "Port B bit 1 digital I/O with optional pull-high, ADC channel 1 input, or external ADC reference high voltage."
      },
      {
        "number": "15",
        "name": "PB2/AD2/TM2PWM",
        "type": "bidirectional",
        "description": "Port B bit 2 digital I/O with optional pull-high, ADC channel 2 input, or Timer2 PWM output."
      },
      {
        "number": "16",
        "name": "PB3/AD3",
        "type": "bidirectional",
        "description": "Port B bit 3 digital I/O with optional pull-high or pull-low, or ADC channel 3 analog input."
      }
    ],
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        "described": 16,
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          "name": "Power Down Current",
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          "name": "Power Save Current",
          "symbol": "IPS",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VDD=5.0V; fSYS=ILRC; only ILRC enabled",
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          "name": "Operating Current (IHRC/16)",
          "symbol": "IOP",
          "kind": "electrical",
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          "typ": 0.7,
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          "typ": 35,
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          "name": "Power On Reset Voltage",
          "symbol": "VPOR",
          "kind": "electrical",
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          "min": null,
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          "max": null,
          "conditions": "Subject to LVR tolerance",
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          "kind": "electrical",
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          "min": 15.76,
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          "max": 16.24,
          "conditions": "25C, VDD=2.0V~5.5V",
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          "name": "IHRC frequency after calibration",
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          "min": 15.2,
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          "max": 16.8,
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          "min": 13.6,
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          "max": 18.4,
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          "name": "Interrupt pulse width",
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          "min": 30,
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          "conditions": "VDD = 5.0V",
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          "name": "ADC Input Voltage",
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        {
          "name": "ADC Differential NonLinearity",
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          "min": -2,
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          "max": 2,
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          "name": "ADC Integral NonLinearity",
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          "unit": "LSB",
          "min": -4,
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          "name": "ADC offset",
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          "min": -5,
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          "max": 5,
          "conditions": "@ VDD =3V",
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        {
          "name": "RAM data retention voltage",
          "symbol": "VDR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "in stop mode",
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          "name": "System boot-up period, Normal boot-up",
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          "max": 55,
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          "name": "System boot-up period, Fast boot-up",
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          "conditions": "VDD =5V",
          "source_page": 17,
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          "name": "External reset pulse width",
          "symbol": "tRST",
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          "unit": "us",
          "min": 120,
          "typ": null,
          "max": null,
          "conditions": "@ VDD =5V",
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          "name": "Comparator offset",
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          "min": null,
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          "max": 20,
          "conditions": "printed ±10 typ, ±20 max",
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          "min": 0,
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          "min": 1.8,
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          "min": -0.3,
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          "max": 0.3,
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          "name": "Junction Temperature",
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          "min": null,
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          "max": 150,
          "conditions": "",
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          "name": "Storage Temperature",
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          "min": -50,
          "typ": null,
          "max": 125,
          "conditions": "",
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