STC32G8K64-42I-QFN48

{
  "schema_version": 1,
  "type": "component",
  "slug": "stc32g8k64-42i-qfn48",
  "title": "STC32G8K64-42I-QFN48",
  "brief": "STC Micro Microcontroller Units (MCUs/MPUs/SOCs), QFN-48(6x6). 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",
    "stc32g8k64-42i-qfn48",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "STC32G8K64-42I-QFN48",
    "manufacturer": "STC Micro",
    "package": "QFN-48(6x6)",
    "pin_count": 49,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8fe4cdefdfe8ba1a5b5a614521aecf58.pdf",
    "parts": {
      "symbol": "stc32g8k64-42i-qfn48.kicad_sym",
      "footprint": "stc32g8k64-42i-qfn48.kicad_mod",
      "model_3d": "stc32g8k64-42i-qfn48-hero.glb",
      "model_3d_plain": "stc32g8k64-42i-qfn48-etched.glb",
      "model_3d_step": "stc32g8k64-42i-qfn48-etched.step",
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      "lbr": "stc32g8k64-42i-qfn48.lbr"
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    "distributor_links": {
      "lcsc": "C7502585"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:32:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P5.3",
        "type": "bidirectional",
        "description": "General-purpose bidirectional I/O that can also carry UART4 TX (TxD4_2), CAN2 TX and LIN TX alternate functions."
      },
      {
        "number": "2",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD5, ADC13 analog input and Timer3 clock-divided output T3CLKO."
      },
      {
        "number": "3",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD6, ADC14 analog input, Timer4 external clock T4 and PWM fault input PWMFLT2_2."
      },
      {
        "number": "4",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD7 and Timer4 clock-divided output T4CLKO."
      },
      {
        "number": "5",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC0 analog input, PWM1P capture/output and UART2 receive RxD2."
      },
      {
        "number": "6",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC1 analog input, PWM1N output and UART2 transmit TxD2."
      },
      {
        "number": "7",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART2 alternate TX (TxD2_2), CAN2 TX and LIN TX alternate functions."
      },
      {
        "number": "8",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC4 analog input, PWM3P, SPI MISO and I2C SDA alternate functions."
      },
      {
        "number": "9",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC5 analog input, PWM3N, SPI SCLK and I2C SCL alternate functions."
      },
      {
        "number": "10",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC6 analog input, PWM4P, UART1 RX alternate (RxD_3), main clock output MCLKO_2 and external crystal output XTALO."
      },
      {
        "number": "11",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC7 analog input, PWM4N, UART1 TX alternate (TxD_3) and external crystal/clock input XTALI."
      },
      {
        "number": "12",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as ADC3 analog input, SPI MOSI, PWM2N and Timer2 clock-divided output T2CLKO."
      },
      {
        "number": "13",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as PWM2P output/capture, SPI SS input and Timer2 external clock input T2."
      },
      {
        "number": "14",
        "name": "P5.4",
        "type": "bidirectional",
        "description": "Standard I/O by default; when configured as reset it is an active-low nRST input, and it also serves as MCLKO, ADC2 input and SPI SS."
      },
      {
        "number": "15",
        "name": "Vcc",
        "type": "power_in",
        "description": "Power supply pin; operating voltage range is 1.9 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "ADC_VRef+",
        "type": "input",
        "description": "ADC external reference voltage input that must be connected to an external reference between 2.4 V and MCU-VCC, since leaving it floating causes leakage current."
      },
      {
        "number": "17",
        "name": "Gnd",
        "type": "power_in",
        "description": "Ground pin, also used as the ADC analog ground AGnd."
      },
      {
        "number": "18",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as SPI MOSI alternate (MOSI_3), USART1 and USART2 SPI MOSI alternates and I2S data output I2SSD_4."
      },
      {
        "number": "19",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Port 3 bit 0 that also serves as UART1 RXD, USB data line D- and external interrupt INT4; it has a weak pull-up after power-on."
      },
      {
        "number": "20",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Port 3 bit 1 that also serves as UART1 TXD and USB data line D+; it has a weak pull-up after power-on."
      },
      {
        "number": "21",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as external interrupt INT0, SPI SCLK alternate, I2C SCL alternate and PWM external trigger PWMETI; it is sampled at power-on to decide USB download entry."
      },
      {
        "number": "22",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as external interrupt INT1, SPI MISO alternate, I2C SDA alternate and PWM4N output."
      },
      {
        "number": "23",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as Timer0 external clock T0, Timer1 clock-divided output T1CLKO and comparator output CMPO."
      },
      {
        "number": "24",
        "name": "P5.0",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART3 RX alternate (RxD3_2), comparator positive input CMP+_2 and CAN RX alternate."
      },
      {
        "number": "25",
        "name": "P5.1",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART3 TX alternate (TxD3_2), comparator positive input CMP+_3 and CAN TX alternate."
      },
      {
        "number": "26",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as Timer1 external clock T1, Timer0 clock-divided output T0CLKO, SPI SS alternate and PWM fault input PWMFLT."
      },
      {
        "number": "27",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as external interrupt INT2, UART1 RX alternate (RxD_2) and comparator negative input CMP-."
      },
      {
        "number": "28",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as external interrupt INT3, UART1 TX alternate (TxD_2) and comparator positive input CMP+."
      },
      {
        "number": "29",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as SPI MISO alternate (MISO_3), comparator output CMPO_2 and PWM external trigger PWMETI_2."
      },
      {
        "number": "30",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as the WR strobe and CAN RX alternate (CAN_RX_3)."
      },
      {
        "number": "31",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART4 RX alternate (RxD_4) and SPI SCLK alternate (SCLK_3)."
      },
      {
        "number": "32",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as the RD strobe and UART4 TX alternate (TxD_4)."
      },
      {
        "number": "33",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A8, PWM1P_2 and PWM5 output."
      },
      {
        "number": "34",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A9, PWM1N_2 and PWM6 output."
      },
      {
        "number": "35",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A10, PWM2P_2, PWM7 and SPI SS alternate."
      },
      {
        "number": "36",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A11, PWM2N_2, PWM8 and SPI MOSI alternate."
      },
      {
        "number": "37",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A12, PWM3P_2, SPI MISO alternate and I2C SDA alternate."
      },
      {
        "number": "38",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A13, PWM3N_2, SPI SCLK alternate and I2C SCL alternate."
      },
      {
        "number": "39",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A14 and PWM4P_2 output."
      },
      {
        "number": "40",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address bus A15 and PWM4N_2 output."
      },
      {
        "number": "41",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as the ALE strobe and CAN TX alternate (CAN_TX_3)."
      },
      {
        "number": "42",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART2 RX alternate (RxD2_2), CAN2 RX alternate (CAN2_RX_3) and LIN RX alternate (LIN_RX_3)."
      },
      {
        "number": "43",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD0, ADC8 analog input, UART3 RX and CAN RX."
      },
      {
        "number": "44",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD1, ADC9 analog input, UART3 TX and CAN TX."
      },
      {
        "number": "45",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD2, ADC10 analog input, UART4 RX, CAN2 RX and LIN RX."
      },
      {
        "number": "46",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD3, ADC11 analog input, UART4 TX, CAN2 TX and LIN TX."
      },
      {
        "number": "47",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as address/data bus AD4, ADC12 analog input and Timer3 external clock T3."
      },
      {
        "number": "48",
        "name": "P5.2",
        "type": "bidirectional",
        "description": "Standard I/O that also serves as UART4 RX alternate (RxD4_2), CAN2 RX alternate (CAN2_RX_2) and LIN RX alternate (LIN_RX_2)."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet excerpt gives the LQFP48/QFN48 pin-to-name mapping in the pin diagram (PAGE 305), whic",
          "1/49 pins cited to the wrong page (name found elsewhere): ['16:ADC_VRef+@p316']"
        ],
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        "at": "2026-10-27T06:31:48"
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        "pages": 1887,
        "sha256": "59bba1d366cc8d33",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
    "viewers": {
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    "specs": {
      "Manufacturer": "STC Micro",
      "Package": "QFN-48(6x6)",
      "Category": "Single Chip Microcomputer/Microcontroller",
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  "discovery_pitch": "STC32G8K64-42I-QFN48 (STC Micro) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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