STC32G8K64-42I-LQFP48

{
  "schema_version": 1,
  "type": "component",
  "slug": "stc32g8k64-42i-lqfp48",
  "title": "STC32G8K64-42I-LQFP48",
  "brief": "STC Micro Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). 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",
    "stc32g8k64-42i-lqfp48",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STC32G8K64-42I-LQFP48",
    "manufacturer": "STC Micro",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362617621897216",
    "parts": {
      "symbol": "stc32g8k64-42i-lqfp48.kicad_sym",
      "footprint": "stc32g8k64-42i-lqfp48.kicad_mod",
      "model_3d": "stc32g8k64-42i-lqfp48-hero.glb",
      "model_3d_plain": "stc32g8k64-42i-lqfp48-etched.glb",
      "model_3d_step": "stc32g8k64-42i-lqfp48-etched.step",
      "model_3d_step_plain": "stc32g8k64-42i-lqfp48.step",
      "lbr": "stc32g8k64-42i-lqfp48.lbr"
    },
    "distributor_links": {
      "lcsc": "C7419403"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:48:29Z",
      "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": "Standard bidirectional I/O port P5.3, with alternate functions TxD4_2 (UART4 transmit), CAN2_TX_2 and LIN_TX_2."
      },
      {
        "number": "2",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.5, with alternate functions AD5 (address/data bus), ADC13 analog input channel 13 and T3CLKO (Timer 3 clock-divided output)."
      },
      {
        "number": "3",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.6, with alternate functions AD6, ADC14 analog input channel 14, T4 external clock input and PWMFLT2_2 (enhanced PWM external fault-detect input)."
      },
      {
        "number": "4",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.7, with alternate functions AD7 (address/data bus) and T4CLKO (Timer 4 clock-divided output)."
      },
      {
        "number": "5",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.0, with alternate functions ADC0 analog input channel 0, PWM1P (PWM1 capture input/positive pulse output) and RxD2 (UART2 receive)."
      },
      {
        "number": "6",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.1, with alternate functions ADC1 analog input channel 1, PWM1N (PWM1 negative pulse output) and TxD2 (UART2 transmit)."
      },
      {
        "number": "7",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.7, with alternate functions TxD2_2 (UART2 transmit), CAN2_TX_3 and LIN_TX_3."
      },
      {
        "number": "8",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.4, with alternate functions ADC4, PWM3P, SPI MISO, USART1/USART2 SPI MISO and I2C SDA."
      },
      {
        "number": "9",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.5, with alternate functions ADC5, PWM3N, SPI SCLK, USART1/USART2 SPI SCLK, I2C SCL and I2SBCK_2."
      },
      {
        "number": "10",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.6, with alternate functions ADC6, RxD_3 (UART1 alternate receive), PWM4P, MCLKO_2 (master clock divided output), XTALO (external crystal output), I2SMCK_2 and I2SMCK_4."
      },
      {
        "number": "11",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.7, with alternate functions ADC7, TxD_3 (UART1 alternate transmit), PWM4N, PWM5_2 and XTALI (external crystal/clock input)."
      },
      {
        "number": "12",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.3, with alternate functions ADC3, SPI MOSI, USART1/USART2 SPI MOSI, PWM2N, T2CLKO (Timer 2 clock-divided output) and I2SSD_2."
      },
      {
        "number": "13",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P1.2, with alternate functions PWM2P, SPI SS, USART1/USART2 SPI SS and T2 (Timer 2 external clock input)."
      },
      {
        "number": "14",
        "name": "P5.4",
        "type": "bidirectional",
        "description": "Standard I/O port P5.4 by default; it can be set as the active-low reset pin nRST via ISP (power-cycle required to take effect), with alternate functions MCLKO, ADC2, SS and I2S MCLK."
      },
      {
        "number": "15",
        "name": "Vcc/AVcc",
        "type": "power_in",
        "description": "Supply voltage pin for the MCU (Vcc) and the ADC (AVcc); the datasheet specifies an operating range of 1.9 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "ADC_VRef+",
        "type": "input",
        "description": "ADC external reference voltage input, which must be connected to an external reference supply between 2.4 V and MCU-VCC, as floating it causes leakage current."
      },
      {
        "number": "17",
        "name": "Gnd/AGnd",
        "type": "power_in",
        "description": "Ground pin for the digital circuitry (GND) and the ADC ground (AGND)."
      },
      {
        "number": "18",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.0, with alternate functions MOSI_3, S1MOSI_3, S2MOSI_3 and I2SSD_4."
      },
      {
        "number": "19",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.0, weak pull-up/quasi-bidirectional after power-on, with alternate functions RxD (UART1 receive) and INT4; it is also used for the ISP download/emulation interface."
      },
      {
        "number": "20",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.1, weak pull-up/quasi-bidirectional after power-on, with alternate function TxD (UART1 transmit); it is also used for the ISP download/emulation interface."
      },
      {
        "number": "21",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.2, with alternate functions INT0, SCLK_4, SCL_4, PWMETI, PWMETI2 and I2SBCK; it must not be held low together with P3.0 and P3.1 at power-on, otherwise the chip enters USB download mode."
      },
      {
        "number": "22",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.3, with alternate functions INT1, MISO_4, SDA_4, PWM4N_4 and PWM7_2."
      },
      {
        "number": "23",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.4, with alternate functions T0 (Timer 0 external clock input), T1CLKO, MOSI_4, PWM4P_4, PWM8_2, CMPO (comparator output) and I2SSD."
      },
      {
        "number": "24",
        "name": "P5.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P5.0, with alternate functions RxD3_2 (UART3 receive), CMP+_2 (comparator positive input) and CAN_RX_2."
      },
      {
        "number": "25",
        "name": "P5.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P5.1, with alternate functions TxD3_2 (UART3 transmit), CMP+_3 (comparator positive input) and CAN_TX_2."
      },
      {
        "number": "26",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.5, with alternate functions T1 (Timer 1 external clock input), T0CLKO, SS_4, PWMFLT (enhanced PWM external fault input), PWMFLT2 and I2SLRCK."
      },
      {
        "number": "27",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.6, with alternate functions INT2, RxD_2 (UART1 alternate receive) and CMP- (comparator negative input)."
      },
      {
        "number": "28",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P3.7, with alternate functions INT3, TxD_2 (UART1 alternate transmit) and CMP+ (comparator positive input)."
      },
      {
        "number": "29",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.1, with alternate functions MISO_3, S1MISO_3, S2MISO_3, CMPO_2 (comparator output) and PWMETI_2."
      },
      {
        "number": "30",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.2, with alternate functions WR (external bus write strobe) and CAN_RX_3."
      },
      {
        "number": "31",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.3, with alternate functions RxD_4 (UART4 receive), SCLK_3, S1SCLK_3, S2SCLK_3 and I2SCK_4."
      },
      {
        "number": "32",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.4, with alternate functions RD (external bus read strobe) and TxD_4 (UART4 transmit)."
      },
      {
        "number": "33",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.0, with alternate functions A8 (address bus), PWM1P_2 and PWM5."
      },
      {
        "number": "34",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.1, with alternate functions A9 (address bus), PWM1N_2 and PWM6."
      },
      {
        "number": "35",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.2, with alternate functions A10 (address bus), PWM2P_2, PWM7, SS_2, S1SS_2, S2SS_2 and I2SWS_3."
      },
      {
        "number": "36",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.3, with alternate functions A11 (address bus), PWM2N_2, PWM8, MOSI_2, S1MOSI_2, S2MOSI_2 and I2SSD_3."
      },
      {
        "number": "37",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.4, with alternate functions A12 (address bus), PWM3P_2, SDA_2, MISO_2, S1MISO_2 and S2MISO_2."
      },
      {
        "number": "38",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.5, with alternate functions I2SCK_3, S2SCLK_2, S1SCLK_2, SCLK_2, SCL_2, PWM3N_2 and A13 (address bus)."
      },
      {
        "number": "39",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.6, with alternate functions A14 (address bus) and PWM4P_2."
      },
      {
        "number": "40",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P2.7, with alternate functions A15 (address bus) and PWM4N_2."
      },
      {
        "number": "41",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.5, with alternate functions ALE (address latch enable) and CAN_TX_3."
      },
      {
        "number": "42",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P4.6, with alternate functions LIN_RX_3, CAN2_RX_3 and RxD2_2 (UART2 receive)."
      },
      {
        "number": "43",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.0, with alternate functions AD0 (address/data bus), ADC8 analog input channel 8, RxD3 (UART3 receive), PWM5_3, T3_2 and CAN_RX."
      },
      {
        "number": "44",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.1, with alternate functions AD1 (address/data bus), ADC9 analog input channel 9, TxD3 (UART3 transmit), PWM6_3, T3CLKO_2 and CAN_TX."
      },
      {
        "number": "45",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.2, with alternate functions AD2 (address/data bus), ADC10 analog input channel 10, RxD4 (UART4 receive), PWM7_3, T4_2, CAN2_RX and LIN_RX."
      },
      {
        "number": "46",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.3, with alternate functions AD3 (address/data bus), ADC11 analog input channel 11, TxD4 (UART4 transmit), PWM8_3, T4CLKO_2, CAN2_TX and LIN_TX."
      },
      {
        "number": "47",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P0.4, with alternate functions AD4 (address/data bus), ADC12 analog input channel 12 and T3 (Timer 3 external clock input)."
      },
      {
        "number": "48",
        "name": "P5.2",
        "type": "bidirectional",
        "description": "Standard bidirectional I/O port P5.2, with alternate functions RxD4_2 (UART4 receive), CAN2_RX_2 and LIN_RX_2."
      }
    ],
    "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 size conflict: the requested package is LQFP-48 (7x7), but the datasheet lists LQFP48 only a; Pins 28-42 descriptions were taken from the LQFP48 pin map (PDF page 305) because the pin-descriptio; Pin 14 (P5.4) defaults to a standard I/O after power-up and only becomes nRST when enabled through I",
          "1/48 pins cited to the wrong page (name found elsewhere): ['16:ADC_VRef+@p316']"
        ],
        "pages_sent": 108,
        "cost_usd": 1.1131,
        "at": "2026-10-19T03:46:35"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362617621897216",
        "pages": 1887,
        "sha256": "59bba1d366cc8d33",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "stc32g8k64-42i-lqfp48.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc32g8k64-42i-lqfp48-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "51a944f4b8a30df217eb04589899a9e25753485a52ab761125d6b8fc6f67a6ce",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STC Micro",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "59bba1d366cc8d33c15d659c37a769d3d5458b5a2e474aec60e65aabc3257f00",
      "rows": [
        {
          "name": "工作电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": 5.5,
          "conditions": "当工作温度低于-40℃时，工作电压不得低于 3.0V",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "VDD 对地电压",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "I/O 口对地电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "存储温度",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -55,
          "typ": null,
          "max": 155,
          "conditions": "",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "工作温度",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "使用内部高速 IRC 和外部晶振",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "工作温度",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂特性",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.88,
          "typ": null,
          "max": 1.05,
          "conditions": "温度范围 -20℃~65℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂特性",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.38,
          "typ": null,
          "max": 1.42,
          "conditions": "温度范围 -40℃~85℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂特性",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "温度范围 -40℃~125℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "输入低电平",
          "symbol": "VIL1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.32,
          "conditions": "打开施密特触发",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "输入低电平",
          "symbol": "VIL1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.48,
          "conditions": "关闭施密特触发",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "输入高电平（普通 I/O）",
          "symbol": "VIH1",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "打开施密特触发",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "输入高电平（普通 I/O）",
          "symbol": "VIH1",
          "kind": "electrical",
          "unit": "V",
          "min": 1.54,
          "typ": null,
          "max": null,
          "conditions": "关闭施密特触发",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "逻辑 0 输入电流",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "端口电压 0V",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "逻辑 1 到 0 的转移电流",
          "symbol": "ITL",
          "kind": "electrical",
          "unit": "uA",
          "min": 100,
          "typ": 270,
          "max": 600,
          "conditions": "端口电压 2.0V",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
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