STC32G12K64-35I-LQFP48

{
  "schema_version": 1,
  "type": "component",
  "slug": "stc32g12k64-35i-lqfp48",
  "title": "STC32G12K64-35I-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",
    "stc32g12k64-35i-lqfp48",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STC32G12K64-35I-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/8756362851173326848",
    "parts": {
      "symbol": "stc32g12k64-35i-lqfp48.kicad_sym",
      "footprint": "stc32g12k64-35i-lqfp48.kicad_mod",
      "model_3d": "stc32g12k64-35i-lqfp48-hero.glb",
      "model_3d_plain": "stc32g12k64-35i-lqfp48-etched.glb",
      "model_3d_step": "stc32g12k64-35i-lqfp48-etched.step",
      "model_3d_step_plain": "stc32g12k64-35i-lqfp48.step",
      "lbr": "stc32g12k64-35i-lqfp48.lbr"
    },
    "distributor_links": {
      "lcsc": "C20613517"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T17:44:17Z",
      "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 I/O port P5.3 (quasi-bidirectional, push-pull, open-drain or high-impedance input modes, optional 4K pull-up); alternates TxD4_2 (UART4 TX), CAN2_TX_2 and LIN_TX_2."
      },
      {
        "number": "2",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Standard I/O port P0.5 with alternates AD5 (address/data bus), ADC13 (ADC input channel 13) and T3CLKO (Timer 3 clock divided output)."
      },
      {
        "number": "3",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Standard I/O port P0.6 with alternates AD6, ADC14 (ADC input channel 14), T4 (Timer 4 external clock input) and PWM external fault/trigger input PWMETI2_2 (listed as PWMFLT2_2 in the pin table)."
      },
      {
        "number": "4",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Standard I/O port P0.7 with alternates AD7 (address/data bus) and T4CLKO (Timer 4 clock divided output)."
      },
      {
        "number": "5",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Standard I/O port P1.0 with alternates ADC0 (ADC input channel 0), PWM1P (PWM1 capture input / pulse output positive) and RxD2 (UART2 receive)."
      },
      {
        "number": "6",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Standard I/O port P1.1 with alternates ADC1 (ADC input channel 1), PWM1N (PWM1 pulse output negative) and TxD2 (UART2 transmit)."
      },
      {
        "number": "7",
        "name": "P4.7",
        "type": "bidirectional",
        "description": "Standard I/O port P4.7 with alternates TxD2_2 (UART2 transmit), CAN2_TX_3 and LIN_TX_3."
      },
      {
        "number": "8",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Standard I/O port P1.4 with alternates ADC4 (ADC input channel 4), PWM3P, MISO/S1MISO/S2MISO (SPI master-in slave-out) and SDA (I2C data)."
      },
      {
        "number": "9",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Standard I/O port P1.5 with alternates ADC5 (ADC input channel 5), PWM3N, SCLK/S1SCLK/S2SCLK (SPI clock) and SCL (I2C clock)."
      },
      {
        "number": "10",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Standard I/O port P1.6 with alternates ADC6, RxD_3 (UART1 receive), PWM4P, MCLKO_2 (master clock divided output) and XTALO (external crystal output)."
      },
      {
        "number": "11",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "Standard I/O port P1.7 with alternates ADC7, TxD_3 (UART1 transmit), PWM4N, PWM5_2 and XTALI (external crystal / external clock input)."
      },
      {
        "number": "12",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Standard I/O port P1.3 with alternates ADC3, MOSI/S1MOSI/S2MOSI (SPI master-out slave-in), PWM2N and T2CLKO (Timer 2 clock divided output)."
      },
      {
        "number": "13",
        "name": "UCAP",
        "type": "passive",
        "description": "USB core power regulator stabilization pin; connect the decoupling capacitor shown in the datasheet reference circuits."
      },
      {
        "number": "14",
        "name": "P5.4/nRST",
        "type": "bidirectional",
        "description": "Standard I/O port P5.4 after factory default; can be set through ISP as the active-low reset input nRST (reset level low), and also alternates MCLKO, SS, ADC2 and T2."
      },
      {
        "number": "15",
        "name": "Vcc/AVcc",
        "type": "power_in",
        "description": "Main supply input, 1.9 V to 5.5 V (operation below -40 °C requires at least 3.0 V); AVcc is the ADC supply."
      },
      {
        "number": "16",
        "name": "ADC_VRef+",
        "type": "input",
        "description": "ADC external reference voltage input; must be connected to an external reference between 2.4 V and MCU-VCC, since floating causes leakage current."
      },
      {
        "number": "17",
        "name": "Gnd/AGnd",
        "type": "power_in",
        "description": "Ground; AGnd is the ADC analog ground."
      },
      {
        "number": "18",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "Standard I/O port P4.0 with alternates MOSI_3, S1MOSI_3 and S2MOSI_3 (SPI master-out slave-in)."
      },
      {
        "number": "19",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "Standard I/O port P3.0 with USB D- data line, RxD (UART1 receive) and INT4; quasi-bidirectional with weak pull-up at power-up and used for USB/serial ISP download and emulation."
      },
      {
        "number": "20",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "Standard I/O port P3.1 with USB D+ data line and TxD (UART1 transmit); quasi-bidirectional with weak pull-up at power-up and used with P3.0 for ISP download and emulation."
      },
      {
        "number": "21",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Standard I/O port P3.2 with INT0, SCLK_4, SCL_4 and PWM external trigger inputs PWMETI/PWMETI2; held high at power-on reset and pulled low to select USB download mode."
      },
      {
        "number": "22",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "Standard I/O port P3.3 with INT1, MISO_4, SDA_4, PWM4N_4 and PWM7_2."
      },
      {
        "number": "23",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "Standard I/O port P3.4 with T0 external clock input, T1CLKO, MOSI_4, PWM4P_4, PWM8_2 and CMPO (comparator output)."
      },
      {
        "number": "24",
        "name": "P5.0",
        "type": "bidirectional",
        "description": "Standard I/O port P5.0 with RxD3_2 (UART3 receive), CMP+_2 (comparator positive input) and CAN_RX_2."
      },
      {
        "number": "25",
        "name": "P5.1",
        "type": "bidirectional",
        "description": "Standard I/O port P5.1 with TxD3_2 (UART3 transmit), CMP+_3 (comparator positive input) and CAN_TX_2."
      },
      {
        "number": "26",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "Standard I/O port P3.5 with T1 external clock input, T0CLKO, SS_4 (SPI slave select) and PWMFLT (PWM external fault input)."
      },
      {
        "number": "27",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "Standard I/O port P3.6 with INT2, RxD_2 (UART1 receive alternate) and CMP- (comparator negative input)."
      },
      {
        "number": "28",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "Standard I/O port P3.7 with INT3, TxD_2 (UART1 transmit alternate) and CMP+ (comparator positive input)."
      },
      {
        "number": "29",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "Standard I/O port P4.1 with MISO_3, S1MISO_3, S2MISO_3, CMPO_2 and PWMETI_2."
      },
      {
        "number": "30",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "Standard I/O port P4.2 with WR (external bus write strobe) and CAN_RX_3."
      },
      {
        "number": "31",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "Standard I/O port P4.3 with RxD_4 (UART4 receive), SCLK_3, S1SCLK_3 and S2SCLK_3."
      },
      {
        "number": "32",
        "name": "P4.4",
        "type": "bidirectional",
        "description": "Standard I/O port P4.4 with RD (external bus read strobe) and TxD_4 (UART4 transmit)."
      },
      {
        "number": "33",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Standard I/O port P2.0 with A8 (address bus), PWM1P_2 and PWM5."
      },
      {
        "number": "34",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Standard I/O port P2.1 with A9 (address bus), PWM1N_2 and PWM6."
      },
      {
        "number": "35",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Standard I/O port P2.2 with A10 (address bus), PWM2P_2, PWM7, SS_2, S1SS_2 and S2SS_2."
      },
      {
        "number": "36",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Standard I/O port P2.3 with A11 (address bus), PWM2N_2, PWM8, MOSI_2, S1MOSI_2 and S2MOSI_2."
      },
      {
        "number": "37",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "Standard I/O port P2.4 with A12 (address bus), PWM3P_2, SDA_2, MISO_2, S1MISO_2 and S2MISO_2."
      },
      {
        "number": "38",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "Standard I/O port P2.5 with A13 (address bus), PWM3N_2, SCL_2, SCLK_2, S1SCLK_2 and S2SCLK_2."
      },
      {
        "number": "39",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "Standard I/O port P2.6 with A14 (address bus) and PWM4P_2."
      },
      {
        "number": "40",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "Standard I/O port P2.7 with A15 (address bus) and PWM4N_2."
      },
      {
        "number": "41",
        "name": "P4.5",
        "type": "bidirectional",
        "description": "Standard I/O port P4.5 with ALE (address latch enable) and CAN_TX_3."
      },
      {
        "number": "42",
        "name": "P4.6",
        "type": "bidirectional",
        "description": "Standard I/O port P4.6 with LIN_RX_3, CAN2_RX_3 and RxD2_2 (UART2 receive alternate)."
      },
      {
        "number": "43",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Standard I/O port P0.0 with AD0 (address/data bus), ADC8, RxD3 (UART3 receive), PWM5_3, T3_2 and CAN_RX."
      },
      {
        "number": "44",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Standard I/O port P0.1 with AD1 (address/data bus), ADC9, TxD3 (UART3 transmit), PWM6_3, T3CLKO_2 and CAN_TX."
      },
      {
        "number": "45",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Standard I/O port P0.2 with AD2 (address/data bus), ADC10, RxD4 (UART4 receive), PWM7_3, T4_2, CAN2_RX and LIN_RX."
      },
      {
        "number": "46",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Standard I/O port P0.3 with AD3 (address/data bus), ADC11, TxD4 (UART4 transmit), PWM8_3, T4CLKO_2, CAN2_TX and LIN_TX."
      },
      {
        "number": "47",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Standard I/O port P0.4 with AD4 (address/data bus), ADC12 and T3 (Timer 3 external clock input)."
      },
      {
        "number": "48",
        "name": "P5.2",
        "type": "bidirectional",
        "description": "Standard I/O port P5.2 with 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 mismatch: the hint says LQFP-48 (7x7), but the datasheet gives LQFP48 as 9mm x 9mm (sections; Part-number mismatch: the MPN is STC32G12K64, but the LQFP48 pin map (PAGE 261) and pin table are ti; Pins 28-42 and pin 43 (P3.7, P4.1-P4.6, P2.0-P2.7, P0.0): the pin-table pages (PAGES 280-282) are no",
          "1/48 pins cited to the wrong page (name found elsewhere): ['16:ADC_VRef+@p278']"
        ],
        "pages_sent": 108,
        "cost_usd": 1.1144,
        "at": "2026-10-20T17:41:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756362851173326848",
        "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": "stc32g12k64-35i-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": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stc32g12k64-35i-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": "b8451e0b3b72f62650e87722d16c3555ef61d2fb902e8533be44ebb13dd16446",
        "checked": "2026-10-20",
        "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": "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（内部高速 IRC 和外部晶振）",
          "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（高温）",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "高于 85℃时请使用外部耐高温晶振，且工作频率建议控制在 24M 以下",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "工作电压",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": 5.5,
          "conditions": "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": "最大值原文为 VDD+0.3 V",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂（-20℃~65℃）",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -0.88,
          "typ": null,
          "max": 1.05,
          "conditions": "-20℃~65℃，参考温度 25℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂（-40℃~85℃）",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.38,
          "typ": null,
          "max": 1.42,
          "conditions": "-40℃~85℃，参考温度 25℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "内部 IRC 温漂（-40℃~125℃）",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "-40℃~125℃，参考温度 25℃",
          "source_page": 1656,
          "source": "datasheet"
        },
        {
          "name": "普通工作模式电流",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 20,
          "conditions": "",
          "source_page": 1657,
          "source": "datasheet"
        },
        {
          "name": "输入低电平（打开施密特触发）",
          "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（关闭施密特触发）",
          "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，打开施密特触发）",
          "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，关闭施密特触发）",
          "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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