STM8S105C4T6TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm8s105c4t6tr",
  "title": "STM8S105C4T6TR",
  "brief": "STMicroelectronics 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": [
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    "embedded processors & controllers",
    "stm8s105c4t6tr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM8S105C4T6TR",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175923666497536",
    "parts": {
      "symbol": "stm8s105c4t6tr.kicad_sym",
      "footprint": "stm8s105c4t6tr.kicad_mod",
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      "model_3d_plain": "stm8s105c4t6tr.glb",
      "model_3d_step": "stm8s105c4t6tr-etched.step",
      "model_3d_step_plain": "stm8s105c4t6tr.step",
      "lbr": "stm8s105c4t6tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C66575",
      "digikey": "497-18854-2-ND",
      "mouser": "511-STM8S105C4T6TR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T03:52:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-18854-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-STM8S105C4T6TR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin, listed in the pin table as type I/O with main function Reset, and its reset state is shown as X."
      },
      {
        "number": "2",
        "name": "PA1/OSCIN",
        "type": "bidirectional",
        "description": "Port A1 pin that doubles as the resonator/crystal input OSCIN, with slow output speed O1 (up to 2 MHz)."
      },
      {
        "number": "3",
        "name": "PA2/OSCOUT",
        "type": "bidirectional",
        "description": "Port A2 pin that doubles as the resonator/crystal output OSCOUT, with slow output speed O1 (up to 2 MHz)."
      },
      {
        "number": "4",
        "name": "VSSIO_1",
        "type": "power_in",
        "description": "I/O ground."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "6",
        "name": "VCAP",
        "type": "power_out",
        "description": "1.8 V regulator capacitor pin; an external VCAP capacitor is connected here (see section 10.3.1)."
      },
      {
        "number": "7",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital power supply; the device operates from 2.95 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "VDDIO_1",
        "type": "power_in",
        "description": "I/O power supply."
      },
      {
        "number": "9",
        "name": "PA3/TIM2_CH3",
        "type": "bidirectional",
        "description": "Port A3 pin with default alternate function Timer 2 channel 3; TIM3_CH1 is available here when alternate function remap option AFR1 is set."
      },
      {
        "number": "10",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A4 pin with high sink capability and output speed O3 (fast/slow programmable, slow after reset)."
      },
      {
        "number": "11",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A5 pin with high sink capability and output speed O3 (fast/slow programmable, slow after reset)."
      },
      {
        "number": "12",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A6 pin with high sink capability and output speed O3 (fast/slow programmable, slow after reset)."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog power supply."
      },
      {
        "number": "14",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "15",
        "name": "PB7/AIN7",
        "type": "bidirectional",
        "description": "Port B7 pin that doubles as ADC analog input 7."
      },
      {
        "number": "16",
        "name": "PB6/AIN6",
        "type": "bidirectional",
        "description": "Port B6 pin that doubles as ADC analog input 6."
      },
      {
        "number": "17",
        "name": "PB5/AIN5",
        "type": "bidirectional",
        "description": "Port B5 pin that doubles as ADC analog input 5; I2C_SDA is available here when remap option AFR6 is set."
      },
      {
        "number": "18",
        "name": "PB4/AIN4",
        "type": "bidirectional",
        "description": "Port B4 pin that doubles as ADC analog input 4; I2C_SCL is available here when remap option AFR6 is set."
      },
      {
        "number": "19",
        "name": "PB3/AIN3",
        "type": "bidirectional",
        "description": "Port B3 pin that doubles as ADC analog input 3; TIM1_ETR is available here when remap option AFR5 is set."
      },
      {
        "number": "20",
        "name": "PB2/AIN2",
        "type": "bidirectional",
        "description": "Port B2 pin that doubles as ADC analog input 2; TIM1_CH3N is available here when remap option AFR5 is set."
      },
      {
        "number": "21",
        "name": "PB1/AIN1",
        "type": "bidirectional",
        "description": "Port B1 pin that doubles as ADC analog input 1; TIM1_CH2N is available here when remap option AFR5 is set."
      },
      {
        "number": "22",
        "name": "PB0/AIN0",
        "type": "bidirectional",
        "description": "Port B0 pin that doubles as ADC analog input 0; TIM1_CH1N is available here when remap option AFR5 is set."
      },
      {
        "number": "23",
        "name": "PE7/AIN8",
        "type": "bidirectional",
        "description": "Port E7 pin that doubles as ADC analog input 8."
      },
      {
        "number": "24",
        "name": "PE6/AIN9",
        "type": "bidirectional",
        "description": "Port E6 pin that doubles as ADC analog input 9."
      },
      {
        "number": "25",
        "name": "PE5/SPI_NSS",
        "type": "bidirectional",
        "description": "Port E5 pin with SPI master/slave select function (SPI_NSS)."
      },
      {
        "number": "26",
        "name": "PC1/TIM1_CH1/UART2_CK",
        "type": "bidirectional",
        "description": "Port C1 pin with Timer 1 channel 1 and UART2 synchronous clock (UART2_CK) functions, high sink capability, and output speed O3."
      },
      {
        "number": "27",
        "name": "PC2/TIM1_CH2",
        "type": "bidirectional",
        "description": "Port C2 pin with Timer 1 channel 2 function, high sink capability, and output speed O3."
      },
      {
        "number": "28",
        "name": "PC3/TIM1_CH3",
        "type": "bidirectional",
        "description": "Port C3 pin with Timer 1 channel 3 function, high sink capability, and output speed O3."
      },
      {
        "number": "29",
        "name": "PC4/TIM1_CH4",
        "type": "bidirectional",
        "description": "Port C4 pin with Timer 1 channel 4 function, high sink capability, and output speed O3."
      },
      {
        "number": "30",
        "name": "PC5/SPI_SCK",
        "type": "bidirectional",
        "description": "Port C5 pin with SPI clock (SPI_SCK) function, high sink capability, and output speed O3."
      },
      {
        "number": "31",
        "name": "VSSIO_2",
        "type": "power_in",
        "description": "I/O ground."
      },
      {
        "number": "32",
        "name": "VDDIO_2",
        "type": "power_in",
        "description": "I/O power supply."
      },
      {
        "number": "33",
        "name": "PC6/SPI_MOSI",
        "type": "bidirectional",
        "description": "Port C6 pin with SPI master out/slave in (SPI_MOSI) function, high sink capability, and output speed O3."
      },
      {
        "number": "34",
        "name": "PC7/SPI_MISO",
        "type": "bidirectional",
        "description": "Port C7 pin with SPI master in/slave out (SPI_MISO) function, high sink capability, and output speed O3."
      },
      {
        "number": "35",
        "name": "PG0",
        "type": "bidirectional",
        "description": "Port G0 general-purpose I/O with output speed O1 (up to 2 MHz)."
      },
      {
        "number": "36",
        "name": "PG1",
        "type": "bidirectional",
        "description": "Port G1 general-purpose I/O with output speed O1 (up to 2 MHz)."
      },
      {
        "number": "37",
        "name": "PE3/TIM1_BKIN",
        "type": "bidirectional",
        "description": "Port E3 pin with Timer 1 break input (TIM1_BKIN) function."
      },
      {
        "number": "38",
        "name": "PE2/I2C_SDA",
        "type": "bidirectional",
        "description": "Port E2 pin with I2C data (I2C_SDA) function; it is a true open-drain I/O (no P-buffer, weak pull-up or protection diode to VDD)."
      },
      {
        "number": "39",
        "name": "PE1/I2C_SCL",
        "type": "bidirectional",
        "description": "Port E1 pin with I2C clock (I2C_SCL) function; it is a true open-drain I/O (no P-buffer, weak pull-up or protection diode to VDD)."
      },
      {
        "number": "40",
        "name": "PE0/CLK_CCO",
        "type": "bidirectional",
        "description": "Port E0 pin with configurable clock output (CLK_CCO) function, high sink capability, and output speed O3."
      },
      {
        "number": "41",
        "name": "PD0/TIM3_CH2",
        "type": "bidirectional",
        "description": "Port D0 pin with Timer 3 channel 2 function, high sink capability; TIM1_BKIN (AFR3) and CLK_CCO (AFR2) are available here as remapped alternate functions."
      },
      {
        "number": "42",
        "name": "PD1/SWIM",
        "type": "bidirectional",
        "description": "Port D1 pin with SWIM single-wire debug interface data function; it is in input pull-up during reset and after internal reset release, with high sink capability."
      },
      {
        "number": "43",
        "name": "PD2/TIM3_CH1",
        "type": "bidirectional",
        "description": "Port D2 pin with Timer 3 channel 1 function, high sink capability; TIM2_CH3 (AFR1) is available here as a remapped alternate function."
      },
      {
        "number": "44",
        "name": "PD3/TIM2_CH2",
        "type": "bidirectional",
        "description": "Port D3 pin with Timer 2 channel 2 function, high sink capability; ADC_ETR (AFR0) is available here as a remapped alternate function."
      },
      {
        "number": "45",
        "name": "PD4/TIM2_CH1",
        "type": "bidirectional",
        "description": "Port D4 pin with Timer 2 channel 1 function, high sink capability; BEEP output (AFR7) is available here as a remapped alternate function."
      },
      {
        "number": "46",
        "name": "PD5/UART2_TX",
        "type": "bidirectional",
        "description": "Port D5 pin with UART2 data transmit (UART2_TX) function and output speed O1 (up to 2 MHz)."
      },
      {
        "number": "47",
        "name": "PD6/UART2_RX",
        "type": "bidirectional",
        "description": "Port D6 pin with UART2 data receive (UART2_RX) function and output speed O1 (up to 2 MHz)."
      },
      {
        "number": "48",
        "name": "PD7/TLI",
        "type": "bidirectional",
        "description": "Port D7 pin with top level interrupt (TLI) function; TIM1_CH4 (AFR4) is available here as a remapped alternate function."
      }
    ],
    "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 match: MPN STM8S105C4T6TR is the 16 KB, LQFP (T), 48-pin (C) variant, so the LQFP48 (7x7 mm); PF4 (AIN12) is not on the LQFP48 package; the table lists it only for LQFP32/UFQFPN32 and SDIP32, so; Type mapping choice: the datasheet marks VCAP as supply type S with the note '1.8 V regulator capaci"
        ],
        "pages_sent": 55,
        "cost_usd": 0.2289,
        "at": "2026-10-08T03:52:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586175923666497536",
        "pages": 121,
        "sha256": "b1007bc27bb78327",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm8s105c4t6tr-etched.step",
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        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-48(7x7)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "48"
    }
  },
  "variants": [],
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  "discovery_pitch": "STM8S105C4T6TR (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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