STM8AL3188TCY

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm8al3188tcy",
  "title": "STM8AL3188TCY",
  "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": [
    "component",
    "embedded processors & controllers",
    "stm8al3188tcy",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM8AL3188TCY",
    "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/8583254409359347712",
    "parts": {
      "symbol": "stm8al3188tcy.kicad_sym",
      "footprint": "stm8al3188tcy.kicad_mod",
      "model_3d": "stm8al3188tcy-hero.glb",
      "model_3d_plain": "stm8al3188tcy.glb",
      "model_3d_step": "stm8al3188tcy-etched.step",
      "model_3d_step_plain": "stm8al3188tcy.step",
      "lbr": "stm8al3188tcy.lbr"
    },
    "distributor_links": {
      "lcsc": "C1338940",
      "digikey": "497-15972-ND",
      "mouser": "511-STM8AL3188TCY"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T13:53:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-15972-ND",
        "status": "found",
        "lifecycle": "Not For New Designs"
      },
      "mouser": {
        "pn": "511-STM8AL3188TCY",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Port A0 high sink LED driver I/O, input pull-up during reset and after reset release, with alternate functions USART1 synchronous clock, SWIM input/output, Beep output and infrared timer output."
      },
      {
        "number": "2",
        "name": "NRST/PA1",
        "type": "bidirectional",
        "description": "Reset input with pull-up at power-up (VIL max 0.8 V, VIH min 1.4 V); as general-purpose pin it is PA1, output only (open-drain or push-pull), not usable as a general-purpose input."
      },
      {
        "number": "3",
        "name": "PA2/OSC_IN",
        "type": "bidirectional",
        "description": "HSE oscillator input with high sink/source I/O and alternate functions USART1 transmit and SPI1 master in/slave out."
      },
      {
        "number": "4",
        "name": "PA3/OSC_OUT",
        "type": "bidirectional",
        "description": "HSE oscillator output with high sink/source I/O and alternate functions USART1 receive and SPI1 master out/slave in."
      },
      {
        "number": "5",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Port A4 five-volt tolerant I/O with TIM2 break input, optional TIM2 trigger, ADC1 input 2 and comparator 1 positive input."
      },
      {
        "number": "6",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Port A5 five-volt tolerant I/O with TIM3 break input, optional TIM3 trigger, ADC1 input 1 and comparator 1 positive input."
      },
      {
        "number": "7",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Port A6 five-volt tolerant I/O with ADC1 trigger, ADC1 input 0 and comparator 1 positive input."
      },
      {
        "number": "8",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Port A7 five-volt tolerant I/O with TIM5 channel 1 alternate function."
      },
      {
        "number": "9",
        "name": "VSS/VSSA/VREF-",
        "type": "power_in",
        "description": "I/O ground, analog ground voltage and ADC1 negative voltage reference."
      },
      {
        "number": "10",
        "name": "VDD1",
        "type": "power_in",
        "description": "Digital power supply."
      },
      {
        "number": "11",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply voltage."
      },
      {
        "number": "12",
        "name": "VREF+/VREF+_DAC",
        "type": "power_in",
        "description": "Positive voltage reference for ADC1 and DAC1/DAC2."
      },
      {
        "number": "13",
        "name": "VLCD",
        "type": "passive",
        "description": "Reserved on STM8AL318x devices and must be tied to VDD (LCD booster capacitor pin on STM8AL3L8x only)."
      },
      {
        "number": "14",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Port E0 five-volt tolerant I/O with TIM5 channel 2 and RTC tamper 1 alternate functions."
      },
      {
        "number": "15",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Port E1 five-volt tolerant I/O with TIM1 inverted channel 2 and RTC tamper 2 alternate functions."
      },
      {
        "number": "16",
        "name": "PE2",
        "type": "bidirectional",
        "description": "Port E2 five-volt tolerant I/O with TIM1 inverted channel 3 and RTC tamper 3 alternate functions."
      },
      {
        "number": "17",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Port E3 five-volt tolerant I/O with USART2 receive alternate function."
      },
      {
        "number": "18",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Port E4 five-volt tolerant I/O with DAC 2 trigger and USART2 transmit alternate functions."
      },
      {
        "number": "19",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Port E5 five-volt tolerant I/O with ADC1 input 23, comparator 1 and 2 positive inputs and USART2 synchronous clock."
      },
      {
        "number": "20",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Port D0 five-volt tolerant I/O with TIM3 channel 2, optional ADC1 trigger, ADC1 input 22 and comparator 2 positive input 2."
      },
      {
        "number": "21",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Port D1 five-volt tolerant I/O with TIM3 trigger, ADC1 input 21 and comparator 1 and 2 positive inputs."
      },
      {
        "number": "22",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Port D2 five-volt tolerant I/O with TIM1 channel 1, ADC1 input 20 and comparator 1 positive input."
      },
      {
        "number": "23",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Port D3 five-volt tolerant I/O with TIM1 trigger, ADC1 input 19 and comparator 1 positive input."
      },
      {
        "number": "24",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Port B0 five-volt tolerant I/O with TIM2 channel 1, ADC1 input 18 and comparator 1 positive input; pull-up applied during reset phase, input floating after reset release."
      },
      {
        "number": "25",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Port B1 five-volt tolerant I/O with TIM3 channel 1, ADC1 input 17 and comparator 1 positive input."
      },
      {
        "number": "26",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Port B2 five-volt tolerant I/O with TIM2 channel 2, ADC1 input 16 and comparator 1 positive input."
      },
      {
        "number": "27",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Port B3 five-volt tolerant I/O with TIM2 trigger, ADC1 input 15 and comparator 1 positive input."
      },
      {
        "number": "28",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Port B4 five-volt tolerant I/O with SPI1 master/slave select, ADC1 input 14, DAC channel 2 output and comparator 1 positive input; pull-up applied during reset phase, input floating after reset release."
      },
      {
        "number": "29",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Port B5 five-volt tolerant I/O with SPI1 clock, ADC1 input 13, DAC channel 2 output and comparator 1 positive input."
      },
      {
        "number": "30",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Port B6 five-volt tolerant I/O with SPI1 master out/slave in, ADC1 input 12, DAC channel 2 output and comparator 1 positive input."
      },
      {
        "number": "31",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Port B7 five-volt tolerant I/O with SPI1 master in/slave out, ADC1 input 11 and comparator 1 positive input."
      },
      {
        "number": "32",
        "name": "PF0",
        "type": "bidirectional",
        "description": "Port F0 I/O (not five-volt tolerant) with ADC1 input 24 and DAC 1 output."
      },
      {
        "number": "33",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Port D4 five-volt tolerant I/O with TIM1 channel 2, ADC1 input 10, SPI2 master in/slave out and comparator 1 positive input."
      },
      {
        "number": "34",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Port D5 five-volt tolerant I/O with TIM1 channel 3, ADC1 input 9, SPI2 master out/slave in and comparator 1 positive input."
      },
      {
        "number": "35",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Port D6 five-volt tolerant I/O with TIM1 break input, ADC1 input 8, RTC calibration, SPI2 clock, comparator 1 positive input and internal reference voltage output."
      },
      {
        "number": "36",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Port D7 five-volt tolerant I/O with TIM1 inverted channel 1, ADC1 input 7, RTC alarm, SPI2 master/slave select, comparator 1 positive input and internal reference voltage output."
      },
      {
        "number": "37",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Port C0 true open-drain I/O (no weak pull-up and no protection diode to VDD) with I2C1 data."
      },
      {
        "number": "38",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Port C1 true open-drain I/O (no weak pull-up and no protection diode to VDD) with I2C1 clock."
      },
      {
        "number": "39",
        "name": "VDD2",
        "type": "power_in",
        "description": "IOs supply voltage."
      },
      {
        "number": "40",
        "name": "VSS2",
        "type": "power_in",
        "description": "IOs ground voltage."
      },
      {
        "number": "41",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Port C2 five-volt tolerant I/O with USART1 receive, ADC1 input 6, comparator 1 positive input and internal reference voltage output."
      },
      {
        "number": "42",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Port C3 five-volt tolerant I/O with USART1 transmit and ADC1 input 5."
      },
      {
        "number": "43",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Port C4 five-volt tolerant I/O with USART1 synchronous clock, I2C1 SMBus, configurable clock output, ADC1 input 4, comparator 2 negative input and comparator 1 positive input."
      },
      {
        "number": "44",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Port C5 five-volt tolerant I/O with LSE oscillator input (OSC32_IN), SPI1 master/slave select and USART1 transmit alternate functions."
      },
      {
        "number": "45",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Port C6 five-volt tolerant I/O with LSE oscillator output (OSC32_OUT), SPI1 clock and USART1 receive alternate functions."
      },
      {
        "number": "46",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Port C7 five-volt tolerant I/O with ADC1 input 3, USART3 synchronous clock, comparator 2 negative input and comparator 1 positive input."
      },
      {
        "number": "47",
        "name": "PE6",
        "type": "bidirectional",
        "description": "Port E6 five-volt tolerant I/O with PVD input, TIM5 break input and USART3 transmit alternate functions."
      },
      {
        "number": "48",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Port E7 five-volt tolerant I/O with TIM5 trigger and USART3 receive alternate functions."
      }
    ],
    "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: MPN STM8AL3188TCY decodes as STM8 AL 31 8 8 A... i.e. STM8AL3188 (64 Kbyte Flash, 48-pin, LQFP, -40 ; LCD alternate functions listed in Table 5 (LCD_SEGx, LCD_COMx) apply only to STM8AL3L8x devices (foo; Pin 13 is VLCD on the LQFP48 column; the datasheet states it is reserved on STM8AL318x and must be t"
        ],
        "pages_sent": 45,
        "cost_usd": 0.2363,
        "at": "2026-10-11T13:52:59"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8583254409359347712",
        "pages": 132,
        "sha256": "afd66c9215d8fa58",
        "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": "stm8al3188tcy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "stm8al3188tcy-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "341f4663a2eac1d4a7918c68f3a610e3f5ba890ee9639b24f51518ce64325f99",
        "checked": "2026-10-11",
        "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": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "stm8al3188tcy"
  ],
  "discovery_pitch": "STM8AL3188TCY (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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}