HK32F103RET6

{
  "schema_version": 1,
  "type": "component",
  "slug": "hk32f103ret6",
  "title": "HK32F103RET6",
  "brief": "HK Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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",
    "hk32f103ret6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HK32F103RET6",
    "manufacturer": "HK",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756216851104055296",
    "parts": {
      "symbol": "hk32f103ret6.kicad_sym",
      "footprint": "hk32f103ret6.kicad_mod",
      "model_3d": "hk32f103ret6-hero.glb",
      "model_3d_plain": "hk32f103ret6-etched.glb",
      "model_3d_step": "hk32f103ret6-etched.step",
      "model_3d_step_plain": "hk32f103ret6.step",
      "lbr": "hk32f103ret6.lbr"
    },
    "distributor_links": {
      "lcsc": "C482567"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T11:06:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply, 1.8 V to 3.6 V, powering the RTC, the external 32.768 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "I/O PC13 with TAMPER-RTC, WKUP1 and RTCO alternate functions and EXTIN13; footnote (3) applies to this pin."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "I/O PC14 that serves as the LSE oscillator input OSC32_IN (also LSE_CKI) and EXTIN14; footnote (3) applies to this pin."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "I/O PC15 that serves as the LSE oscillator output OSC32_OUT and EXTIN15; footnote (3) applies to this pin."
      },
      {
        "number": "5",
        "name": "PD0/OSC_IN",
        "type": "bidirectional",
        "description": "I/O PD0 whose default function is the HSE oscillator input OSC_IN (also HSE_CKI), supporting 4 to 32 MHz crystals or external clock input."
      },
      {
        "number": "6",
        "name": "PD1/OSC_OUT",
        "type": "bidirectional",
        "description": "I/O PD1 whose default function is the HSE oscillator output OSC_OUT, used with the 4 to 32 MHz crystal."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with internal weak pull-up (about 50 kΩ); VIL max 0.8 V, Schmitt hysteresis 200 mV, low pulses under 100 ns are ignored."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with ADC123_IN10 analog input and EXTIN0 alternate functions."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with ADC123_IN11 analog input and EXTIN1 alternate functions."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with ADC123_IN12 analog input and EXTIN2 alternate functions."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with ADC123_IN13 analog input and EXTIN3 alternate functions."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC and temperature sensor."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, DAC and temperature sensor, 2.0 V to 3.6 V; the datasheet recommends using the same supply as VDD."
      },
      {
        "number": "14",
        "name": "PA0/WKUP",
        "type": "bidirectional",
        "description": "I/O PA0 with WKUP0 wake-up, ADC123_IN0, USART2_CTS, TIM2/TIM5/TIM8 timer alternate functions and EXTIN0; the level column is marked (2), i.e. 5 V tolerant per footnote (2)."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with USART2_RTS, ADC123_IN1, TIM5_CH2, TIM2_CH2 and EXTIN1 alternate functions; also usable as GPIO external clock input (up to 64 MHz)."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with USART2_TX, TIM5_CH3, ADC123_IN2, TIM2_CH3 and EXTIN2 alternate functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with USART2_RX, TIM5_CH4, ADC123_IN3, TIM2_CH4 and EXTIN3 alternate functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin; all VSS pins must be connected to the external ground supply."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply for I/O and internal LDO, 2.0 V to 3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with SPI1_NSS, USART2_CK, DAC1_OUT, ADC12_IN4 and EXTIN4 alternate functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with SPI1_SCK, DAC2_OUT, ADC12_IN5 and EXTIN5 alternate functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with SPI1_MISO, TIM8_BKIN, ADC12_IN6, TIM3_CH1, EXTIN6 and TIM1_BKIN alternate functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with SPI1_MOSI, TIM8_CH1N, ADC12_IN7, TIM3_CH2, EXTIN7 and TIM1_CH1N alternate functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with ADC12_IN14 analog input and EXTIN4 alternate function."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with ADC12_IN15 analog input and EXTIN5 alternate function."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "I/O PB0 with ADC12_IN8, TIM3_CH3, TIM8_CH2N, TIM1_CH2N and EXTIN0 alternate functions; footnote (3) applies to this pin."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with ADC12_IN9, TIM3_CH4, TIM8_CH3N, TIM1_CH3N and EXTIN1 alternate functions."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB2 that is sampled as BOOT1 at startup and has a weak internal pull-down (footnote 4); also EXTIN2."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10 with I2C2_SCL, USART3_TX, TIM2_CH3 and EXTIN10 alternate functions."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O PB11 with I2C2_SDA, USART3_RX, TIM2_CH4 and EXTIN11 alternate functions."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin; all VSS pins must be connected to the external ground supply."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for I/O and internal LDO, 2.0 V to 3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB12 with SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN and EXTIN12 alternate functions."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB13 with SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N and EXTIN13 alternate functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB14 with SPI2_MISO, TIM1_CH2N, USART3_RTS and EXTIN14 alternate functions."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB15 with SPI2_MOSI, I2S2_SD, TIM1_CH3N and EXTIN15 alternate functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC6 with I2S2_MCK, TIM8_CH1, SDIO_D6, TIM3_CH1 and EXTIN6 alternate functions."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC7 with I2S3_MCK, TIM8_CH2, SDIO_D7, TIM3_CH2 and EXTIN7 alternate functions; also usable as GPIO external clock input."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC8 with TIM8_CH3, SDIO_D0, TIM3_CH3 and EXTIN8 alternate functions."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PC9 with TIM8_CH4, SDIO_D1, TIM3_CH4 and EXTIN9 alternate functions."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA8 with USART1_CK, TIM1_CH1, RCC_MCO and EXTIN8 alternate functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA9 with USART1_TX, TIM1_CH2 and EXTIN9 alternate functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA10 with USART1_RX, TIM1_CH3 and EXTIN10 alternate functions."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA11 with USART1_CTS, USB_DM, CAN1_RX, TIM1_CH4 and EXTIN11 alternate functions."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA12 with USART1_RTS, USB_DP, CAN1_TX, TIM1_ETR and EXTIN12 alternate functions."
      },
      {
        "number": "46",
        "name": "PA13/JTMS-SWDIO",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA13 whose default function is the JTAG/SWD data pin JTMS-SWDIO."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin; all VSS pins must be connected to the external ground supply."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for I/O and internal LDO, 2.0 V to 3.6 V."
      },
      {
        "number": "49",
        "name": "PA14/JTCK-SWCLK",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA14 whose default function is the JTAG/SWD clock pin JTCK-SWCLK; also EXTIN14."
      },
      {
        "number": "50",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PA15 whose default function is the JTAG data input JTDI, with SPI3_NSS, I2S3_WS, TIM2_CH1_ETR and SPI1_NSS alternates."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "General-purpose I/O PC10 with UART4_TX, SDIO_D2, USART3_TX and EXTIN10 alternate functions."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "General-purpose I/O PC11 with UART4_RX, SDIO_D3, USART3_RX and EXTIN11 alternate functions."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "General-purpose I/O PC12 with UART5_TX, SDIO_CK, USART3_CK and EXTIN12 alternate functions."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O PD2 with TIM3_ETR, UART5_RX, SDIO_CMD and EXTIN2 alternate functions."
      },
      {
        "number": "55",
        "name": "PB3/JTDO",
        "type": "bidirectional",
        "description": "General-purpose I/O PB3 whose default function is the JTAG output JTDO, with TRACESWO, SPI3_SCK, I2S3_CK, TIM2_CH2, SPI1_SCK and EXTIN3 alternates."
      },
      {
        "number": "56",
        "name": "PB4/NJRST",
        "type": "bidirectional",
        "description": "General-purpose I/O PB4 whose default function is the JTAG reset NJTRST, with SPI3_MISO, TIM3_CH1, SPI1_MISO and EXTIN4 alternates."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 with I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI and EXTIN5 alternate functions."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O PB6 with I2C1_SCL, TIM4_CH1, USART1_TX and EXTIN6 alternate functions."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O PB7 with I2C1_SDA, FSMC_NADV, TIM4_CH2, USART1_RX and EXTIN7 alternate functions."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input sampled at startup, with an internal weak pull-down (footnote 4)."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General-purpose I/O PB8 with TIM4_CH3, SDIO_D4, I2C1_SCL, CAN1_RX and EXTIN8 alternate functions."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General-purpose I/O PB9 with TIM4_CH4, SDIO_D5, I2C1_SDA, CAN1_TX and EXTIN9 alternate functions."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin; all VSS pins must be connected to the external ground supply."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for I/O and internal LDO, 2.0 V to 3.6 V."
      }
    ],
    "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: the datasheet ordering table (section 8.2) lists HK32F103RET6 only in LQFP64, and sec; PA0/WKUP (pin 14) has level '(2)' in table 6-1, which footnote (2) defines as FT (5 V tolerant). Ver; PC13, PC14, PC15 and PB0 carry level footnote (3), which says the other IOs have Schmitt input selec"
        ],
        "pages_sent": 45,
        "cost_usd": 0.2383,
        "at": "2026-10-20T11:06:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756216851104055296",
        "pages": 50,
        "sha256": "a218fc6474e5baa4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hk32f103ret6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hk32f103ret6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f73810bb7900125cf0d60b1f438de9300b303a7243dd3e8e9e9f727d3162bf4d",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HK",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hk32f103ret6"
  ],
  "discovery_pitch": "HK32F103RET6 (HK) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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    "public": true
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}