CKS32F103RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "cks32f103rct6",
  "title": "CKS32F103RCT6",
  "brief": "CKS Microcontroller Units (MCUs/MPUs/SOCs), 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",
    "single chip microcomputer-microcontroller",
    "cks32f103rct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CKS32F103RCT6",
    "manufacturer": "CKS",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/26cbd78dfa11fc26e9ece4deea73e4a6.pdf",
    "parts": {
      "symbol": "cks32f103rct6.kicad_sym",
      "footprint": "cks32f103rct6.kicad_mod",
      "model_3d": "cks32f103rct6-hero.glb",
      "model_3d_plain": "cks32f103rct6-etched.glb",
      "model_3d_step": "cks32f103rct6-etched.step",
      "model_3d_step_plain": "cks32f103rct6.step",
      "lbr": "cks32f103rct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5185727"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T15:12:30Z",
      "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 power supply, 1.8-3.6 V, that feeds the RTC, the external 32 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 (TAMPER-RTC); it is powered through a power switch that sinks only 3 mA, so as an output it is limited to 2 MHz mode, 30 pF maximum load, and no current-source use such as driving an LED."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "General-purpose I/O PC14 (OSC32_IN); it shares the same power-switch limits as PC13 (3 mA, 2 MHz, 30 pF, no current source) when used as an output."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "General-purpose I/O PC15 (OSC32_OUT); it shares the same power-switch limits as PC13 (3 mA, 2 MHz, 30 pF, no current source) when used as an output."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "External 4-16 MHz crystal/resonator oscillator input; on LQFP48/64 this pin defaults to OSC_IN after reset and can be reconfigured in software as PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "External 4-16 MHz crystal/resonator oscillator output; on LQFP48/64 this pin defaults to OSC_OUT after reset and can be reconfigured in software as PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with an internal pull-up (RPU about 30-50 kΩ); the input low level must stay at or below 0.8 V for the MCU to reset."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with ADC123_IN10 analog input."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with ADC123_IN11 analog input."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with ADC123_IN12 analog input."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with ADC123_IN13 analog input."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC, DAC, reset block, RC oscillators and PLL; must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.0-3.6 V without ADC/DAC and at least 2.4 V when ADC or DAC is used; must be connected to VDD."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 with WKUP wake-up input, USART2_CTS, ADC123_IN0, TIM2_CH1_ETR, TIM5_CH1 and TIM8_ETR functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 with USART2_RTS, ADC123_IN1, TIM5_CH2 and TIM2_CH2 functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 with USART2_TX, TIM9_CH1, TIM5_CH3, ADC123_IN2 and TIM2_CH3 functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with USART2_RX, TIM9_CH2, TIM5_CH4, ADC123_IN3 and TIM2_CH4 functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital power supply for I/O pins and internal regulator, 2.0-3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with SPI1_NSS, USART2_CK, DAC_OUT1 and ADC12_IN4 functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with SPI1_SCK, DAC_OUT2 and ADC12_IN5 functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 with SPI1_MISO, TIM8_BKIN, ADC12_IN6, TIM13_CH1, TIM1_BKIN and TIM3_CH1 functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with SPI1_MOSI, TIM8_CH1N, ADC12_IN7, TIM14_CH1, TIM1_CHIN and TIM3_CH2 functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with ADC12_IN14 analog input."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with ADC12_IN15 analog input."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with ADC12_IN8, TIM3_CH3, TIM8_CH2N and TIM1_CH2N functions."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with ADC12_IN9, TIM3_CH4, TIM8_CH3N and TIM1_CH3N functions."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB2, also used as the BOOT1 boot-mode selection pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB10 with I2C2_SCL, USART3_TX and TIM2_CH3 functions."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB11 with I2C2_SDA, USART3_RX and TIM2_CH4 functions."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital power supply for I/O pins and internal regulator, 2.0-3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB12 with SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK and TIM1_BKIN functions."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB13 with SPI2_SCK, I2S2_CK, USART3_CTS and TIM1_CH1N functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB14 with SPI2_MISO, USART3_RTS, TIM12_CH1 and TIM1_CH2N functions."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB15 with SPI2_MOSI, I2S2_SD, TIM12_CH2 and TIM1_CH3N functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC6 with I2S2_MCK, TIM3_CH1, TIM8_CH1, USART6_TX and SDIO_D6 functions."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC7 with I2S3_MCK, TIM8_CH2, USART6_RX, SDIO_D7 and TIM3_CH2 functions."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC8 with TIM8_CH3, USART6_CK, SDIO_D0 and TIM3_CH3 functions."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC9 with TIM8_CH4, SDIO_D1 and TIM3_CH4 functions."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA8 with USART1_CK, TIM1_CH1 and MCO functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA9 with USART1_TX and TIM1_CH2 functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA10 with USART1_RX and TIM1_CH3 functions."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA11 with USART1_CTS, CAN_RX, USBDM and TIM1_CH4 functions."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA12 with USART1_RTS, USBDP, CAN_TX and TIM1_ETR functions."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA13, which is the JTMS/SWDIO debug pin in its default function after reset."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital power supply for I/O pins and internal regulator, 2.0-3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA14, which is the JTCK/SWCLK debug pin in its default function after reset."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PA15, which is the JTDI debug pin in its default function and can be remapped to SPI1_NSS, SPI3_NSS/I2S3_WS or TIM2_CH1_ETR."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC10 with USART4_TX, SDIO_D2 and USART3_TX functions."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC11 with USART4_RX, SDIO_D3 and USART3_RX functions."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PC12 with USART5_TX, SDIO_CK and USART3_CK functions."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PD2 with TIM3_ETR, USART5_RX and SDIO_CMD functions."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB3, which is the JTDO/TRACESWO debug pin in its default function and can also serve SPI3_SCK/I2S3_CK, TIM2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB4, which is the NJTRST debug pin in its default function and can also serve SPI3_MISO, TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 with I2C1_SMBA, SPI3_MOSI/I2S3_SD, TIM3_CH2 and SPI1_MOSI functions."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB6 with I2C1_SCL, USART1_TX and TIM4_CH1 functions."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB7 with I2C1_SDA, FSMC_NADV, TIM4_CH2 and USART1_RX functions."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input sampled at startup together with BOOT1 to choose the boot source (main Flash, system memory or internal SRAM)."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB8 with TIM4_CH3, TIM10_CH1, SDIO_D4, I2C1_SCL and CAN_RX functions."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant (FT) general-purpose I/O PB9 with TIM4_CH4, TIM11_CH1, SDIO_D5, I2C1_SDA and CAN_TX functions."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital power supply for I/O pins and internal regulator, 2.0-3.6 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: Pins 5 and 6 are listed in the LQFP64 column as OSC_IN/OSC_OUT and also as PD0/PD1 (remap). They are; The LQFP64 pin drawing (Figure 5, page 16 of the datasheet numbering) is not in the extracted text. ; The LQFP64 package has no separate VREF+ or VREF- pins; the datasheet says VREF+ and VREF- are inter"
        ],
        "pages_sent": 71,
        "cost_usd": 0.3271,
        "at": "2026-11-05T15:12:16"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/26cbd78dfa11fc26e9ece4deea73e4a6.pdf",
        "pages": 98,
        "sha256": "3b7626fd9350b985",
        "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": "cks32f103rct6.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cks32f103rct6-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": "e6933993a3c8b0819c0bc43034635c5cc1222bd1d0b95c8a755149a539437ace",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CKS",
      "Package": "LQFP-64(10x10)",
      "Category": "Single Chip Microcomputer/Microcontroller",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3b7626fd9350b9855e17f2f9fe2d5e4d1c7ab72d7b2dbdc0044af22c01410b0c",
      "rows": [
        {
          "name": "SD/MMC clock frequency in data transfer mode",
          "symbol": "fPP",
          "kind": "timing",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "CL ≤ 30pF",
          "source_page": 82,
          "source": "datasheet"
        },
        {
          "name": "USB transceiver startup time",
          "symbol": "tSTARTUP",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "USB operating voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Differential common-mode range",
          "symbol": "VCM",
          "kind": "electrical",
          "unit": "V",
          "min": 0.8,
          "typ": null,
          "max": 2.5,
          "conditions": "包含 VDI范围",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Single-ended receiver threshold",
          "symbol": "VSE",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Static output low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "1.5kΩ的 RL接至 3.6V",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "Static output high level",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.8,
          "typ": null,
          "max": 3.6,
          "conditions": "15kΩ的 RL接至 VSS",
          "source_page": 83,
          "source": "datasheet"
        },
        {
          "name": "USB full-speed rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "ns",
          "min": 4,
          "typ": null,
          "max": 20,
          "conditions": "CL ≤ 50pF",
          "source_page": 84,
          "source": "datasheet"
        },
        {
          "name": "USB full-speed fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "ns",
          "min": 4,
          "typ": null,
          "max": 20,
          "conditions": "CL ≤ 50pF",
          "source_page": 84,
          "source": "datasheet"
        },
        {
          "name": "Rise/fall time matching tr/tf",
          "symbol": "trfm",
          "kind": "timing",
          "unit": "%",
          "min": 90,
          "typ": null,
          "max": 110,
          "conditions": "",
          "source_page": 84,
          "source": "datasheet"
        },
        {
          "name": "Output signal crossover voltage",
          "symbol": "VCRS",
          "kind": "electrical",
          "unit": "V",
          "min": 1.3,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 84,
          "source": "datasheet"
        },
        {
          "name": "ADC supply voltage",
          "symbol": "VDDA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 84,
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