CKS32F103C8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "cks32f103c8t6",
  "title": "CKS32F103C8T6",
  "brief": "CKS Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "cks32f103c8t6"
  ],
  "component": {
    "mpn": "CKS32F103C8T6",
    "manufacturer": "CKS",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3bd433b372f264e764f10d3ec1014e26.pdf",
    "parts": {
      "symbol": "cks32f103c8t6.kicad_sym",
      "footprint": "cks32f103c8t6.kicad_mod",
      "model_3d": "cks32f103c8t6-etched.glb",
      "model_3d_plain": "cks32f103c8t6.glb",
      "model_3d_step": "cks32f103c8t6-etched.step",
      "model_3d_step_plain": "cks32f103c8t6.step",
      "lbr": "cks32f103c8t6.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery input, 1.8-3.6 V. Powers RTC, LSE 32 kHz oscillator and backup registers when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13; alt: TAMPER input, RTC alarm/second output. Supplied by the backup power switch - output limited to 2 MHz / 30 pF load and cannot source current (e.g. LED)."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14; alt: LSE 32.768 kHz crystal input (OSC32_IN). Backup-domain pin with the same drive limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15; alt: LSE 32.768 kHz crystal output (OSC32_OUT). Backup-domain pin with the same drive limits as PC13."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "HSE main crystal oscillator input (default after reset). Can be remapped to GPIO PD0 by software."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "HSE main crystal oscillator output (default after reset). Can be remapped to GPIO PD1 by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional reset. Driven low by internal power-on/PVD reset sources; can also be pulled low externally to reset the MCU."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for ADC, PLL, RC oscillators and reset block. Must be tied to VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.0-3.6 V (≥2.4 V when ADC is used). Powers ADC, reset, RC oscillator and PLL analog sections."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0; alt: WKUP wake-up, USART2_CTS, ADC12_IN0, TIM2_CH1_ETR."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1; alt: USART2_RTS, ADC12_IN1, TIM2_CH2."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2; alt: USART2_TX, ADC12_IN2, TIM2_CH3."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3; alt: USART2_RX, ADC12_IN3, TIM2_CH4."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4; alt: SPI1_NSS, USART2_CK, ADC12_IN4."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5; alt: SPI1_SCK, ADC12_IN5."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6; alt: SPI1_MISO, ADC12_IN6, TIM3_CH1, TIM1_BKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7; alt: SPI1_MOSI, ADC12_IN7, TIM3_CH2, TIM1_CH1N."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0; alt: ADC12_IN8, TIM3_CH3, TIM1_CH2N."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1; alt: ADC12_IN9, TIM3_CH4, TIM1_CH3N."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "GPIO PB2, 5 V tolerant. Also samples BOOT1 at reset (with BOOT0) to select the boot memory (main flash / system memory / SRAM)."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10, 5 V tolerant; alt: I2C2_SCL, USART3_TX, TIM2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11, 5 V tolerant; alt: I2C2_SDA, USART3_RX, TIM2_CH4."
      },
      {
        "number": "23",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V. Powers internal regulator and I/O."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12, 5 V tolerant; alt: SPI2_NSS, I2C2_SMBA, USART3_CK, TIM1_BKIN."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13, 5 V tolerant; alt: SPI2_SCK, USART3_CTS, TIM1_CH1N."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14, 5 V tolerant; alt: SPI2_MISO, USART3_RTS, TIM1_CH2N."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15, 5 V tolerant; alt: SPI2_MOSI, TIM1_CH3N."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8, 5 V tolerant; alt: USART1_CK, TIM1_CH1, MCO (master clock output)."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9, 5 V tolerant; alt: USART1_TX, TIM1_CH2."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10, 5 V tolerant; alt: USART1_RX, TIM1_CH3."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11, 5 V tolerant; alt: USART1_CTS, USBDM, CAN_RX, TIM1_CH4."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12, 5 V tolerant; alt: USART1_RTS, USBDP, CAN_TX, TIM1_ETR."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "JTMS/SWDIO after reset (default). Can be reassigned as GPIO PA13 by disabling JTAG/SWD debug via AFIO."
      },
      {
        "number": "35",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "JTCK/SWCLK after reset (default). Can be reassigned as GPIO PA14 by disabling JTAG/SWD via AFIO."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "JTDI after reset (default). Can be released to GPIO PA15 (also TIM2_CH1_ETR, SPI1_NSS) by disabling JTAG via AFIO."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "JTDO after reset (default). Can be released to GPIO PB3 (also TRACESWO, TIM2_CH2, SPI1_SCK) by disabling JTAG via AFIO."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "JNTRST after reset (default). Can be released to GPIO PB4 (also TIM3_CH1, SPI1_MISO) by disabling JTAG via AFIO."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5 V tolerant); alt: I2C1_SMBA, TIM3_CH2, SPI1_MOSI."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6, 5 V tolerant; alt: I2C1_SCL, TIM4_CH1, USART1_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7, 5 V tolerant; alt: I2C1_SDA, TIM4_CH2, USART1_RX."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select strap, sampled at reset. Together with BOOT1 (PB2) selects between main flash, system memory (bootloader) and embedded SRAM."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8, 5 V tolerant; alt: I2C1_SCL (remap), TIM4_CH3, CAN_RX (remap)."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9, 5 V tolerant; alt: I2C1_SDA (remap), TIM4_CH4, CAN_TX (remap)."
      },
      {
        "number": "47",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3bd433b372f264e764f10d3ec1014e26.pdf",
        "pages": 64,
        "sha256": "221001e6207f4f99",
        "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": "cks32f103c8t6.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cks32f103c8t6-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": "2d00f13c11b10e204a9bbe297150a9192d6f3e190866212253e16a5d312a9a41",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "CKS",
      "Package": "LQFP-48(7x7)",
      "Category": "MCU",
      "Pins": "48"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cks32f103c8t6"
  ],
  "discovery_pitch": "CKS32F103C8T6 (CKS) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cks32f103c8t6.kicad_sym",
    "cks32f103c8t6.kicad_mod",
    "cks32f103c8t6.glb",
    "cks32f103c8t6.step",
    "cks32f103c8t6-etched.step",
    "cks32f103c8t6.lbr",
    "docs/hero.png",
    "docs/cks32f103c8t6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CKS32F103C8T6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6CBT6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6C8U6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6CBU6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6R8T6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6RBT6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6V8T6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6VBT6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6T8U6",
      "kind": "packaging"
    },
    {
      "mpn": "CKS32F103C8T6TBU6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T19:13:38.635Z"
}