CKS32F103VBT6

{
  "slug": "cks32f103vbt6",
  "version": "0.1.0",
  "type": "component",
  "description": "CKS Other Processors and Microcontrollers (MCUs), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "cks32f103vbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
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  "component": {
    "mpn": "CKS32F103VBT6",
    "manufacturer": "CKS",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Other Processors and Microcontrollers (MCUs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3bd433b372f264e764f10d3ec1014e26.pdf",
    "parts": {
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      "lbr": "cks32f103vbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C556580"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T02:34:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "I/O port PE2 (5 V tolerant, FT) with alternate function TRACECK."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "I/O port PE3 (5 V tolerant, FT) with alternate function TRACED0."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "I/O port PE4 (5 V tolerant, FT) with alternate function TRACED1."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "I/O port PE5 (5 V tolerant, FT) with alternate function TRACED2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "I/O port PE6 (5 V tolerant, FT) with alternate function TRACED3."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply of 1.8 to 3.6 V that powers the RTC, the 32 kHz oscillator and backup registers when VDD is switched off."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "I/O port PC13 with TAMPER-RTC function, supplied through a power switch that can sink only 3 mA, so as an output it is limited to 2 MHz mode, 30 pF maximum load and no current sourcing such as LED drive."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "I/O port PC14 with OSC32_IN function, supplied through the same 3 mA power switch as PC13, so as an output it is limited to 2 MHz mode, 30 pF maximum load and no current sourcing."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "I/O port PC15 with OSC32_OUT function, supplied through the same 3 mA power switch as PC13, so as an output it is limited to 2 MHz mode, 30 pF maximum load and no current sourcing."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Digital ground pin; all VDD and VSS pins must always be connected to the supply within the allowed range."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin for I/O and the internal regulator, specified at 2.0 to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for a 4 to 16 MHz crystal or resonator; the datasheet also specifies an external user clock of 7.95 to 8.05 MHz (8 MHz nominal) on this pin."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output that drives the 4 to 16 MHz crystal or resonator connected between OSC_IN and OSC_OUT."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with an internal pull-up of 30 to 50 kΩ; input low level must be 0.8 V maximum and pulses shorter than 100 ns are filtered."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Standard I/O port PC0 (not 5 V tolerant) with ADC12_IN10 analog input."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Standard I/O port PC1 (not 5 V tolerant) with ADC12_IN11 analog input."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Standard I/O port PC2 (not 5 V tolerant) with ADC12_IN12 analog input."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard I/O port PC3 (not 5 V tolerant) with ADC12_IN13 analog input."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, reset block, RC oscillators and PLL, to be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC negative reference voltage input, an external pin on LQFP100 (internally tied to VSSA on QFN36, LQFP48 and LQFP64)."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC positive reference voltage input, specified from 2.4 V up to VDDA (internally tied to VDDA on QFN36, LQFP48 and LQFP64)."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, reset block, RC oscillators and PLL, specified at 2.0 to 3.6 V, with a minimum of 2.4 V when the ADC is used, and it must be connected to VDD."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard I/O port PA0 with WKUP wake-up function, USART2_CTS, ADC12_IN0 and TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Standard I/O port PA1 with USART2_RTS, ADC12_IN1 and TIM2_CH2 alternate functions."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard I/O port PA2 with USART2_TX, ADC12_IN2 and TIM2_CH3 alternate functions."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard I/O port PA3 with USART2_RX, ADC12_IN3 and TIM2_CH4 alternate functions."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin; all VDD and VSS pins must always be connected to the supply within the allowed range."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin for I/O and the internal regulator, specified at 2.0 to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard I/O port PA4 with SPI1_NSS, USART2_CK and ADC12_IN4 alternate functions."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard I/O port PA5 with SPI1_SCK and ADC12_IN5 alternate functions."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Standard I/O port PA6 with SPI1_MISO, ADC12_IN6, TIM3_CH1 and TIM1_BKIN alternate functions."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Standard I/O port PA7 with SPI1_MOSI, ADC12_IN7, TIM3_CH2 and TIMI_CHIN alternate functions (name as printed in the datasheet)."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Standard I/O port PC4 (not 5 V tolerant) with ADC12_IN14 analog input."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Standard I/O port PC5 (not 5 V tolerant) with ADC12_IN15 analog input."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard I/O port PB0 with ADC12_IN8, TIM3_CH3 and TIM1_CH2N alternate functions."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Standard I/O port PB1 with ADC12_IN9, TIM3_CH4 and TIM1_CH3N alternate functions."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB2 (FT) that is shared with the BOOT1 boot-mode function."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE7 (FT) with alternate function TIM1_ETR."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE8 (FT) with alternate function TIM1_CH1N."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE9 (FT) with alternate function TIM1_CH1."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE10 (FT) with alternate function TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE11 (FT) with alternate function TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE12 (FT) with alternate function TIM1_CH3N."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE13 (FT) with alternate function TIM1_CH3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE14 (FT) with alternate function TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE15 (FT) with alternate function TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB10 (FT) with I2C2_SCL, USART3_TX and TIM2_CH3 alternate functions."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB11 (FT) with I2C2_SDA, USART3_RX and TIM2_CH4 alternate functions."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin; all VDD and VSS pins must always be connected to the supply within the allowed range."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin for I/O and the internal regulator, specified at 2.0 to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB12 (FT) with SPI2_NSS, I2C2_SMBAI, USART3_CK and TIM1_BKIN alternate functions."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB13 (FT) with SPI2_SCK, USART3_CTS and TIM1_CH1N alternate functions."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB14 (FT) with SPI2_MISO, USART3_RTS and TIM1_CH2N alternate functions."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB15 (FT) with SPI2_MOSI and TIM1_CH3N alternate functions."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD8 (FT) with alternate function USART3_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD9 (FT) with alternate function USART3_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD10 (FT) with alternate function USART3_CK."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD11 (FT) with alternate function USART3_CTS."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD12 (FT) with TIM4_CH1 and USART3_RTS alternate functions."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD13 (FT) with alternate function TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD14 (FT) with alternate function TIM4_CH3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD15 (FT) with alternate function TIM4_CH4."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC6 (FT) with alternate function TIM3_CH1."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC7 (FT) with alternate function TIM3_CH2."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC8 (FT) with alternate function TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC9 (FT) with alternate function TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA8 (FT) with USART1_CK, TIM1_CH1 and MCO alternate functions."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA9 (FT) with USART1_TX and TIM1_CH2 alternate functions."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA10 (FT) with USART1_RX and TIM1_CH3 alternate functions."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA11 (FT) with USART1_CTS, USBDM, CANRX and TIM1_CH4 alternate functions."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA12 (FT) with USART1_RTS, USBDP, CANTX and TIM1_ETR alternate functions."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA13 (FT) whose main function is JTMS/SWDIO serial-wire debug."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Pin marked 未连接 (not connected) in the LQFP100 pin table."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin; all VDD and VSS pins must always be connected to the supply within the allowed range."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin for I/O and the internal regulator, specified at 2.0 to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA14 (FT) whose main function is JTCK/SWCLK serial-wire debug clock."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PA15 (FT) whose main function is JTDI, with TIM2_CH1_ETR alternate function and PA15/SPI1_NSS remap."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC10 (FT) with alternate function USART3_TX."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC11 (FT) with alternate function USART3_RX."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PC12 (FT) with alternate function USART3_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD0 (FT), inherent on LQFP100 with CANRX alternate function; the table also lists OSC_IN for this pin row."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD1 (FT) with CANTX alternate function; in output mode it can only be configured to 50 MHz."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD2 (FT) with alternate function TIM3_ETR."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD3 (FT) with alternate function USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD4 (FT) with alternate function USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD5 (FT) with alternate function USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD6 (FT) with alternate function USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PD7 (FT) with alternate function USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB3 (FT) whose main function is JTDO, with TRACESWO, TIM2_CH2 and SPI1_SCK alternate functions."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB4 (FT) whose main function is JNTRST, with TIM3_CH1 and SPI1_MISO alternate functions."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Standard I/O port PB5 (not 5 V tolerant) with I2C1_SMBAI, TIM3_CH2 and SPI1_MOSI alternate functions."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB6 (FT) with I2C1_SCL, TIM4_CH1 and USART1_TX alternate functions."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB7 (FT) with I2C1_SDA, TIM4_CH2 and USART1_RX alternate functions."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input, specified from 0 to 5.5 V."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB8 (FT) with TIM4_CH3, I2C1_SCL and CANRX alternate functions."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PB9 (FT) with TIM4_CH4, I2C1_SDA and CANTX alternate functions."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE0 (FT) with alternate function TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5 V tolerant I/O port PE1 (FT) with no alternate function listed in the pin table."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin; all VDD and VSS pins must always be connected to the supply within the allowed range."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin for I/O and the internal regulator, specified at 2.0 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: Figure 3 (LQFP100 pin layout, page 16) is an image with no extractable text, so all 100 pins were ta; Pin 96 is printed as 'P89' in the table; it was read as PB9 because it is the only sensible port nam; Pin 12 type field is printed as 'OCS_IN' (typo); it was read as OSC_IN. Pin 81 (PD0) and pin 82 (PD1",
          "1/100 pin names appear NOWHERE in the datasheet text: ['96:PB9@p23']"
        ],
        "pages_sent": 59,
        "cost_usd": 0.2908,
        "at": "2026-10-24T02:34:26"
      },
      "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": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cks32f103vbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cks32f103vbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "acddafcb1a6dfa37692ea8be7c9db7338cafdaf0bfaf9c0ee6af7645081d1a13",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}