CS32F103VBT7

{
  "slug": "cs32f103vbt7",
  "version": "0.1.0",
  "type": "component",
  "description": "CHIPSEA Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "cs32f103vbt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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    "cs32f103vbt7.step",
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  "component": {
    "mpn": "CS32F103VBT7",
    "manufacturer": "CHIPSEA",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e742699585dcdfe6f74b388e5a941bd5.pdf",
    "parts": {
      "symbol": "cs32f103vbt7.kicad_sym",
      "footprint": "cs32f103vbt7.kicad_mod",
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      "model_3d_step_plain": "cs32f103vbt7.step",
      "lbr": "cs32f103vbt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5361147"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T21:10:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 800 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default function PE2, alternate TRACECK."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default function PE3, alternate TRACED0."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default function PE4, alternate TRACED1."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default function PE5, alternate TRACED2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default function PE6, alternate TRACED3."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin for I/O and internal regulator, 2.0 to 3.6 V."
      },
      {
        "number": "7",
        "name": "PC13/TAMPER_RTC",
        "type": "bidirectional",
        "description": "I/O powered via a switch limited to 3 mA; as output only one of PC13-15 at a time, 2 MHz max, 30 pF max load, no LED drive; alternate TAMPER-RTC."
      },
      {
        "number": "8",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "I/O with 3 mA supply-switch output limits (2 MHz, 30 pF); alternate OSC32_IN for the 32.768 kHz crystal."
      },
      {
        "number": "9",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "I/O with 3 mA supply-switch output limits (2 MHz, 30 pF); alternate OSC32_OUT for the 32.768 kHz crystal."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "Input of the 4-16 MHz HXT oscillator; default OSC_IN, also listed with PD0 as special function."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "Output of the 4-16 MHz HXT oscillator; default OSC_OUT, also listed with PD1 as special function."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset with permanent pull-up of about 80 kOhm; VIL max 0.8 V, VIH min 2 V."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "I/O, default PC0, alternate ADC12_IN10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "I/O, default PC1, alternate ADC12_IN11."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "I/O, default PC2, alternate ADC12_IN12."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "I/O, default PC3, alternate ADC12_IN13."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC, reset block, RC oscillators and PLL; must be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC negative reference voltage input (0 V, VSSA)."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC positive reference voltage input, 2.4 V to VDDA."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0 to 3.6 V (min 2.4 V when ADC is used); must be connected to VDD."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "I/O, default PA0; alternate WKUP, USART2_CTS, ADC12_IN0, TIM2_CH1_ETR; rising edge wakes from power-down."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "I/O, default PA1; alternate USART2_RTS, ADC12_IN1, TIM2_CH2."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "I/O, default PA2; alternate USART2_TX, ADC12_IN2, TIM2_CH3."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "I/O, default PA3; alternate USART2_RX, ADC12_IN3, TIM2_CH4."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "I/O, default PA4; alternate SPI1_NSS, USART2_CK, ADC12_IN4."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "I/O, default PA5; alternate SPI1_SCK, ADC12_IN5."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "I/O, default PA6; alternate SPI1_MISO, ADC12_IN6, TIM3_CH1, TIM1_BKIN."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "I/O, default PA7; alternate SPI1_MOSI, ADC12_IN7, TIM3_CH2, TIM1_CHIN."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "I/O, default PC4, alternate ADC12_IN14."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "I/O, default PC5, alternate ADC12_IN15."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "I/O, default PB0; alternate ADC12_IN8, TIM3_CH3, TIM1_CH2N."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "I/O, default PB1; alternate ADC12_IN9, TIM3_CH4, TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB2 / BOOT1 boot-mode select."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE7, alternate TIM1_ETR."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE8, alternate TIM1_CH1N."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE9, alternate TIM1_CH1."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE10, alternate TIM1_CH2N."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE11, alternate TIM1_CH2."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE12, alternate TIM1_CH3N."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE13, alternate TIM1_CH3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE14, alternate TIM1_CH4."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE15, alternate TIM1_BKIN."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB10; alternate I2C2_SCL, USART3_TX, TIM2_CH3."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB11; alternate I2C2_SDA, USART3_RX, TIM2_CH4."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB12; alternate SPI2_NSS, I2C2_SMBA, USART3_CK, TIM1_BKIN."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB13; alternate SPI2_SCK, USART3_CTS, TIM1_CH1N."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB14; alternate SPI2_MISO, USART3_RTS, TIM1_CH2N."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB15; alternate SPI2_MOSI, TIM1_CH3N."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD8, remap USART3_TX."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD9, remap USART3_RX."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD10, remap USART3_CK."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD11, remap USART3_CTS."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD12, remap TIM4_CH1/USART3_RTS."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD13, remap TIM4_CH2."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD14, remap TIM4_CH3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD15, remap TIM4_CH4."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC6, remap TIM3_CH1."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC7, remap TIM3_CH2."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC8, remap TIM3_CH3."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC9, remap TIM3_CH4."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PA8; alternate USART1_CK, TIM1_CH1, MCO."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PA9; alternate USART1_TX, TIM1_CH2."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PA10; alternate USART1_RX, TIM1_CH3."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PA11; alternate USART1_CTS, USBDM, CANRX, TIM1_CH4."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PA12; alternate USART1_RTS, USBDP, CANTX, TIM1_ETR."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, reset function JTMS/SWDIO."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0 to 3.6 V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, reset function JTCK/SWCLK."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, reset function JTDI; remap TIM2_CH1_ETR, SPI1_NSS; SWJ must be disabled to use as GPIO."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC10, remap USART3_TX."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC11, remap USART3_RX."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PC12, remap USART3_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O PD0, remap CANRX; on LQFP100 PD0/PD1 are fixed-function so no remap needed (50 MHz output only)."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O PD1, remap CANTX; on LQFP100 PD0/PD1 are fixed-function (50 MHz output only)."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD2, alternate TIM3_ETR."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD3, remap USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD4, remap USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD5, remap USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD6, remap USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PD7, remap USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, reset function JTDO; alternate TRACESWO, TIM2_CH2, SPI1_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, reset function NJTRST; alternate TIM3_CH1, SPI1_MISO."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "I/O, default PB5; alternate I2C1_SMBA, TIM3_CH2, SPI1_MOSI."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB6; alternate I2C1_SCL, TIM4_CH1, USART1_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB7; alternate I2C1_SDA, TIM4_CH2, USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input, accepts 0 to 5.5 V."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB8; alternate TIM4_CH3, remap I2C1_SCL/CANRX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PB9; alternate TIM4_CH4, remap I2C1_SDA/CANTX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE0, alternate TIM4_ETR."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5V-tolerant (FT) I/O, default PE1, no alternate function listed."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 2 prints the LQFP100 column without a clear header (QFN48/LQFP48 numbers appear merged); I too; The table prints pin 96 as 'P89'. I read it as the typo PB9, because its alternate functions TIM4_CH; Pins 12/13 (OSC_IN/OSC_OUT) and 81/82 (PD0/PD1) are described inconsistently. The table lists PD0/PD",
          "1/100 pins cited to the wrong page (name found elsewhere): ['96:PB9@p13']"
        ],
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