CS32F103CBT7

{
  "slug": "cs32f103cbt7",
  "version": "0.1.0",
  "type": "component",
  "description": "CHIPSEA New Arrivals, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "others",
    "cs32f103cbt7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs32f103cbt7.kicad_sym",
    "cs32f103cbt7.kicad_mod",
    "cs32f103cbt7.glb",
    "cs32f103cbt7.step",
    "cs32f103cbt7.lbr",
    "docs/hero.png",
    "docs/cs32f103cbt7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs32f103cbt7-hero.glb",
    "cs32f103cbt7-hero.overlay.json",
    "cs32f103cbt7-etched.glb"
  ],
  "component": {
    "mpn": "CS32F103CBT7",
    "manufacturer": "CHIPSEA",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Others",
    "subcategory": "New Arrivals",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903623004344320",
    "parts": {
      "symbol": "cs32f103cbt7.kicad_sym",
      "footprint": "cs32f103cbt7.kicad_mod",
      "model_3d": "cs32f103cbt7-hero.glb",
      "model_3d_plain": "cs32f103cbt7-etched.glb",
      "model_3d_step": "cs32f103cbt7-etched.step",
      "model_3d_step_plain": "cs32f103cbt7.step",
      "lbr": "cs32f103cbt7.lbr"
    },
    "distributor_links": {
      "lcsc": "C5361146"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:25:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for the I/O pins and internal voltage regulator, specified at 2.0 V to 3.6 V."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO PC13 with TAMPER-RTC function; it is powered through a power switch that sinks only 3 mA, so only one of PC13 to PC15 may be an output at a time, limited to 2 MHz with a 30 pF load, and it cannot be used as a current source such as an LED driver."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO PC14 that doubles as OSC32_IN for the 32.768 kHz low-speed oscillator, with the same 3 mA power-switch and output limits as PC13 to PC15."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO PC15 that doubles as OSC32_OUT for the 32.768 kHz low-speed oscillator, with the same 3 mA power-switch and output limits as PC13 to PC15."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for a 4 to 16 MHz crystal or resonator; after reset this pin is OSC_IN and software can reconfigure it as PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output for a 4 to 16 MHz crystal or resonator; after reset this pin is OSC_OUT and software can reconfigure it as PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Active-low reset input with an internal pull-up of about 80 kΩ; the datasheet gives VIL max 0.8 V and VIH min 2 V."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, reset block, RC oscillators and PLL, which must be connected to VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC, reset block, RC oscillators and PLL, specified at 2.0 V to 3.6 V and at least 2.4 V when the ADC is used, and must be connected to VDD."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0 with WKUP wake-up function and alternates ADC12_IN0, USART2_CTS and TIM2_CH1_ETR (TIM2_TI1 or TIM2_ETR); it is not marked as 5 V tolerant."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with alternates USART2_RTS, ADC12_IN1 and TIM2_CH2; it is not marked as 5 V tolerant."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with alternates USART2_TX, ADC12_IN2 and TIM2_CH3; it is not marked as 5 V tolerant."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with alternates USART2_RX, ADC12_IN3 and TIM2_CH4; it is not marked as 5 V tolerant."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with alternates SPI1_NSS, USART2_CK and ADC12_IN4; it is not marked as 5 V tolerant."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with alternates SPI1_SCK and ADC12_IN5; it is not marked as 5 V tolerant."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with alternates SPI1_MISO, ADC12_IN6, TIM3_CH1 and TIM1_BKIN; it is not marked as 5 V tolerant."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with alternates SPI1_MOSI, ADC12_IN7, TIM3_CH2 and TIM1_CHIN; it is not marked as 5 V tolerant."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with alternates ADC12_IN8, TIM3_CH3 and TIM1_CH2N; it is not marked as 5 V tolerant."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with alternates ADC12_IN9, TIM3_CH4 and TIM1_CH3N; it is not marked as 5 V tolerant."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB2 that also serves as the BOOT1 boot-mode pin."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB10 with alternates I2C2_SCL, USART3_TX and TIM2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB11 with alternates I2C2_SDA, USART3_RX and TIM2_CH4."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all VSS pins must be connected to the external supply within the permitted range, and the difference between ground pins must not exceed 50 mV."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for the I/O pins and internal voltage regulator, specified at 2.0 V to 3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB12 with alternates SPI2_NSS, I2C2_SMBA, USART3_CK and TIM1_BKIN."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB13 with alternates SPI2_SCK, USART3_CTS and TIM1_CH1N."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB14 with alternates SPI2_MISO, USART3_RTS and TIM1_CH2N."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB15 with alternates SPI2_MOSI and TIM1_CH3N."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA8 with alternates USART1_CK, TIM1_CH1 and MCO."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA9 with alternates USART1_TX and TIM1_CH2."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA10 with alternates USART1_RX and TIM1_CH3."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA11 with alternates USART1_CTS, USBDM, CANRX and TIM1_CH4."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA12 with alternates USART1_RTS, USBDP, CANTX and TIM1_ETR."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant pin with JTMS/SWDIO serial-wire debug function (SWJ-DP), usable as GPIO PA13 when SWJ is not used."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all VSS pins must be connected to the external supply within the permitted range, and the difference between ground pins must not exceed 50 mV."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for the I/O pins and internal voltage regulator, specified at 2.0 V to 3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant pin with JTCK/SWCLK serial-wire debug function, usable as GPIO PA14 when SWJ is not used."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant pin that defaults to the JTDI JTAG function with alternates TIM2_CH1_ETR and SPI1_NSS; SWJ must be disabled before it can be used as a normal GPIO."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant pin with JTDO/TRACESWO function and alternates TIM2_CH2 and SPI1_SCK, usable as GPIO PB3 when not used for debug."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant pin with NJTRST function and alternates TIM3_CH1 and SPI1_MISO, usable as GPIO PB4 when not used for debug."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 with alternates I2C1_SMBA, TIM3_CH2 and SPI1_MOSI; it is not marked as 5 V tolerant."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB6 with alternates I2C1_SCL, TIM4_CH1 and USART1_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB7 with alternates I2C1_SDA, TIM4_CH2 and USART1_RX."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection pin, specified from 0 to 5.5 V and used with BOOT1 to select boot from main Flash, system memory or internal SRAM at startup."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB8 with alternates TIM4_CH3, I2C1_SCL and CANRX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB9 with alternates TIM4_CH4, I2C1_SDA and CANTX."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all VSS pins must be connected to the external supply within the permitted range, and the difference between ground pins must not exceed 50 mV."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for the I/O pins and internal voltage regulator, specified at 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: The datasheet's LQFP48 pin-assignment figure (Figure 4, page 9) is image-only, so this pinout was re; Table 2 lists NRST as type I/O; it is recorded here as input because Section 4.3.11 describes it as ; Footnote 6 says the default OSC functions on pins 5 and 6 can be reassigned to PD0 and PD1 by softwa"
        ],
        "pages_sent": 56,
        "cost_usd": 0.2688,
        "at": "2026-10-20T18:23:07"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903623004344320",
        "pages": 66,
        "sha256": "c63c9196e83fb8cd",
        "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": "cs32f103cbt7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs32f103cbt7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "78f599f476d3382a85030932ef732de4736de01a399961bfc7ad063c9ac96c8e",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}