CS32F103CBW6

{
  "slug": "cs32f103cbw6",
  "version": "0.1.0",
  "type": "component",
  "description": "CHIPSEA Microcontrollers (MCU/MPU/SOC), QFN-48(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "cs32f103cbw6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cs32f103cbw6.kicad_sym",
    "cs32f103cbw6.kicad_mod",
    "cs32f103cbw6.glb",
    "cs32f103cbw6.step",
    "cs32f103cbw6.lbr",
    "docs/hero.png",
    "docs/cs32f103cbw6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cs32f103cbw6-hero.glb",
    "cs32f103cbw6-hero.overlay.json",
    "cs32f103cbw6-etched.glb"
  ],
  "component": {
    "mpn": "CS32F103CBW6",
    "manufacturer": "CHIPSEA",
    "package": "QFN-48(5x5)",
    "pin_count": 49,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e28de9700f11ba0ff4dfa7445e1e7838.pdf",
    "parts": {
      "symbol": "cs32f103cbw6.kicad_sym",
      "footprint": "cs32f103cbw6.kicad_mod",
      "model_3d": "cs32f103cbw6-hero.glb",
      "model_3d_plain": "cs32f103cbw6-etched.glb",
      "model_3d_step": "cs32f103cbw6-etched.step",
      "model_3d_step_plain": "cs32f103cbw6.step",
      "lbr": "cs32f103cbw6.lbr"
    },
    "distributor_links": {
      "lcsc": "C22451452"
    },
    "distributor_check": {
      "checked_at": "2026-11-08T00:28:09Z",
      "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": "Digital supply pin for I/O and the internal regulator, 2.0-3.6 V."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 with TAMPER-RTC function, powered through a switch that sinks only 3 mA, so as an output it is limited to 2 MHz, 30 pF and cannot source current."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 or 32.768 kHz oscillator input OSC32_IN, with the same 3 mA switch-powered output limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 or 32.768 kHz oscillator output OSC32_OUT, with the same 3 mA switch-powered output limits as PC13."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "4-16 MHz crystal oscillator input after reset; software can reconfigure it as PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "4-16 MHz crystal oscillator output after reset; software can reconfigure it as PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low device reset with internal weak pull-up (about 80 kΩ); input low level max 0.8 V."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for ADC, reset block, RC oscillators and PLL; must be connected to VSS."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0-3.6 V (not below 2.4 V when ADC is used); must be connected to VDD."
      },
      {
        "number": "10",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0 with WKUP, USART2_CTS, ADC12_IN0 and TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with USART2_RTS, ADC12_IN1 and TIM2_CH2 alternate functions."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with USART2_TX, ADC12_IN2 and TIM2_CH3 alternate functions."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with USART2_RX, ADC12_IN3 and TIM2_CH4 alternate functions."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with SPI1_NSS, USART2_CK and ADC12_IN4 alternate functions."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with SPI1_SCK and ADC12_IN5 alternate functions."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with SPI1_MISO, ADC12_IN6, TIM3_CH1 and remap TIM1_BKIN."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with SPI1_MOSI, ADC12_IN7, TIM3_CH2 and remap TIM1_CHIN."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with ADC12_IN8, TIM3_CH3 and remap TIM1_CH2N."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with ADC12_IN9, TIM3_CH4 and remap TIM1_CH3N."
      },
      {
        "number": "20",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB2, also serves as BOOT1 boot mode select."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB10 with I2C2_SCL, USART3_TX and remap TIM2_CH3."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB11 with I2C2_SDA, USART3_RX and remap TIM2_CH4."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0-3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB12 with SPI2_NSS, I2C2_SMBA, USART3_CK and TIM1_BKIN."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB13 with SPI2_SCK, USART3_CTS and TIM1_CH1N."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB14 with SPI2_MISO, USART3_RTS and TIM1_CH2N."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB15 with SPI2_MOSI and TIM1_CH3N."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA8 with USART1_CK, TIM1_CH1 and MCO."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA9 with USART1_TX and TIM1_CH2."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA10 with USART1_RX and TIM1_CH3."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA11 with USART1_CTS, USBDM, CANRX and TIM1_CH4."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PA12 with USART1_RTS, USBDP, CANTX and TIM1_ETR."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; reset function is JTMS/SWDIO."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0-3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; reset function is JTCK/SWCLK."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; JTDI by default (SWJ must be disabled to use as GPIO), with TIM2_CH1_ETR and SPI1_NSS remap."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; JTDO by default, with TRACESWO, TIM2_CH2 and SPI1_SCK remap."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO; NJTRST by default, with TIM3_CH1 and SPI1_MISO remap."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 with I2C1_SMBA and remap TIM3_CH2/SPI1_MOSI."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB6 with I2C1_SCL, TIM4_CH1 and remap USART1_TX."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB7 with I2C1_SDA, TIM4_CH2 and remap USART1_RX."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input, input voltage range 0-5.5 V."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB8 with TIM4_CH3 and remap I2C1_SCL/CANRX."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant GPIO PB9 with TIM4_CH4 and remap I2C1_SDA/CANTX (printed as 'P89' in the table)."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply pin, 2.0-3.6 V."
      },
      {
        "number": "49",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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: The QFN48 diagram (page 10) shows a stray 'VSS' label with '0' that may indicate an exposed pad, but; The pin table text is garbled for pins 8/9. I read QFN48 8=VSSA and 9=VDDA from the table, consisten; The table prints pin 46's name as 'P89', an apparent typo for PB9. I used PB9, based on the TIM4_CH4",
          "1/49 pins cited to the wrong page (name found elsewhere): ['46:PB9@p13']"
        ],
        "pages_sent": 56,
        "cost_usd": 0.3401,
        "at": "2026-11-08T00:28:01"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e28de9700f11ba0ff4dfa7445e1e7838.pdf",
        "pages": 66,
        "sha256": "f311f0d25fd53b08",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cs32f103cbw6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bdef7330531c8a62fd1740be5d4ee88a2520275cd173f5de2a729248fb1c21a0",
        "checked": "2026-11-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cs32f103cbw6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9a93d76899b5e60a537f71fd946fc70d3f002340ac29ea924ea128340bdf4e62",
        "checked": "2026-11-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}