CH32F205RBT6

{
  "slug": "ch32f205rbt6",
  "version": "0.1.0",
  "type": "component",
  "description": "WCH(Jiangsu Qin Heng) Microcontroller Units (MCUs/MPUs/SOCs), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "single chip microcomputer-microcontroller",
    "ch32f205rbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ch32f205rbt6.kicad_sym",
    "ch32f205rbt6.kicad_mod",
    "ch32f205rbt6.glb",
    "ch32f205rbt6.step",
    "ch32f205rbt6.lbr",
    "docs/hero.png",
    "docs/ch32f205rbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ch32f205rbt6-hero.glb",
    "ch32f205rbt6-hero.overlay.json",
    "ch32f205rbt6-etched.glb"
  ],
  "component": {
    "mpn": "CH32F205RBT6",
    "manufacturer": "WCH(Jiangsu Qin Heng)",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Single Chip Microcomputer/Microcontroller",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/30928fb86165f410bd442c40f7ad100c.pdf",
    "parts": {
      "symbol": "ch32f205rbt6.kicad_sym",
      "footprint": "ch32f205rbt6.kicad_mod",
      "model_3d": "ch32f205rbt6-hero.glb",
      "model_3d_plain": "ch32f205rbt6-etched.glb",
      "model_3d_step": "ch32f205rbt6-etched.step",
      "model_3d_step_plain": "ch32f205rbt6.step",
      "lbr": "ch32f205rbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C5158919"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:07:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply of 1.8-3.6V that powers the RTC, external low-speed oscillator and backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 powered via the backup power switch (3mA limit, 2MHz, 30pF max as output) with TAMPER-RTC function."
      },
      {
        "number": "3",
        "name": "PC14/OSC32IN",
        "type": "bidirectional",
        "description": "GPIO PC14 on the backup power switch (3mA limit, 2MHz output only) that is also the 32.768kHz oscillator input OSC32_IN."
      },
      {
        "number": "4",
        "name": "PC15/OSC32OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 on the backup power switch (3mA limit, 2MHz output only) that is also the 32.768kHz oscillator output OSC32_OUT."
      },
      {
        "number": "5",
        "name": "OSC_IN/PD0",
        "type": "input",
        "description": "High-speed 3-25MHz external oscillator input after reset, reconfigurable by software as PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT/PD1",
        "type": "output",
        "description": "High-speed external oscillator output after reset, reconfigurable by software as PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "External reset input."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0 with ADC input 10, TIM9_CH1N, UART6_TX and ETH_RGMII_RXC alternate functions."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1 with ADC input 11, TIM9_CH2N, UART6_RX and Ethernet MDC/RGMII_RXCTL alternate functions."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2 with ADC input 12, TIM9_CH3N, UART7_TX and OPA3_CH1N alternate functions."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3 with ADC input 13, TIM10_CH3, UART7_RX and OPA4_CH1N alternate functions."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply of 2.4-3.6V for the ADC, DAC, PLL, temperature sensor and RC oscillator, which must equal VIO and be at least 2.4V when the ADC is used."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0 with WKUP wake-up, USART2_CTS, ADC input 0, TIM2_CH1/ETR and TIM5_CH1 alternate functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1 with USART2_RTS, ADC input 1, TIM5_CH2, TIM2_CH2 and OPA3_OUT0 alternate functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2 with USART2_TX, ADC input 2, TIM5_CH3, TIM2_CH3 and OPA2_OUT0 alternate functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3 with USART2_RX, ADC input 3, TIM5_CH4, TIM2_CH4 and OPA1_OUT0 alternate functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground for the VDD_4 supply group."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Supply of 2.4-3.6V for part of the I/O pins and the internal voltage regulator."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4 with ADC input 4, DAC output 1, SPI1_NSS and USART2_CK alternate functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5 with ADC input 5, DAC output 2, SPI1_SCK and OPA2_CH1N alternate functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6 with ADC input 6, SPI1_MISO, TIM3_CH1 and OPA1_CH1N alternate functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7 with ADC input 7, SPI1_MOSI, TIM3_CH2 and OPA2_CH1P alternate functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4 with ADC input 14, UART8_TX and OPA4_CH1P alternate functions."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5 with ADC input 15, UART8_RX and OPA3_CH1P alternate functions."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0 with ADC input 8, TIM3_CH3 and OPA1_CH1P alternate functions."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1 with ADC input 9, TIM3_CH4 and OPA4_CH0N alternate functions."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB2 that also serves as the BOOT1 boot-mode select pin."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB10 with I2C2_SCL, USART3_TX and OPA2_CH0N alternate functions."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB11 with I2C2_SDA, USART3_RX and OPA1_CH0N alternate functions."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground for the VIO_1 supply group."
      },
      {
        "number": "32",
        "name": "VIO_1",
        "type": "power_in",
        "description": "I/O supply of 2.4-3.6V that sets pin output high level and must not exceed VDD."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB12 with SPI2_NSS, I2C2_SMBA, USART3_CK and TIM1_BKIN alternate functions."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB13 with SPI2_SCK, USART3_CTS and TIM1_CH1N alternate functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB14 with SPI2_MISO, TIM1_CH2N, USART3_RTS and OPA2_CH0P alternate functions."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB15 with SPI2_MOSI, TIM1_CH3N and OPA1_CH0P alternate functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO PC6 with TIM8_CH1, I2S2_MCK and SDIO_D6 alternate functions."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO PC7 with TIM8_CH2, I2S3_MCK and SDIO_D7 alternate functions."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO PC8 with TIM8_CH3 and SDIO_D0 alternate functions."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO PC9 with TIM8_CH4 and SDIO_D1 alternate functions."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA8 with USART1_CK, TIM1_CH1 and MCO alternate functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA9 with USART1_TX and TIM1_CH2 alternate functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA10 with USART1_RX and TIM1_CH3 alternate functions."
      },
      {
        "number": "44",
        "name": "PA11/USB1DM",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA11 with USB D- (USB1DM), USART1_CTS, CAN1_RX and TIM1_CH4 alternate functions."
      },
      {
        "number": "45",
        "name": "PA12/USB1DP",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA12 with USB D+ (USB1DP), USART1_RTS, CAN1_TX and TIM1_ETR alternate functions."
      },
      {
        "number": "46",
        "name": "PA13/SWDIO",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA13 that is the SWDIO debug data pin, enabled by default after reset."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground for the VDD_2 supply group."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Supply of 2.4-3.6V for part of the I/O pins and the internal voltage regulator."
      },
      {
        "number": "49",
        "name": "PA14/SWCLK",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA14 that is the SWCLK debug clock pin, enabled by default after reset."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PA15 with SPI3_NSS, I2S3_WS, SPI1_NSS and TIM2_CH1_ETR alternate functions."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC10 with UART4_TX, SDIO_D2 and SPI3_SCK alternate functions."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC11 with UART4_RX, SDIO_D3 and SPI3_MISO alternate functions."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PC12 with UART5_TX, SDIO_CK and SPI3_MOSI alternate functions."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PD2 with TIM3_ETR, UART5_RX and SDIO_CMD alternate functions."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB3 with SPI3_SCK, TRACESWO, TIM2_CH2 and SPI1_SCK alternate functions."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB4 with SPI3_MISO, TIM3_CH1 and SPI1_MISO alternate functions."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5V tolerant) with I2C1_SMBA, SPI3_MOSI, SPI1_MOSI and CAN2_RX alternate functions."
      },
      {
        "number": "58",
        "name": "PB6/USB2DM",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB6 with I2C1_SCL, TIM4_CH1 and USB D- (USBHD_DM/USBHS_DM) functions."
      },
      {
        "number": "59",
        "name": "PB7/USB2DP",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB7 with I2C1_SDA, TIM4_CH2 and USB D+ (USBHD_DP/USBHS_DP) functions."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB8 with TIM4_CH3, SDIO_D4, I2C1_SCL and CAN1_RX alternate functions."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO PB9 with TIM4_CH4, SDIO_D5, I2C1_SDA and CAN1_TX alternate functions."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground for the VIO_3 supply group."
      },
      {
        "number": "64",
        "name": "VIO_3",
        "type": "power_in",
        "description": "I/O supply of 2.4-3.6V that sets pin output high level and must not exceed VDD."
      }
    ],
    "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: Datasheet pages 28-31 (pin-definition rows for roughly pins 28-50 of the LQFP64M column) were not in; The F205 figure shows VDD_2 and VDD_4 as VDD power and VIO_1 and VIO_3 as VIO power. The pin-definit; Pin 5 is OSC_IN and pin 6 is OSC_OUT in the F205 LQFP64M figure. Note 4 says software can reconfigur"
        ],
        "pages_sent": 26,
        "cost_usd": 0.3635,
        "at": "2026-10-23T06:06:08"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/30928fb86165f410bd442c40f7ad100c.pdf",
        "pages": 86,
        "sha256": "f6363e3b6e70c3ee",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ch32f205rbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ch32f205rbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "734c2e8518fc5e614897df56279ea82c7ad47a4d40202294a42d3f8c2000e792",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}