APM32F103RBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "apm32f103rbt6",
  "title": "APM32F103RBT6",
  "brief": "Geehy Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "apm32f103rbt6"
  ],
  "component": {
    "mpn": "APM32F103RBT6",
    "manufacturer": "Geehy",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/99c5c8946c0f1f9b968fb6fd277cd4b3.pdf",
    "parts": {
      "symbol": "apm32f103rbt6.kicad_sym",
      "footprint": "apm32f103rbt6.kicad_mod",
      "model_3d": "apm32f103rbt6-etched.glb",
      "model_3d_plain": "apm32f103rbt6.glb",
      "model_3d_step": "apm32f103rbt6-etched.step",
      "model_3d_step_plain": "apm32f103rbt6.step",
      "lbr": "apm32f103rbt6.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply, 1.8-3.6 V. Powers RTC, external 32 kHz oscillator, and backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13/TAMPER-RTC",
        "type": "bidirectional",
        "description": "GPIO PC13 with alternate TAMPER-RTC function. Powered from VBAT domain; weak drive (2 MHz, 30 pF max, cannot source current)."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "GPIO PC14 or 32.768 kHz LSE crystal input. Backup domain, weak drive."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "GPIO PC15 or 32.768 kHz LSE crystal output. Backup domain, weak drive."
      },
      {
        "number": "5",
        "name": "OSC_IN/PD0",
        "type": "input",
        "description": "HSE crystal oscillator input (4-16 MHz) by default after reset; can be remapped to GPIO PD0."
      },
      {
        "number": "6",
        "name": "OSC_OUT/PD1",
        "type": "output",
        "description": "HSE crystal oscillator output by default after reset; can be remapped to GPIO PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low bidirectional reset pin. Internal pull-up; drives low during internal reset events."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO PC0; alt: ADC12_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO PC1; alt: ADC12_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO PC2; alt: ADC12_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO PC3; alt: ADC12_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground return for ADC, reset block, RC oscillator, and PLL analog section. Must connect to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply, 2.4-3.6 V (must be ≥2.4 V when ADC is used). Must connect to VDD."
      },
      {
        "number": "14",
        "name": "PA0/WKUP",
        "type": "bidirectional",
        "description": "GPIO PA0; alt: WKUP, USART2_CTS, ADC12_IN0, TMR2_CH1_ETR."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO PA1; alt: USART2_RTS, ADC12_IN1, TMR2_CH2."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO PA2; alt: USART2_TX, ADC12_IN2, TMR2_CH3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO PA3; alt: USART2_RX, ADC12_IN3, TMR2_CH4."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO PA4; alt: SPI1_NSS, USART2_CK, ADC12_IN4."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO PA5; alt: SPI1_SCK, ADC12_IN5."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO PA6; alt: SPI1_MISO, ADC12_IN6, TMR3_CH1, TMR1_BKIN (remap)."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO PA7; alt: SPI1_MOSI, ADC12_IN7, TMR3_CH2, TMR1_CH1N (remap)."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO PC4; alt: ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO PC5; alt: ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO PB0; alt: ADC12_IN8, TMR3_CH3, TMR1_CH2N (remap)."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO PB1; alt: ADC12_IN9, TMR3_CH4, TMR1_CH3N (remap)."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "GPIO PB2 or boot-mode select BOOT1 input (5 V tolerant)."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO PB10 (FT); alt: I2C2_SCL, I2C4_SCL, USART3_TX, TMR2_CH3 (remap)."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO PB11 (FT); alt: I2C2_SDA, I2C4_SDA, USART3_RX, TMR2_CH4 (remap)."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO PB12 (FT); alt: SPI2_NSS, I2C2_SMBAI, USART3_CK, TMR1_BKIN."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO PB13 (FT); alt: SPI2_SCK, USART3_CTS, TMR1_CH1N, QSPI_IO0."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO PB14 (FT); alt: SPI2_MISO, USART3_RTS, TMR1_CH2N, QSPI_IO1."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO PB15 (FT); alt: SPI2_MOSI, TMR1_CH3N, QSPI_IO2."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO PC6 (FT); alt: TMR3_CH1 (remap)."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO PC7 (FT); alt: TMR3_CH2 (remap)."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO PC8 (FT); alt: TMR3_CH3 (remap)."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO PC9 (FT); alt: TMR3_CH4 (remap)."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO PA8 (FT); alt: USART1_CK, TMR1_CH1, MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO PA9 (FT); alt: USART1_TX, TMR1_CH2."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO PA10 (FT); alt: USART1_RX, TMR1_CH3."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO PA11 (FT); alt: USART1_CTS, USBD1_DM, USBD2_DM, CAN_RX, TMR1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO PA12 (FT); alt: USART1_RTS, USBD1_DP, USBD2_DP, CAN_TX, TMR1_ETR."
      },
      {
        "number": "46",
        "name": "PA13/JTMS/SWDIO",
        "type": "bidirectional",
        "description": "JTAG TMS / SWD IO after reset; can be released to GPIO PA13 (FT)."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      },
      {
        "number": "49",
        "name": "PA14/JTCK/SWCLK",
        "type": "bidirectional",
        "description": "JTAG TCK / SWD CLK after reset; can be released to GPIO PA14 (FT)."
      },
      {
        "number": "50",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "JTAG TDI after reset; alt: TMR2_CH1_ETR (remap), SPI1_NSS (remap); usable as GPIO PA15 when JTAG released."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO PC10 (FT); alt: USART3_TX (remap)."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO PC11 (FT); alt: USART3_RX (remap)."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO PC12 (FT); alt: USART3_CK (remap)."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO PD2 (FT); alt: TMR3_ETR."
      },
      {
        "number": "55",
        "name": "PB3/JTDO",
        "type": "bidirectional",
        "description": "JTAG TDO after reset; alt: TRACESWO, TMR2_CH2, SPI1_SCK; usable as GPIO PB3 (FT) when JTAG released."
      },
      {
        "number": "56",
        "name": "PB4/NJTRST",
        "type": "bidirectional",
        "description": "JTAG NJTRST after reset; alt: TMR3_CH1 (remap), SPI1_MISO (remap); usable as GPIO PB4 (FT) when JTAG released."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO PB5 (not 5V tolerant); alt: I2C1_SMBAI, TMR3_CH2 (remap), SPI1_MOSI (remap)."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO PB6 (FT); alt: I2C1_SCL, I2C3_SCL, TMR4_CH1, USART1_TX (remap)."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO PB7 (FT); alt: I2C1_SDA, I2C3_SDA, TMR4_CH2, USART1_RX (remap)."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input sampled at reset; picks boot source (user flash, system memory, or SRAM) together with BOOT1."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO PB8 (FT); alt: TMR4_CH3, I2C1_SCL (remap), I2C3_SCL (remap), CAN_RX (remap)."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO PB9 (FT); alt: TMR4_CH4, I2C1_SDA (remap), I2C3_SDA (remap), CAN_TX (remap)."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply, 2.0-3.6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/99c5c8946c0f1f9b968fb6fd277cd4b3.pdf",
        "pages": 85,
        "sha256": "8c9a2ab3889a585a",
        "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": "apm32f103rbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "apm32f103rbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07ee20607231a2ac0a59b203b7f69e49db54d6292fec423f10421363919ac74a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Geehy",
      "Package": "LQFP-64(10x10)",
      "Category": "MCU",
      "Pins": "64"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "apm32f103rbt6"
  ],
  "discovery_pitch": "APM32F103RBT6 (Geehy) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "apm32f103rbt6.kicad_sym",
    "apm32f103rbt6.kicad_mod",
    "apm32f103rbt6.glb",
    "apm32f103rbt6.step",
    "apm32f103rbt6-etched.step",
    "apm32f103rbt6.lbr",
    "docs/hero.png",
    "docs/apm32f103rbt6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:50:06.380Z"
}