APM32F105RCT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "apm32f105rct6",
  "title": "APM32F105RCT6",
  "brief": "Geehy Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.1",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "apm32f105rct6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "APM32F105RCT6",
    "manufacturer": "Geehy",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8ab0a906aea3e1652e8850eb41dd410b.pdf",
    "parts": {
      "symbol": "apm32f105rct6.kicad_sym",
      "footprint": "apm32f105rct6.kicad_mod",
      "model_3d": "apm32f105rct6-hero.glb",
      "model_3d_plain": "apm32f105rct6.glb",
      "model_3d_step": "apm32f105rct6-etched.step",
      "model_3d_step_plain": "apm32f105rct6.step",
      "lbr": "apm32f105rct6.lbr"
    },
    "distributor_links": {
      "lcsc": "C19188487"
    },
    "distributor_check": {
      "checked_at": "2026-11-04T23:48:42Z",
      "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-domain supply of 1.8-3.6 V that powers the RTC, the LSE oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard I/O on the power-switch domain that can source only 3 mA in total, is limited to 2 MHz output mode with a 30 pF maximum load, must not drive current sources such as LEDs, and defaults to TAMPER_RTC."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard I/O on the power-switch domain that defaults to the OSC32_IN LSE input, with the same 3 mA, 2 MHz and 30 pF output limits as PC13."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard I/O on the power-switch domain that defaults to the OSC32_OUT LSE output, with the same 3 mA, 2 MHz and 30 pF output limits as PC13."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for a 3-25 MHz crystal or ceramic resonator; on LQFP64 it is the default function after reset and can be reassigned to PD0, where output mode is limited to 50 MHz."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output for a 3-25 MHz crystal or ceramic resonator; on LQFP64 it is the default function after reset and can be reassigned to PD1, where output mode is limited to 50 MHz."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with an internal weak pull-up of 30-50 kΩ, where the input low level is at most 2 V and the input high level is at least 2 V."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC and providing ADC12_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC and providing ADC12_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC and providing ADC12_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC and providing ADC12_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, DAC, reset block, RC oscillators and PLL, which must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply of 2.0-3.6 V for the ADC, DAC, reset block, RC oscillators and PLL, which must be at least 2.4 V when the ADC or DAC is used and must be connected to VDD."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC that provides the WKUP wake-up input (a rising edge wakes the MCU from standby) and ADC12_IN0, with USART2_CTS and timer alternates."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with USART2_RTS, ADC12_IN1, TMR5_CH2 and TMR2_CH2 alternate functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with USART2_TX, ADC12_IN2, TMR5_CH3 and TMR2_CH3 alternate functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with USART2_RX, ADC12_IN3, TMR5_CH4 and TMR2_CH4 alternate functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply of 2.0-3.6 V that powers the I/O pins and the internal regulator."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with default alternates SPI1_NSS, USART2_CK, DAC_OUT1 and ADC12_IN4, and remap alternates SPI3_NSS and I2S3_WS."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with SPI1_SCK, DAC_OUT2 and ADC12_IN5 alternate functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with SPI1_MISO and ADC12_IN6 as default functions, and TMR3_CH1 and TMR1_BKIN as remap alternates."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC with SPI1_MOSI, ADC12_IN7 and TMR3_CH2 as default functions, and TMR1_CH1N as a remap alternate."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC that provides ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V standard I/O connected directly to the ADC that provides ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "28",
        "name": "PB2",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply of 2.0-3.6 V that powers the I/O pins and the internal regulator."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "I/O pin of port B; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "I/O pin of port C; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "I/O pin of port C; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "I/O pin of port C; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "I/O pin of port C; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "I/O pin of port A; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "I/O pin of port A; it is a floating input after reset and its pull-up/pull-down, push-pull/open-drain and 2/10/50 MHz speed options are set in software, but its alternate-function and structure details are on pages not supplied."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "I/O pin of port A with a weak pull-up of only 8-15 kΩ (typical 11 kΩ), unlike the 30-50 kΩ on other pins, and its alternate-function details are on pages not supplied."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with USART1_CTS, OTG_FS_DM, CAN1_RX and TMR1_CH4 alternate functions, and OTG_FS_ID listed for it."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with USART1_RTS, OTG_FS_DP, CAN1_TX and TMR1_ETR alternate functions."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) that after reset carries the JTMS/SWDIO debug function and can be reassigned to plain PA13."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply of 2.0-3.6 V that powers the I/O pins and the internal regulator."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) that after reset carries the JTCK/SWCLK debug function."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) that after reset carries the JTDI debug function, with SPI3_NSS and I2S3_WS as default alternates and TMR2_CH1_ETR and SPI1_NSS as remap alternates."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with UART4_TX as default alternate and USART3_TX, SPI3_SCK and I2S3_CK as remap alternates."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with UART4_RX as default alternate and USART3_RX and SPI3_MISO as remap alternates."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with UART5_TX as default alternate and USART3_CK, SPI3_MOSI and I2S3_SD as remap alternates."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with TMR3_ETR and UART5_RX alternate functions."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) that after reset carries the JTDO debug function, with SPI3_SCK and I2S3_CK as default alternates and TRACESWO, TMR2_CH2 and SPI1_SCK as remap alternates."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) that after reset carries the NJTRST debug function, with SPI3_MISO as default alternate and TMR3_CH1 and SPI1_MISO as remap alternates."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "3.3 V standard I/O (structure STD, not 5 V tolerant) with I2C1_SMBAI, SPI3_MOSI and I2S3_SD as default alternates, and TMR3_CH2, SPI1_MOSI and CAN2_RX as remap alternates."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with I2C1_SCL and TMR4_CH1 as default alternates, and USART1_TX and CAN2_TX as remap alternates."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with I2C1_SDA and TMR4_CH2 as default alternates, and USART1_RX as a remap alternate."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Dedicated boot pin whose high or low level at startup selects main Flash, the built-in bootloader or SRAM as the boot source."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with TMR4_CH3 as default alternate, and I2C1_SCL and CAN1_RX as remap alternates."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O (structure 5T) with TMR4_CH4 as default alternate, and I2C1_SDA and CAN1_TX as remap alternates."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply of 2.0-3.6 V that powers the I/O pins and the internal regulator."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pages 12–13 of the datasheet are missing from the supplied text, so the alternate-function, 5 V tole; The PC5 pin-table row is cut off at the end of page 11 and its remaining alternate functions are on ; The PA10 default alternate-function row is on the missing pages; only its weak pull-up value from th",
          "7/64 pins cited to the wrong page (name found elsewhere): ['12:VSSA@p21', '13:VDDA@p21', '19:VDD_4@p21', '32:VDD_1@p21']"
        ],
        "pages_sent": 47,
        "cost_usd": 0.2002,
        "at": "2026-11-04T23:48:26"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8ab0a906aea3e1652e8850eb41dd410b.pdf",
        "pages": 61,
        "sha256": "cd88d2185f956ac2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
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  "metadata": {
    "specs": {
      "Manufacturer": "Geehy",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
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          "name": "Internal AHB clock frequency",
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        {
          "name": "Internal APB1 clock frequency",
          "symbol": "fPCLK1",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
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  "visibility": "public",
  "description": "Geehy Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "org": "adom"
}