APM32F051C8T6

{
  "schema_version": 1,
  "type": "component",
  "slug": "apm32f051c8t6",
  "title": "APM32F051C8T6",
  "brief": "Geehy Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "mcu",
    "apm32f051c8t6"
  ],
  "component": {
    "mpn": "APM32F051C8T6",
    "manufacturer": "Geehy",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "MCU",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304140030_Geehy-APM32F051C8T6_C2761416.pdf",
    "parts": {
      "symbol": "apm32f051c8t6.kicad_sym",
      "footprint": "apm32f051c8t6.kicad_mod",
      "model_3d": "apm32f051c8t6-etched.glb",
      "model_3d_plain": "apm32f051c8t6.glb",
      "model_3d_step": "apm32f051c8t6-etched.step",
      "model_3d_step_plain": "apm32f051c8t6.step",
      "lbr": "apm32f051c8t6.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply (1.65-3.6 V). Powers the RTC and backup registers when VDD is absent."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose 3.3 V I/O (TC). Additional functions: RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2. Powered from the VBAT switch, so drive strength is limited (≤2 MHz at 30 pF)."
      },
      {
        "number": "3",
        "name": "PC14/OSC32_IN",
        "type": "bidirectional",
        "description": "Low-speed 32.768 kHz oscillator input, or standard 3.3 V I/O (TC). Limited drive strength when used as GPIO."
      },
      {
        "number": "4",
        "name": "PC15/OSC32_OUT",
        "type": "bidirectional",
        "description": "Low-speed 32.768 kHz oscillator output, or standard 3.3 V I/O (TC). Limited drive strength when used as GPIO."
      },
      {
        "number": "5",
        "name": "PF0/OSC_IN",
        "type": "bidirectional",
        "description": "High-speed 4-32 MHz oscillator input, or 5 V-tolerant GPIO."
      },
      {
        "number": "6",
        "name": "PF1/OSC_OUT",
        "type": "bidirectional",
        "description": "High-speed oscillator output, or 5 V-tolerant GPIO."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional device reset (active low) with internal weak pull-up. Drives low during internal reset; may be pulled low externally to reset the device."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground reference for the ADC, DAC, comparators and internal reference."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply (2.4-3.6 V), independent of VDD, feeding the ADC, DAC, comparators and voltage reference."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: USART2_CTS, TMR2_CH1_ETR, COMP1_OUT, TSC_G1_IO1. Additional: ADC_IN0, COMP1_INM6, RTC_TAMP2, WKUP1."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: USART2_RTS, TMR2_CH2, TSC_G1_IO2, EVENTOUT. Additional: ADC_IN1, COMP1_INP."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: USART2_TX, TMR2_CH3, TMR15_CH1, COMP2_OUT, TSC_G1_IO3. Additional: ADC_IN2, COMP2_INM6."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: USART2_RX, TMR2_CH4, TMR15_CH2, TSC_G1_IO4. Additional: ADC_IN3, COMP2_INP."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: SPI1_NSS, I2S1_WS, USART2_CK, TMR14_CH1, TSC_G2_IO1. Additional: ADC_IN4, COMP1/2_INM4, DAC_OUT1."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: SPI1_SCK, I2S1_CK, CEC, TMR2_CH1_ETR, TSC_G2_IO2. Additional: ADC_IN5, COMP1/2_INM5."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: SPI1_MISO, I2S1_MCK, TMR3_CH1, TMR1_BKIN, TMR16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT. Additional: ADC_IN6."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: SPI1_MOSI, I2S1_SD, TMR3_CH2, TMR14_CH1, TMR1_CH1N, TMR17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT. Additional: ADC_IN7."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: TMR3_CH3, TMR1_CH2N, TSC_G3_IO2, EVENTOUT. Additional: ADC_IN8."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V I/O directly connected to ADC (TTa). Alt: TMR3_CH4, TMR14_CH1, TMR1_CH3N, TSC_G3_IO3. Additional: ADC_IN9."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: TSC_G3_IO4."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: I2C2_SCL, CEC, TMR2_CH3, TSC_SYNC."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: I2C2_SDA, TMR2_CH4, TSC_G6_IO1, EVENTOUT."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.0-3.6 V)."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI2_NSS, TMR1_BKIN, TSC_G6_IO2, EVENTOUT."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI2_SCK, TMR1_CH1N, TSC_G6_IO3."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI2_MISO, TMR1_CH2N, TMR15_CH1, TSC_G6_IO4."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI2_MOSI, TMR1_CH3N, TMR15_CH1N, TMR15_CH2. Additional: RTC_REFIN."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: USART1_CK, TMR1_CH1, EVENTOUT, MCO."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: USART1_TX, TMR1_CH2, TMR15_BKIN, TSC_G4_IO1."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: USART1_RX, TMR1_CH3, TMR17_BKIN, TSC_G4_IO2."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: USART1_CTS, TMR1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: USART1_RTS, TMR1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT."
      },
      {
        "number": "34",
        "name": "PA13/SWDIO",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Default after reset: SWDIO with internal pull-up. Alt: IR_OUT, SWDIO."
      },
      {
        "number": "35",
        "name": "PF6",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: I2C2_SCL."
      },
      {
        "number": "36",
        "name": "PF7",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: I2C2_SDA."
      },
      {
        "number": "37",
        "name": "PA14/SWCLK",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Default after reset: SWCLK with internal pull-down. Alt: USART2_TX, SWCLK."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI1_NSS, I2S1_WS, USART2_RX, TMR2_CH1_ETR, EVENTOUT."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI1_SCK, I2S1_CK, TMR2_CH2, TSC_G5_IO1, EVENTOUT."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI1_MISO, I2S1_MCK, TMR3_CH1, TSC_G5_IO2, EVENTOUT."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V-tolerant I/O (FT). Alt: SPI1_MOSI, I2S1_SD, I2C1_SMBA, TMR16_BKIN, TMR3_CH2."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5 V-tolerant Fast-Mode+ I/O (FTf). Alt: I2C1_SCL, USART1_TX, TMR16_CH1N, TSC_G5_IO3. Supports FM+ 1 Mbit/s I2C."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5 V-tolerant Fast-Mode+ I/O (FTf). Alt: I2C1_SDA, USART1_RX, TMR17_CH1N, TSC_G5_IO4. Supports FM+ 1 Mbit/s I2C."
      },
      {
        "number": "44",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode selection input. Sampled at reset to choose boot-from-flash, system memory (bootloader) or SRAM."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5 V-tolerant Fast-Mode+ I/O (FTf). Alt: I2C1_SCL, CEC, TMR16_CH1, TSC_SYNC."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5 V-tolerant Fast-Mode+ I/O (FTf). Alt: I2C1_SDA, IR_OUT, TMR17_CH1, EVENTOUT."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply (2.0-3.6 V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2304140030_Geehy-APM32F051C8T6_C2761416.pdf",
        "pages": 72,
        "sha256": "4c3e595c7482399e",
        "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": "apm32f051c8t6.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "apm32f051c8t6-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": "31d9c0add062f40f191c8f7574f3f85246fe029bc3809d16320a01eb40d96608",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Geehy",
      "Package": "LQFP-48(7x7)",
      "Category": "MCU",
      "Pins": "48"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "apm32f051c8t6"
  ],
  "discovery_pitch": "APM32F051C8T6 (Geehy) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "apm32f051c8t6.kicad_sym",
    "apm32f051c8t6.kicad_mod",
    "apm32f051c8t6.glb",
    "apm32f051c8t6.step",
    "apm32f051c8t6.lbr",
    "docs/hero.png",
    "docs/apm32f051c8t6-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "apm32f051c8t6-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "APM32F051C8T6C6T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6C6U6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6C8U6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6R6T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6R8T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6K6T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6K8T6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6K6U6",
      "kind": "packaging"
    },
    {
      "mpn": "APM32F051C8T6K8U6",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T16:49:58.662Z"
}