APM32E103VET6

{
  "slug": "apm32e103vet6",
  "version": "0.1.0",
  "type": "component",
  "description": "Geehy Microcontroller Units (MCUs/MPUs/SOCs), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "apm32e103vet6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "component": {
    "mpn": "APM32E103VET6",
    "manufacturer": "Geehy",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontroller Units (MCUs/MPUs/SOCs)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a5152a83c777636baf5e31b7f090df4b.pdf",
    "parts": {
      "symbol": "apm32e103vet6.kicad_sym",
      "footprint": "apm32e103vet6.kicad_mod",
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      "model_3d_step": "apm32e103vet6-etched.step",
      "model_3d_step_plain": "apm32e103vet6.step",
      "lbr": "apm32e103vet6.lbr"
    },
    "distributor_links": {
      "lcsc": "C2975249"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:52:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default function TRACECK, also SMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default function TRACED0, also SMC_A19 and DMC_DQ4."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default function TRACED1, also SMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default function TRACED2, also SMC_A21 and DMC_DQ5."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default function TRACED3, also SMC_A22 and DMC_DQ6."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply 1.8~3.6V; powers the RTC, LSECLK oscillator and backup registers when VDD is off."
      },
      {
        "number": "7",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard I/O (STD); default TAMPER_RTC. Powered via a switch limited to 3mA, so as an output only 2MHz mode and 30pF load are allowed."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard I/O (STD); default OSC32_IN. Same 3mA power-switch limit as PC13."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard I/O (STD); default OSC32_OUT. Same 3mA power-switch limit as PC13."
      },
      {
        "number": "10",
        "name": "VSS_5",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "11",
        "name": "VDD_5",
        "type": "power_in",
        "description": "Digital supply pin, 2.0~3.6V."
      },
      {
        "number": "12",
        "name": "OSC_IN",
        "type": "input",
        "description": "External 4~16MHz HSE oscillator input (STD); the same pin is PD0 and the datasheet notes it is inherent on LQFP100."
      },
      {
        "number": "13",
        "name": "OSC_OUT",
        "type": "output",
        "description": "External HSE oscillator output (STD); the same pin is PD1, output limited to 50MHz mode."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Reset pin with a built-in weak pull-up, CMOS input."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default ADC123_IN10."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default ADC123_IN11."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default ADC123_IN12."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default ADC123_IN13."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground; must be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC/DAC reference voltage negative pin."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC/DAC reference voltage positive pin."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0~3.6V; must be at least 2.4V when ADC or DAC is used."
      },
      {
        "number": "23",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default WKUP, also USART2_CTS, ADC123_IN0, TMR2_CH1_ETR, TMR5_CH1, TMR8_ETR."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default USART2_RTS, also ADC123_IN1, TMR5_CH2, TMR2_CH2."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default USART2_TX, also TMR5_CH3, ADC123_IN2, TMR2_CH3."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard analog I/O (STDA); default USART2_RX, also TMR5_CH4, ADC123_IN3."
      },
      {
        "number": "27",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "28",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin, 2.0~3.6V."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "49",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "50",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin, 2.0~3.6V."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "73",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected pin on the LQFP100 package."
      },
      {
        "number": "74",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "75",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin, 2.0~3.6V."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Name from LQFP100 diagram only; its function row is on a table page not included in the provided text."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_D2, also CAN_RX. Output mode limited to 50MHz."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_D3, also CAN_TX. Output mode limited to 50MHz."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default TMR3_ETR, UART5_RX, SDIO_CMD, DMC_DQ10."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_CLK and DMC_DQ11, remap USART2_CTS."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_NOE and DMC_DQ12, remap USART2_RTS."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_NWE and DMC_DQ13, remap USART2_TX."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_NWAIT and DMC_DQ14, remap USART2_RX."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_NE1 and SMC_NCE2, remap USART2_CK."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SPI3_SCK and I2S3_CK (JTDO), remap TRACESWO, TMR2_CH2, SPI1_SCK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SPI3_MISO (NJTRST), remap TMR3_CH1, SPI1_MISO."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Standard I/O (STD); default I2C1_SMBAI, SPI3_MOSI and I2S3_SD, remap TMR3_CH2, SPI1_MOSI, CAN2_RX."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default I2C1_SCL, I2C3_SCL and TMR4_CH1, remap USART1_TX, CAN2_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default I2C1_SDA, I2C3_SDA, SMC_NADV and TMR4_CH2, remap USART1_RX."
      },
      {
        "number": "94",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select pin, sampled at startup to choose main flash, bootloader or SRAM boot."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default TMR4_CH3 and SDIO_D4, remap I2C1_SCL, I2C3_SCL, CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default TMR4_CH4 and SDIO_D5, remap I2C1_SDA, I2C3_SDA, CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default TMR4_ETR and SMC_NBL0."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (5T); default SMC_NBL1."
      },
      {
        "number": "99",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Digital ground pin."
      },
      {
        "number": "100",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin, 2.0~3.6V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text provided skips PAGE 14 to PAGE 17, which hold the function rows for most LQFP100 ; Pins 12 and 81 both carry PD0. Pin 12 defaults to OSC_IN and pin 81 is PD0 (OSC_IN). The datasheet s; Supply and ground pin descriptions (VDD, VSS, VDDA, VSSA, VREF) follow the general power scheme and ",
          "4/100 pins cited to the wrong page (name found elsewhere): ['76:PA14@p9', '77:PA15@p9', '78:PC10@p9', '79:PC11@p9']"
        ],
        "pages_sent": 60,
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