MM32F3273G8P

{
  "slug": "mm32f3273g8p",
  "version": "0.1.0",
  "type": "component",
  "description": "MindMotion Microelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "mm32f3273g8p",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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  "component": {
    "mpn": "MM32F3273G8P",
    "manufacturer": "MindMotion Microelectronics",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808060975263744",
    "parts": {
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      "lbr": "mm32f3273g8p.lbr"
    },
    "distributor_links": {
      "lcsc": "C5143553"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T10:12:56Z",
      "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": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI2_SCK, I2S2_CK and FMC_A23."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI2_NSS, I2S2_WS and FMC_A19."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI2_NSS, I2S2_WS and FMC_A20."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C2_SCL, SPI2_MISO, I2S2_MCK and FMC_A21."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C2_SDA, SPI2_MOSI, I2S2_SD and FMC_A22."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply 1.8 V to 5.5 V for the RTC, external 32 kHz oscillator and backup registers; may be connected to VDD or left floating if no backup battery is used."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional functions WKP1 and TAMP-RTC."
      },
      {
        "number": "8",
        "name": "PC14",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function OSC32_IN."
      },
      {
        "number": "9",
        "name": "PC15",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function OSC32_OUT."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground; all VSS and VSSA pins must be connected to the supply system within the allowed range."
      },
      {
        "number": "11",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 V to 5.5 V (typical 3.3 V) for the I/O pins and internal regulator; VDD and VDDA must not differ by more than 300 mV."
      },
      {
        "number": "12",
        "name": "PH0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function OSC_IN for the 8 to 24 MHz HSE oscillator."
      },
      {
        "number": "13",
        "name": "PH1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function OSC_OUT for the 8 to 24 MHz HSE oscillator."
      },
      {
        "number": "14",
        "name": "nRST",
        "type": "input",
        "description": "Active-low reset input with CMOS input and internal pull-up (RPU typical 50 kΩ); input pulses shorter than 1.0 µs are filtered out."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate function I2C1_SCL and ADC123_IN10 analog input."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate function I2C1_SDA and ADC123_IN11 analog input."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C2_SCL, SPI2_MISO and I2S2_MCK, and ADC123_IN12 analog input."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C2_SDA, SPI2_MOSI and I2S2_SD, and ADC123_IN13 analog input."
      },
      {
        "number": "19",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC, reset block, oscillators and PLL; may be connected to VSS."
      },
      {
        "number": "20",
        "name": "VREF-",
        "type": "power_in",
        "description": "ADC reference ground; internally connected to VSSA in this product series."
      },
      {
        "number": "21",
        "name": "VREF+",
        "type": "power_in",
        "description": "ADC reference voltage input; internally connected to VDDA in this product series."
      },
      {
        "number": "22",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply 2.0 V to 5.5 V for the ADC, reset block, oscillators and PLL; specified performance requires 2.5 V to 5.5 V and VDDA must equal VDD."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH1, TIM2_ETR, TIM5_CH1, TIM8_ETR, UART2_CTS and UART4_TX; additional functions WKP0, ADC123_IN0, COMP12_INP0 and COMP1_INM2."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH2, TIM5_CH2, UART2_RTS and UART4_RX; additional functions ADC123_IN1 and COMP12_INP1."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH3, TIM5_CH3, UART2_TX and CPT2_OUT; additional functions WKP2, ADC123_IN2, COMP12_INP2 and COMP2_INM2."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH4, TIM5_CH4 and UART2_RX; additional functions ADC123_IN3 and COMP12_INP3."
      },
      {
        "number": "27",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 V to 5.5 V (typical 3.3 V) for the I/O pins and internal regulator."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI1_NSS, I2S1_WS, SPI3_NSS, I2S3_WS and UART5_TX; additional functions ADC12_IN4, DAC1_OUT and COMP12_INM0."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH1, TIM2_ETR, TIM8_CH1N, SPI1_SCK, I2S1_CK and UART5_RX; additional functions ADC12_IN5, DAC2_OUT and COMP12_INM1."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S1_MCK and CPT1_OUT; additional function ADC12_IN6."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, I2S1_SD and CRS_SYNC; additional function ADC12_IN7."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function ADC23_IN14."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional functions WKP3 and ADC23_IN15."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH2N, TIM3_CH3, TIM8_CH2N and UART6_TX; additional function ADC12_IN8."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH3N, TIM3_CH4, TIM8_CH3N and UART6_RX; additional function ADC123_IN9."
      },
      {
        "number": "37",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function BOOT1 used for boot mode selection."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_ETR, UART7_RX and FMC_DA4."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH1N, UART7_TX and FMC_DA5."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH1 and FMC_DA6."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH2N and FMC_DA7."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH2, SPI1_NSS, I2S1_WS and FMC_DA8."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH3N, SPI1_SCK, I2S1_CK and FMC_DA9."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH3, SPI1_MISO, I2S1_MCK and FMC_DA10."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH4, SPI1_MOSI, I2S1_SD and FMC_DA11."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_BKIN and FMC_DA12."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH3, I2C2_SCL, SPI2_SCK, I2S2_CK and UART3_TX."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM2_CH4, I2C2_SDA and UART3_RX."
      },
      {
        "number": "49",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "50",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 V to 5.5 V (typical 3.3 V) for the I/O pins and internal regulator."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_BKIN, SPI2_NSS and I2S2_WS."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH1N, SPI2_SCK, I2S2_CK and UART3_CTS."
      },
      {
        "number": "53",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH2N, TIM8_CH2N, SPI2_MISO, I2S2_MCK and UART3_RTS."
      },
      {
        "number": "54",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH3N, TIM8_CH3N, SPI2_MOSI and I2S2_SD; additional function WKP5."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions UART3_TX and FMC_DA13."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions UART3_RX and FMC_DA14."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C1_SCL and FMC_DA15."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions I2C1_SDA, UART3_CTS and FMC_A16."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH1, SPI3_SCK, I2S3_CK, UART3_RTS and FMC_A17."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH2, SPI3_MISO, I2S3_MCK and FMC_A18."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH3, SPI3_MOSI and FMC_DA0."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH4, SPI3_NSS, I2S3_WS and FMC_DA1."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM3_CH1, TIM8_CH1, I2C1_SCL, SPI2_MISO, I2S2_MCK and UART6_TX."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM3_CH2, TIM8_CH2, I2C1_SDA, SPI3_MISO, I2S3_MCK and UART6_RX."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM3_CH3, TIM8_CH3, I2C2_SCL and SDIO_D0."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions MCO2, TIM3_CH4, TIM8_CH4, I2C2_SDA and SDIO_D1."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions MCO1 and TIM1_CH1."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH2, I2C1_SCL and UART1_TX; USB_VBUS when USB is enabled, pin is then dedicated to USB function."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH3, I2C1_SDA and UART1_RX; USB_ID when USB is enabled, pin is then dedicated to USB function."
      },
      {
        "number": "70",
        "name": "PA11",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_CH4, UART1_CTS, CPT1_OUT and CAN1_RX; USBDM when USB is enabled, pin is then dedicated to USB function."
      },
      {
        "number": "71",
        "name": "PA12",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM1_ETR, UART1_RTS, CPT2_OUT and CAN1_TX; USBDP when USB is enabled, pin is then dedicated to USB function."
      },
      {
        "number": "72",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; main function JTMS_SWDIO and alternate function USB_VBUS_ON."
      },
      {
        "number": "73",
        "name": "PH2",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; no alternate function listed."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "75",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 V to 5.5 V (typical 3.3 V) for the I/O pins and internal regulator."
      },
      {
        "number": "76",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; main function JTCK_SWCLK and alternate function I2C1_SDA."
      },
      {
        "number": "77",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; main function JTDI and alternate functions TIM2_CH1, TIM2_ETR, I2C1_SCL, SPI1_NSS, I2S1_WS, SPI3_NSS and I2S3_WS."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_SCK, I2S3_CK, UART3_TX, UART4_TX and SDIO_D2."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_MISO, I2S3_MCK, UART3_RX, UART4_RX and SDIO_D3."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_MOSI, UART5_TX and SDIO_CK."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions UART8_TX, CAN1_RX and FMC_DA2."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions UART8_RX, CAN1_TX and FMC_DA3."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM3_ETR, UART5_RX and SDIO_CMD."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI2_SCK, I2S2_CK, UART2_CTS and FMC_CLK."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_SCK, I2S3_CK, UART2_RTS and FMC_NOE."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_MISO, I2S3_MCK, UART2_TX and FMC_NWE."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_MOSI, I2S3_SD, UART2_RX and FMC_NWAIT."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions SPI3_NSS, I2S3_WS and FMC_NE1."
      },
      {
        "number": "89",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; main function JTDO and alternate functions TIM2_CH2, SPI1_SCK, I2S1_CK, SPI3_SCK and I2S3_CK."
      },
      {
        "number": "90",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; main function NJTRST and alternate functions TIM3_CH1, SPI1_MISO, I2S1_MCK, SPI3_MISO and I2S3_MCK."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM3_CH2, SPI1_MOSI, I2S1_SD, SPI3_MOSI and I2S3_SD; additional function WKP4."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH1, I2C1_SCL, UART1_TX and UART7_TX."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH2, I2C1_SDA, UART1_RX, UART7_RX and FMC_NADV."
      },
      {
        "number": "94",
        "name": "PH3",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; additional function BOOT0 used for boot mode selection."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH3, I2C1_SCL, CPT1_OUT and CAN1_RX."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_CH4, I2C1_SDA, SPI2_NSS, I2S2_WS, CPT2_OUT and CAN1_TX."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions TIM4_ETR, UART8_RX and FMC_NBL0."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "Standard I/O (TC type), input signal must not exceed VDD; alternate functions UART8_TX and FMC_NBL1."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "100",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply 2.0 V to 5.5 V (typical 3.3 V) for the I/O pins and internal regulator."
      }
    ],
    "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: Package mapping is inferred, not stated per suffix. The ordering table (Table 2-1) lists GAQ/G6P/G7P; NRST (pin 14) is listed as I/O in Table 3-1. It is typed here as input because Section 4.3.13 descri; PH0 and PH1 (pins 12, 13) are listed as I/O in Table 3-1 with OSC_IN/OSC_OUT as additional functions"
        ],
        "pages_sent": 79,
        "cost_usd": 0.355,
        "at": "2026-10-20T10:12:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589808060975263744",
        "pages": 96,
        "sha256": "e40e1345aed0e077",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mm32f3273g8p.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "51720097260ffba41c3062f85f67623721102fa535901c47cb555a1f444feeb3",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mm32f3273g8p-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          16.0,
          16.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7a52d14912a92babd721dc6137ecaec7025c39e0e2a288f19fd91d1ac35e14a2",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}