[
  {
    "numero": "1",
    "nome": "ANT_2G",
    "tipo": "analog",
    "funcoes": [
      "RF antenna connection (Wi-Fi and Bluetooth)"
    ],
    "categorias": [
      "Antenna",
      "RF"
    ],
    "avisos": [
      "Dedicated 2.4 GHz RF pin. Requires 50-ohm impedance matching."
    ]
  },
  {
    "numero": "2",
    "nome": "VDDA3",
    "tipo": "power",
    "funcoes": [
      "3.3V analog domain power supply"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Recommended voltage: 3.3V (3.0V to 3.6V). Supplies power to RF and clock circuits."
    ]
  },
  {
    "numero": "3",
    "nome": "VDDA4",
    "tipo": "power",
    "funcoes": [
      "3.3V analog domain power supply"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Recommended voltage: 3.3V (3.0V to 3.6V). Supplies power to RF and clock circuits."
    ]
  },
  {
    "numero": "4",
    "nome": "CHIP_PU",
    "tipo": "analog",
    "funcoes": [
      "Enable chip (Power-up / Reset)"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Active High. Pull high to enable chip boot.",
      "Do not leave this pin floating. An external RC circuit is recommended for clean reset."
    ]
  },
  {
    "numero": "5",
    "nome": "VDDPST1",
    "tipo": "power",
    "funcoes": [
      "Digital power supply for HP (High Performance) and LP (Low Power) domains"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Recommended voltage: 3.3V. Powers low-power digital circuitry and associated pins."
    ]
  },
  {
    "numero": "6",
    "nome": "GPIO0",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO0",
      "XTAL_32K_P"
    ],
    "categorias": [
      "GPIO",
      "Clock"
    ],
    "avisos": [
      "Low-power multifunction pin. Can connect to external 32 kHz crystal (Input P)."
    ]
  },
  {
    "numero": "7",
    "nome": "GPIO1",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO1",
      "XTAL_32K_N",
      "ADC1_CH0"
    ],
    "categorias": [
      "GPIO",
      "Clock",
      "ADC"
    ],
    "avisos": [
      "Multifunction pin. External 32 kHz crystal connection (Output N) and ADC1 Channel 0 analog input."
    ]
  },
  {
    "numero": "8",
    "nome": "GPIO2",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO2"
    ],
    "categorias": [
      "GPIO"
    ]
  },
  {
    "numero": "9",
    "nome": "GPIO3",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO3",
      "MTMS",
      "ADC1_CH1"
    ],
    "categorias": [
      "GPIO",
      "JTAG",
      "ADC",
      "Strapping"
    ],
    "avisos": [
      "Multifunction pin: JTAG MTMS, ADC1 Channel 1, and Strapping pin for SDIO clock edge control.",
      "Floating by default during reset."
    ]
  },
  {
    "numero": "10",
    "nome": "GPIO4",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO4",
      "MTDI",
      "ADC1_CH2"
    ],
    "categorias": [
      "GPIO",
      "JTAG",
      "ADC",
      "Strapping"
    ],
    "avisos": [
      "Multifunction pin: JTAG MTDI, ADC1 Channel 2, and Strapping pin for SDIO clock edge control.",
      "Floating by default during reset."
    ]
  },
  {
    "numero": "11",
    "nome": "GPIO5",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO5",
      "MTCK",
      "ADC1_CH3"
    ],
    "categorias": [
      "GPIO",
      "JTAG",
      "ADC"
    ],
    "avisos": [
      "Multifunction pin: JTAG MTCK and ADC1 Channel 3 analog input."
    ]
  },
  {
    "numero": "12",
    "nome": "GPIO6",
    "tipo": "io",
    "alimentacao": [
      "VDDPST1"
    ],
    "funcoes": [
      "GPIO6",
      "MTDO"
    ],
    "categorias": [
      "GPIO",
      "JTAG"
    ],
    "avisos": [
      "Multifunction pin: JTAG MTDO."
    ]
  },
  {
    "numero": "13",
    "nome": "GPIO25",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO25",
      "SDIO_CMD",
      "FSPICS0"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed multifunction pin: SDIO Command or SPI2 Chip Select 0."
    ]
  },
  {
    "numero": "14",
    "nome": "GPIO26",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO26",
      "SDIO_CLK",
      "FSPICLK"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed multifunction pin: SDIO Clock or SPI2 Clock."
    ]
  },
  {
    "numero": "15",
    "nome": "GPIO27",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO27",
      "SDIO_DATA0",
      "FSPID"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed multifunction pin: SDIO Data 0 or SPI2 MOSI (FSPID)."
    ]
  },
  {
    "numero": "16",
    "nome": "GPIO28",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO28",
      "SDIO_DATA1",
      "FSPIQ"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed pin: SDIO Data 1 or SPI2 MISO (FSPIQ)."
    ]
  },
  {
    "numero": "17",
    "nome": "GPIO22",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO22",
      "SDIO_DATA2",
      "FSPIWP"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed pin: SDIO Data 2 or SPI2 Write Protect."
    ]
  },
  {
    "numero": "18",
    "nome": "GPIO23",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO23",
      "SDIO_DATA3",
      "FSPIHD"
    ],
    "categorias": [
      "GPIO",
      "SDIO",
      "SPI"
    ],
    "avisos": [
      "High-speed pin: SDIO Data 3 or SPI2 Hold."
    ]
  },
  {
    "numero": "19",
    "nome": "GPIO14",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO14",
      "SPICS1"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Dedicated Chip Select 1 pin for SPI Flash/PSRAM memory interface."
    ]
  },
  {
    "numero": "20",
    "nome": "GPIO15",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO15",
      "SPICS0"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Dedicated Chip Select 0 pin for SPI Flash memory interface."
    ]
  },
  {
    "numero": "21",
    "nome": "VDDPST2",
    "tipo": "power",
    "funcoes": [
      "HP (High Performance) digital domain power supply"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Recommended voltage: 3.3V (3.0V to 3.6V). Powers high-speed digital interfaces."
    ]
  },
  {
    "numero": "22",
    "nome": "GPIO16",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO16",
      "SPIQ"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Data Q (MISO) pin for SPI flash memory interface."
    ]
  },
  {
    "numero": "23",
    "nome": "GPIO17",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO17",
      "SPIWP"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Write Protect pin for SPI flash memory interface."
    ]
  },
  {
    "numero": "24",
    "nome": "VDD_SPI",
    "tipo": "power",
    "funcoes": [
      "LDO output voltage generated from VDDPST2 to power Flash and PSRAM"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Software-configurable output voltage matching internal/external flash specs (typically 3.3V or 1.8V).",
      "Must not be used as a general high-current power source."
    ]
  },
  {
    "numero": "25",
    "nome": "GPIO19",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO19",
      "SPIHD"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Hold control pin for SPI flash memory interface."
    ]
  },
  {
    "numero": "26",
    "nome": "GPIO20",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO20",
      "SPICLK"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Clock signal pin for SPI flash memory interface."
    ]
  },
  {
    "numero": "27",
    "nome": "GPIO21",
    "tipo": "io",
    "alimentacao": [
      "VDD_SPI",
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO21",
      "SPID"
    ],
    "categorias": [
      "GPIO",
      "SPI"
    ],
    "avisos": [
      "Data D (MOSI) pin for SPI flash memory interface."
    ]
  },
  {
    "numero": "28",
    "nome": "GPIO12",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO12",
      "USB_D-"
    ],
    "categorias": [
      "GPIO",
      "USB"
    ],
    "avisos": [
      "Negative signal pin of integrated USB Serial/JTAG transceiver."
    ]
  },
  {
    "numero": "29",
    "nome": "GPIO13",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO13",
      "USB_D+"
    ],
    "categorias": [
      "GPIO",
      "USB"
    ],
    "avisos": [
      "Positive signal pin of integrated USB Serial/JTAG transceiver.",
      "Equipped with integrated pull-up enabled by default during USB initialization."
    ]
  },
  {
    "numero": "30",
    "nome": "GPIO24",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO24"
    ],
    "categorias": [
      "GPIO"
    ]
  },
  {
    "numero": "31",
    "nome": "GPIO8",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO8"
    ],
    "categorias": [
      "GPIO",
      "Strapping"
    ],
    "avisos": [
      "Strapping pin for boot mode selection and ROM log printing control.",
      "Floating by default during reset. High level (1) enables boot log printing."
    ]
  },
  {
    "numero": "32",
    "nome": "GPIO9",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO9"
    ],
    "categorias": [
      "GPIO",
      "Strapping"
    ],
    "avisos": [
      "Primary Strapping pin for boot mode selection.",
      "Equipped with integrated weak pull-up. High level (1) at reset enables SPI Boot (loads from flash). Low level (0) forces Download mode."
    ]
  },
  {
    "numero": "33",
    "nome": "GPIO10",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO10",
      "U0RXD"
    ],
    "categorias": [
      "GPIO",
      "UART"
    ],
    "avisos": [
      "UART0 serial reception (Serial RX for firmware flashing and debugging)."
    ]
  },
  {
    "numero": "34",
    "nome": "GPIO11",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO11",
      "U0TXD"
    ],
    "categorias": [
      "GPIO",
      "UART"
    ],
    "avisos": [
      "UART0 serial transmission (Serial TX for external firmware flashing and debugging)."
    ]
  },
  {
    "numero": "35",
    "nome": "GPIO29",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO29"
    ],
    "categorias": [
      "GPIO"
    ]
  },
  {
    "numero": "36",
    "nome": "GPIO7",
    "tipo": "io",
    "alimentacao": [
      "VDDPST2"
    ],
    "funcoes": [
      "GPIO7"
    ],
    "categorias": [
      "GPIO",
      "Strapping"
    ],
    "avisos": [
      "Strapping pin for JTAG signal source selection (early boot).",
      "No internal pull resistors at reset. Must be kept stable by external circuitry if used."
    ]
  },
  {
    "numero": "37",
    "nome": "VDDA1",
    "tipo": "power",
    "funcoes": [
      "3.3V analog domain power supply"
    ],
    "categorias": [
      "Power"
    ]
  },
  {
    "numero": "38",
    "nome": "XTAL_N",
    "tipo": "analog",
    "funcoes": [
      "External 40 MHz crystal oscillator connection (Output N)"
    ],
    "categorias": [
      "Clock"
    ]
  },
  {
    "numero": "39",
    "nome": "XTAL_P",
    "tipo": "analog",
    "funcoes": [
      "External 40 MHz crystal oscillator connection (Input P)"
    ],
    "categorias": [
      "Clock"
    ]
  },
  {
    "numero": "40",
    "nome": "VDDA2",
    "tipo": "power",
    "funcoes": [
      "3.3V analog domain power supply"
    ],
    "categorias": [
      "Power"
    ]
  },
  {
    "numero": "41",
    "nome": "GND",
    "tipo": "power",
    "funcoes": [
      "Center ground pad (Exposed Pad)"
    ],
    "categorias": [
      "Power"
    ],
    "avisos": [
      "Must be properly soldered to the PCB ground plane (GND) for stable RF and thermal performance."
    ]
  }
]