N32G452REL7

{
  "schema_version": 1,
  "type": "component",
  "slug": "n32g452rel7",
  "title": "N32G452REL7",
  "brief": "Nations Technologies Inc Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "n32g452rel7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "N32G452REL7",
    "manufacturer": "Nations Technologies Inc",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589042181021974528",
    "parts": {
      "symbol": "n32g452rel7.kicad_sym",
      "footprint": "n32g452rel7.kicad_mod",
      "model_3d": "n32g452rel7-hero.glb",
      "model_3d_plain": "n32g452rel7-etched.glb",
      "model_3d_step": "n32g452rel7-etched.step",
      "model_3d_step_plain": "n32g452rel7.step",
      "lbr": "n32g452rel7.lbr"
    },
    "distributor_links": {
      "lcsc": "C3003083"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:19:22Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply, 1.8-3.6 V, powers the RTC, the external 32.768 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (default PC13, alternate TAMPER-RTC) fed through a power switch that sources only 3 mA total for PC13-PC15; as output it is limited to 2 MHz mode, 30 pF load and 3 mA combined."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (default PC14, alternate OSC32_IN) under the same 3 mA combined output limit as PC13-PC15 (2 MHz mode, 30 pF max load)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (default PC15, alternate OSC32_OUT) under the same 3 mA combined output limit as PC13-PC15 (2 MHz mode, 30 pF max load)."
      },
      {
        "number": "5",
        "name": "OSC_IN",
        "type": "input",
        "description": "High-speed external oscillator input for a 4-32 MHz crystal/resonator or bypass clock; on LQFP64 it can be remapped to PD0 by software."
      },
      {
        "number": "6",
        "name": "OSC_OUT",
        "type": "output",
        "description": "High-speed external oscillator output for a 4-32 MHz crystal/resonator; on LQFP64 it can be remapped to PD1 by software."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "CMOS reset input with a non-disconnectable internal pull-up (30-70 kΩ at 3.3 V); input pulses shorter than 100 ns are filtered."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC12_IN6, I2C3_SCL and UART6_TX alternate functions."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC12_IN7, I2C3_SDA and UART6_RX alternate functions."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC12_IN8, UART7_TX, SPI3_NSS and I2S3_WS alternate functions."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC12_IN9, UART7_RX, SPI3_SCK and I2S3_CK alternate functions."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and DAC, must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC and DAC, 1.8-3.6 V, must be the same supply as VDD (at most 300 mV difference during power-up and normal operation)."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with WKUP wake-up input, ADC1_IN1, USART2_CTS, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR and SPI3_MISO alternate functions."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC1_IN2, USART2_RTS, TIM5_CH2, TIM2_CH2, SPI3_MOSI and I2S3_SD alternate functions."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with USART2_TX, TIM5_CH3, ADC12_IN11 and TIM2_CH3 alternate functions."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with USART2_RX, TIM5_CH4, ADC1_IN4 and TIM2_CH4 alternate functions."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin for the digital core and I/O ring."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply for the I/O pins and internal voltage regulator, 1.8-3.6 V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with SPI1_NSS, USART2_CK, DAC_OUT1, ADC2_IN1, QSPI_NSS and I2C2_SCL alternate functions."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with SPI1_SCK, DAC_OUT2, ADC2_IN2, QSPI_SCK and I2C2_SDA alternate functions."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with SPI1_MISO, TIM8_BKIN, ADC1_IN3, TIM3_CH1, QSPI_IO0 and TIM1_BKIN alternate functions."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with SPI1_MOSI, TIM8_CH1N, ADC2_IN4, TIM3_CH2, QSPI_IO1 and TIM1_CH1N alternate functions."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC2_IN5, QSPI_IO2, UART7_TX and I2C3_SCL alternate functions."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC2_IN12, QSPI_IO3, UART7_RX and I2C3_SDA alternate functions."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with TIM3_CH3, TIM8_CH2N, TIM1_CH2N and UART6_TX alternate functions."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O with ADC2_IN3, TIM3_CH4, TIM8_CH3N, TIM1_CH3N and UART6_RX alternate functions."
      },
      {
        "number": "28",
        "name": "PB2-BOOT1",
        "type": "bidirectional",
        "description": "3.3 V tolerant analog-capable I/O (default BOOT1, boot-mode select together with BOOT0) with ADC2_IN13, UART4_TX and SPI1_NSS alternate functions."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with I2C2_SCL, USART3_TX and TIM2_CH3 alternate functions."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with I2C2_SDA, USART3_RX and TIM2_CH4 alternate functions."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the digital core and I/O ring."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply for the I/O pins and internal voltage regulator, 1.8-3.6 V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN and CAN2_RX alternate functions."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX and UART5_TX alternate functions."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with SPI2_MISO, TIM1_CH2N, USART3_RTS and UART5_RX alternate functions."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with SPI2_MOSI, I2S2_SD and TIM1_CH3N alternate functions."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with I2S2_MCK, TIM8_CH1, SDIO_DAT6, I2C4_SCL, TIM3_CH1, SPI2_NSS, I2S2_WS and USART2_CTS alternate functions."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with I2S3_MCK, TIM8_CH2, SDIO_DAT7, I2C4_SDA, TIM3_CH2, SPI2_SCK, I2S2_CK and USART2_RTS alternate functions."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with TIM8_CH3, SDIO_DAT0, TIM3_CH3, SPI2_MISO and USART2_TX alternate functions."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with TIM8_CH4, SDIO_DAT1, TIM3_CH4, SPI2_MOSI, I2S2_SD and USART2_RX alternate functions."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USART1_CK, TIM1_CH1 and MCO clock output alternate functions."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USART1_TX, TIM1_CH2 and I2C4_SCL alternate functions."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USART1_RX, TIM1_CH3 and I2C4_SDA alternate functions."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USART1_CTS, USBDM, CAN1_RX and TIM1_CH4 alternate functions."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with USART1_RTS, USBDP, CAN1_TX and TIM1_ETR alternate functions."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5 V tolerant I/O whose default function after reset is JTMS-SWDIO (SWD data), with UART4_TX as alternate function."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the digital core and I/O ring."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply for the I/O pins and internal voltage regulator, 1.8-3.6 V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5 V tolerant I/O whose default function after reset is JTCK-SWCLK (SWD clock), with UART4_RX as alternate function."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5 V tolerant I/O whose default function after reset is JTDI, with SPI3_NSS, I2S3_WS, TIM2_CH1_ETR, SPI1_NSS, USART2_CTS and TIM8_CH1N alternate functions."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with UART4_TX, SDIO_DAT2, USART3_TX, SPI3_SCK, I2S3_CK and QSPI_NSS alternate functions."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with UART4_RX, SDIO_DAT3, USART3_RX, SPI3_MISO and QSPI_SCK alternate functions."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with UART5_TX, SDIO_CLK, USART3_CK, SPI3_MOSI, I2S3_SD, QSPI_IO0 and TIM8_CH2N alternate functions."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O (fail-safe supported) with TIM3_ETR, UART5_RX, SPI3_NSS, I2S3_WS, SDIO_CMD, QSPI_IO3 and TIM8_CH3N alternate functions."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5 V tolerant I/O whose default function after reset is JTDO, with TRACESWO, TIM2_CH2, SPI1_SCK, USART2_RTS, TIM8_BKIN, SPI3_SCK and I2S3_CK alternate functions."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5 V tolerant I/O whose default function after reset is NJTRST (JTAG reset), with TIM3_CH1, SPI1_MISO, USART2_TX, TIM8_ETR and SPI3_MISO alternate functions."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5 V tolerant I/O with I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, CAN2_RX, USART2_RX and TIM1_BKIN alternate functions."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with I2C1_SCL, TIM4_CH1, USART1_TX and CAN2_TX alternate functions."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with I2C1_SDA, TIM4_CH2 and USART1_RX alternate functions."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot mode select input (with BOOT1) for startup from main Flash, system memory or internal SRAM; configured as input pull-down after reset."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with TIM4_CH3, SDIO_DAT4, I2C1_SCL, CAN1_RX and UART5_TX alternate functions."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Standard 3.3 V I/O with TIM4_CH4, SDIO_DAT5, I2C1_SDA, CAN1_TX and UART5_RX alternate functions."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the digital core and I/O ring."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply for the I/O pins and internal voltage regulator, 1.8-3.6 V."
      }
    ],
    "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 pin-table row for VDDA/VREF+ is column-scrambled in the extracted text. LQFP64 pin 13 was assign; Supply and limit values quoted in these descriptions (VDD/VDDA 1.8–3.6 V, PC13–PC15 3 mA limit, NRST; The PC13–PC15 current limits come from note 4 of table 3-1 (page 38); each pin is listed at the same"
        ],
        "pages_sent": 68,
        "cost_usd": 0.348,
        "at": "2026-10-18T11:17:03"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589042181021974528",
        "pages": 84,
        "sha256": "d029c2b36655fb32",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "n32g452rel7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "n32g452rel7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ee18f008b85a08a222a0a427791fb251436d60f62be924713c045c14248182a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nations Technologies Inc",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d029c2b36655fb32fbe3e6671464351d2eee494f20d9729a47973d6a743da97e",
      "rows": [
        {
          "name": "Output low-level voltage, VDD=3.3V",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD = 3.3 V, IOL= 2mA, 4mA, 8mA, and 12mA",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Output low-level voltage, VDD=2.5V",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD = 2.5 V, IOL= 1.5mA,3mA, 7mA, and 11mA",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Output high-level voltage, VDD=3.3V",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VDD = 3.3 V, IOH= -2mA, -4mA, -8mA, and -12mA",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Output high-level voltage, VDD=2.5V",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": null,
          "conditions": "VDD = 2.5 V, IOH= -1.5mA, -3mA, -7mA, and -11mA",
          "source_page": 55,
          "source": "datasheet"
        },
        {
          "name": "Maximum output frequency, 2mA drive, VDD=3.3V",
          "symbol": "fmax(IO)out",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "DS_CFGy=0, PMODEy[1:0]=xx (2mA); CL=5pF, VDD=3.3V",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "Maximum output frequency, 2mA drive, VDD=2.5V",
          "symbol": "fmax(IO)out",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "DS_CFGy=0, PMODEy[1:0]=xx (2mA); CL=5pF, VDD=2.5V",
          "source_page": 56,
          "source": "datasheet"
        },
        {
          "name": "Maximum output frequency, 2mA drive, VDD=1.8V",
          "symbol": "fmax(IO)out",
          "kind": "timing",
          "unit": "MHz",
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