N32G451RCL7

{
  "schema_version": 1,
  "type": "component",
  "slug": "n32g451rcl7",
  "title": "N32G451RCL7",
  "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",
    "n32g451rcl7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "N32G451RCL7",
    "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/8757135428610592768",
    "parts": {
      "symbol": "n32g451rcl7.kicad_sym",
      "footprint": "n32g451rcl7.kicad_mod",
      "model_3d": "n32g451rcl7-hero.glb",
      "model_3d_plain": "n32g451rcl7-etched.glb",
      "model_3d_step": "n32g451rcl7-etched.step",
      "model_3d_step_plain": "n32g451rcl7.step",
      "lbr": "n32g451rcl7.lbr"
    },
    "distributor_links": {
      "lcsc": "C19269708"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:38:11Z",
      "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, 1.8-3.6V, powers the RTC, the external 32 kHz oscillator and the backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) fed through a power switch limited to 3 mA total for PC13-PC15; as an output it is limited to 2 MHz mode with a 30 pF maximum load, and its function is held by backup-region registers after first power-up."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) on the same 3 mA power-switch limit as PC13-PC15; it serves as OSC32_IN for the 32.768 kHz LSE crystal."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) on the same 3 mA power-switch limit as PC13-PC15; it serves as OSC32_OUT for the 32.768 kHz LSE crystal."
      },
      {
        "number": "5",
        "name": "PD0-OSC_IN",
        "type": "input",
        "description": "Default HSE oscillator input (OSC_IN, 4-32 MHz crystal or bypass clock) after reset, and it can be reassigned in software to PD0 as a general-purpose I/O."
      },
      {
        "number": "6",
        "name": "PD1-OSC_OUT",
        "type": "output",
        "description": "Default HSE oscillator output (OSC_OUT) after reset, and it can be reassigned in software to PD1 as a general-purpose I/O."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Active-low reset pin with an internal pull-up of 30-70 kOhm (50 kOhm typical at 3.3V) that filters input pulses shorter than 100 ns."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC12_IN6, with alternate functions I2C3_SCL and UART6_TX."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC12_IN7, with alternate functions I2C3_SDA and UART6_RX."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC12_IN8, with alternate functions UART7_TX, SPI3_NSS and I2S3_WS."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC12_IN9, with alternate functions UART7_RX, SPI3_SCK and I2S3_CK."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and DAC, which must be connected to VSS."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for the ADC and DAC, 1.8-3.6V, which must be the same as VDD (at most 300 mV difference during power-up and operation)."
      },
      {
        "number": "14",
        "name": "PA0-WKUP",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that also serves as the WKUP wake-up input and ADC1_IN1, with alternate functions USART2_CTS, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR and SPI3_MISO."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC1_IN2, with alternate functions USART2_RTS, TIM5_CH2, TIM2_CH2, SPI3_MOSI and I2S3_SD."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC12_IN11, with alternate functions USART2_TX, TIM5_CH3 and TIM2_CH3."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC1_IN4, with alternate functions USART2_RX, TIM5_CH4 and TIM2_CH4."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core, which must be connected to the system ground."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and internal regulator, 1.8-3.6V."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as DAC_OUT1 or ADC2_IN1, with alternate functions SPI1_NSS, USART2_CK and I2C2_SCL."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as DAC_OUT2 or ADC2_IN2, with alternate functions SPI1_SCK and I2C2_SDA."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC1_IN3, with alternate functions SPI1_MISO, TIM8_BKIN, TIM3_CH1 and TIM1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC2_IN4, with alternate functions SPI1_MOSI, TIM8_CH1N, TIM3_CH2 and TIM1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC2_IN5, with alternate functions UART7_TX and I2C3_SCL."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC2_IN12, with alternate functions UART7_RX and I2C3_SDA."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions TIM3_CH3, TIM8_CH2N, TIM1_CH2N and UART6_TX."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that can be used as ADC2_IN3, with alternate functions TIM3_CH4, TIM8_CH3N, TIM1_CH3N and UART6_RX."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "3.3V-tolerant analog-capable I/O (TTa) that is shared with the BOOT1 boot-mode selection, with alternate functions ADC2_IN13, UART4_TX and SPI1_NSS."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions I2C2_SCL, USART3_TX and TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions I2C2_SDA, USART3_RX and TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core, which must be connected to the system ground."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and internal regulator, 1.8-3.6V."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK and TIM1_BKIN."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N and UART5_TX."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions SPI2_MISO, TIM1_CH2N, USART3_RTS and UART5_RX."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with alternate functions SPI2_MOSI, I2S2_SD and TIM1_CH3N."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions I2S2_MCK, TIM8_CH1, SDIO_DAT6, I2C4_SCL, TIM3_CH1, SPI2_NSS, I2S2_WS and USART2_CTS."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions I2S3_MCK, TIM8_CH2, SDIO_DAT7, I2C4_SDA, TIM3_CH2, SPI2_SCK, I2S2_CK and USART2_RTS."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions TIM8_CH3, SDIO_DAT0, TIM3_CH3, SPI2_MISO and USART2_TX."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions TIM8_CH4, SDIO_DAT1, TIM3_CH4, SPI2_MOSI, I2S2_SD and USART2_RX."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions USART1_CK, TIM1_CH1 and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions USART1_TX, TIM1_CH2 and I2C4_SCL."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions USART1_RX, TIM1_CH3 and I2C4_SDA."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions USART1_CTS, USBDM, CAN1_RX and TIM1_CH4."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions USART1_RTS, USBDP, CAN1_TX and TIM1_ETR."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support; its default function after reset is JTMS-SWDIO, with alternate function UART4_TX."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core, which must be connected to the system ground."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and internal regulator, 1.8-3.6V."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support; its default function after reset is JTCK-SWCLK, with alternate function UART4_RX."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support; its default function after reset is JTDI, with alternate functions SPI3_NSS, I2S3_WS and TIM2_CH1_ETR."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions UART4_TX, SDIO_DAT2, USART3_TX, SPI3_SCK and I2S3_CK."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions UART4_RX, SDIO_DAT3, USART3_RX and SPI3_MISO."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions UART5_TX, SDIO_CLK, USART3_CK, SPI3_MOSI, I2S3_SD and TIM8_CH2N."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions TIM3_ETR, UART5_RX, SDIO_CMD, SPI3_NSS, I2S3_WS and TIM8_CH3N."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support; its default function after reset is JTDO, with alternate functions TRACESWO, TIM2_CH2, SPI1_SCK, USART2_RTS and SPI3_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support; its default function after reset is NJTRST, with alternate functions TIM3_CH1, SPI1_MISO, USART2_TX and SPI3_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5V-tolerant I/O (FT) with fail-safe support, with alternate functions I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, USART2_RX and TIM1_BKIN."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions I2C1_SCL, TIM4_CH1 and USART1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions I2C1_SDA, TIM4_CH2 and USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode select input with an internal pull-down, which together with BOOT1 selects flash, system-memory or SRAM boot after reset."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions TIM4_CH3, SDIO_DAT4, I2C1_SCL, CAN1_RX and UART5_TX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Standard 3.3V I/O (TC) with fail-safe support, with alternate functions TIM4_CH4, SDIO_DAT5, I2C1_SDA, CAN1_TX and UART5_RX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core, which must be connected to the system ground."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply pin for the I/O and internal regulator, 1.8-3.6V."
      }
    ],
    "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: Pin 13 conflict: the pin-definition table (page 31) lists VREF+ against LQFP64 pin 13, but the LQFP6; Pins 5 and 6 are listed in the table as OSC_IN and OSC_OUT (default after reset) and are named PD0-O; NRST is typed as I/O in the pin table; it is recorded as bidirectional per the table. Electrically i"
        ],
        "pages_sent": 63,
        "cost_usd": 0.3119,
        "at": "2026-10-18T19:37:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757135428610592768",
        "pages": 76,
        "sha256": "dbeae2e3a5d0603f",
        "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": "n32g451rcl7.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": "n32g451rcl7-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": "520ce9b16440088f67545f6c4275f5924d990a940ccaddb6e1a758850fe29ded",
        "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": "dbeae2e3a5d0603f25c37b4e0dc13c1596bede4e2fda9bc228cfdb42bad8b266",
      "rows": [
        {
          "name": "Output low voltage (3.3 V domain)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD = 3.3 V, IOL = 2, 4, 8, 12 mA; min printed as VSS",
          "source_page": 52,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage (2.5 V domain)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VDD = 2.5 V, IOL = 1.5, 3, 7, 11 mA; min printed as VSS",
          "source_page": 52,
          "source": "datasheet"
        },
        {
          "name": "Output high voltage (3.3 V domain)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VDD = 3.3 V, IOH = -2, -4, -8, -12 mA; PC13/PC14/PC15 excluded",
          "source_page": 52,
          "source": "datasheet"
        },
        {
          "name": "Output high voltage (2.5 V domain)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": null,
          "conditions": "VDD = 2.5 V, IOH = -1.5, -3, -7, -11 mA; PC13/PC14/PC15 excluded",
          "source_page": 52,
          "source": "datasheet"
        },
        {
          "name": "I/O max frequency, drive 2 mA",
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