N32L406CBL7

{
  "slug": "n32l406cbl7",
  "version": "0.1.0",
  "type": "component",
  "description": "Nations Technologies Inc Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "n32l406cbl7",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "n32l406cbl7.kicad_sym",
    "n32l406cbl7.kicad_mod",
    "n32l406cbl7.glb",
    "n32l406cbl7.step",
    "n32l406cbl7.lbr",
    "docs/hero.png",
    "docs/n32l406cbl7-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "n32l406cbl7-hero.glb",
    "n32l406cbl7-hero.overlay.json",
    "n32l406cbl7-etched.glb"
  ],
  "component": {
    "mpn": "N32L406CBL7",
    "manufacturer": "Nations Technologies Inc",
    "package": "LQFP-48(7x7)",
    "pin_count": 48,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040211338661889",
    "parts": {
      "symbol": "n32l406cbl7.kicad_sym",
      "footprint": "n32l406cbl7.kicad_mod",
      "model_3d": "n32l406cbl7-hero.glb",
      "model_3d_plain": "n32l406cbl7-etched.glb",
      "model_3d_step": "n32l406cbl7-etched.step",
      "model_3d_step_plain": "n32l406cbl7.step",
      "lbr": "n32l406cbl7.lbr"
    },
    "distributor_links": {
      "lcsc": "C2981444"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T19:32:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VLCD",
        "type": "power_in",
        "description": "Segment LCD supply pin; it can be driven from an external supply (connect VLCD to VDD) or used with the internal boost converter, which requires a 1 µF capacitor on VLCD."
      },
      {
        "number": "2",
        "name": "PC13-TAMPER-RTC",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that can only sink limited current (3 mA); as an output it allows only one such pin at a time, 2 MHz mode, 30 pF maximum load and no current-source use. Alternates include TIM1_CH1N, LCD_SEG35, TAMP1-RTC, RTC_OUT and WKUP2."
      },
      {
        "number": "3",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with the same 3 mA and output restrictions as PC13; it serves as the LSE 32.768 kHz oscillator input (OSC32_IN)."
      },
      {
        "number": "4",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with the same 3 mA and output restrictions as PC13; it serves as the LSE 32.768 kHz oscillator output (OSC32_OUT)."
      },
      {
        "number": "5",
        "name": "PD14-OSC_IN",
        "type": "bidirectional",
        "description": "3.3V standard I/O, not fail-safe; it serves as the HSE 4-32 MHz oscillator input (OSC_IN) and also carries USART2_TX, I2C2_SDA and TIM1_CH3N."
      },
      {
        "number": "6",
        "name": "PD15-OSC_OUT",
        "type": "bidirectional",
        "description": "3.3V standard I/O, not fail-safe; it serves as the HSE oscillator output (OSC_OUT) and also carries USART2_RX and I2C2_SCL."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "input",
        "description": "Reset input with a non-disconnectable internal pull-up of 40-60 kΩ at 3.3 V; input filter pulses under 100 ns are ignored and pulses over 300 ns are not filtered."
      },
      {
        "number": "8",
        "name": "VSSA",
        "type": "power_in",
        "description": "Ground for the analog section (ADC, DAC, OPAMP, COMP, TSC), which must be connected to VSS; also serves as the VREF- reference ground."
      },
      {
        "number": "9",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADC, DAC, OPAMP, COMP and TSC, 1.8-3.6 V, which must be the same supply as VDD (at most 300 mV difference during power-up and operation); also serves as VREF+."
      },
      {
        "number": "10",
        "name": "PA0",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN1, COMP1_OUT, WKUP1 and TIM2_CH1/TIM5_CH1 alternate functions."
      },
      {
        "number": "11",
        "name": "PA1",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC1_IN2, LCD_SEG0, LPUART_TX and TIM5_CH2 alternate functions."
      },
      {
        "number": "12",
        "name": "PA2",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN3, COMP2_OUT, LCD_SEG1, TSC_CH1 and USART2_TX alternate functions."
      },
      {
        "number": "13",
        "name": "PA3",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN4, LCD_SEG2, USART2_RX and TSC_CH4 alternate functions."
      },
      {
        "number": "14",
        "name": "PA4",
        "type": "bidirectional",
        "description": "3.3V standard I/O, not fail-safe; carries ADC_IN5, DAC_OUT, USART2_CK, SPI1_NSS and I2S1_WS alternate functions."
      },
      {
        "number": "15",
        "name": "PA5",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN6, SPI1_SCK, I2S1_CK, USART1_RX and TSC_CH6 alternate functions."
      },
      {
        "number": "16",
        "name": "PA6",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN7, SPI1_MISO, TIM3_CH1, TIM8_BKIN and LCD_SEG3 alternate functions."
      },
      {
        "number": "17",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN8, SPI1_MOSI, TIM3_CH2, TIM1_CH1N and LCD_SEG4 alternate functions."
      },
      {
        "number": "18",
        "name": "PB0",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN9, TIM3_CH3, TIM1_CH2N, LCD_SEG5 and TSC_CH7 alternate functions."
      },
      {
        "number": "19",
        "name": "PB1",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with ADC_IN10, TIM3_CH4, LCD_SEG6, UART4_RX and TSC_CH8 alternate functions."
      },
      {
        "number": "20",
        "name": "PB2",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with LPTIM_OUT, TIM9_ETR and TSC_CH9 alternate functions."
      },
      {
        "number": "21",
        "name": "PB10",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART3_TX, LPUART_TX, I2C2_SCL, LCD_SEG10 and TSC_CH19 alternate functions."
      },
      {
        "number": "22",
        "name": "PB11",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART3_RX, LPUART_RX, I2C2_SDA, LCD_SEG11 and TSC_CH10 alternate functions."
      },
      {
        "number": "23",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must be connected to the external ground system."
      },
      {
        "number": "24",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 1.8-3.6 V."
      },
      {
        "number": "25",
        "name": "PB12",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with SPI2_NSS, I2S2_WS, USART3_CK, TIM1_BKIN, LCD_SEG12 and TSC_CH11 alternate functions."
      },
      {
        "number": "26",
        "name": "PB13",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, LCD_SEG13 and TSC_CH16 alternate functions."
      },
      {
        "number": "27",
        "name": "PB14",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with SPI2_MISO, I2S2_MCK, TIM1_CH2N, USART3_RTS, I2C2_SDA and OPAMP2_VINP alternate functions."
      },
      {
        "number": "28",
        "name": "PB15",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with SPI2_MOSI, I2S2_SD, TIM1_CH3N, UART4_RX, LCD_SEG15 and TSC_CH15 alternate functions."
      },
      {
        "number": "29",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with MCO, USART1_CK, TIM1_CH1, LCD_COM0, I2C2_SMBA and WKUP0 alternate functions."
      },
      {
        "number": "30",
        "name": "PA9",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART1_TX, I2C2_SCL, TIM1_CH2 and LCD_COM1 alternate functions."
      },
      {
        "number": "31",
        "name": "PA10",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART1_RX, I2C2_SDA, SPI1_SCK, TIM1_CH3 and LCD_COM2 alternate functions."
      },
      {
        "number": "32",
        "name": "PA11",
        "type": "bidirectional",
        "description": "3.3V standard I/O, not fail-safe; it serves as USB_DM (USB full-speed D-) on N32L403/N32L406 and also carries USART1_CTS, CAN_RX, TIM1_CH4 and COMP1_OUT."
      },
      {
        "number": "33",
        "name": "PA12",
        "type": "bidirectional",
        "description": "3.3V standard I/O, not fail-safe; it serves as USB_DP (USB full-speed D+) on N32L403/N32L406 and also carries USART1_RTS, CAN_TX, TIM1_ETR and COMP2_OUT."
      },
      {
        "number": "34",
        "name": "PA13",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that is also the SWDIO-JTMS serial-wire debug data pin."
      },
      {
        "number": "35",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must be connected to the external ground system."
      },
      {
        "number": "36",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal regulator, 1.8-3.6 V."
      },
      {
        "number": "37",
        "name": "PA14",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that is also the SWCLK-JTCK debug clock pin, with USART2_CK, I2C1_SDA and COMP2_OUT alternates."
      },
      {
        "number": "38",
        "name": "PA15",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that is also the JTDI debug input, with USART2_CTS, SPI2_NSS, I2S2_WS, TIM2_CH1 and LCD_SEG17/LCD_COM3 alternates."
      },
      {
        "number": "39",
        "name": "PB3",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that is also the JTDO-TRACESWO trace output, with SPI1_SCK, I2S1_CK, USART2_RTS, TIM2_CH2 and LCD_SEG7 alternates."
      },
      {
        "number": "40",
        "name": "PB4",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART2_TX, SPI1_MISO, I2S1_MCK, TIM3_CH1, LCD_SEG8 and UART5_TX alternate functions."
      },
      {
        "number": "41",
        "name": "PB5",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART2_RX, I2C1_SMBA, SPI1_MOSI, TIM3_CH2, LCD_SEG9, UART5_RX and LPTIM_IN1 alternate functions."
      },
      {
        "number": "42",
        "name": "PB6",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART1_TX, LPUART_TX, I2C1_SCL, SPI1_NSS, TIM4_CH1 and LPTIM_ETR alternate functions."
      },
      {
        "number": "43",
        "name": "PB7",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with USART1_RX, LPUART_RX, I2C1_SDA, TIM4_CH2, TSC_OUT, LPTIM_IN2 and PVD_IN alternate functions."
      },
      {
        "number": "44",
        "name": "BOOT0/PD0",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O that is the BOOT0 boot-mode select input, which has an input pull-down; it also carries TRACECK and LCD_SEG32."
      },
      {
        "number": "45",
        "name": "PB8",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with I2C1_SCL, CAN_RX, TIM4_CH3, LCD_SEG16, USART1_TX, UART5_TX and COMP1_OUT alternate functions."
      },
      {
        "number": "46",
        "name": "PB9",
        "type": "bidirectional",
        "description": "Fail-safe 3.3V standard I/O with I2C1_SDA, CAN_TX, TIM4_CH4, LCD_COM3, UART5_RX and COMP2_OUT alternate functions."
      },
      {
        "number": "47",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; must be connected to the external ground system."
      },
      {
        "number": "48",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply for I/O pins and the internal 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: Package variant choice: the MPN N32L406CBL7 is the N32L406 family, 48-pin, 128 KB flash, LQFP, -40~1; Pin-number alignment: the Table 3-1 text extraction lost column alignment, so the numeric columns ca; Table 3-1 gives the 48-pin column as QFN48 and does not separate LQFP48 from QFN48. The two 48-pin p"
        ],
        "pages_sent": 90,
        "cost_usd": 0.3364,
        "at": "2026-10-18T19:30:14"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040211338661889",
        "pages": 90,
        "sha256": "5f82e78c0fff8967",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 48,
        "described": 48,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "n32l406cbl7.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "n32l406cbl7-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9.0,
          9.0,
          1.5
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "83498107737cd5969b9701fb7e0f1f3df0d65387313474fbba851a4d281d7f2f",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}