HC32F448MATI-LQFP80

{
  "schema_version": 1,
  "type": "component",
  "slug": "hc32f448mati-lqfp80",
  "title": "HC32F448MATI-LQFP80",
  "brief": "XHSC Microcontrollers (MCU/MPU/SOC), LQFP-80(12x12). 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",
    "hc32f448mati-lqfp80",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HC32F448MATI-LQFP80",
    "manufacturer": "XHSC",
    "package": "LQFP-80(12x12)",
    "pin_count": 80,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756697166511247360",
    "parts": {
      "symbol": "hc32f448mati-lqfp80.kicad_sym",
      "footprint": "hc32f448mati-lqfp80.kicad_mod",
      "model_3d": "hc32f448mati-lqfp80-hero.glb",
      "model_3d_plain": "hc32f448mati-lqfp80-etched.glb",
      "model_3d_step": "hc32f448mati-lqfp80-etched.step",
      "model_3d_step_plain": "hc32f448mati-lqfp80.step",
      "lbr": "hc32f448mati-lqfp80.lbr"
    },
    "distributor_links": {
      "lcsc": "C5907217"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T18:44:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN0) must not exceed AVCC/VREFH; alternate functions include EIRQ2, TRACECLK and TMR4_2_PCT."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN1) must not exceed AVCC/VREFH; alternate functions include EIRQ3, TRACED0 and USART4_CK."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN2) must not exceed AVCC/VREFH; alternate functions include EIRQ4, TRACED1, CTCREF and USART6_CK."
      },
      {
        "number": "4",
        "name": "PH2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ2, TRACED2, FCMREF and USART4_CK."
      },
      {
        "number": "5",
        "name": "PC13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ13, TRACED3, RTC_OUT and VCOUT4."
      },
      {
        "number": "6",
        "name": "PC14/XTAL32_IN",
        "type": "bidirectional",
        "description": "Multiplexed pin: XTAL32_IN is the input of the external 32.768kHz secondary oscillator; as GPIO it is 5V-tolerant with alternate function EIRQ14."
      },
      {
        "number": "7",
        "name": "PC15/XTAL32_OUT",
        "type": "bidirectional",
        "description": "Multiplexed pin: XTAL32_OUT is the output of the external 32.768kHz secondary oscillator; as GPIO it is 5V-tolerant with alternate functions EIRQ15 and EXMC_ALE."
      },
      {
        "number": "8",
        "name": "PH0/XTAL_IN",
        "type": "bidirectional",
        "description": "Multiplexed pin: XTAL_IN is the external main clock oscillator interface; as GPIO it is 5V-tolerant with alternate functions EIRQ0 and TMR4_3_OXL."
      },
      {
        "number": "9",
        "name": "PH1/XTAL_EXT/XTAL_OUT",
        "type": "bidirectional",
        "description": "Multiplexed pin: XTAL_EXT is the external clock input and XTAL_OUT the external main oscillator interface; as GPIO it is 5V-tolerant with alternate functions EIRQ1 and TMR4_3_CLK."
      },
      {
        "number": "10",
        "name": "NRST",
        "type": "input",
        "description": "Reset pin, active low; connect a resistor to VCC (pull-up) when not used."
      },
      {
        "number": "11",
        "name": "PC0",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC12_IN10) must not exceed AVCC/VREFH; alternate functions include CMP3_INP3, CMP4_INP3, EIRQ0 and EXMC_RB0."
      },
      {
        "number": "12",
        "name": "PC1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC12_IN11) must not exceed AVCC/VREFH; alternate functions include EIRQ1, EXMC_CLK and EVNTP301."
      },
      {
        "number": "13",
        "name": "PC2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC1_IN12) must not exceed AVCC/VREFH; alternate functions include EIRQ2, EMB_IN3 and EXMC_CE4."
      },
      {
        "number": "14",
        "name": "PC3",
        "type": "bidirectional",
        "description": "Not 5V-tolerant GPIO: input must not exceed VCC; analog input (ADC1_IN13, CMP1_INM2) must not exceed AVCC/VREFH; alternate functions include EIRQ3 and MCO_2."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8V-3.6V and place decoupling capacitors close to VSS."
      },
      {
        "number": "16",
        "name": "AVSS/VREFL",
        "type": "power_in",
        "description": "Analog ground / low reference voltage; connect to VSS when no separate analog supply is used and do not leave floating."
      },
      {
        "number": "17",
        "name": "AVCC/VREFH",
        "type": "power_in",
        "description": "Analog supply, same voltage as VCC (1.8V-3.6V) and also high reference voltage; connect to VCC when no separate analog supply is used and do not leave floating."
      },
      {
        "number": "18",
        "name": "PA0",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC1_IN0, CMP1_INP1) must not exceed AVCC/VREFH; alternate functions include EIRQ0, WKUP0_0 and SPI1_NSS1."
      },
      {
        "number": "19",
        "name": "PA1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC1_IN1, CMP1_INP2) must not exceed AVCC/VREFH; alternate functions include EIRQ1, SPI1_NSS2 and USART5_CTS."
      },
      {
        "number": "20",
        "name": "PA2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC1_IN2, CMP1_INP3) must not exceed AVCC/VREFH; alternate functions include EIRQ2, SPI1_NSS3 and USART6_CTS."
      },
      {
        "number": "21",
        "name": "PA3",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC1_IN3, CMP1_INP4, CMP2_INP4) must not exceed AVCC/VREFH; alternate functions include EIRQ3, USART5_CK and USART3_RTS."
      },
      {
        "number": "22",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground, connect to 0 V."
      },
      {
        "number": "23",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8V-3.6V and place decoupling capacitors close to VSS."
      },
      {
        "number": "24",
        "name": "PA4",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC12_IN4, CMP2_INP1, CMP3_INP4, DAC_OUT1) must not exceed AVCC/VREFH; alternate functions include EIRQ4 and KEYOUT0."
      },
      {
        "number": "25",
        "name": "PA5",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC12_IN5, CMP2_INP2, DAC_OUT2) must not exceed AVCC/VREFH; alternate functions include EIRQ5 and KEYOUT1."
      },
      {
        "number": "26",
        "name": "PA6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC123_IN6, CMP2_INP3) must not exceed AVCC/VREFH; alternate functions include EIRQ6, EMB_IN2 and KEYOUT2."
      },
      {
        "number": "27",
        "name": "PA7",
        "type": "bidirectional",
        "description": "Not 5V-tolerant GPIO: input must not exceed VCC; analog input (ADC123_IN7, CMP1234_INM1) must not exceed AVCC/VREFH; alternate functions include EIRQ7, EMB_IN3 and KEYOUT3."
      },
      {
        "number": "28",
        "name": "PC4",
        "type": "bidirectional",
        "description": "Not 5V-tolerant GPIO: input must not exceed VCC; analog input (ADC1_IN14, CMP2_INM2) must not exceed AVCC/VREFH; alternate functions include EIRQ4 and USART1_CK."
      },
      {
        "number": "29",
        "name": "PC5",
        "type": "bidirectional",
        "description": "Not 5V-tolerant GPIO: input must not exceed VCC; analog input (ADC1_IN15, CMP3_INM2) must not exceed AVCC/VREFH; alternate functions include EIRQ5 and EVNTP305."
      },
      {
        "number": "30",
        "name": "PB0",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC123_IN8, CMP3_INP1) must not exceed AVCC/VREFH; alternate functions include EIRQ0, USART4_CK and KEYOUT4."
      },
      {
        "number": "31",
        "name": "PB1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC123_IN9, CMP4_INP2) must not exceed AVCC/VREFH; alternate functions include EIRQ1, WKUP0_1, QSPI_NSS and KEYOUT5."
      },
      {
        "number": "32",
        "name": "PB2/PVD2EXINP",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO; PVD2EXINP is the external input comparison voltage for PVD2 (PVD2 monitors this pin when PVD2LVL is 0b111); alternate functions include EIRQ2, WKUP0_2 and VCOUT."
      },
      {
        "number": "33",
        "name": "PE12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN3) must not exceed AVCC/VREFH; alternate functions include EIRQ12, SPI1_NSS1 and EXMC_DATA10."
      },
      {
        "number": "34",
        "name": "PE13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN4) must not exceed AVCC/VREFH; alternate functions include EIRQ13, SPI1_NSS2 and EXMC_DATA11."
      },
      {
        "number": "35",
        "name": "PE14",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN5) must not exceed AVCC/VREFH; alternate functions include EIRQ14, ADTRG1 and SPI1_NSS3."
      },
      {
        "number": "36",
        "name": "PE15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN10) must not exceed AVCC/VREFH; alternate functions include EIRQ15, ADTRG3 and USART4_CK."
      },
      {
        "number": "37",
        "name": "PB10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V, analog input (ADC3_IN11) must not exceed AVCC/VREFH; alternate functions include EIRQ10, ADTRG2 and QSPI_IO2."
      },
      {
        "number": "38",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Core voltage pin: connect a capacitor close to a VSS pin to stabilize the core voltage (see Electrical Characteristics for value)."
      },
      {
        "number": "39",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground, connect to 0 V."
      },
      {
        "number": "40",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8V-3.6V and place decoupling capacitors close to VSS."
      },
      {
        "number": "41",
        "name": "PB12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ12, VCOUT1, QSPI_IO1 and USART5_CTS."
      },
      {
        "number": "42",
        "name": "PB13",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ13, VCOUT2, QSPI_IO0 and USART5_RTS."
      },
      {
        "number": "43",
        "name": "PB14",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ14, VCOUT3, QSPI_SCK and USART6_CTS."
      },
      {
        "number": "44",
        "name": "PB15",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ15, RTC_OUT, USART3_CK and USART6_RTS."
      },
      {
        "number": "45",
        "name": "PD8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ8, QSPI_IO0 and KEYOUT7."
      },
      {
        "number": "46",
        "name": "PD9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ9, QSPI_IO1 and KEYOUT6."
      },
      {
        "number": "47",
        "name": "PD10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ10, QSPI_IO2 and KEYOUT5."
      },
      {
        "number": "48",
        "name": "PD11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ11, QSPI_IO3 and KEYOUT4."
      },
      {
        "number": "49",
        "name": "PC6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ6, CTCREF, QSPI_SCK and KEYOUT3."
      },
      {
        "number": "50",
        "name": "PC7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ7, QSPI_NSS and KEYOUT2."
      },
      {
        "number": "51",
        "name": "PC8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ8, USART3_CK, KEYOUT1 and EXMC_DATA14."
      },
      {
        "number": "52",
        "name": "PC9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ9, MCO_2, KEYOUT0 and EXMC_DATA15."
      },
      {
        "number": "53",
        "name": "PA8",
        "type": "bidirectional",
        "description": "Not 5V-tolerant GPIO: input must not exceed VCC; analog input (CMP4_INM2) must not exceed AVCC/VREFH; alternate functions include EIRQ8, WKUP2_0 and MCO_1."
      },
      {
        "number": "54",
        "name": "PA9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; analog input (CMP4_INP1) must not exceed AVCC/VREFH; alternate functions include EIRQ9, WKUP2_1 and CTCREF."
      },
      {
        "number": "55",
        "name": "PA10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; analog input (CMP4_INP4) must not exceed AVCC/VREFH; alternate functions include EIRQ10, WKUP2_2, CTCREF and USART6_CK."
      },
      {
        "number": "56",
        "name": "PA11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ11, WKUP2_3, EMB_IN1, USART5_CK and USART3_RTS."
      },
      {
        "number": "57",
        "name": "PA12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ12, WKUP3_0, USART6_CK, USART3_CTS and EXMC_DATA6."
      },
      {
        "number": "58",
        "name": "PA13/JTMS_SWDIO",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; JTMS_SWDIO is the serial-wire/JTAG debug data pin; alternate functions include EIRQ13, WKUP3_1 and SPI2_NSS1."
      },
      {
        "number": "59",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground, connect to 0 V."
      },
      {
        "number": "60",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8V-3.6V and place decoupling capacitors close to VSS."
      },
      {
        "number": "61",
        "name": "PA14/JTCK_SWCLK",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; JTCK_SWCLK is the in-circuit debug clock pin; alternate functions include EIRQ14, WKUP3_2, SPI2_NSS2 and EXMC_CE0."
      },
      {
        "number": "62",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; JTDI is the JTAG debug data input; alternate functions include EIRQ15, WKUP3_3 and SPI2_NSS3."
      },
      {
        "number": "63",
        "name": "PC10",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ10, TMRA_5_PWM1/CLKA and TMR4_2_OXL."
      },
      {
        "number": "64",
        "name": "PC11",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ11, TMRA_5_PWM2/CLKB and TMR4_2_OXH."
      },
      {
        "number": "65",
        "name": "PC12",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ12, TMRA_5_PWM3 and TMR4_1_OXL."
      },
      {
        "number": "66",
        "name": "PD0",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ0, VCOUT, TMR4_2_OUL and TMRA_5_PWM4."
      },
      {
        "number": "67",
        "name": "PD1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ1, TMR4_2_OWH, TMR4_3_OWH and TMRA_3_TRIG."
      },
      {
        "number": "68",
        "name": "PD2",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ2, TMR4_1_OXH, TMR4_2_OVH and TMRA_2_PWM4."
      },
      {
        "number": "69",
        "name": "PB3/JTDO_SWO",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; JTDO_TRACESWO is the JTAG/SWO trace output; alternate functions include EIRQ3, WKUP0_3 and FCMREF."
      },
      {
        "number": "70",
        "name": "PB4/JTRST",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; NJTRST is the JTAG reset input; alternate functions include EIRQ4, WKUP1_0 and TMR4_3_OWL."
      },
      {
        "number": "71",
        "name": "PB5",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ5, WKUP1_1, ADTRG3 and USART4_CK."
      },
      {
        "number": "72",
        "name": "PB6",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ6, WKUP1_2, ADTRG2 and TMR4_3_OVL."
      },
      {
        "number": "73",
        "name": "PB7",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ7, WKUP1_3, ADTRG1 and EXMC_ADV."
      },
      {
        "number": "74",
        "name": "PB11/MD",
        "type": "bidirectional",
        "description": "Mode input MD: must be held low when NRST is released (recommended 4.7kΩ pull-down to VSS); the pin is also GPIO PB11 with function PLU3_INC/PLU2_OUT."
      },
      {
        "number": "75",
        "name": "PB8",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ8, USART5_CK, KEYOUT7 and EXMC_WE."
      },
      {
        "number": "76",
        "name": "PB9",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ9, EMB_IN4, SPI2_NSS1, KEYOUT6 and EXMC_OE."
      },
      {
        "number": "77",
        "name": "PE0",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ0, MCO_1 and SPI2_NSS2."
      },
      {
        "number": "78",
        "name": "PE1",
        "type": "bidirectional",
        "description": "5V-tolerant GPIO: digital input must not exceed 5V; alternate functions include EIRQ1, MCO_2 and SPI2_NSS3."
      },
      {
        "number": "79",
        "name": "VSS",
        "type": "power_in",
        "description": "Power ground, connect to 0 V."
      },
      {
        "number": "80",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8V-3.6V and place decoupling capacitors close to VSS."
      }
    ],
    "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: Table 3-5 lists VCAP_1 as IO, but the pin is a core-voltage stabilization capacitor connection; type; Multiplexed pins are typed bidirectional from the port name. Dedicated oscillator inputs/outputs (XT; Pin 74 is PB11/MD; the table row has no analog or alternate-function columns filled. The MD function",
          "9/80 pins cited to the wrong page (name found elsewhere): ['17:AVCC/VREFH@p37', '23:VCC@p37', '38:VCAP_1@p37', '39:VSS@p37']"
        ],
        "pages_sent": 72,
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