HC32A4A0PITI-LQFP100

{
  "schema_version": 1,
  "type": "component",
  "slug": "hc32a4a0piti-lqfp100",
  "title": "HC32A4A0PITI-LQFP100",
  "brief": "XHSC Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). 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",
    "hc32a4a0piti-lqfp100",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HC32A4A0PITI-LQFP100",
    "manufacturer": "XHSC",
    "package": "LQFP-100(14x14)",
    "pin_count": 100,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590905301854347264",
    "parts": {
      "symbol": "hc32a4a0piti-lqfp100.kicad_sym",
      "footprint": "hc32a4a0piti-lqfp100.kicad_mod",
      "model_3d": "hc32a4a0piti-lqfp100-hero.glb",
      "model_3d_plain": "hc32a4a0piti-lqfp100-etched.glb",
      "model_3d_step": "hc32a4a0piti-lqfp100-etched.step",
      "model_3d_step_plain": "hc32a4a0piti-lqfp100.step",
      "lbr": "hc32a4a0piti-lqfp100.lbr"
    },
    "distributor_links": {
      "lcsc": "C5907223"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T03:30:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "General-purpose I/O PE2 with 5 V withstand per Table 2-4; alternate functions include EIRQ2, TRACECLK, FCMREF and serial group FG2."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "General-purpose I/O PE3 with 5 V withstand per Table 2-4; alternate functions include EIRQ3, TRACED0, USART6_CK and serial group FG2."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "General-purpose I/O PE4 with 5 V withstand per Table 2-4; alternate functions include EIRQ4, TRACED1, USART6_CTS and serial group FG2."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "General-purpose I/O PE5 with 5 V withstand per Table 2-4; alternate functions include EIRQ5, TRACED2, CTCREF, USART6_RTS and serial group FG2."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "General-purpose I/O PE6 with 5 V withstand per Table 2-4; alternate functions include EIRQ6, TRACED3, TIMA_9_TRIG and serial group FG2."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply, 1.65 V to 3.6 V per Table 3-5; short to VCC with a 100 nF decoupling capacitor when not in use."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "General-purpose I/O PC13 with 5 V withstand per Table 2-4; alternate functions include RTCIC0 timestamp input, EIRQ13/WKUP3_1 and RTC_OUT."
      },
      {
        "number": "8",
        "name": "PC14/XTAL32_OUT",
        "type": "output",
        "description": "32 kHz sub-clock oscillator output XTAL32_OUT, also GPIO PC14 with 5 V withstand per Table 2-4 and alternate EIRQ14."
      },
      {
        "number": "9",
        "name": "PC15/XTAL32_IN",
        "type": "input",
        "description": "32 kHz sub-clock oscillator input XTAL32_IN, also GPIO PC15 with 5 V withstand per Table 2-4 and alternate EIRQ15."
      },
      {
        "number": "10",
        "name": "VSS",
        "type": "power_in",
        "description": "Source ground, connected to 0 V."
      },
      {
        "number": "11",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8 V to 3.6 V per Table 3-5 with a nearby decoupling capacitor to VSS."
      },
      {
        "number": "12",
        "name": "PH0/XTAL_IN",
        "type": "input",
        "description": "External master clock oscillator input XTAL_IN, also GPIO PH0 with 5 V withstand per Table 2-4 and alternate EIRQ0."
      },
      {
        "number": "13",
        "name": "PH1/XTAL_OUT",
        "type": "output",
        "description": "External master clock oscillator output XTAL_OUT, also GPIO PH1 with 5 V withstand per Table 2-4 and alternate EIRQ1."
      },
      {
        "number": "14",
        "name": "NRST",
        "type": "input",
        "description": "Reset input, active low; connect a resistor to VCC (pull-up) when not in use."
      },
      {
        "number": "15",
        "name": "PC0",
        "type": "bidirectional",
        "description": "General-purpose I/O PC0 with 5 V withstand per Table 2-4; alternate functions include ADC123_IN10, CMP3_INP4, EIRQ0 and serial group FG3."
      },
      {
        "number": "16",
        "name": "PC1",
        "type": "bidirectional",
        "description": "General-purpose I/O PC1 with 5 V withstand per Table 2-4; alternate functions include ADC123_IN11, EIRQ1 and serial group FG3."
      },
      {
        "number": "17",
        "name": "PC2",
        "type": "bidirectional",
        "description": "General-purpose I/O PC2 with 5 V withstand per Table 2-4; alternate functions include ADC123_IN12, EIRQ2 and serial group FG3."
      },
      {
        "number": "18",
        "name": "PC3",
        "type": "bidirectional",
        "description": "General-purpose I/O PC3 with 5 V withstand per Table 2-4; alternate functions include ADC123_IN13, CMP1_INM4, EIRQ3 and serial group FG3."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8 V to 3.6 V per Table 3-5 with a nearby decoupling capacitor to VSS."
      },
      {
        "number": "20",
        "name": "AVSS_VREFL",
        "type": "power_in",
        "description": "Analog power ground shared with the analog reference low pin VREFL; connect to the same voltage as VSS."
      },
      {
        "number": "21",
        "name": "VREFH",
        "type": "power_in",
        "description": "Analog reference voltage input, must not be higher than AVCC; short to AVCC when the ADC is not used."
      },
      {
        "number": "22",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply, connect to the same voltage as VCC and short to VCC when the analog module is not used."
      },
      {
        "number": "23",
        "name": "PA0",
        "type": "bidirectional",
        "description": "General-purpose I/O PA0 without 5 V withstand per Table 2-4; analog input ADC123_IN0 and PGA_1 must not exceed VREFH/AVCC."
      },
      {
        "number": "24",
        "name": "PA1",
        "type": "bidirectional",
        "description": "General-purpose I/O PA1 without 5 V withstand per Table 2-4; analog input ADC123_IN1 and PGA_2 must not exceed VREFH/AVCC."
      },
      {
        "number": "25",
        "name": "PA2",
        "type": "bidirectional",
        "description": "General-purpose I/O PA2 without 5 V withstand per Table 2-4; analog input ADC123_IN2 and PGA_3 must not exceed VREFH/AVCC."
      },
      {
        "number": "26",
        "name": "PA3",
        "type": "bidirectional",
        "description": "General-purpose I/O PA3 with 5 V withstand per Table 2-4; alternate functions include ADC123_IN3, PGA123_VSS, CMP1_INP4 and serial group FG2."
      },
      {
        "number": "27",
        "name": "AVSS",
        "type": "power_in",
        "description": "Analog power ground, connect to the same voltage as VSS."
      },
      {
        "number": "28",
        "name": "AVCC",
        "type": "power_in",
        "description": "Analog power supply, connect to the same voltage as VCC."
      },
      {
        "number": "29",
        "name": "PA4",
        "type": "bidirectional",
        "description": "General-purpose I/O PA4 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN4, DAC1_OUT1, CMP2_INP3 and serial group FG1."
      },
      {
        "number": "30",
        "name": "PA5",
        "type": "bidirectional",
        "description": "General-purpose I/O PA5 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN5, DAC1_OUT2, CMP2_INP4 and serial group FG1."
      },
      {
        "number": "31",
        "name": "PA6",
        "type": "bidirectional",
        "description": "General-purpose I/O PA6 without 5 V withstand per Table 2-4; alternate functions include ADC12_IN6, PGA_4, CMP1_INP2 and serial group FG1."
      },
      {
        "number": "32",
        "name": "PA7",
        "type": "bidirectional",
        "description": "General-purpose I/O PA7 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN7, PGA4_VSS, CMP123_INM3 and serial group FG1."
      },
      {
        "number": "33",
        "name": "PC4",
        "type": "bidirectional",
        "description": "General-purpose I/O PC4 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN14, DAC2_OUT1, CMP2_INM4 and serial group FG1."
      },
      {
        "number": "34",
        "name": "PC5",
        "type": "bidirectional",
        "description": "General-purpose I/O PC5 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN15, DAC2_OUT2, CMP3_INM4 and serial group FG1."
      },
      {
        "number": "35",
        "name": "PB0",
        "type": "bidirectional",
        "description": "General-purpose I/O PB0 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN8, CMP3_INP2, EIRQ0 and serial group FG1."
      },
      {
        "number": "36",
        "name": "PB1",
        "type": "bidirectional",
        "description": "General-purpose I/O PB1 with 5 V withstand per Table 2-4; alternate functions include ADC12_IN9, CMP3_INP3, EIRQ1/WKUP0_1 and serial group FG1."
      },
      {
        "number": "37",
        "name": "PB2/PVD2EXINP",
        "type": "bidirectional",
        "description": "General-purpose I/O PB2 with 5 V withstand per Table 2-4; PVD2EXINP is the PVD2 external input compare voltage, also alternate EIRQ2/WKUP0_2."
      },
      {
        "number": "38",
        "name": "PE7",
        "type": "bidirectional",
        "description": "General-purpose I/O PE7 with 5 V withstand per Table 2-4; alternate functions include ADTRG1, EIRQ7 and serial group FG2."
      },
      {
        "number": "39",
        "name": "PE8",
        "type": "bidirectional",
        "description": "General-purpose I/O PE8 with 5 V withstand per Table 2-4; alternate functions include CTCREF, EIRQ8 and serial group FG2."
      },
      {
        "number": "40",
        "name": "PE9",
        "type": "bidirectional",
        "description": "General-purpose I/O PE9 with 5 V withstand per Table 2-4; alternate functions include ADTRG3, EIRQ9 and serial group FG2."
      },
      {
        "number": "41",
        "name": "PE10",
        "type": "bidirectional",
        "description": "General-purpose I/O PE10 with 5 V withstand per Table 2-4; alternate functions include CMP1_INP3, EIRQ10 and serial group FG3."
      },
      {
        "number": "42",
        "name": "PE11",
        "type": "bidirectional",
        "description": "General-purpose I/O PE11 with 5 V withstand per Table 2-4; alternate functions include EIRQ11, USBHS_ULPI_D7 and serial group FG3."
      },
      {
        "number": "43",
        "name": "PE12",
        "type": "bidirectional",
        "description": "General-purpose I/O PE12 with 5 V withstand per Table 2-4; alternate functions include CMP4_INM3, EIRQ12 and serial group FG3."
      },
      {
        "number": "44",
        "name": "PE13",
        "type": "bidirectional",
        "description": "General-purpose I/O PE13 with 5 V withstand per Table 2-4; alternate functions include CMP4_INM4, EIRQ13 and serial group FG3."
      },
      {
        "number": "45",
        "name": "PE14",
        "type": "bidirectional",
        "description": "General-purpose I/O PE14 with 5 V withstand per Table 2-4; alternate functions include CMP4_INP3, EIRQ14 and serial group FG3."
      },
      {
        "number": "46",
        "name": "PE15",
        "type": "bidirectional",
        "description": "General-purpose I/O PE15 with 5 V withstand per Table 2-4; alternate functions include CMP4_INP4, EIRQ15 and serial group FG3."
      },
      {
        "number": "47",
        "name": "PB10",
        "type": "bidirectional",
        "description": "General-purpose I/O PB10 with 5 V withstand per Table 2-4; alternate functions include ADTRG2, EIRQ10 and serial group FG3."
      },
      {
        "number": "48",
        "name": "PB11",
        "type": "bidirectional",
        "description": "General-purpose I/O PB11 with 5 V withstand per Table 2-4; alternate functions include EIRQ11 and serial group FG3."
      },
      {
        "number": "49",
        "name": "VCAP_1",
        "type": "passive",
        "description": "Core voltage stabilization pin; Table 2-6 states it is connected to VSS to stabilize the core voltage."
      },
      {
        "number": "50",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8 V to 3.6 V per Table 3-5 with a nearby decoupling capacitor to VSS."
      },
      {
        "number": "51",
        "name": "PB12",
        "type": "bidirectional",
        "description": "General-purpose I/O PB12 with 5 V withstand per Table 2-4; alternate functions include VCOUT1, USBHS_ULPI_D5, USBHS_ID and serial group FG1."
      },
      {
        "number": "52",
        "name": "PB13",
        "type": "bidirectional",
        "description": "General-purpose I/O PB13 with 5 V withstand per Table 2-4; alternate functions include VCOUT2, USBHS_ULPI_D6, USBHS_VBUS and serial group FG1."
      },
      {
        "number": "53",
        "name": "PB14/USBHS_DM",
        "type": "bidirectional",
        "description": "General-purpose I/O PB14 without 5 V withstand per Table 2-4; USBHS_DM is the USB high-speed on-chip full-speed PHY D- signal."
      },
      {
        "number": "54",
        "name": "PB15/USBHS_DP",
        "type": "bidirectional",
        "description": "General-purpose I/O PB15 without 5 V withstand per Table 2-4; USBHS_DP is the USB high-speed on-chip full-speed PHY D+ signal."
      },
      {
        "number": "55",
        "name": "PD8",
        "type": "bidirectional",
        "description": "General-purpose I/O PD8 with 5 V withstand per Table 2-4; alternate functions include VCOUT4, USBHS_DRVVBUS, EXMC_DATA13 and serial group FG1."
      },
      {
        "number": "56",
        "name": "PD9",
        "type": "bidirectional",
        "description": "General-purpose I/O PD9 with 5 V withstand per Table 2-4; alternate functions include VCOUT3, USBHS_ULPI_D4, EXMC_DATA14 and serial group FG1."
      },
      {
        "number": "57",
        "name": "PD10",
        "type": "bidirectional",
        "description": "General-purpose I/O PD10 with 5 V withstand per Table 2-4; alternate functions include CAN2_TST_SAMPLE, EXMC_DATA15 and serial group FG1."
      },
      {
        "number": "58",
        "name": "PD11",
        "type": "bidirectional",
        "description": "General-purpose I/O PD11 with 5 V withstand per Table 2-4; alternate functions include CAN2_TST_CLOCK, EXMC_ADD16 and serial group FG1."
      },
      {
        "number": "59",
        "name": "PD12",
        "type": "bidirectional",
        "description": "General-purpose I/O PD12 with 5 V withstand per Table 2-4; alternate functions include EIRQ12, EXMC_ADD17 and serial group FG3."
      },
      {
        "number": "60",
        "name": "PD13",
        "type": "bidirectional",
        "description": "General-purpose I/O PD13 with 5 V withstand per Table 2-4; alternate functions include EIRQ13, EXMC_ADD18 and serial group FG3."
      },
      {
        "number": "61",
        "name": "PD14",
        "type": "bidirectional",
        "description": "General-purpose I/O PD14 with 5 V withstand per Table 2-4; alternate functions include ADTRG1, EXMC_DATA0 and serial group FG3."
      },
      {
        "number": "62",
        "name": "PD15",
        "type": "bidirectional",
        "description": "General-purpose I/O PD15 with 5 V withstand per Table 2-4; alternate functions include ADTRG2, EXMC_DATA1 and serial group FG3."
      },
      {
        "number": "63",
        "name": "PC6",
        "type": "bidirectional",
        "description": "General-purpose I/O PC6 with 5 V withstand per Table 2-4; alternate functions include EIRQ6, DVP_DATA0 and serial group FG3."
      },
      {
        "number": "64",
        "name": "PC7",
        "type": "bidirectional",
        "description": "General-purpose I/O PC7 with 5 V withstand per Table 2-4; alternate functions include EIRQ7, DVP_DATA1 and serial group FG3."
      },
      {
        "number": "65",
        "name": "PC8",
        "type": "bidirectional",
        "description": "General-purpose I/O PC8 with 5 V withstand per Table 2-4; alternate functions include EIRQ8, DVP_DATA2 and serial group FG2."
      },
      {
        "number": "66",
        "name": "PC9",
        "type": "bidirectional",
        "description": "General-purpose I/O PC9 with 5 V withstand per Table 2-4; alternate functions include EIRQ9, MCO_2, USBFS_DRVVBUS and serial group FG2."
      },
      {
        "number": "67",
        "name": "PA8",
        "type": "bidirectional",
        "description": "General-purpose I/O PA8 with 5 V withstand per Table 2-4; alternate functions include EIRQ8/WKUP2_0, MCO_1, USBFS_SOF and serial group FG2."
      },
      {
        "number": "68",
        "name": "PA9",
        "type": "bidirectional",
        "description": "General-purpose I/O PA9 with 5 V withstand per Table 2-4; alternate functions include EIRQ9/WKUP2_1, USBFS_VBUS and serial group FG2."
      },
      {
        "number": "69",
        "name": "PA10",
        "type": "bidirectional",
        "description": "General-purpose I/O PA10 with 5 V withstand per Table 2-4; alternate functions include EIRQ10/WKUP2_2, USBFS_ID and serial group FG2."
      },
      {
        "number": "70",
        "name": "PA11/USBFS_DM",
        "type": "bidirectional",
        "description": "General-purpose I/O PA11 without 5 V withstand per Table 2-4; USBFS_DM is the USB full-speed on-chip PHY D- signal."
      },
      {
        "number": "71",
        "name": "PA12/USBFS_DP",
        "type": "bidirectional",
        "description": "General-purpose I/O PA12 without 5 V withstand per Table 2-4; USBFS_DP is the USB full-speed on-chip PHY D+ signal."
      },
      {
        "number": "72",
        "name": "PA13/JTMS_SWDIO",
        "type": "bidirectional",
        "description": "General-purpose I/O PA13 with 5 V withstand per Table 2-4; JTMS_SWDIO is the online debug interface (SWD data) signal."
      },
      {
        "number": "73",
        "name": "VCAP_2",
        "type": "passive",
        "description": "Core voltage stabilization pin; Table 2-6 states it is connected to VSS to stabilize the core voltage."
      },
      {
        "number": "74",
        "name": "VSS",
        "type": "power_in",
        "description": "Source ground, connected to 0 V."
      },
      {
        "number": "75",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8 V to 3.6 V per Table 3-5 with a nearby decoupling capacitor to VSS."
      },
      {
        "number": "76",
        "name": "PA14/JTCK_SWCLK",
        "type": "bidirectional",
        "description": "General-purpose I/O PA14 with 5 V withstand per Table 2-4; JTCK_SWCLK is the online debug interface clock, also alternate EIRQ14/WKUP3_2 and serial group FG1."
      },
      {
        "number": "77",
        "name": "PA15/JTDI",
        "type": "bidirectional",
        "description": "General-purpose I/O PA15 with 5 V withstand per Table 2-4; JTDI is the JTAG data input, also alternate EIRQ15/WKUP3_3 and serial group FG1."
      },
      {
        "number": "78",
        "name": "PC10",
        "type": "bidirectional",
        "description": "General-purpose I/O PC10 with 5 V withstand per Table 2-4; alternate functions include EIRQ10, CAN1_TST_SAMPLE and serial group FG3."
      },
      {
        "number": "79",
        "name": "PC11",
        "type": "bidirectional",
        "description": "General-purpose I/O PC11 with 5 V withstand per Table 2-4; alternate functions include EIRQ11, CAN1_TST_CLOCK and serial group FG3."
      },
      {
        "number": "80",
        "name": "PC12",
        "type": "bidirectional",
        "description": "General-purpose I/O PC12 with 5 V withstand per Table 2-4; alternate functions include EIRQ12, DVP_DATA9 and serial group FG3."
      },
      {
        "number": "81",
        "name": "PD0",
        "type": "bidirectional",
        "description": "General-purpose I/O PD0 with 5 V withstand per Table 2-4; alternate functions include EIRQ0, VCOUT, EXMC_DATA2 and serial group FG3."
      },
      {
        "number": "82",
        "name": "PD1",
        "type": "bidirectional",
        "description": "General-purpose I/O PD1 with 5 V withstand per Table 2-4; alternate functions include EIRQ1, EXMC_DATA3 and serial group FG3."
      },
      {
        "number": "83",
        "name": "PD2",
        "type": "bidirectional",
        "description": "General-purpose I/O PD2 with 5 V withstand per Table 2-4; alternate functions include EIRQ2, VCOUT4, DVP_DATA11 and serial group FG3."
      },
      {
        "number": "84",
        "name": "PD3",
        "type": "bidirectional",
        "description": "General-purpose I/O PD3 with 5 V withstand per Table 2-4; alternate functions include EIRQ3, VCOUT1, DVP_DATA5 and serial group FG3."
      },
      {
        "number": "85",
        "name": "PD4",
        "type": "bidirectional",
        "description": "General-purpose I/O PD4 with 5 V withstand per Table 2-4; alternate functions include EIRQ4, VCOUT2, DVP_DATA12 and serial group FG2."
      },
      {
        "number": "86",
        "name": "PD5",
        "type": "bidirectional",
        "description": "General-purpose I/O PD5 with 5 V withstand per Table 2-4; alternate functions include EIRQ5, VCOUT3, EXMC_WE and serial group FG2."
      },
      {
        "number": "87",
        "name": "PD6",
        "type": "bidirectional",
        "description": "General-purpose I/O PD6 with 5 V withstand per Table 2-4; alternate functions include ADTRG1, EXMC_RB0, DVP_DATA10 and serial group FG2."
      },
      {
        "number": "88",
        "name": "PD7",
        "type": "bidirectional",
        "description": "General-purpose I/O PD7 with 5 V withstand per Table 2-4; alternate functions include ADTRG2, EXMC_CE0 and serial group FG2."
      },
      {
        "number": "89",
        "name": "PB3/JTDO_TRACESWO",
        "type": "bidirectional",
        "description": "General-purpose I/O PB3 with 5 V withstand per Table 2-4; JTDO_TRACESWO is the JTAG/SWO trace output, also alternate EIRQ3/WKUP0_3 and serial group FG1."
      },
      {
        "number": "90",
        "name": "PB4/NJTRST",
        "type": "bidirectional",
        "description": "General-purpose I/O PB4 with 5 V withstand per Table 2-4; NJTRST is the JTAG test reset input, also alternate EIRQ4/WKUP1_0 and serial group FG1."
      },
      {
        "number": "91",
        "name": "PB5",
        "type": "bidirectional",
        "description": "General-purpose I/O PB5 with 5 V withstand per Table 2-4; alternate functions include ADTRG3, EIRQ5/WKUP1_1, USBHS_ULPI_D7 and serial group FG1."
      },
      {
        "number": "92",
        "name": "PB6",
        "type": "bidirectional",
        "description": "General-purpose I/O PB6 with 5 V withstand per Table 2-4; alternate functions include ADTRG2, EIRQ6/WKUP1_2, EXMC_CE1 and serial group FG1."
      },
      {
        "number": "93",
        "name": "PB7",
        "type": "bidirectional",
        "description": "General-purpose I/O PB7 with 5 V withstand per Table 2-4; alternate functions include ADTRG1, EIRQ7/WKUP1_3, EXMC_ADV and serial group FG1."
      },
      {
        "number": "94",
        "name": "PI13/MD",
        "type": "bidirectional",
        "description": "General-purpose I/O PI13 with 5 V withstand per Table 2-4; MD is the mode input, which must be held low when NRST is released (a 4.7 kΩ pull-down to VSS is recommended)."
      },
      {
        "number": "95",
        "name": "PB8",
        "type": "bidirectional",
        "description": "General-purpose I/O PB8 with 5 V withstand per Table 2-4; alternate functions include EIRQ8, USBFS_DRVVBUS, ETH_MII_TXD3 and serial group FG1."
      },
      {
        "number": "96",
        "name": "PB9",
        "type": "bidirectional",
        "description": "General-purpose I/O PB9 with 5 V withstand per Table 2-4; alternate functions include EIRQ9, ETH_MII_TXD2, DVP_DATA7 and serial group FG1."
      },
      {
        "number": "97",
        "name": "PE0",
        "type": "bidirectional",
        "description": "General-purpose I/O PE0 with 5 V withstand per Table 2-4; alternate functions include EIRQ0, MCO_1, EXMC_CE4 and serial group FG1."
      },
      {
        "number": "98",
        "name": "PE1",
        "type": "bidirectional",
        "description": "General-purpose I/O PE1 with 5 V withstand per Table 2-4; alternate functions include EIRQ1, MCO_2, EXMC_CE5 and serial group FG1."
      },
      {
        "number": "99",
        "name": "VSS",
        "type": "power_in",
        "description": "Source ground, connected to 0 V."
      },
      {
        "number": "100",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, connect to 1.8 V to 3.6 V per Table 3-5 with a nearby decoupling capacitor to VSS."
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pinout taken from the LQFP100 column of Table 2-1 and checked against Figure 2-1 (LQFP100). Ordering; Descriptions list only the main alternate functions named in Table 2-1 for each pin, not the full al; Dual-role pins (XTAL32_OUT, XTAL32_IN, XTAL_IN, XTAL_OUT, RTCIC0) are typed by their oscillator role"
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        "at": "2026-10-18T03:27:24"
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        "sha256": "e4f680ef91bd6cc5",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
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        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "file": "hc32a4a0piti-lqfp100-etched.step",
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      "Manufacturer": "XHSC",
      "Package": "LQFP-100(14x14)",
      "Category": "Embedded Processors & Controllers",
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          "name": "External mains voltage (including AVCC, VCC, and VBAT)",
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          "name": "Input voltage on pins other than PA11/USBFS_DM, PA12/USBFS_DP, PB14/USBHS_DM, PB15/USBHS_DP, PA0, PA1, PA2, PA6",
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          "unit": "V",
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          "typ": null,
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          "conditions": "Max printed as VCC+4.0 (Max 5.8V)",
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        {
          "name": "Input voltage on pins PA11/USBFS_DM, PA12/USBFS_DP, PB14/USBHS_DM, PB15/USBHS_DP, PA0, PA1, PA2, PA6",
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          "conditions": "Max printed as Vcc+0.7 (Max 4.0V)",
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        {
          "name": "Total current flowing into all VCC X power lines (sourced)",
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          "name": "Total current flowing out of all VSS X ground wires (sinking current)",
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        {
          "name": "Maximum current flowing into each VCC X power line (source current)",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
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          "max": 100,
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        {
          "name": "Maximum current flowing out of each VSS X ground wire (sink current)",
          "symbol": "IVSS",
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          "unit": "mA",
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          "typ": null,
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        {
          "name": "Arbitrary I/O and control pin output current",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Output pull current of any I/O and control pin",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
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          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Total output sink current on all I/O and control pins",
          "symbol": "ΣIIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Total output source current on all I/O and control pins",
          "symbol": "ΣIIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -120,
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          "max": null,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
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        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature Range",
          "symbol": "TJ",
          "kind": "thermal",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 59,
          "source": "datasheet"
        },
        {
          "name": "Internal AHB clock frequency",
          "symbol": "fHCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 240,
          "conditions": "High Speed Mode; PWRC2.DVS=11, PWRC2.DDAS=1111, PWRC3.DDAS=0xff",
          "source_page": 60,
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        {
          "name": "Internal AHB clock frequency",
          "symbol": "fHCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "Super low speed mode; PWRC2.DVS=10, PWRC2.DDAS=0000, PWRC3.DDAS=0x00",
          "source_page": 60,
          "source": "datasheet"
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          "name": "Standard operating voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Analog working voltage",
          "symbol": "VAVCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Backup working voltage",
          "symbol": "VBAT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage on 5V Tolerant Pin",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "2 V ≤ VCC ≤ 3.6 V; 2 V ≤ AVCC ≤ 3.6 V",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage on 5V Tolerant Pin",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.2,
          "conditions": "VCC < 2 V; AVCC < 2V",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Input voltage on pins PA11/USBFS_DM, PA12/USBFS_DP, PB14/USBHS_DM, PB15/USBHS_DP, PA0, PA1, PA2, PA6",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VCC+0.3",
          "source_page": 60,
          "source": "datasheet"
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        {
          "name": "VCC rise time rate",
          "symbol": "tVCC",
          "kind": "timing",
          "unit": "µs/V",
          "min": 20,
          "typ": null,
          "max": 20000,
          "conditions": "",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "VCC fall time rate",
          "symbol": "",
          "kind": "timing",
          "unit": "µs/V",
          "min": 20,
          "typ": null,
          "max": 20000,
          "conditions": "",
          "source_page": 60,
          "source": "datasheet"
        },
        {
          "name": "Power-on/power-off reset threshold",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.6,
          "typ": 1.68,
          "max": 1.8,
          "conditions": "Rising edge VPOR",
          "source_page": 61,
          "source": "datasheet"
        },
        {
          "name": "Power-on/power-off reset threshold",
          "symbol": "VPOR",
          "kind": "electrical",
          "unit": "V",
          "min": 1.56,
          "typ": 1.64,
          "max": 1.76,
          "conditions": "Falling edge VPOR",
          "source_page": 61,
          "source": "datasheet"
        },
        {
          "name": "NRST reset minimum width",
          "symbol": "TNRST",
          "kind": "timing",
          "unit": "µs",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 61,
          "source": "datasheet"
        },
        {
          "name": "NRST reset release time",
          "symbol": "TINRST",
          "kind": "timing",
          "unit": "µs",
          "min": 25,
          "typ": 35,
          "max": 50,
          "conditions": "",
          "source_page": 61,
          "source": "datasheet"
        },
        {
          "name": "Power-on reset release time",
          "symbol": "TRSTPOR",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 2500,
          "max": 3000,
          "conditions": "",
          "source_page": 61,
          "source": "datasheet"
        },
        {
          "name": "User external timer frequency",
          "symbol": "fXTAL_EXT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "XTAL_IN rise or fall time",
          "symbol": "tr(XTAL) tf(XTAL)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "Duty ratio",
          "symbol": "Duty(XTAL)",
          "kind": "electrical",
          "unit": "%",
          "min": 40,
          "typ": null,
          "max": 60,
          "conditions": "",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "Oscillator frequency",
          "symbol": "fXTAL_IN",
          "kind": "electrical",
          "unit": "MHz",
          "min": 4,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "XTAL accuracy",
          "symbol": "AXTAL",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "Start time",
          "symbol": "tSU(XTAL)",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC is stable, crystal oscillator=8MHz",
          "source_page": 73,
          "source": "datasheet"
        },
        {
          "name": "XTAL32 precision",
          "symbol": "AXTAL32",
          "kind": "tolerance",
          "unit": "ppm",
          "min": -500,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 75,
          "source": "datasheet"
        },
        {
          "name": "Frequency Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -3,
          "typ": null,
          "max": 3,
          "conditions": "TA = -40 to 105 °C",
          "source_page": 76,
          "source": "datasheet"
        },
        {
          "name": "Frequency Accuracy",
          "symbol": "",
          "kind": "tolerance",
          "unit": "%",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "TA = 25℃",
          "source_page": 76,
          "source": "datasheet"
        },
        {
          "name": "Frequency (MRC oscillator)",
          "symbol": "fMRC",
          "kind": "electrical",
          "unit": "MHz",
          "min": 7.2,
          "typ": 8,
          "max": 8.8,
          "conditions": "",
          "source_page": 76,
          "source": "datasheet"
        },
        {
          "name": "Frequency (LRC oscillator)",
          "symbol": "fLRC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 27.853,
          "typ": 32.768,
          "max": 37.683,
          "conditions": "",
          "source_page": 76,
          "source": "datasheet"
        },
        {
          "name": "Frequency (SWDTLRC oscillator)",
          "symbol": "fSWDTLRC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 9,
          "typ": 10,
          "max": 11,
          "conditions": "",
          "source_page": 76,
          "source": "datasheet"
        },
        {
          "name": "Frequency (RTCRC oscillator)",
          "symbol": "fRRC",
          "kind": "electrical",
          "unit": "kHz",
          "min": 29.5,
          "typ": 32.768,
          "max": 36,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "I2S-PLL (PLLA) PFD input clock",
          "symbol": "fPLL_IN",
          "kind": "electrical",
          "unit": "MHz",
          "min": 1,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "I2S-PLL (PLLA) multiplier output clock",
          "symbol": "fPLL_OUT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 15,
          "typ": null,
          "max": 240,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "I2S-PLL (PLLA) VCO output",
          "symbol": "fVCO_OUT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 240,
          "typ": null,
          "max": 480,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "I2S-PLL (PLLA) lock time",
          "symbol": "tLOCK",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 80,
          "max": 120,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "System PLL (PLLH) PFD input clock",
          "symbol": "fPLL_IN",
          "kind": "electrical",
          "unit": "MHz",
          "min": 8,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "System PLL (PLLH) multiplier output clock",
          "symbol": "fPLL_OUT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 37.5,
          "typ": null,
          "max": 600,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "System PLL (PLLH) VCO output",
          "symbol": "fVCO_OUT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 600,
          "typ": null,
          "max": 1200,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "System PLL (PLLH) lock time",
          "symbol": "tLOCK",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": 80,
          "max": 120,
          "conditions": "",
          "source_page": 77,
          "source": "datasheet"
        },
        {
          "name": "Supply current (flash read mode)",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "Read mode, VCC =1.8 V~3.6V",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "Supply current (flash programming mode)",
          "symbol": "IVCC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "Programming mode, VCC =1.8 V~3.6V",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "Programming, number of block erases",
          "symbol": "Nend",
          "kind": "electrical",
          "unit": "kcycles",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "TA = 85℃",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "Data retention period",
          "symbol": "Tret",
          "kind": "electrical",
          "unit": "years",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "TA = 85℃, after 10 kcycles",
          "source_page": 78,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage (HBM)",
          "symbol": "VESD(HBM)",
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