STM32U575ZIT6Q

{
  "schema_version": 1,
  "type": "component",
  "slug": "stm32u575zit6q",
  "title": "STM32U575ZIT6Q",
  "brief": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "stm32u575zit6q",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "STM32U575ZIT6Q",
    "manufacturer": "STMicroelectronics",
    "package": "LQFP-144(20x20)",
    "pin_count": 144,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589420869124075520",
    "parts": {
      "symbol": "stm32u575zit6q.kicad_sym",
      "footprint": "stm32u575zit6q.kicad_mod",
      "model_3d": "stm32u575zit6q-hero.glb",
      "model_3d_plain": "stm32u575zit6q.glb",
      "model_3d_step": "stm32u575zit6q-etched.step",
      "model_3d_step_plain": "stm32u575zit6q.step",
      "lbr": "stm32u575zit6q.lbr"
    },
    "distributor_links": {
      "lcsc": "C5271039",
      "digikey": "497-STM32U575ZIT6Q-ND",
      "mouser": "511-STM32U575ZIT6Q"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T00:36:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-STM32U575ZIT6Q-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "511-STM32U575ZIT6Q",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PE2",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TRACECLK, TIM3_ETR, SAI1_CK1, TSC_G7_IO1, LPGPIO1_P14, FMC_A23, SAI1_MCLK_A, EVENTOUT."
      },
      {
        "number": "2",
        "name": "PE3",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates TRACED0, TIM3_CH1, OCTOSPIM_P1_DQS, TSC_G7_IO2, LPGPIO1_P15, FMC_A19, SAI1_SD_B; additional TAMP_IN6/TAMP_OUT3."
      },
      {
        "number": "3",
        "name": "PE4",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates TRACED1, TIM3_CH2, SAI1_D2, MDF1_SDI3, TSC_G7_IO3, DCMI_D4/PSSI_D4, FMC_A20, SAI1_FS_A; additional WKUP1, TAMP_IN7/TAMP_OUT8."
      },
      {
        "number": "4",
        "name": "PE5",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates TRACED2, TIM3_CH3, SAI1_CK2, MDF1_CKI3, TSC_G7_IO4, DCMI_D6/PSSI_D6, FMC_A21, SAI1_SCK_A; additional WKUP2, TAMP_IN8/TAMP_OUT7."
      },
      {
        "number": "5",
        "name": "PE6",
        "type": "bidirectional",
        "description": "FT_ht I/O; alternates TRACED3, TIM3_CH4, SAI1_D1, DCMI_D7/PSSI_D7, FMC_A22, SAI1_SD_A; additional WKUP3, TAMP_IN3/TAMP_OUT6."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup domain supply (RTC, backup registers, backup SRAM) for VBAT mode; absolute maximum -0.3 to 4.0 V."
      },
      {
        "number": "7",
        "name": "PC13",
        "type": "bidirectional",
        "description": "FT I/O supplied via VSW power switch; output limited to 2 MHz, 30 pF, 3 mA source; additional WKUP2, RTC_TS/RTC_OUT1, TAMP_IN1/TAMP_OUT2."
      },
      {
        "number": "8",
        "name": "PC14-OSC32_IN",
        "type": "bidirectional",
        "description": "FT_o I/O supplied via VSW (output limited to 2 MHz, 30 pF); LSE oscillator input OSC32_IN."
      },
      {
        "number": "9",
        "name": "PC15-OSC32_OUT",
        "type": "bidirectional",
        "description": "FT_o I/O supplied via VSW (output limited to 2 MHz, 30 pF); LSE oscillator output OSC32_OUT."
      },
      {
        "number": "10",
        "name": "PF0",
        "type": "bidirectional",
        "description": "FT_fh I/O (Fm+); alternates I2C2_SDA, OCTOSPIM_P2_IO0, FMC_A0, EVENTOUT."
      },
      {
        "number": "11",
        "name": "PF1",
        "type": "bidirectional",
        "description": "FT_fh I/O (Fm+); alternates I2C2_SCL, OCTOSPIM_P2_IO1, FMC_A1, EVENTOUT."
      },
      {
        "number": "12",
        "name": "PF2",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates LPTIM3_CH2, I2C2_SMBA, OCTOSPIM_P2_IO2, FMC_A2; additional WKUP8."
      },
      {
        "number": "13",
        "name": "PF3",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates LPTIM3_IN1, OCTOSPIM_P2_IO3, FMC_A3, EVENTOUT."
      },
      {
        "number": "14",
        "name": "PF4",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates LPTIM3_ETR, OCTOSPIM_P2_CLK, FMC_A4, EVENTOUT."
      },
      {
        "number": "15",
        "name": "PF5",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates LPTIM3_CH1, OCTOSPIM_P2_NCLK, FMC_A5, EVENTOUT."
      },
      {
        "number": "16",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "17",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating; decouple with 100 nF per pin plus 4.7 µF."
      },
      {
        "number": "18",
        "name": "PF6",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM5_ETR, TIM5_CH1, DCMI_D12/PSSI_D12, OCTOSPIM_P2_NCS, OCTOSPIM_P1_IO3, SAI1_SD_B."
      },
      {
        "number": "19",
        "name": "PF7",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM5_CH2, FDCAN1_RX, OCTOSPIM_P1_IO2, SAI1_MCLK_B."
      },
      {
        "number": "20",
        "name": "PF8",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM5_CH3, PSSI_D14, FDCAN1_TX, OCTOSPIM_P1_IO0, SAI1_SCK_B."
      },
      {
        "number": "21",
        "name": "PF9",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM5_CH4, PSSI_D15, OCTOSPIM_P1_IO1, SAI1_FS_B, TIM15_CH1."
      },
      {
        "number": "22",
        "name": "PF10",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates OCTOSPIM_P1_CLK, PSSI_D15, MDF1_CCK1, DCMI_D11/PSSI_D11, SAI1_D3, TIM15_CH2."
      },
      {
        "number": "23",
        "name": "PH0-OSC_IN",
        "type": "bidirectional",
        "description": "FT I/O; HSE oscillator input OSC_IN, EVENTOUT alternate."
      },
      {
        "number": "24",
        "name": "PH1-OSC_OUT",
        "type": "bidirectional",
        "description": "FT I/O; HSE oscillator output OSC_OUT, EVENTOUT alternate."
      },
      {
        "number": "25",
        "name": "NRST",
        "type": "bidirectional",
        "description": "Bidirectional reset pin with embedded weak pull-up resistor (RST structure)."
      },
      {
        "number": "26",
        "name": "PC0",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates LPTIM1_IN1, OCTOSPIM_P1_IO7, I2C3_SCL, SPI2_RDY, LPUART1_RX, SDMMC1_D5; analog ADC1_IN1, ADC4_IN1."
      },
      {
        "number": "27",
        "name": "PC1",
        "type": "bidirectional",
        "description": "FT_fhav I/O; alternates TRACED0, LPTIM1_CH1, SPI2_MOSI, I2C3_SDA, LPUART1_TX, SDMMC2_CK, SAI1_SD_A; analog ADC1_IN2, ADC4_IN2."
      },
      {
        "number": "28",
        "name": "PC2",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates LPTIM1_IN2, SPI2_MISO, MDF1_CCK1, OCTOSPIM_P1_IO5, LPGPIO1_P5; analog ADC1_IN3, ADC4_IN3."
      },
      {
        "number": "29",
        "name": "PC3",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates LPTIM1_ETR, LPTIM3_CH1, SAI1_D1, SPI2_MOSI, OCTOSPIM_P1_IO6, SAI1_SD_A; analog ADC1_IN4, ADC4_IN4."
      },
      {
        "number": "30",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground."
      },
      {
        "number": "31",
        "name": "VREF+",
        "type": "power_in",
        "description": "Voltage reference input / VREFBUF output (VREFBUF_OUT); VREF+ may exceed VDDA by at most 0.4 V."
      },
      {
        "number": "32",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply for ADCs, DACs, OPAMPs, COMPs and VREFBUF; decouple with 100 nF + 1 µF."
      },
      {
        "number": "33",
        "name": "PA0",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates TIM2_CH1, TIM5_CH1, TIM8_ETR, SPI3_RDY, USART2_CTS, UART4_TX, SDMMC2_CMD; additional OPAMP1_VINP, ADC1_IN5, WKUP1, TAMP_IN2/TAMP_OUT1."
      },
      {
        "number": "34",
        "name": "PA1",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates LPTIM1_CH2, TIM2_CH2, TIM5_CH2, I2C1_SMBA, SPI1_SCK, USART2_RTS_DE, UART4_RX; additional OPAMP1_VINM, ADC1_IN6, WKUP3, TAMP_IN5/TAMP_OUT4."
      },
      {
        "number": "35",
        "name": "PA2",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TIM2_CH3, TIM5_CH3, SPI1_RDY, USART2_TX(boot), LPUART1_TX, UCPD1_FRSTX1; additional COMP1_INP3, ADC1_IN7, WKUP4/LSCO."
      },
      {
        "number": "36",
        "name": "PA3",
        "type": "bidirectional",
        "description": "TT_hav I/O; alternates TIM2_CH4, TIM5_CH4, SAI1_CK1, USART2_RX(boot), LPUART1_RX, OCTOSPIM_P1_CLK; additional OPAMP1_VOUT, ADC1_IN8, WKUP5."
      },
      {
        "number": "37",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "38",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "39",
        "name": "PA4",
        "type": "bidirectional",
        "description": "TT_ha I/O; alternates OCTOSPIM_P1_NCS, SPI1_NSS(boot), SPI3_NSS, USART2_CK, DCMI_HSYNC/PSSI_DE; additional ADC1_IN9, ADC4_IN9, DAC1_OUT1, WKUP2."
      },
      {
        "number": "40",
        "name": "PA5",
        "type": "bidirectional",
        "description": "TT_a I/O; alternates CSLEEP, TIM2_CH1/ETR, TIM8_CH1N, PSSI_D14, SPI1_SCK(boot), USART3_RX; additional ADC1_IN10, ADC4_IN10, DAC1_OUT2, WKUP6."
      },
      {
        "number": "41",
        "name": "PA6",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates CDSTOP, TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO(boot), USART3_CTS, LPUART1_CTS; additional OPAMP2_VINP, ADC1_IN11, ADC4_IN11, WKUP7."
      },
      {
        "number": "42",
        "name": "PA7",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates SRDSTOP, TIM1_CH1N, TIM3_CH2, TIM8_CH1N, I2C3_SCL, SPI1_MOSI(boot), USART3_TX; additional OPAMP2_VINM, ADC1_IN12, ADC4_IN20, WKUP8."
      },
      {
        "number": "43",
        "name": "PB0",
        "type": "bidirectional",
        "description": "TT_ha I/O; alternates TIM1_CH2N, TIM3_CH3, TIM8_CH2N, LPTIM3_CH1, SPI1_NSS, USART3_CK, COMP1_OUT; additional OPAMP2_VOUT, ADC1_IN15, ADC4_IN18."
      },
      {
        "number": "44",
        "name": "PB1",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TIM1_CH3N, TIM3_CH4, TIM8_CH3N, LPTIM3_CH2, MDF1_SDI0, USART3_RTS_DE; additional COMP1_INM1, ADC1_IN16, ADC4_IN19, WKUP4."
      },
      {
        "number": "45",
        "name": "PB2",
        "type": "bidirectional",
        "description": "FT_hat I/O; alternates LPTIM1_CH1, TIM8_CH4N, I2C3_SMBA, SPI1_RDY, MDF1_CKI0, UCPD1_FRSTX1; additional COMP1_INP2, ADC1_IN17, WKUP1, RTC_OUT2."
      },
      {
        "number": "46",
        "name": "PF11",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates OCTOSPIM_P1_NCLK, DCMI_D12/PSSI_D12, LPTIM4_IN1."
      },
      {
        "number": "47",
        "name": "PF12",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates OCTOSPIM_P2_DQS, FMC_A6, LPTIM4_ETR."
      },
      {
        "number": "48",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "49",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "50",
        "name": "PF13",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates I2C4_SMBA, UCPD1_FRSTX2, FMC_A7, LPTIM4_OUT."
      },
      {
        "number": "51",
        "name": "PF14",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates I2C4_SCL, TSC_G8_IO1, FMC_A8; additional ADC4_IN5."
      },
      {
        "number": "52",
        "name": "PF15",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates I2C4_SDA, TSC_G8_IO2, FMC_A9; additional ADC4_IN6."
      },
      {
        "number": "53",
        "name": "PG0",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates OCTOSPIM_P2_IO4, TSC_G8_IO3, FMC_A10; additional ADC4_IN7."
      },
      {
        "number": "54",
        "name": "PG1",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates OCTOSPIM_P2_IO5, TSC_G8_IO4, FMC_A11; additional ADC4_IN8."
      },
      {
        "number": "55",
        "name": "PE7",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM1_ETR, MDF1_SDI2, FMC_D4, SAI1_SD_B; additional WKUP6."
      },
      {
        "number": "56",
        "name": "PE8",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM1_CH1N, MDF1_CKI2, FMC_D5, SAI1_SCK_B; additional WKUP7."
      },
      {
        "number": "57",
        "name": "PE9",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates TIM1_CH1, ADF1_CCK0, MDF1_CCK0, OCTOSPIM_P1_NCLK, FMC_D6, SAI1_FS_B."
      },
      {
        "number": "58",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "59",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "60",
        "name": "PE10",
        "type": "bidirectional",
        "description": "FT_hav I/O; alternates TIM1_CH2N, ADF1_SDI0, MDF1_SDI4, TSC_G5_IO1, OCTOSPIM_P1_CLK, FMC_D7, SAI1_MCLK_B."
      },
      {
        "number": "61",
        "name": "PE11",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TIM1_CH2, SPI1_RDY, MDF1_CKI4, TSC_G5_IO2, OCTOSPIM_P1_NCS, FMC_D8."
      },
      {
        "number": "62",
        "name": "PE12",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TIM1_CH3N, SPI1_NSS, MDF1_SDI5, TSC_G5_IO3, OCTOSPIM_P1_IO0, FMC_D9."
      },
      {
        "number": "63",
        "name": "PE13",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates TIM1_CH3, SPI1_SCK, MDF1_CKI5, TSC_G5_IO4, OCTOSPIM_P1_IO1, FMC_D10."
      },
      {
        "number": "64",
        "name": "PE14",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM1_CH4, TIM1_BKIN2, SPI1_MISO, OCTOSPIM_P1_IO2, FMC_D11."
      },
      {
        "number": "65",
        "name": "PE15",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM1_BKIN, TIM1_CH4N, SPI1_MOSI, OCTOSPIM_P1_IO3, FMC_D12."
      },
      {
        "number": "66",
        "name": "PB10",
        "type": "bidirectional",
        "description": "FT_fhv I/O; alternates TIM2_CH3, LPTIM3_CH1, I2C4_SCL, I2C2_SCL(boot), SPI2_SCK, USART3_TX, LPUART1_RX, COMP1_OUT; additional WKUP8."
      },
      {
        "number": "67",
        "name": "PB11",
        "type": "bidirectional",
        "description": "FT_fh I/O; alternates TIM2_CH4, I2C4_SDA, I2C2_SDA(boot), SPI2_RDY, USART3_RX, LPUART1_TX, COMP2_OUT."
      },
      {
        "number": "68",
        "name": "VLXSMPS",
        "type": "power_out",
        "description": "SMPS step-down converter switching node; connect 2.2 µH inductor (ISAT > 0.5 A, DCR < 200 mΩ) to VDD11."
      },
      {
        "number": "69",
        "name": "VDDSMPS",
        "type": "power_in",
        "description": "SMPS step-down converter supply input; requires 10 µF ±20% capacitor, ESR < 10 mΩ, rated ≥ 10 V."
      },
      {
        "number": "70",
        "name": "VSSSMPS",
        "type": "power_in",
        "description": "SMPS step-down converter ground."
      },
      {
        "number": "71",
        "name": "VDD11",
        "type": "power_in",
        "description": "1.1 V core supply (SMPS output); requires 2 × 2.2 µF ±20%, ESR < 20 mΩ, rated ≥ 10 V."
      },
      {
        "number": "72",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "73",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "74",
        "name": "PB13",
        "type": "bidirectional",
        "description": "FT_fa I/O; alternates TIM1_CH1N, LPTIM3_IN1, I2C2_SCL, SPI2_SCK(boot), MDF1_CKI1, USART3_CTS, LPUART1_CTS, TSC_G1_IO2, SAI2_SCK_A."
      },
      {
        "number": "75",
        "name": "PB14",
        "type": "bidirectional",
        "description": "FT_fda I/O; alternates TIM1_CH2N, LPTIM3_ETR, TIM8_CH2N, I2C2_SDA, SPI2_MISO(boot), MDF1_SDI2, USART3_RTS_DE, SDMMC2_D0; additional UCPD1_DBCC2."
      },
      {
        "number": "76",
        "name": "PB15",
        "type": "bidirectional",
        "description": "FT_c I/O; alternates RTC_REFIN, TIM1_CH3N, LPTIM2_IN2, TIM8_CH3N, SPI2_MOSI(boot), MDF1_CKI2, FMC_NBL1, SDMMC2_D1; additional UCPD1_CC2, WKUP7; UCPD pull-down Rd 5.1 kΩ active after reset."
      },
      {
        "number": "77",
        "name": "PD8",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates USART3_TX, DCMI_HSYNC/PSSI_DE, FMC_D13."
      },
      {
        "number": "78",
        "name": "PD9",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates LPTIM2_IN2, USART3_RX, DCMI_PIXCLK/PSSI_PDCK, FMC_D14, SAI2_MCLK_A, LPTIM3_IN1."
      },
      {
        "number": "79",
        "name": "PD10",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates LPTIM2_CH2, USART3_CK, TSC_G6_IO1, FMC_D15, SAI2_SCK_A, LPTIM3_ETR."
      },
      {
        "number": "80",
        "name": "PD11",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates I2C4_SMBA, USART3_CTS, TSC_G6_IO2, FMC_CLE/FMC_A16, SAI2_SD_A, LPTIM2_ETR; additional ADC4_IN15."
      },
      {
        "number": "81",
        "name": "PD12",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates TIM4_CH1, I2C4_SCL, USART3_RTS_DE, TSC_G6_IO3, FMC_ALE/FMC_A17, SAI2_FS_A, LPTIM2_IN1; additional ADC4_IN16."
      },
      {
        "number": "82",
        "name": "PD13",
        "type": "bidirectional",
        "description": "FT_fha I/O; alternates TIM4_CH2, I2C4_SDA, TSC_G6_IO4, LPGPIO1_P6, FMC_A18, LPTIM4_IN1, LPTIM2_CH1; additional ADC4_IN17."
      },
      {
        "number": "83",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "84",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "85",
        "name": "PD14",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM4_CH3, FMC_D0, LPTIM3_CH1."
      },
      {
        "number": "86",
        "name": "PD15",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM4_CH4, FMC_D1, LPTIM3_CH2."
      },
      {
        "number": "87",
        "name": "PG2",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates SPI1_SCK, FMC_A12, SAI2_SCK_B."
      },
      {
        "number": "88",
        "name": "PG3",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates SPI1_MISO, FMC_A13, SAI2_FS_B."
      },
      {
        "number": "89",
        "name": "PG4",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates SPI1_MOSI, FMC_A14, SAI2_MCLK_B."
      },
      {
        "number": "90",
        "name": "PG5",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates SPI1_NSS, LPUART1_CTS, FMC_A15, SAI2_SD_B."
      },
      {
        "number": "91",
        "name": "PG6",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates OCTOSPIM_P1_DQS, I2C3_SMBA, SPI1_RDY, LPUART1_RTS_DE, UCPD1_FRSTX1."
      },
      {
        "number": "92",
        "name": "PG7",
        "type": "bidirectional",
        "description": "FT_fhs I/O supplied by VDDIO2; alternates SAI1_CK1, I2C3_SCL, OCTOSPIM_P2_DQS, MDF1_CCK0, LPUART1_TX, UCPD1_FRSTX2, FMC_INT, SAI1_MCLK_A."
      },
      {
        "number": "93",
        "name": "PG8",
        "type": "bidirectional",
        "description": "FT_fs I/O supplied by VDDIO2; alternates I2C3_SDA, LPUART1_RX, EVENTOUT."
      },
      {
        "number": "94",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "95",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "I/O supply for PG2-PG15 (_s I/Os), 1.08 to 3.6 V range as per scheme; decouple with 100 nF."
      },
      {
        "number": "96",
        "name": "PC6",
        "type": "bidirectional",
        "description": "FT_a I/O; alternates CSLEEP, TIM3_CH1, TIM8_CH1, MDF1_CKI3, SDMMC1_D0DIR, TSC_G4_IO1, DCMI_D0/PSSI_D0, SDMMC2_D6, SDMMC1_D6, SAI2_MCLK_A."
      },
      {
        "number": "97",
        "name": "PC7",
        "type": "bidirectional",
        "description": "FT_a I/O; alternates CDSTOP, TIM3_CH2, TIM8_CH2, MDF1_SDI3, SDMMC1_D123DIR, TSC_G4_IO2, DCMI_D1/PSSI_D1, SDMMC2_D7, SDMMC1_D7, SAI2_MCLK_B."
      },
      {
        "number": "98",
        "name": "PC8",
        "type": "bidirectional",
        "description": "FT_a I/O; alternates SRDSTOP, TIM3_CH3, TIM8_CH3, TSC_G4_IO3, DCMI_D2/PSSI_D2, SDMMC1_D0, LPTIM3_CH1."
      },
      {
        "number": "99",
        "name": "PC9",
        "type": "bidirectional",
        "description": "FT_a I/O; alternates TRACED0, TIM8_BKIN2, TIM3_CH4, TIM8_CH4, DCMI_D3/PSSI_D3, TSC_G4_IO4, OTG_FS_NOE, SDMMC1_D1, LPTIM3_CH2."
      },
      {
        "number": "100",
        "name": "PA8",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates MCO, TIM1_CH1, SAI1_CK2, SPI1_RDY, USART1_CK, OTG_FS_SOF, TRACECLK, SAI1_SCK_A, LPTIM2_CH1."
      },
      {
        "number": "101",
        "name": "PA9",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternates TIM1_CH2, SPI2_SCK, DCMI_D0/PSSI_D0, USART1_TX(boot), SAI1_FS_A; additional OTG_FS_VBUS."
      },
      {
        "number": "102",
        "name": "PA10",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternates CRS_SYNC, TIM1_CH3, LPTIM2_IN2, SAI1_D1, DCMI_D1/PSSI_D1, USART1_RX(boot), OTG_FS_ID, SAI1_SD_A."
      },
      {
        "number": "103",
        "name": "PA11",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternates TIM1_CH4, TIM1_BKIN2, SPI1_MISO, USART1_CTS, FDCAN1_RX, OTG_FS_DM(boot)."
      },
      {
        "number": "104",
        "name": "PA12",
        "type": "bidirectional",
        "description": "FT_u I/O supplied by VDDUSB; alternates TIM1_ETR, SPI1_MOSI, OCTOSPIM_P2_NCS, USART1_RTS_DE, FDCAN1_TX, OTG_FS_DP(boot)."
      },
      {
        "number": "105",
        "name": "PA13 (JTMS/SWDIO)",
        "type": "bidirectional",
        "description": "FT I/O; JTMS/SWDIO after reset with internal pull-up active; alternates IR_OUT, OTG_FS_NOE, SAI1_SD_B."
      },
      {
        "number": "106",
        "name": "VDDUSB",
        "type": "power_in",
        "description": "Supply for USB transceiver and FT_u I/Os (PA9-PA12); decouple with 100 nF."
      },
      {
        "number": "107",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "108",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "109",
        "name": "PA14 (JTCK/SWCLK)",
        "type": "bidirectional",
        "description": "FT I/O; JTCK/SWCLK after reset with internal pull-down active; alternates LPTIM1_CH1, I2C1_SMBA, I2C4_SMBA, OTG_FS_SOF, SAI1_FS_B."
      },
      {
        "number": "110",
        "name": "PA15 (JTDI)",
        "type": "bidirectional",
        "description": "FT_c I/O; JTDI after reset with internal pull-up; alternates TIM2_CH1/ETR, USART2_RX, SPI1_NSS, SPI3_NSS, USART3_RTS_DE, UART4_RTS_DE, SAI2_FS_B; additional UCPD1_CC1; UCPD pull-down Rd 5.1 kΩ active after reset."
      },
      {
        "number": "111",
        "name": "PC10",
        "type": "bidirectional",
        "description": "FT_a I/O; alternates TRACED1, LPTIM3_ETR, ADF1_CCK1, SPI3_SCK, USART3_TX(boot), UART4_TX, TSC_G3_IO2, DCMI_D8/PSSI_D8, SDMMC1_D2, SAI2_SCK_B."
      },
      {
        "number": "112",
        "name": "PC11",
        "type": "bidirectional",
        "description": "FT_ha I/O; alternates LPTIM3_IN1, ADF1_SDI0, OCTOSPIM_P1_NCS, SPI3_MISO, USART3_RX(boot), UART4_RX, TSC_G3_IO3, SDMMC1_D3, SAI2_MCLK_B."
      },
      {
        "number": "113",
        "name": "PC12",
        "type": "bidirectional",
        "description": "FT_hav I/O; alternates TRACED3, SPI3_MOSI, USART3_CK, UART5_TX, TSC_G3_IO4, DCMI_D9/PSSI_D9, SDMMC1_CK, SAI2_SD_B."
      },
      {
        "number": "114",
        "name": "PD0",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM8_CH4N, SPI2_NSS, FDCAN1_RX, FMC_D2."
      },
      {
        "number": "115",
        "name": "PD1",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates SPI2_SCK, FDCAN1_TX, FMC_D3."
      },
      {
        "number": "116",
        "name": "PD2",
        "type": "bidirectional",
        "description": "FT I/O; alternates TRACED2, TIM3_ETR, USART3_RTS_DE, UART5_RX, TSC_SYNC, DCMI_D11/PSSI_D11, SDMMC1_CMD, LPTIM4_ETR."
      },
      {
        "number": "117",
        "name": "PD3",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates SPI2_SCK, DCMI_D5/PSSI_D5, SPI2_MISO, MDF1_SDI0, USART2_CTS, OCTOSPIM_P2_NCS, FMC_CLK."
      },
      {
        "number": "118",
        "name": "PD4",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates SPI2_MOSI, MDF1_CKI0, USART2_RTS_DE, OCTOSPIM_P1_IO4, FMC_NOE."
      },
      {
        "number": "119",
        "name": "PD5",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates SPI2_RDY, USART2_TX, OCTOSPIM_P1_IO5, FMC_NWE."
      },
      {
        "number": "120",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "121",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      },
      {
        "number": "122",
        "name": "PD6",
        "type": "bidirectional",
        "description": "FT_hv I/O; alternates SAI1_D1, DCMI_D10/PSSI_D10, SPI3_MOSI, MDF1_SDI1, USART2_RX, OCTOSPIM_P1_IO6, SDMMC2_CK, FMC_NWAIT, SAI1_SD_A."
      },
      {
        "number": "123",
        "name": "PD7",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates MDF1_CKI1, USART2_CK, OCTOSPIM_P1_IO7, SDMMC2_CMD, FMC_NCE/FMC_NE1, LPTIM4_OUT."
      },
      {
        "number": "124",
        "name": "PG9",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates OCTOSPIM_P2_IO6, SPI3_SCK(boot), USART1_TX, FMC_NCE/FMC_NE2, SAI2_SCK_A, TIM15_CH1N."
      },
      {
        "number": "125",
        "name": "PG10",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates LPTIM1_IN1, OCTOSPIM_P2_IO7, SPI3_MISO(boot), USART1_RX, FMC_NE3, SAI2_FS_A, TIM15_CH1."
      },
      {
        "number": "126",
        "name": "PG12",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates LPTIM1_ETR, OCTOSPIM_P2_NCS, SPI3_NSS(boot), USART1_RTS_DE, FMC_NE4, SAI2_SD_A."
      },
      {
        "number": "127",
        "name": "PG13",
        "type": "bidirectional",
        "description": "FT_fhs I/O supplied by VDDIO2; alternates I2C1_SDA, SPI3_RDY, USART1_CK, FMC_A24."
      },
      {
        "number": "128",
        "name": "PG14",
        "type": "bidirectional",
        "description": "FT_fhs I/O supplied by VDDIO2; alternates LPTIM1_CH2, I2C1_SCL, FMC_A25."
      },
      {
        "number": "129",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "130",
        "name": "VDDIO2",
        "type": "power_in",
        "description": "I/O supply for PG2-PG15 (_s I/Os); decouple with 100 nF."
      },
      {
        "number": "131",
        "name": "PG15",
        "type": "bidirectional",
        "description": "FT_hs I/O supplied by VDDIO2; alternates LPTIM1_CH1, I2C1_SMBA, OCTOSPIM_P2_DQS, DCMI_D13/PSSI_D13."
      },
      {
        "number": "132",
        "name": "PB3 (JTDO/TRACESWO)",
        "type": "bidirectional",
        "description": "FT_fa I/O; JTDO/TRACESWO after reset; alternates TIM2_CH2, LPTIM1_CH1, ADF1_CCK0, I2C1_SDA, SPI1_SCK, SPI3_SCK, USART1_RTS_DE, SDMMC2_D2, SAI1_SCK_B; additional COMP2_INM2."
      },
      {
        "number": "133",
        "name": "PB4 (NJTRST)",
        "type": "bidirectional",
        "description": "FT_fa I/O; NJTRST after reset with internal pull-up; alternates LPTIM1_CH2, TIM3_CH1, ADF1_SDI0, I2C3_SDA, SPI1_MISO, SPI3_MISO, USART1_CTS, UART5_RTS_DE, SDMMC2_D3; additional COMP2_INP1."
      },
      {
        "number": "134",
        "name": "PB5",
        "type": "bidirectional",
        "description": "FT_havd I/O; alternates LPTIM1_IN1, TIM3_CH2, OCTOSPIM_P1_NCLK, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI(boot), USART1_CK, UART5_CTS, COMP2_OUT; additional UCPD1_DBCC1, WKUP6."
      },
      {
        "number": "135",
        "name": "PB6",
        "type": "bidirectional",
        "description": "FT_fa I/O; alternates LPTIM1_ETR, TIM4_CH1, TIM8_BKIN2, I2C1_SCL(boot), I2C4_SCL, MDF1_SDI5, USART1_TX, TSC_G2_IO3, SAI1_FS_B; additional COMP2_INP2, WKUP3."
      },
      {
        "number": "136",
        "name": "PB7",
        "type": "bidirectional",
        "description": "FT_fhav I/O; alternates LPTIM1_IN2, TIM4_CH2, TIM8_BKIN, I2C1_SDA(boot), I2C4_SDA, MDF1_CKI5, USART1_RX, UART4_CTS, FMC_NL; additional COMP2_INM1, PVD_IN, WKUP4."
      },
      {
        "number": "137",
        "name": "PH3-BOOT0",
        "type": "input",
        "description": "FT pin; BOOT0 boot mode selection input, EVENTOUT alternate."
      },
      {
        "number": "138",
        "name": "PB8",
        "type": "bidirectional",
        "description": "FT_f I/O; alternates TIM4_CH3, SAI1_CK1, I2C1_SCL, MDF1_CCK0, SPI3_RDY, SDMMC1_CKIN, FDCAN1_RX(boot), SAI1_MCLK_A, TIM16_CH1; additional WKUP5."
      },
      {
        "number": "139",
        "name": "PB9",
        "type": "bidirectional",
        "description": "FT_f I/O; alternates IR_OUT, TIM4_CH4, SAI1_D2, I2C1_SDA, SPI2_NSS, SDMMC1_CDIR, FDCAN1_TX(boot), SAI1_FS_A, TIM17_CH1."
      },
      {
        "number": "140",
        "name": "PE0",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates TIM4_ETR, DCMI_D2/PSSI_D2, LPGPIO1_P13, FMC_NBL0, TIM16_CH1."
      },
      {
        "number": "141",
        "name": "PE1",
        "type": "bidirectional",
        "description": "FT_h I/O; alternates DCMI_D3/PSSI_D3, FMC_NBL1, TIM17_CH1."
      },
      {
        "number": "142",
        "name": "VDD11",
        "type": "power_in",
        "description": "1.1 V core supply (SMPS output); requires 2 × 2.2 µF ±20%, ESR < 20 mΩ, rated ≥ 10 V."
      },
      {
        "number": "143",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground."
      },
      {
        "number": "144",
        "name": "VDD",
        "type": "power_in",
        "description": "Digital supply, 1.71 V to 3.6 V operating."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet figures contain small text that is challenging to read with complete certainty for all"
        ],
        "pages_sent": 124,
        "cost_usd": 0.9444,
        "at": "2026-10-06T00:35:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589420869124075520",
        "pages": 338,
        "sha256": "6e54872aba50deff",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 144,
        "described": 144,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "STMicroelectronics",
      "Package": "LQFP-144(20x20)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "144"
    }
  },
  "variants": [],
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  "discovery_pitch": "STM32U575ZIT6Q (STMicroelectronics) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
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