component
N32G455VEL7
Public Made by Adomby adom
Nations Technologies Inc Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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{
"schema_version": 1,
"type": "component",
"slug": "n32g455vel7",
"title": "N32G455VEL7",
"brief": "Nations Technologies Inc 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",
"n32g455vel7",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "N32G455VEL7",
"manufacturer": "Nations Technologies Inc",
"package": "LQFP-100(14x14)",
"pin_count": 100,
"category": "Embedded Processors & Controllers",
"subcategory": "Microcontrollers (MCU/MPU/SOC)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589040480792793088",
"parts": {
"symbol": "n32g455vel7.kicad_sym",
"footprint": "n32g455vel7.kicad_mod",
"model_3d": "n32g455vel7-hero.glb",
"model_3d_plain": "n32g455vel7-etched.glb",
"model_3d_step": "n32g455vel7-etched.step",
"model_3d_step_plain": "n32g455vel7.step",
"lbr": "n32g455vel7.lbr"
},
"distributor_links": {
"lcsc": "C2981440"
},
"distributor_check": {
"checked_at": "2026-10-18T22:10:53Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "PE2",
"type": "bidirectional",
"description": "GPIO PE2, FT I/O (5 V tolerant, fail-safe); alternate functions TRACECK and UART6_TX."
},
{
"number": "2",
"name": "PE3",
"type": "bidirectional",
"description": "GPIO PE3, FT I/O (5 V tolerant, fail-safe); alternate functions TRACED0 and UART6_RX."
},
{
"number": "3",
"name": "PE4",
"type": "bidirectional",
"description": "GPIO PE4, FT I/O (5 V tolerant, fail-safe); alternate function TRACED1."
},
{
"number": "4",
"name": "PE5",
"type": "bidirectional",
"description": "GPIO PE5, FT I/O (5 V tolerant, fail-safe); alternate function TRACED2."
},
{
"number": "5",
"name": "PE6",
"type": "bidirectional",
"description": "GPIO PE6, FT I/O (5 V tolerant, fail-safe); alternate function TRACED3."
},
{
"number": "6",
"name": "VBAT",
"type": "power_in",
"description": "Backup-domain supply, 1.8 to 3.6 V, powers the RTC, the 32.768 kHz oscillator and the backup registers when VDD is off."
},
{
"number": "7",
"name": "PC13-TAMPER-RTC",
"type": "bidirectional",
"description": "TC I/O (standard 3.3 V) powered through a power switch limited to about 3 mA; as an output it is limited to one pin at a time, 2 MHz mode, 30 pF load and no current-source use; alternate function TAMPER-RTC."
},
{
"number": "8",
"name": "PC14-OSC32_IN",
"type": "bidirectional",
"description": "TC I/O (standard 3.3 V) powered through a power switch limited to about 3 mA, with the same output restrictions as PC13 (one output at a time, 2 MHz, 30 pF, no LED drive); alternate function OSC32_IN."
},
{
"number": "9",
"name": "PC15-OSC32_OUT",
"type": "bidirectional",
"description": "TC I/O (standard 3.3 V) powered through a power switch limited to about 3 mA, with the same output restrictions as PC13 (one output at a time, 2 MHz, 30 pF, no LED drive); alternate function OSC32_OUT."
},
{
"number": "10",
"name": "VSS_5",
"type": "power_in",
"description": "Digital ground pin; all VSS pins must be connected to the external ground system."
},
{
"number": "11",
"name": "VDD_5",
"type": "power_in",
"description": "I/O and internal regulator supply, 1.8 to 3.6 V."
},
{
"number": "12",
"name": "OSC_IN",
"type": "input",
"description": "HSE oscillator input for a 4 to 32 MHz crystal/resonator or external clock; also FT/TC level pin (OSC_IN)."
},
{
"number": "13",
"name": "OSC_OUT",
"type": "output",
"description": "HSE oscillator output for the 4 to 32 MHz crystal/resonator circuit."
},
{
"number": "14",
"name": "NRST",
"type": "input",
"description": "Active-low external reset input with an internal pull-up of 30 to 70 kOhm; a 100 ns input filter pulse is specified."
},
{
"number": "15",
"name": "PC0",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC12_IN6, I2C3_SCL, COMP7_INM and UART6_TX."
},
{
"number": "16",
"name": "PC1",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC12_IN7, I2C3_SDA, COMP7_INP and UART6_RX."
},
{
"number": "17",
"name": "PC2",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC12_IN8, COMP7_OUT, UART7_TX, SPI3_NSS and I2S3_WS."
},
{
"number": "18",
"name": "PC3",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC12_IN9, UART7_RX, SPI3_SCK, I2S3_CK, OPAMP3_VINP, OPAMP4_VINP and COMP5_INP."
},
{
"number": "19",
"name": "VSSA",
"type": "power_in",
"description": "Ground for the analog section (ADC, DAC, OPAMP, COMP, TSC); VSSA must be connected to VSS."
},
{
"number": "20",
"name": "VREF-",
"type": "power_in",
"description": "Negative reference input for the ADC; the ADC input range is VREF- ≤ VIN ≤ VREF+."
},
{
"number": "21",
"name": "VREF+",
"type": "power_in",
"description": "Positive reference voltage input for the ADC and DAC; VREF+ must always be lower than VDDA."
},
{
"number": "22",
"name": "VDDA",
"type": "power_in",
"description": "Analog supply for ADC, DAC, OPAMP, COMP and TSC, 1.8 to 3.6 V, and it must be the same supply as VDD (up to 300 mV difference)."
},
{
"number": "23",
"name": "PA0-WKUP",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); WKUP wake-up input (rising edge wakes from STANDBY); alternate functions include ADC1_IN1, USART2_CTS, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR, COMP1_OUT, COMP1_INM and SPI3_MISO."
},
{
"number": "24",
"name": "PA1",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions USART2_RTS, ADC1_IN2, TIM5_CH2, TIM2_CH2, COMP1_INP, OPAMP1_VINP, OPAMP3_VINP, SPI3_MOSI and I2S3_SD."
},
{
"number": "25",
"name": "PA2",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions USART2_TX, TIM5_CH3, ADC12_IN11, TIM2_CH3, COMP2_OUT, OPAMP1_INM and OPAMP2_INM."
},
{
"number": "26",
"name": "PA3",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions USART2_RX, TIM5_CH4, ADC1_IN4, TIM2_CH4, OPAMP1_VINM, OPAMP1_VINP and COMP5_INP."
},
{
"number": "27",
"name": "VSS_4",
"type": "power_in",
"description": "Digital ground pin; all VSS pins must be connected to the external ground system."
},
{
"number": "28",
"name": "VDD_4",
"type": "power_in",
"description": "I/O and internal regulator supply, 1.8 to 3.6 V."
},
{
"number": "29",
"name": "PA4",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI1_NSS, USART2_CK, DAC_OUT1, ADC2_IN1, QSPI_NSS, TSC_CHN0, several COMP inverting inputs, OPAMP4_VINP and I2C2_SCL."
},
{
"number": "30",
"name": "PA5",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI1_SCK, DAC_OUT2, ADC2_IN2, QSPI_SCK, TSC_CHN1, several COMP inverting inputs, OPAMP1_VINP, OPAMP2_VINM, OPAMP3_VINP and I2C2_SDA."
},
{
"number": "31",
"name": "PA6",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI1_MISO, TIM8_BKIN, ADC1_IN3, TIM3_CH1, COMP1_OUT, QSPI_IO0, TIM1_BKIN, OPAMP1_VOUT and COMP2_OUT."
},
{
"number": "32",
"name": "PA7",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI1_MOSI, TIM8_CH1N, ADC2_IN4, TIM3_CH2, QSPI_IO1, COMP2_OUT, TIM1_CH1N, COMP2_INP, OPAMP1_VINP, OPAMP2_VINP and COMP6_INM."
},
{
"number": "33",
"name": "PC4",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC2_IN5, QSPI_IO2, UART7_TX, I2C3_SCL, OPAMP3_VINM, COMP4_INM and COMP5_INP."
},
{
"number": "34",
"name": "PC5",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC2_IN12, QSPI_IO3, UART7_RX, I2C3_SDA, OPAMP4_VINP, COMP4_OUT and COMP6_INP."
},
{
"number": "35",
"name": "PB0",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN12, TIM3_CH3, TIM8_CH2N, TIM1_CH2N, UART6_TX, OPAMP2_VINP, COMP3_INP and COMP5_OUT."
},
{
"number": "36",
"name": "PB1",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC2_IN3, TIM3_CH4, TIM8_CH3N, COMP4_OUT, TIM1_CH3N, OPAMP2_VOUT, UART6_RX, COMP2_INM and COMP1_OUT."
},
{
"number": "37",
"name": "PB2/BOOT1",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); BOOT1 boot-mode function; alternate functions ADC2_IN13, UART4_TX and SPI1_NSS."
},
{
"number": "38",
"name": "PE7",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN13, TIM1_ETR, UART4_RX, SPI1_SCK and COMP3_INM."
},
{
"number": "39",
"name": "PE8",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN6, TIM1_CH1N, UART5_TX, SDIO_D0, SPI1_MISO, OPAMP2_INP and COMP2_INM."
},
{
"number": "40",
"name": "PE9",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN2, TIM1_CH1, UART5_RX, SDIO_D1 and SPI1_MOSI."
},
{
"number": "41",
"name": "PE10",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN14, TIM1_CH2N, SDIO_D2, SPI2_NSS and I2S2_WS."
},
{
"number": "42",
"name": "PE11",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN15, TIM1_CH2, SDIO_D3, SPI2_SCK and I2S2_CK."
},
{
"number": "43",
"name": "PE12",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN4, TIM1_CH3N, SDIO_CK and SPI2_MISO."
},
{
"number": "44",
"name": "PE13",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC3_IN3, TIM1_CH3, SPI2_MOSI, I2S2_SD and SDIO_CMD."
},
{
"number": "45",
"name": "PE14",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC4_IN1 and TIM1_CH4."
},
{
"number": "46",
"name": "PE15",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC4_IN2 and TIM1_BKIN."
},
{
"number": "47",
"name": "PB10",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with Yes fail-safe; alternate functions I2C2_SCL, USART3_TX, TIM2_CH3, COMP5_INM, OPAMP3_VINM, OPAMP4_VINM, COMP1_INP and COMP3_OUT."
},
{
"number": "48",
"name": "PB11",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions I2C2_SDA, USART3_RX, ADC3_IN1, TIM2_CH4, OPAMP3_VOUT, COMP2_INP and COMP5_OUT."
},
{
"number": "49",
"name": "VSS_1",
"type": "power_in",
"description": "Digital ground pin; all VSS pins must be connected to the external ground system."
},
{
"number": "50",
"name": "VDD_1",
"type": "power_in",
"description": "I/O and internal regulator supply, 1.8 to 3.6 V."
},
{
"number": "51",
"name": "PB12",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK, TIM1_BKIN, CAN2_RX, ADC4_IN3, COMP3_INM, OPAMP4_VOUT and COMP4_OUT."
},
{
"number": "52",
"name": "PB13",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI2_SCK, I2S2_CK, USART3_CTS, TIM1_CH1N, CAN2_TX, ADC3_IN5, UART5_TX and COMP4_INM."
},
{
"number": "53",
"name": "PB14",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI2_MISO, TIM1_CH2N, USART3_RTS, ADC4_IN4, TSC_CHN2, COMP3_INP and UART5_RX."
},
{
"number": "54",
"name": "PB15",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions SPI2_MOSI, I2S2_SD, TIM1_CH3N, ADC4_IN5, TSC_CHN3 and COMP4_INP."
},
{
"number": "55",
"name": "PD8",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC4_IN12, TSC_CHN4, USART3_TX, OPAMP4_VINM, SPI3_NSS, I2S3_WS, CAN1_RX, and COMP6_INM."
},
{
"number": "56",
"name": "PD9",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC4_IN13, TSC_CHN5, USART3_RX, SPI3_SCK, I2S3_CK, CAN1_TX and COMP6_INP."
},
{
"number": "57",
"name": "PD10",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN7, USART3_CK, CAN2_RX and COMP5_INM."
},
{
"number": "58",
"name": "PD11",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN8, TSC_CHN6, USART3_CTS, CAN2_TX and SPI3_MISO."
},
{
"number": "59",
"name": "PD12",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN9, TSC_CHN7, TIM4_CH1, USART3_RTS, SPI3_MOSI, I2S3_SD and COMP7_OUT."
},
{
"number": "60",
"name": "PD13",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN10 and TIM4_CH2."
},
{
"number": "61",
"name": "PD14",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable); alternate functions ADC34_IN11, TIM4_CH3, I2C4_SCL and TIM8_CH1."
},
{
"number": "62",
"name": "PD15",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions TIM4_CH4, I2C4_SDA and TIM8_CH2."
},
{
"number": "63",
"name": "PC6",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions I2S2_MCK, TIM3_CH1, TIM8_CH1, SDIO_D6, I2C4_SCL, TSC_CHN8, SPI2_NSS, I2S2_WS and USART2_CTS."
},
{
"number": "64",
"name": "PC7",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions I2S3_MCK, TIM8_CH2, SDIO_D7, I2C4_SDA, TSC_CHN9, TIM3_CH2, SPI2_SCK, I2S2_CK and USART2_RTS."
},
{
"number": "65",
"name": "PC8",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TIM8_CH3, SDIO_D0, TSC_CHN10, TIM3_CH3, SPI2_MISO and USART2_TX."
},
{
"number": "66",
"name": "PC9",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TIM8_CH4, SDIO_D1, TSC_CHN11, TIM3_CH4, SPI2_MOSI, I2S2_SD, USART2_RX, COMP6_OUT, OPAMP3_INP, OPAMP4_INM and COMP3_INP4."
},
{
"number": "67",
"name": "PA8",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions USART1_CK, TIM1_CH1 and MCO."
},
{
"number": "68",
"name": "PA9",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions USART1_TX, TIM1_CH2, TSC_DOUT and I2C4_SCL."
},
{
"number": "69",
"name": "PA10",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions USART1_RX, TIM1_CH3 and I2C4_SDA."
},
{
"number": "70",
"name": "PA11",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions USART1_CTS, USBDM, CAN1_RX, TIM1_CH4, COMP1_OUT and COMP5_OUT."
},
{
"number": "71",
"name": "PA12",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions USART1_RTS, USBDP, CAN1_TX, TIM1_ETR, COMP2_OUT and COMP6_OUT."
},
{
"number": "72",
"name": "PA13",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); default function JTMS-SWDIO (reset state) with alternate function UART4_TX."
},
{
"number": "73",
"name": "NC",
"type": "unconnected",
"description": "Pin marked 'Not Connect' in the LQFP100 pin definition table."
},
{
"number": "74",
"name": "VSS_2",
"type": "power_in",
"description": "Digital ground pin; all VSS pins must be connected to the external ground system."
},
{
"number": "75",
"name": "VDD_2",
"type": "power_in",
"description": "I/O and internal regulator supply, 1.8 to 3.6 V."
},
{
"number": "76",
"name": "PA14",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); default function JTCK-SWCLK (reset state) with alternate function UART4_RX."
},
{
"number": "77",
"name": "PA15",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); default function JTDI (reset state, pull-up) with alternate functions SPI3_NSS, I2S3_WS, TIM2_CH1_ETR, SPI1_NSS, USART2_CTS and TIM8_CH1N."
},
{
"number": "78",
"name": "PC10",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions UART4_TX, SDIO_D2, TSC_CHN12, USART3_TX, SPI3_SCK, I2S3_CK, QSPI_NSS and COMP3_OUT."
},
{
"number": "79",
"name": "PC11",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions UART4_RX, SDIO_D3, TSC_CHN13, USART3_RX, SPI3_MISO, QSPI_SCK and COMP4_OUT."
},
{
"number": "80",
"name": "PC12",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions UART5_TX, SDIO_CK, TSC_CHN14, USART3_CK, SPI3_MOSI, I2S3_SD, QSPI_IO0 and TIM8_CH2N."
},
{
"number": "81",
"name": "PD0",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); inherent PD0 function on LQFP100 (no remap needed); alternate functions CAN1_RX, UART4_TX and QSPI_IO1."
},
{
"number": "82",
"name": "PD1",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); inherent PD1 function on LQFP100 (no remap needed); alternate functions CAN1_TX, UART4_RX and QSPI_IO2."
},
{
"number": "83",
"name": "PD2",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TIM3_ETR, UART5_RX, SDIO_CMD, TSC_CHN15, SPI3_NSS, I2S3_WS, QSPI_IO3 and TIM8_CH3N."
},
{
"number": "84",
"name": "PD3",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate function USART2_CTS."
},
{
"number": "85",
"name": "PD4",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TSC_CHN16 and USART2_RTS."
},
{
"number": "86",
"name": "PD5",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TSC_CHN17 and USART2_TX."
},
{
"number": "87",
"name": "PD6",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TSC_CHN18 and USART2_RX."
},
{
"number": "88",
"name": "PD7",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TSC_CHN19 and USART2_CK."
},
{
"number": "89",
"name": "PB3",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); default function JTDO (reset state) with remap PB3, TRACESWO, TIM2_CH2, SPI1_SCK, USART2_RTS and TIM8_BKIN."
},
{
"number": "90",
"name": "PB4",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); default function NJTRST (reset state) with remap PB4, TIM3_CH1, SPI1_MISO, USART2_TX and TIM8_ETR."
},
{
"number": "91",
"name": "PB5",
"type": "bidirectional",
"description": "FT I/O (5 V tolerant, fail-safe); alternate functions I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2, SPI1_MOSI, CAN2_RX, USART2_RX and TIM1_BKIN."
},
{
"number": "92",
"name": "PB6",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions I2C1_SCL, TIM4_CH1, TSC_CHN20, USART1_TX, CAN2_TX and COMP5_OUT."
},
{
"number": "93",
"name": "PB7",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions I2C1_SDA, TIM4_CH2, TSC_CHN21, USART1_RX and COMP6_OUT."
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{
"number": "94",
"name": "BOOT0",
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{
"number": "95",
"name": "PB8",
"type": "bidirectional",
"description": "TTa I/O (3.3 V tolerant, analog-capable) with fail-safe; alternate functions TIM4_CH3, SDIO_D4, COMP1_OUT, TSC_CN22, I2C1_SCL, CAN1_RX and UART5_TX."
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{
"number": "96",
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{
"number": "97",
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"description": "FT I/O (5 V tolerant, fail-safe); alternate function TIM4_ETR."
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{
"number": "98",
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"description": "FT I/O (5 V tolerant, fail-safe); no alternate function listed in the pin table."
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{
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"description": "Digital ground pin; all VSS pins must be connected to the external ground system."
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"number": "100",
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"type": "power_in",
"description": "I/O and internal regulator supply, 1.8 to 3.6 V."
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