component
STM32F103RET6TR
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+95@@ -0,0 +1,95 @@+# STM32F103RET6TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32F103RET6TR from STMicroelectronics, in a LQFP-64(10x10). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | VBAT | power_in | Battery backup supply for RTC and backup domain; 1.8 V to 3.6 V input. |+| 2 | PC13-TAMPER-RTC | bidirectional | GPIO port C bit 13 with limited current (3 mA max); 5 V tolerant; RTC tamper function. |+| 3 | PC14-OSC32_IN | bidirectional | GPIO port C bit 14; 32 kHz external oscillator input for RTC; 5 V tolerant. |+| 4 | PC15-OSC32_OUT | bidirectional | GPIO port C bit 15; 32 kHz external oscillator output; 5 V tolerant. |+| 5 | PD0 | input | GPIO port D bit 0; configured as OSC_IN (external oscillator input) after reset; remappable to CAN_RX. |+| 6 | PD1 | output | GPIO port D bit 1; configured as OSC_OUT (external oscillator output) after reset; remappable to CAN_TX. |+| 7 | NRST | bidirectional | System reset pin with internal pull-up (30-50 kΩ) and filtering; VIL max 0.8 V, VIH min 2.0 V. |+| 8 | PC0 | bidirectional | GPIO port C bit 0; 5 V tolerant; ADC123 input channel 10 alternate function. |+| 9 | PC1 | bidirectional | GPIO port C bit 1; 5 V tolerant; ADC123 input channel 11 alternate function. |+| 10 | PC2 | bidirectional | GPIO port C bit 2; 5 V tolerant; ADC123 input channel 12 alternate function. |+| 11 | PC3 | bidirectional | GPIO port C bit 3; 5 V tolerant; ADC123 input channel 13 alternate function; not bonded in WLCSP64. |+| 12 | VSSA | power_in | Analog ground for ADC and DAC; must be connected to VSS. |+| 13 | VDDA | power_in | Analog power supply (2.4 V to 3.6 V) for ADC, DAC, and PLL; must connect to VDD. |+| 14 | PA0-WKUP | bidirectional | GPIO port A bit 0 with wakeup capability from Standby mode; 5 V tolerant; ADC123 channel 0. |+| 15 | PA1 | bidirectional | GPIO port A bit 1; 5 V tolerant; ADC123 channel 1; USART2_RTS alternate function. |+| 16 | PA2 | bidirectional | GPIO port A bit 2; 5 V tolerant; ADC123 channel 2; USART2_TX alternate function. |+| 17 | PA3 | bidirectional | GPIO port A bit 3; 5 V tolerant; ADC123 channel 3; USART2_RX alternate function. |+| 18 | VSS_4 | power_in | Ground supply pin for digital logic; must be connected to external ground. |+| 19 | VDD_4 | power_in | Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor. |+| 20 | PA4 | bidirectional | GPIO port A bit 4; 5 V tolerant; ADC12 channel 4; SPI1_NSS/DAC_OUT1 alternate functions. |+| 21 | PA5 | bidirectional | GPIO port A bit 5; 5 V tolerant; ADC12 channel 5; SPI1_SCK/DAC_OUT2 alternate functions. |+| 22 | PA6 | bidirectional | GPIO port A bit 6; 5 V tolerant; ADC12 channel 6; SPI1_MISO/TIM3_CH1 alternate functions. |+| 23 | PA7 | bidirectional | GPIO port A bit 7; 5 V tolerant; ADC12 channel 7; SPI1_MOSI/TIM3_CH2 alternate functions. |+| 24 | PC4 | bidirectional | GPIO port C bit 4; 5 V tolerant; ADC12 input channel 14. |+| 25 | PC5 | bidirectional | GPIO port C bit 5; 5 V tolerant; ADC12 input channel 15. |+| 26 | PB0 | bidirectional | GPIO port B bit 0; 5 V tolerant; ADC12 channel 8; TIM3_CH3 alternate function. |+| 27 | PB1 | bidirectional | GPIO port B bit 1; 5 V tolerant; ADC12 channel 9; TIM3_CH4 alternate function. |+| 28 | PB2 | bidirectional | GPIO port B bit 2; 5 V tolerant; boot pin BOOT1 function; can source/sink ±8 mA. |+| 29 | PB10 | bidirectional | GPIO port B bit 10; 5 V tolerant; I2C2_SCL/USART3_TX/TIM2_CH3 alternate functions. |+| 30 | PB11 | bidirectional | GPIO port B bit 11; 5 V tolerant; I2C2_SDA/USART3_RX/TIM2_CH4 alternate functions. |+| 31 | VSS_1 | power_in | Ground supply pin for digital logic; must be connected to external ground. |+| 32 | VDD_1 | power_in | Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor. |+| 33 | PB12 | bidirectional | GPIO port B bit 12; 5 V tolerant; SPI2_NSS/I2S2_WS/I2C2_SMBA/USART3_CK alternate functions. |+| 34 | PB13 | bidirectional | GPIO port B bit 13; 5 V tolerant; SPI2_SCK/I2S2_CK/USART3_CTS/TIM1_CH1N alternate functions. |+| 35 | PB14 | bidirectional | GPIO port B bit 14; 5 V tolerant; SPI2_MISO/TIM1_CH2N/USART3_RTS alternate functions. |+| 36 | PB15 | bidirectional | GPIO port B bit 15; 5 V tolerant; SPI2_MOSI/I2S2_SD/TIM1_CH3N alternate functions. |+| 41 | PA8 | bidirectional | GPIO port A bit 8; 5 V tolerant; USART1_CK/TIM1_CH1/MCO (main clock output) alternate functions. |+| 42 | PA9 | bidirectional | GPIO port A bit 9; 5 V tolerant; USART1_TX/TIM1_CH2 alternate functions. |+| 43 | PA10 | bidirectional | GPIO port A bit 10; 5 V tolerant; USART1_RX/TIM1_CH3 alternate functions. |+| 44 | PA11 | bidirectional | GPIO port A bit 11; 5 V tolerant; USART1_CTS/USB_DM/CAN_RX/TIM1_CH4 alternate functions. |+| 45 | PA12 | bidirectional | GPIO port A bit 12; 5 V tolerant; USART1_RTS/USB_DP/CAN_TX/TIM1_ETR alternate functions. |+| 46 | PA13 | bidirectional | GPIO port A bit 13; 5 V tolerant; JTMS-SWDIO debug interface pin; cannot be used as GPIO. |+| 47 | VSS_2 | power_in | Ground supply pin for digital logic; must be connected to external ground. |+| 48 | VDD_2 | power_in | Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor. |+| 49 | PA14 | bidirectional | GPIO port A bit 14; 5 V tolerant; JTCK-SWCLK debug interface pin; cannot be used as GPIO. |+| 50 | PA15 | bidirectional | GPIO port A bit 15; 5 V tolerant; JTDI debug/SPI3_NSS/I2S3_WS/TIM2_CH1_ETR alternate functions. |+| 51 | PC10 | bidirectional | GPIO port C bit 10; 5 V tolerant; UART4_TX/SDIO_D2/USART3_TX alternate functions. |+| 52 | PC11 | bidirectional | GPIO port C bit 11; 5 V tolerant; UART4_RX/SDIO_D3/USART3_RX alternate functions. |+| 53 | PC12 | bidirectional | GPIO port C bit 12; 5 V tolerant; UART5_TX/SDIO_CK/USART3_CK alternate functions. |+| 55 | PB3 | bidirectional | GPIO port B bit 3; 5 V tolerant; JTDO debug/SPI3_SCK/I2S3_CK/TRACESWO/TIM2_CH2/SPI1_SCK alternate functions. |+| 56 | PB4 | bidirectional | GPIO port B bit 4; 5 V tolerant; NJTRST debug/SPI3_MISO/PB4/TIM3_CH1/SPI1_MISO alternate functions. |+| 57 | PB5 | bidirectional | GPIO port B bit 5; 5 V tolerant (no FT specified); I2C1_SMBA/SPI3_MOSI/I2S3_SD/TIM3_CH2/SPI1_MOSI alternate functions. |+| 58 | PB6 | bidirectional | GPIO port B bit 6; 5 V tolerant; I2C1_SCL/TIM4_CH1/USART1_TX alternate functions. |+| 59 | PB7 | bidirectional | GPIO port B bit 7; 5 V tolerant; I2C1_SDA/FSMC_NADV/TIM4_CH2/USART1_RX alternate functions. |+| 60 | BOOT0 | input | Boot mode pin (active high); determines boot from flash, system memory, or SRAM on reset. |+| 61 | PB8 | bidirectional | GPIO port B bit 8; 5 V tolerant; TIM4_CH3/SDIO_D4/I2C1_SCL/CAN_RX alternate functions. |+| 62 | PB9 | bidirectional | GPIO port B bit 9; 5 V tolerant; TIM4_CH4/SDIO_D5/I2C1_SDA/CAN_TX alternate functions. |+| 63 | VSS_3 | power_in | Ground supply pin for digital logic; must be connected to external ground. |+| 64 | VDD_3 | power_in | Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32F103RET6TR`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32f103ret6tr-etched.step` / `stm32f103ret6tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f103ret6tr.step` / `stm32f103ret6tr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884713767780352) (143 pp, sha256 `c61db5e362b62f2f`, retrieved 2026-09-29, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/stm32f103ret6tr-datasheet.pdf)
page.jsonadded+448@@ -0,0 +1,448 @@+{+ "slug": "stm32f103ret6tr",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32f103ret6tr",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32f103ret6tr.kicad_sym",+ "stm32f103ret6tr.kicad_mod",+ "stm32f103ret6tr.glb",+ "stm32f103ret6tr.step",+ "stm32f103ret6tr.lbr",+ "docs/hero.png",+ "docs/stm32f103ret6tr-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32F103RET6TR",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-64(10x10)",+ "pin_count": 59,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884713767780352",+ "parts": {+ "symbol": "stm32f103ret6tr.kicad_sym",+ "footprint": "stm32f103ret6tr.kicad_mod",+ "model_3d": "stm32f103ret6tr-etched.glb",+ "model_3d_plain": "stm32f103ret6tr.glb",+ "model_3d_step": "stm32f103ret6tr-etched.step",+ "model_3d_step_plain": "stm32f103ret6tr.step",+ "lbr": "stm32f103ret6tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C427099",+ "digikey": "497-17387-2-ND",+ "mouser": "511-STM32F103RET6TR"+ },+ "distributor_check": {+ "checked_at": "2026-09-29T14:50:44Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17387-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32F103RET6TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Battery backup supply for RTC and backup domain; 1.8 V to 3.6 V input."+ },+ {+ "number": "2",+ "name": "PC13-TAMPER-RTC",+ "type": "bidirectional",+ "description": "GPIO port C bit 13 with limited current (3 mA max); 5 V tolerant; RTC tamper function."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "GPIO port C bit 14; 32 kHz external oscillator input for RTC; 5 V tolerant."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "GPIO port C bit 15; 32 kHz external oscillator output; 5 V tolerant."+ },+ {+ "number": "5",+ "name": "PD0",+ "type": "input",+ "description": "GPIO port D bit 0; configured as OSC_IN (external oscillator input) after reset; remappable to CAN_RX."+ },+ {+ "number": "6",+ "name": "PD1",+ "type": "output",+ "description": "GPIO port D bit 1; configured as OSC_OUT (external oscillator output) after reset; remappable to CAN_TX."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "System reset pin with internal pull-up (30-50 kΩ) and filtering; VIL max 0.8 V, VIH min 2.0 V."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "GPIO port C bit 0; 5 V tolerant; ADC123 input channel 10 alternate function."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "GPIO port C bit 1; 5 V tolerant; ADC123 input channel 11 alternate function."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "GPIO port C bit 2; 5 V tolerant; ADC123 input channel 12 alternate function."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "GPIO port C bit 3; 5 V tolerant; ADC123 input channel 13 alternate function; not bonded in WLCSP64."+ },+ {+ "number": "12",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground for ADC and DAC; must be connected to VSS."+ },+ {+ "number": "13",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply (2.4 V to 3.6 V) for ADC, DAC, and PLL; must connect to VDD."+ },+ {+ "number": "14",+ "name": "PA0-WKUP",+ "type": "bidirectional",+ "description": "GPIO port A bit 0 with wakeup capability from Standby mode; 5 V tolerant; ADC123 channel 0."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "GPIO port A bit 1; 5 V tolerant; ADC123 channel 1; USART2_RTS alternate function."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "GPIO port A bit 2; 5 V tolerant; ADC123 channel 2; USART2_TX alternate function."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "GPIO port A bit 3; 5 V tolerant; ADC123 channel 3; USART2_RX alternate function."+ },+ {+ "number": "18",+ "name": "VSS_4",+ "type": "power_in",+ "description": "Ground supply pin for digital logic; must be connected to external ground."+ },+ {+ "number": "19",+ "name": "VDD_4",+ "type": "power_in",+ "description": "Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "GPIO port A bit 4; 5 V tolerant; ADC12 channel 4; SPI1_NSS/DAC_OUT1 alternate functions."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "GPIO port A bit 5; 5 V tolerant; ADC12 channel 5; SPI1_SCK/DAC_OUT2 alternate functions."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "GPIO port A bit 6; 5 V tolerant; ADC12 channel 6; SPI1_MISO/TIM3_CH1 alternate functions."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "GPIO port A bit 7; 5 V tolerant; ADC12 channel 7; SPI1_MOSI/TIM3_CH2 alternate functions."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "GPIO port C bit 4; 5 V tolerant; ADC12 input channel 14."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "GPIO port C bit 5; 5 V tolerant; ADC12 input channel 15."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "GPIO port B bit 0; 5 V tolerant; ADC12 channel 8; TIM3_CH3 alternate function."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "GPIO port B bit 1; 5 V tolerant; ADC12 channel 9; TIM3_CH4 alternate function."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "GPIO port B bit 2; 5 V tolerant; boot pin BOOT1 function; can source/sink ±8 mA."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "GPIO port B bit 10; 5 V tolerant; I2C2_SCL/USART3_TX/TIM2_CH3 alternate functions."+ },+ {+ "number": "30",+ "name": "PB11",+ "type": "bidirectional",+ "description": "GPIO port B bit 11; 5 V tolerant; I2C2_SDA/USART3_RX/TIM2_CH4 alternate functions."+ },+ {+ "number": "31",+ "name": "VSS_1",+ "type": "power_in",+ "description": "Ground supply pin for digital logic; must be connected to external ground."+ },+ {+ "number": "32",+ "name": "VDD_1",+ "type": "power_in",+ "description": "Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "GPIO port B bit 12; 5 V tolerant; SPI2_NSS/I2S2_WS/I2C2_SMBA/USART3_CK alternate functions."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "GPIO port B bit 13; 5 V tolerant; SPI2_SCK/I2S2_CK/USART3_CTS/TIM1_CH1N alternate functions."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "GPIO port B bit 14; 5 V tolerant; SPI2_MISO/TIM1_CH2N/USART3_RTS alternate functions."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "GPIO port B bit 15; 5 V tolerant; SPI2_MOSI/I2S2_SD/TIM1_CH3N alternate functions."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "GPIO port A bit 8; 5 V tolerant; USART1_CK/TIM1_CH1/MCO (main clock output) alternate functions."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "GPIO port A bit 9; 5 V tolerant; USART1_TX/TIM1_CH2 alternate functions."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "GPIO port A bit 10; 5 V tolerant; USART1_RX/TIM1_CH3 alternate functions."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "GPIO port A bit 11; 5 V tolerant; USART1_CTS/USB_DM/CAN_RX/TIM1_CH4 alternate functions."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "GPIO port A bit 12; 5 V tolerant; USART1_RTS/USB_DP/CAN_TX/TIM1_ETR alternate functions."+ },+ {+ "number": "46",+ "name": "PA13",+ "type": "bidirectional",+ "description": "GPIO port A bit 13; 5 V tolerant; JTMS-SWDIO debug interface pin; cannot be used as GPIO."+ },+ {+ "number": "47",+ "name": "VSS_2",+ "type": "power_in",+ "description": "Ground supply pin for digital logic; must be connected to external ground."+ },+ {+ "number": "48",+ "name": "VDD_2",+ "type": "power_in",+ "description": "Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor."+ },+ {+ "number": "49",+ "name": "PA14",+ "type": "bidirectional",+ "description": "GPIO port A bit 14; 5 V tolerant; JTCK-SWCLK debug interface pin; cannot be used as GPIO."+ },+ {+ "number": "50",+ "name": "PA15",+ "type": "bidirectional",+ "description": "GPIO port A bit 15; 5 V tolerant; JTDI debug/SPI3_NSS/I2S3_WS/TIM2_CH1_ETR alternate functions."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "GPIO port C bit 10; 5 V tolerant; UART4_TX/SDIO_D2/USART3_TX alternate functions."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "GPIO port C bit 11; 5 V tolerant; UART4_RX/SDIO_D3/USART3_RX alternate functions."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "GPIO port C bit 12; 5 V tolerant; UART5_TX/SDIO_CK/USART3_CK alternate functions."+ },+ {+ "number": "55",+ "name": "PB3",+ "type": "bidirectional",+ "description": "GPIO port B bit 3; 5 V tolerant; JTDO debug/SPI3_SCK/I2S3_CK/TRACESWO/TIM2_CH2/SPI1_SCK alternate functions."+ },+ {+ "number": "56",+ "name": "PB4",+ "type": "bidirectional",+ "description": "GPIO port B bit 4; 5 V tolerant; NJTRST debug/SPI3_MISO/PB4/TIM3_CH1/SPI1_MISO alternate functions."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "GPIO port B bit 5; 5 V tolerant (no FT specified); I2C1_SMBA/SPI3_MOSI/I2S3_SD/TIM3_CH2/SPI1_MOSI alternate functions."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "GPIO port B bit 6; 5 V tolerant; I2C1_SCL/TIM4_CH1/USART1_TX alternate functions."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "GPIO port B bit 7; 5 V tolerant; I2C1_SDA/FSMC_NADV/TIM4_CH2/USART1_RX alternate functions."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Boot mode pin (active high); determines boot from flash, system memory, or SRAM on reset."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "GPIO port B bit 8; 5 V tolerant; TIM4_CH3/SDIO_D4/I2C1_SCL/CAN_RX alternate functions."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "GPIO port B bit 9; 5 V tolerant; TIM4_CH4/SDIO_D5/I2C1_SDA/CAN_TX alternate functions."+ },+ {+ "number": "63",+ "name": "VSS_3",+ "type": "power_in",+ "description": "Ground supply pin for digital logic; must be connected to external ground."+ },+ {+ "number": "64",+ "name": "VDD_3",+ "type": "power_in",+ "description": "Power supply pin (2.0 V to 3.6 V) for digital logic; requires 100 nF bypass capacitor."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884713767780352",+ "pages": 143,+ "sha256": "c61db5e362b62f2f",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 59,+ "described": 59,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}