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STM32F303RBT6TR
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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+100@@ -0,0 +1,100 @@+# STM32F303RBT6TR++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32F303RBT6TR 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 | Backup power supply for the RTC and backup registers. |+| 2 | PC13 | bidirectional | Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz max at 30 pF and it must not source current such as driving an LED. |+| 3 | PC14/OSC32_IN | bidirectional | Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_IN for the 32.768 kHz oscillator. |+| 4 | PC15/OSC32_OUT | bidirectional | Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_OUT for the 32.768 kHz oscillator. |+| 5 | PF0/OSC_IN | bidirectional | 5 V tolerant FM+ capable I/O (FTf), also used as OSC_IN for the external crystal oscillator input. |+| 6 | PF1/OSC_OUT | bidirectional | 5 V tolerant FM+ capable I/O (FTf), also used as OSC_OUT for the external crystal oscillator output. |+| 7 | NRST | bidirectional | Bidirectional device reset pin, active low, with embedded weak pull-up; acts as reset input and internal reset output. |+| 8 | PC0 | bidirectional | 3.3 V tolerant I/O directly connected to the ADC (ADC12_IN6), with COMP7_INM and EVENTOUT functions. |+| 9 | PC1 | bidirectional | 3.3 V tolerant I/O directly connected to the ADC (ADC12_IN7), with COMP7_INP and EVENTOUT functions. |+| 10 | PC2 | bidirectional | 3.3 V tolerant I/O directly connected to the ADC (ADC12_IN8), with COMP7_OUT and EVENTOUT functions. |+| 11 | PC3 | bidirectional | 3.3 V tolerant I/O directly connected to the ADC (ADC12_IN9), with TIM1_BKIN2 and EVENTOUT functions. |+| 12 | VSSA/VREF- | power_in | Analog ground and negative reference voltage. |+| 13 | VDDA/VREF+ | power_in | Analog power supply (2.0 to 3.6 V) and positive reference voltage; on the 64-pin package VREF+ is internally connected to VDDA. |+| 14 | PA0 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN1, with USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1 and WKUP1 functions. |+| 15 | PA1 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN2, with USART2_RTS_DE, TIM2_CH2, TSC_G1_IO2 and RTC_REFIN functions. |+| 16 | PA2 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN3, with USART2_TX, TIM2_CH3, TSC_G1_IO3 and COMP2_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 17 | PA3 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN4, with USART2_RX, TIM2_CH4, TSC_G1_IO4 and OPAMP1_VINM functions. |+| 18 | PF4 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN5, with COMP1_OUT and EVENTOUT functions. |+| 19 | VDD | power_in | Digital power supply (2.0 to 3.6 V). |+| 20 | PA4 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN1, with DAC1_OUT1, SPI1_NSS and USART2_CK functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 21 | PA5 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN2, with DAC1_OUT2, SPI1_SCK and TSC_G2_IO2 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 22 | PA6 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN3, with SPI1_MISO, TIM16_CH1 and TIM3_CH1 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 23 | PA7 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN4, with SPI1_MOSI, TIM17_CH1 and TIM3_CH2 functions. |+| 24 | PC4 | bidirectional | 3.3 V tolerant I/O directly connected to ADC (ADC2_IN5), with USART1_TX and EVENTOUT functions. |+| 25 | PC5 | bidirectional | 3.3 V tolerant I/O directly connected to ADC (ADC2_IN11), with USART1_RX and TSC_G3_IO1 functions. |+| 26 | PB0 | bidirectional | 3.3 V tolerant I/O directly connected to ADC (ADC3_IN12), with TIM3_CH3, TIM1_CH2N and TSC_G3_IO2 functions. |+| 27 | PB1 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN1, with TIM3_CH4, TIM1_CH3N and COMP4_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 28 | PB2 | bidirectional | 3.3 V tolerant I/O directly connected to ADC (ADC2_IN12), with TSC_G3_IO4 and COMP4_INM functions. |+| 29 | PB10 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, with USART3_TX, TIM2_CH3 and TSC_SYNC functions. |+| 30 | PB11 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, with USART3_RX, TIM2_CH4 and TSC_G6_IO1 functions. |+| 31 | VSS | power_in | Digital ground. |+| 32 | VDD | power_in | Digital power supply (2.0 to 3.6 V). |+| 33 | PB12 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN3, with SPI2_NSS, I2S2_WS, I2C2_SMBA and USART3_CK; reduced touch sensing sensitivity, recommended as sampling capacitor I/O. |+| 34 | PB13 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN5, with SPI2_SCK, I2S2_CK, USART3_CTS and TIM1_CH1N functions. |+| 35 | PB14 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN4, with SPI2_MISO, I2S2ext_SD, USART3_RTS_DE and TIM1_CH2N functions. |+| 36 | PB15 | bidirectional | 3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN5, with SPI2_MOSI, I2S2_SD, RTC_REFIN and TIM15_CH2 functions. |+| 37 | PC6 | bidirectional | 5 V tolerant I/O (FT) with I2S2_MCK, COMP6_OUT, TIM8_CH1 and TIM3_CH1 functions. |+| 38 | PC7 | bidirectional | 5 V tolerant I/O (FT) with I2S3_MCK, TIM8_CH2, TIM3_CH2 and COMP5_OUT functions. |+| 39 | PC8 | bidirectional | 5 V tolerant I/O (FT) with TIM8_CH3, TIM3_CH3 and COMP3_OUT functions. |+| 40 | PC9 | bidirectional | 5 V tolerant I/O (FT) with TIM8_CH4, TIM8_BKIN2, TIM3_CH4 and I2S_CKIN functions. |+| 41 | PA8 | bidirectional | 5 V tolerant I/O (FT) with MCO, I2C2_SMBA, USART1_CK, TIM1_CH1 and COMP3_OUT functions. |+| 42 | PA9 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C2_SCL, USART1_TX, TIM1_CH2, TIM2_CH3 and COMP5_OUT functions. |+| 43 | PA10 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C2_SDA, USART1_RX, TIM1_CH3, TIM2_CH4 and COMP6_OUT functions. |+| 44 | PA11 | bidirectional | 5 V tolerant I/O (FT) with USART1_CTS, USB_DM, CAN_RX, TIM1_CH1N and COMP1_OUT functions. |+| 45 | PA12 | bidirectional | 5 V tolerant I/O (FT) with USART1_RTS_DE, USB_DP, CAN_TX, TIM1_CH2N and COMP2_OUT functions. |+| 46 | PA13 | bidirectional | 5 V tolerant I/O (FT) with SWDIO-JTMS, IR_OUT, USART3_CTS, TIM4_CH3 and TIM16_CH1N functions. |+| 47 | VSS | power_in | Ground. |+| 48 | VDD | power_in | Digital power supply (2.0 to 3.6 V). |+| 49 | PA14 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with SWCLK-JTCK, I2C1_SDA, USART2_TX, TIM8_CH2 and TIM1_BKIN functions. |+| 50 | PA15 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with JTDI, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX and TIM2_CH1_ETR functions. |+| 51 | PC10 | bidirectional | 5 V tolerant I/O (FT) with SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX and TIM8_CH1N functions. |+| 52 | PC11 | bidirectional | 5 V tolerant I/O (FT) with SPI3_MISO, I2S3ext_SD, USART3_RX, UART4_RX and TIM8_CH2N functions. |+| 53 | PC12 | bidirectional | 5 V tolerant I/O (FT) with SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX and TIM8_CH3N functions. |+| 54 | PD2 | bidirectional | 5 V tolerant I/O (FT) with UART5_RX, TIM3_ETR and TIM8_BKIN functions. |+| 55 | PB3 | bidirectional | 5 V tolerant I/O (FT) with JTDO-TRACESWO, SPI3_SCK, I2S3_CK, SPI1_SCK, USART2_TX and TIM2_CH2 functions. |+| 56 | PB4 | bidirectional | 5 V tolerant I/O (FT) with NJTRST, SPI3_MISO, I2S3ext_SD, SPI1_MISO, USART2_RX and TIM3_CH1 functions. |+| 57 | PB5 | bidirectional | 5 V tolerant I/O (FT) with SPI3_MOSI, SPI1_MOSI, I2S3_SD, I2C1_SMBA, USART2_CK and TIM3_CH2 functions. |+| 58 | PB6 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, USART1_TX, TIM16_CH1N, TIM4_CH1 and TIM8_CH1 functions. |+| 59 | PB7 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, USART1_RX, TIM3_CH4, TIM4_CH2 and TIM17_CH1N functions. |+| 60 | BOOT0 | input | Dedicated BOOT0 pin used for boot memory selection. |+| 61 | PB8 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, CAN_RX, TIM16_CH1, TIM4_CH3 and COMP1_OUT functions. |+| 62 | PB9 | bidirectional | 5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, CAN_TX, TIM17_CH1, TIM4_CH4 and IR_OUT functions. |+| 63 | VSS | power_in | Ground. |+| 64 | VDD | power_in | Digital power supply (2.0 to 3.6 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32F303RBT6TR`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32f303rbt6tr-etched.step` / `stm32f303rbt6tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f303rbt6tr.step` / `stm32f303rbt6tr.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/8588894265917517824) (149 pp, sha256 `46c415ce4e7e8ebd`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/stm32f303rbt6tr-datasheet.pdf)
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"stm32f303rbt6tr.kicad_sym",+ "footprint": "stm32f303rbt6tr.kicad_mod",+ "model_3d": "stm32f303rbt6tr-hero.glb",+ "model_3d_plain": "stm32f303rbt6tr.glb",+ "model_3d_step": "stm32f303rbt6tr-etched.step",+ "model_3d_step_plain": "stm32f303rbt6tr.step",+ "lbr": "stm32f303rbt6tr.lbr"+ },+ "distributor_links": {+ "lcsc": "C2053891",+ "digikey": "497-18777-2-ND",+ "mouser": "511-STM32F303RBT6TR"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T03:00:23Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-18777-2-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32F303RBT6TR",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup power supply for the RTC and backup registers."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz max at 30 pF and it must not source current such as driving an LED."+ },+ {+ "number": "3",+ "name": "PC14/OSC32_IN",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_IN for the 32.768 kHz oscillator."+ },+ {+ "number": "4",+ "name": "PC15/OSC32_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O supplied through the power switch (3 mA limit, 2 MHz max at 30 pF, no current sourcing), also used as OSC32_OUT for the 32.768 kHz oscillator."+ },+ {+ "number": "5",+ "name": "PF0/OSC_IN",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf), also used as OSC_IN for the external crystal oscillator input."+ },+ {+ "number": "6",+ "name": "PF1/OSC_OUT",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf), also used as OSC_OUT for the external crystal oscillator output."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional device reset pin, active low, with embedded weak pull-up; acts as reset input and internal reset output."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN6), with COMP7_INM and EVENTOUT functions."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN7), with COMP7_INP and EVENTOUT functions."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN8), with COMP7_OUT and EVENTOUT functions."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to the ADC (ADC12_IN9), with TIM1_BKIN2 and EVENTOUT functions."+ },+ {+ "number": "12",+ "name": "VSSA/VREF-",+ "type": "power_in",+ "description": "Analog ground and negative reference voltage."+ },+ {+ "number": "13",+ "name": "VDDA/VREF+",+ "type": "power_in",+ "description": "Analog power supply (2.0 to 3.6 V) and positive reference voltage; on the 64-pin package VREF+ is internally connected to VDDA."+ },+ {+ "number": "14",+ "name": "PA0",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN1, with USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1 and WKUP1 functions."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN2, with USART2_RTS_DE, TIM2_CH2, TSC_G1_IO2 and RTC_REFIN functions."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN3, with USART2_TX, TIM2_CH3, TSC_G1_IO3 and COMP2_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN4, with USART2_RX, TIM2_CH4, TSC_G1_IO4 and OPAMP1_VINM functions."+ },+ {+ "number": "18",+ "name": "PF4",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC1_IN5, with COMP1_OUT and EVENTOUT functions."+ },+ {+ "number": "19",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply (2.0 to 3.6 V)."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN1, with DAC1_OUT1, SPI1_NSS and USART2_CK functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN2, with DAC1_OUT2, SPI1_SCK and TSC_G2_IO2 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN3, with SPI1_MISO, TIM16_CH1 and TIM3_CH1 functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC2_IN4, with SPI1_MOSI, TIM17_CH1 and TIM3_CH2 functions."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN5), with USART1_TX and EVENTOUT functions."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN11), with USART1_RX and TSC_G3_IO1 functions."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC (ADC3_IN12), with TIM3_CH3, TIM1_CH2N and TSC_G3_IO2 functions."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN1, with TIM3_CH4, TIM1_CH3N and COMP4_OUT functions; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC (ADC2_IN12), with TSC_G3_IO4 and COMP4_INM functions."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, with USART3_TX, TIM2_CH3 and TSC_SYNC functions."+ },+ {+ "number": "30",+ "name": "PB11",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, with USART3_RX, TIM2_CH4 and TSC_G6_IO1 functions."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply (2.0 to 3.6 V)."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN3, with SPI2_NSS, I2S2_WS, I2C2_SMBA and USART3_CK; reduced touch sensing sensitivity, recommended as sampling capacitor I/O."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC3_IN5, with SPI2_SCK, I2S2_CK, USART3_CTS and TIM1_CH1N functions."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN4, with SPI2_MISO, I2S2ext_SD, USART3_RTS_DE and TIM1_CH2N functions."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "3.3 V tolerant I/O directly connected to ADC, fast ADC channel ADC4_IN5, with SPI2_MOSI, I2S2_SD, RTC_REFIN and TIM15_CH2 functions."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with I2S2_MCK, COMP6_OUT, TIM8_CH1 and TIM3_CH1 functions."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with I2S3_MCK, TIM8_CH2, TIM3_CH2 and COMP5_OUT functions."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with TIM8_CH3, TIM3_CH3 and COMP3_OUT functions."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with TIM8_CH4, TIM8_BKIN2, TIM3_CH4 and I2S_CKIN functions."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with MCO, I2C2_SMBA, USART1_CK, TIM1_CH1 and COMP3_OUT functions."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C2_SCL, USART1_TX, TIM1_CH2, TIM2_CH3 and COMP5_OUT functions."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C2_SDA, USART1_RX, TIM1_CH3, TIM2_CH4 and COMP6_OUT functions."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with USART1_CTS, USB_DM, CAN_RX, TIM1_CH1N and COMP1_OUT functions."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with USART1_RTS_DE, USB_DP, CAN_TX, TIM1_CH2N and COMP2_OUT functions."+ },+ {+ "number": "46",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with SWDIO-JTMS, IR_OUT, USART3_CTS, TIM4_CH3 and TIM16_CH1N functions."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply (2.0 to 3.6 V)."+ },+ {+ "number": "49",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with SWCLK-JTCK, I2C1_SDA, USART2_TX, TIM8_CH2 and TIM1_BKIN functions."+ },+ {+ "number": "50",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with JTDI, I2C1_SCL, SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_RX and TIM2_CH1_ETR functions."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX and TIM8_CH1N functions."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with SPI3_MISO, I2S3ext_SD, USART3_RX, UART4_RX and TIM8_CH2N functions."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX and TIM8_CH3N functions."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with UART5_RX, TIM3_ETR and TIM8_BKIN functions."+ },+ {+ "number": "55",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with JTDO-TRACESWO, SPI3_SCK, I2S3_CK, SPI1_SCK, USART2_TX and TIM2_CH2 functions."+ },+ {+ "number": "56",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with NJTRST, SPI3_MISO, I2S3ext_SD, SPI1_MISO, USART2_RX and TIM3_CH1 functions."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V tolerant I/O (FT) with SPI3_MOSI, SPI1_MOSI, I2S3_SD, I2C1_SMBA, USART2_CK and TIM3_CH2 functions."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, USART1_TX, TIM16_CH1N, TIM4_CH1 and TIM8_CH1 functions."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, USART1_RX, TIM3_CH4, TIM4_CH2 and TIM17_CH1N functions."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated BOOT0 pin used for boot memory selection."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SCL, CAN_RX, TIM16_CH1, TIM4_CH3 and COMP1_OUT functions."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V tolerant FM+ capable I/O (FTf) with I2C1_SDA, CAN_TX, TIM17_CH1, TIM4_CH4 and IR_OUT functions."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply (2.0 to 3.6 V)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: MPN STM32F303RBT6 decodes to 64 pins (R), LQFP package (T); the LQFP64 column of Table 13 was used, ; PC13, PC14 and PC15 are supplied through the power switch (3 mA sink limit); output use is restricte; On the 64-pin package VREF+ is internally connected to VDDA, so pin 13 is a combined VDDA/VREF+ pin "+ ],+ "pages_sent": 62,+ "cost_usd": 0.3062,+ "at": "2026-10-08T02:59:51"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894265917517824",+ "pages": 149,+ "sha256": "46c415ce4e7e8ebd",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 64,+ "described": 64,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32f303rbt6tr.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32f303rbt6tr-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 12,+ 12,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "832efbdc149ed2920abe1d65ddab94c8f4994182188c2ad94b2e4d61908c9a7c",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}