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STM32F051R4T6
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+100@@ -0,0 +1,100 @@+# STM32F051R4T6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)++STM32F051R4T6 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 pin for the RTC domain and backup registers. |+| 2 | PC13 | bidirectional | Standard 3.3 V TC I/O with RTC_TAMP1, RTC_TS, RTC_OUT and WKUP2 functions; it is supplied through the power switch, which sinks at most 3 mA, so output speed must stay at or below 2 MHz with a 30 pF maximum load and the pin must not source LED current. |+| 3 | PC14-OSC32_IN | bidirectional | Standard 3.3 V TC I/O that is also the OSC32_IN low-speed oscillator input, with the same power-switch limits as PC13 (3 mA sink, 2 MHz at 30 pF, no current sourcing). |+| 4 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V TC I/O that is also the OSC32_OUT low-speed oscillator output, with the same power-switch limits as PC13 (3 mA sink, 2 MHz at 30 pF, no current sourcing). |+| 5 | PF0-OSC_IN | bidirectional | 5 V-tolerant FT I/O whose alternate function is the OSC_IN high-speed oscillator input. |+| 6 | PF1-OSC_OUT | bidirectional | 5 V-tolerant FT I/O whose alternate function is the OSC_OUT high-speed oscillator output. |+| 7 | NRST | bidirectional | Active-low bidirectional device reset input and internal reset output with an embedded weak pull-up resistor. |+| 8 | PC0 | bidirectional | 3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN10 and EVENTOUT functions. |+| 9 | PC1 | bidirectional | 3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN11 and EVENTOUT functions. |+| 10 | PC2 | bidirectional | 3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN12 and EVENTOUT functions. |+| 11 | PC3 | bidirectional | 3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN13 and EVENTOUT functions. |+| 12 | VSSA | power_in | Analog ground pin; a distinct VSSA pin exists only on packages with 48 or more pins. |+| 13 | VDDA | power_in | Analog power supply, which may range from VDD up to 3.6 V, with a separate analog supply range of 2.4 to 3.6 V for the ADC. |+| 14 | PA0 | bidirectional | 3.3 V-tolerant TTa I/O with USART2_CTS, TIM2_CH1_ETR, COMP1_OUT and TSC_G1_IO1 alternate functions and ADC_IN0, COMP1_INM6, RTC_TAMP2 and WKUP1 additional functions. |+| 15 | PA1 | bidirectional | 3.3 V-tolerant TTa I/O with USART2_RTS, TIM2_CH2, TSC_G1_IO2 and EVENTOUT alternate functions and ADC_IN1 and COMP1_INP additional functions. |+| 16 | PA2 | bidirectional | 3.3 V-tolerant TTa I/O with USART2_TX, TIM2_CH3, TIM15_CH1, COMP2_OUT and TSC_G1_IO3 alternate functions and ADC_IN2 and COMP2_INM6 additional functions. |+| 17 | PA3 | bidirectional | 3.3 V-tolerant TTa I/O with USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4 alternate functions and ADC_IN3 and COMP2_INP additional functions. |+| 18 | PF4 | bidirectional | 5 V-tolerant FT I/O with EVENTOUT alternate function. |+| 19 | PF5 | bidirectional | 5 V-tolerant FT I/O with EVENTOUT alternate function. |+| 20 | PA4 | bidirectional | 3.3 V-tolerant TTa I/O with SPI1_NSS, I2S1_WS, USART2_CK, TIM14_CH1 and TSC_G2_IO1 alternate functions and ADC_IN4, COMP1_INM4, COMP2_INM4 and DAC_OUT1 additional functions. |+| 21 | PA5 | bidirectional | 3.3 V-tolerant TTa I/O with SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR and TSC_G2_IO2 alternate functions and ADC_IN5, COMP1_INM5 and COMP2_INM5 additional functions. |+| 22 | PA6 | bidirectional | 3.3 V-tolerant TTa I/O with SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3 and EVENTOUT alternate functions and ADC_IN6 additional function. |+| 23 | PA7 | bidirectional | 3.3 V-tolerant TTa I/O with SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4 and EVENTOUT alternate functions and ADC_IN7 additional function. |+| 24 | PC4 | bidirectional | 3.3 V-tolerant TTa I/O with EVENTOUT alternate function and ADC_IN14 additional function. |+| 25 | PC5 | bidirectional | 3.3 V-tolerant TTa I/O with TSC_G3_IO1 alternate function and ADC_IN15 additional function. |+| 26 | PB0 | bidirectional | 3.3 V-tolerant TTa I/O with TIM3_CH3, TIM1_CH2N, TSC_G3_IO2 and EVENTOUT alternate functions and ADC_IN8 additional function. |+| 27 | PB1 | bidirectional | 3.3 V-tolerant TTa I/O with TIM3_CH4, TIM14_CH1, TIM1_CH3N and TSC_G3_IO3 alternate functions and ADC_IN9 additional function. |+| 28 | PB2 | bidirectional | 5 V-tolerant FT I/O with TSC_G3_IO4 alternate function. |+| 29 | PB10 | bidirectional | 5 V-tolerant FT I/O with I2C2_SCL, CEC, TIM2_CH3 and TSC_SYNC alternate functions. |+| 30 | PB11 | bidirectional | 5 V-tolerant FT I/O with I2C2_SDA, TIM2_CH4, TSC_G6_IO1 and EVENTOUT alternate functions. |+| 31 | VSS | power_in | Ground pin for the digital supply domain. |+| 32 | VDD | power_in | Digital power supply, specified from 2.0 V to 3.6 V. |+| 33 | PB12 | bidirectional | 5 V-tolerant FT I/O with SPI2_NSS, TIM1_BKIN, TSC_G6_IO2 and EVENTOUT alternate functions. |+| 34 | PB13 | bidirectional | 5 V-tolerant FT I/O with SPI2_SCK, TIM1_CH1N and TSC_G6_IO3 alternate functions. |+| 35 | PB14 | bidirectional | 5 V-tolerant FT I/O with SPI2_MISO, TIM15_CH1, TIM1_CH2N and TSC_G6_IO4 alternate functions. |+| 36 | PB15 | bidirectional | 5 V-tolerant FT I/O with SPI2_MOSI, TIM15_CH2, TIM1_CH3N and TIM15_CH1N alternate functions and RTC_REFIN additional function. |+| 37 | PC6 | bidirectional | 5 V-tolerant FT I/O with TIM3_CH1 alternate function. |+| 38 | PC7 | bidirectional | 5 V-tolerant FT I/O with TIM3_CH2 alternate function. |+| 39 | PC8 | bidirectional | 5 V-tolerant FT I/O with TIM3_CH3 alternate function. |+| 40 | PC9 | bidirectional | 5 V-tolerant FT I/O with TIM3_CH4 alternate function. |+| 41 | PA8 | bidirectional | 5 V-tolerant FT I/O with USART1_CK, TIM1_CH1, EVENTOUT and MCO alternate functions. |+| 42 | PA9 | bidirectional | 5 V-tolerant FT I/O with USART1_TX, TIM1_CH2, TIM15_BKIN and TSC_G4_IO1 alternate functions. |+| 43 | PA10 | bidirectional | 5 V-tolerant FT I/O with USART1_RX, TIM1_CH3, TIM17_BKIN and TSC_G4_IO2 alternate functions. |+| 44 | PA11 | bidirectional | 5 V-tolerant FT I/O with USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3 and EVENTOUT alternate functions. |+| 45 | PA12 | bidirectional | 5 V-tolerant FT I/O with USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4 and EVENTOUT alternate functions. |+| 46 | PA13 (SWDIO) | bidirectional | 5 V-tolerant FT I/O that is configured as SWDIO after reset with an internal pull-up enabled, with IR_OUT as an alternate function. |+| 47 | PF6 | bidirectional | 5 V-tolerant FT I/O with I2C2_SCL alternate function. |+| 48 | PF7 | bidirectional | 5 V-tolerant FT I/O with I2C2_SDA alternate function. |+| 49 | PA14 (SWCLK) | bidirectional | 5 V-tolerant FT I/O that is configured as SWCLK after reset with an internal pull-down enabled, with USART2_TX as an alternate function. |+| 50 | PA15 | bidirectional | 5 V-tolerant FT I/O with SPI1_NSS, I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT alternate functions. |+| 51 | PC10 | bidirectional | 5 V-tolerant FT I/O with no alternate function listed in the pin definitions. |+| 52 | PC11 | bidirectional | 5 V-tolerant FT I/O with no alternate function listed in the pin definitions. |+| 53 | PC12 | bidirectional | 5 V-tolerant FT I/O with no alternate function listed in the pin definitions. |+| 54 | PD2 | bidirectional | 5 V-tolerant FT I/O with TIM3_ETR alternate function. |+| 55 | PB3 | bidirectional | 5 V-tolerant FT I/O with SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1 and EVENTOUT alternate functions. |+| 56 | PB4 | bidirectional | 5 V-tolerant FT I/O with SPI1_MISO, I2S1_MCK, TIM3_CH1, TSC_G5_IO2 and EVENTOUT alternate functions. |+| 57 | PB5 | bidirectional | 5 V-tolerant FT I/O with SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2 alternate functions. |+| 58 | PB6 | bidirectional | 5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3 alternate functions. |+| 59 | PB7 | bidirectional | 5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SDA, USART1_RX, TIM17_CH1N and TSC_G5_IO4 alternate functions. |+| 60 | BOOT0 | input | Dedicated boot memory selection input (B pin type). |+| 61 | PB8 | bidirectional | 5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SCL, CEC, TIM16_CH1 and TSC_SYNC alternate functions. |+| 62 | PB9 | bidirectional | 5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SDA, IR_OUT, TIM17_CH1 and EVENTOUT alternate functions. |+| 63 | VSS | power_in | Ground pin for the digital supply domain. |+| 64 | VDD | power_in | Digital power supply, specified from 2.0 V to 3.6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-64(10x10) |+| Category | Embedded Processors & Controllers |+| Pins | 64 |++## CAD (KiCad official)++- Symbol: `STM32F051R4T6`+- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`+- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)+- 3D model files: `stm32f051r4t6-etched.step` / `stm32f051r4t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f051r4t6.step` / `stm32f051r4t6.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/8588922320844951552) (122 pp, sha256 `80848a22804e56d8`, 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/stm32f051r4t6-datasheet.pdf)
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"stm32f051r4t6.kicad_mod",+ "model_3d": "stm32f051r4t6-hero.glb",+ "model_3d_plain": "stm32f051r4t6.glb",+ "model_3d_step": "stm32f051r4t6-etched.step",+ "model_3d_step_plain": "stm32f051r4t6.step",+ "lbr": "stm32f051r4t6.lbr"+ },+ "distributor_links": {+ "lcsc": "C1339061",+ "digikey": "497-12951-ND",+ "mouser": "511-STM32F051R4T6"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:42:58Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-12951-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32F051R4T6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VBAT",+ "type": "power_in",+ "description": "Backup power supply pin for the RTC domain and backup registers."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "Standard 3.3 V TC I/O with RTC_TAMP1, RTC_TS, RTC_OUT and WKUP2 functions; it is supplied through the power switch, which sinks at most 3 mA, so output speed must stay at or below 2 MHz with a 30 pF maximum load and the pin must not source LED current."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Standard 3.3 V TC I/O that is also the OSC32_IN low-speed oscillator input, with the same power-switch limits as PC13 (3 mA sink, 2 MHz at 30 pF, no current sourcing)."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V TC I/O that is also the OSC32_OUT low-speed oscillator output, with the same power-switch limits as PC13 (3 mA sink, 2 MHz at 30 pF, no current sourcing)."+ },+ {+ "number": "5",+ "name": "PF0-OSC_IN",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O whose alternate function is the OSC_IN high-speed oscillator input."+ },+ {+ "number": "6",+ "name": "PF1-OSC_OUT",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O whose alternate function is the OSC_OUT high-speed oscillator output."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Active-low bidirectional device reset input and internal reset output with an embedded weak pull-up resistor."+ },+ {+ "number": "8",+ "name": "PC0",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN10 and EVENTOUT functions."+ },+ {+ "number": "9",+ "name": "PC1",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN11 and EVENTOUT functions."+ },+ {+ "number": "10",+ "name": "PC2",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN12 and EVENTOUT functions."+ },+ {+ "number": "11",+ "name": "PC3",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O directly connected to the ADC, with ADC_IN13 and EVENTOUT functions."+ },+ {+ "number": "12",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pin; a distinct VSSA pin exists only on packages with 48 or more pins."+ },+ {+ "number": "13",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply, which may range from VDD up to 3.6 V, with a separate analog supply range of 2.4 to 3.6 V for the ADC."+ },+ {+ "number": "14",+ "name": "PA0",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with USART2_CTS, TIM2_CH1_ETR, COMP1_OUT and TSC_G1_IO1 alternate functions and ADC_IN0, COMP1_INM6, RTC_TAMP2 and WKUP1 additional functions."+ },+ {+ "number": "15",+ "name": "PA1",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with USART2_RTS, TIM2_CH2, TSC_G1_IO2 and EVENTOUT alternate functions and ADC_IN1 and COMP1_INP additional functions."+ },+ {+ "number": "16",+ "name": "PA2",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with USART2_TX, TIM2_CH3, TIM15_CH1, COMP2_OUT and TSC_G1_IO3 alternate functions and ADC_IN2 and COMP2_INM6 additional functions."+ },+ {+ "number": "17",+ "name": "PA3",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with USART2_RX, TIM2_CH4, TIM15_CH2 and TSC_G1_IO4 alternate functions and ADC_IN3 and COMP2_INP additional functions."+ },+ {+ "number": "18",+ "name": "PF4",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with EVENTOUT alternate function."+ },+ {+ "number": "19",+ "name": "PF5",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with EVENTOUT alternate function."+ },+ {+ "number": "20",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with SPI1_NSS, I2S1_WS, USART2_CK, TIM14_CH1 and TSC_G2_IO1 alternate functions and ADC_IN4, COMP1_INM4, COMP2_INM4 and DAC_OUT1 additional functions."+ },+ {+ "number": "21",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR and TSC_G2_IO2 alternate functions and ADC_IN5, COMP1_INM5 and COMP2_INM5 additional functions."+ },+ {+ "number": "22",+ "name": "PA6",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3 and EVENTOUT alternate functions and ADC_IN6 additional function."+ },+ {+ "number": "23",+ "name": "PA7",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4 and EVENTOUT alternate functions and ADC_IN7 additional function."+ },+ {+ "number": "24",+ "name": "PC4",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with EVENTOUT alternate function and ADC_IN14 additional function."+ },+ {+ "number": "25",+ "name": "PC5",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with TSC_G3_IO1 alternate function and ADC_IN15 additional function."+ },+ {+ "number": "26",+ "name": "PB0",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with TIM3_CH3, TIM1_CH2N, TSC_G3_IO2 and EVENTOUT alternate functions and ADC_IN8 additional function."+ },+ {+ "number": "27",+ "name": "PB1",+ "type": "bidirectional",+ "description": "3.3 V-tolerant TTa I/O with TIM3_CH4, TIM14_CH1, TIM1_CH3N and TSC_G3_IO3 alternate functions and ADC_IN9 additional function."+ },+ {+ "number": "28",+ "name": "PB2",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TSC_G3_IO4 alternate function."+ },+ {+ "number": "29",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with I2C2_SCL, CEC, TIM2_CH3 and TSC_SYNC alternate functions."+ },+ {+ "number": "30",+ "name": "PB11",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with I2C2_SDA, TIM2_CH4, TSC_G6_IO1 and EVENTOUT alternate functions."+ },+ {+ "number": "31",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin for the digital supply domain."+ },+ {+ "number": "32",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply, specified from 2.0 V to 3.6 V."+ },+ {+ "number": "33",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI2_NSS, TIM1_BKIN, TSC_G6_IO2 and EVENTOUT alternate functions."+ },+ {+ "number": "34",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI2_SCK, TIM1_CH1N and TSC_G6_IO3 alternate functions."+ },+ {+ "number": "35",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI2_MISO, TIM15_CH1, TIM1_CH2N and TSC_G6_IO4 alternate functions."+ },+ {+ "number": "36",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI2_MOSI, TIM15_CH2, TIM1_CH3N and TIM15_CH1N alternate functions and RTC_REFIN additional function."+ },+ {+ "number": "37",+ "name": "PC6",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TIM3_CH1 alternate function."+ },+ {+ "number": "38",+ "name": "PC7",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TIM3_CH2 alternate function."+ },+ {+ "number": "39",+ "name": "PC8",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TIM3_CH3 alternate function."+ },+ {+ "number": "40",+ "name": "PC9",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TIM3_CH4 alternate function."+ },+ {+ "number": "41",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with USART1_CK, TIM1_CH1, EVENTOUT and MCO alternate functions."+ },+ {+ "number": "42",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with USART1_TX, TIM1_CH2, TIM15_BKIN and TSC_G4_IO1 alternate functions."+ },+ {+ "number": "43",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with USART1_RX, TIM1_CH3, TIM17_BKIN and TSC_G4_IO2 alternate functions."+ },+ {+ "number": "44",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3 and EVENTOUT alternate functions."+ },+ {+ "number": "45",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4 and EVENTOUT alternate functions."+ },+ {+ "number": "46",+ "name": "PA13 (SWDIO)",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O that is configured as SWDIO after reset with an internal pull-up enabled, with IR_OUT as an alternate function."+ },+ {+ "number": "47",+ "name": "PF6",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with I2C2_SCL alternate function."+ },+ {+ "number": "48",+ "name": "PF7",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with I2C2_SDA alternate function."+ },+ {+ "number": "49",+ "name": "PA14 (SWCLK)",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O that is configured as SWCLK after reset with an internal pull-down enabled, with USART2_TX as an alternate function."+ },+ {+ "number": "50",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI1_NSS, I2S1_WS, USART2_RX, TIM2_CH1_ETR and EVENTOUT alternate functions."+ },+ {+ "number": "51",+ "name": "PC10",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with no alternate function listed in the pin definitions."+ },+ {+ "number": "52",+ "name": "PC11",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with no alternate function listed in the pin definitions."+ },+ {+ "number": "53",+ "name": "PC12",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with no alternate function listed in the pin definitions."+ },+ {+ "number": "54",+ "name": "PD2",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with TIM3_ETR alternate function."+ },+ {+ "number": "55",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1 and EVENTOUT alternate functions."+ },+ {+ "number": "56",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI1_MISO, I2S1_MCK, TIM3_CH1, TSC_G5_IO2 and EVENTOUT alternate functions."+ },+ {+ "number": "57",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V-tolerant FT I/O with SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN and TIM3_CH2 alternate functions."+ },+ {+ "number": "58",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SCL, USART1_TX, TIM16_CH1N and TSC_G5_IO3 alternate functions."+ },+ {+ "number": "59",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SDA, USART1_RX, TIM17_CH1N and TSC_G5_IO4 alternate functions."+ },+ {+ "number": "60",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated boot memory selection input (B pin type)."+ },+ {+ "number": "61",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SCL, CEC, TIM16_CH1 and TSC_SYNC alternate functions."+ },+ {+ "number": "62",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V-tolerant, Fast-mode-Plus capable FTf I/O with I2C1_SDA, IR_OUT, TIM17_CH1 and EVENTOUT alternate functions."+ },+ {+ "number": "63",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin for the digital supply domain."+ },+ {+ "number": "64",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply, specified from 2.0 V 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: Pinout extracted from Table 13 (Pin definitions), LQFP64 column, pages 31-36. All 64 pins are presen; The datasheet gives no per-pin electrical limits beyond the I/O structure classes (TC, TTa, FT, FTf,; Pin 2 PC13, pin 3 PC14 and pin 4 PC15 carry note 1 (3 mA power-switch limit) and note 2 (GPIO operat"+ ],+ "pages_sent": 57,+ "cost_usd": 0.2597,+ "at": "2026-10-08T20:42:09"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922320844951552",+ "pages": 122,+ "sha256": "80848a22804e56d8",+ "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": "stm32f051r4t6.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": "stm32f051r4t6-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": "f285cbdbb7751c76f838d10e07d1bb0b23b23662c3ead1d4fb810f312cffd2d6",+ "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]"+ }+}