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STM32F071CBT7
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+84@@ -0,0 +1,84 @@+# STM32F071CBT7++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32F071CBT7 from STMicroelectronics, in a LQFP-48(7x7). 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, the 32 kHz oscillator and backup registers, 1.65 to 3.6 V, used when VDD is not present. |+| 2 | PC13 | bidirectional | Standard 3.3 V I/O supplied through the power switch (sink limited to 3 mA); in output mode it must not exceed 2 MHz with a 30 pF maximum load and must not source current such as driving an LED; also WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT. |+| 3 | PC14-OSC32_IN | bidirectional | Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_IN (32 kHz oscillator input). |+| 4 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_OUT (32 kHz oscillator output). |+| 5 | PF0-OSC_IN | bidirectional | 5 V-tolerant (FT) I/O; alternate functions CRS_SYNC and OSC_IN (external 4-32 MHz crystal oscillator input). |+| 6 | PF1-OSC_OUT | bidirectional | 5 V-tolerant (FT) I/O; alternate function OSC_OUT (external 4-32 MHz crystal oscillator output). |+| 7 | NRST | bidirectional | Active-low bidirectional reset pin with embedded weak pull-up, acting as device reset input and internal reset output. |+| 8 | VSSA | power_in | Analog ground. |+| 9 | VDDA | power_in | Analog power supply for ADC, DAC, reset blocks, RCs and PLL; must be greater than or equal to VDD and established first, with a minimum of 2.4 V when the ADC or DAC is used, up to 3.6 V. |+| 10 | PA0 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1, USART4_TX; additional functions ADC_IN0, WKUP1, COMP1_OUT, COMP1_INM6, RTC_TAMP2. |+| 11 | PA1 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT; additional functions ADC_IN1 and COMP1_INP. |+| 12 | PA2 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_TX, TIM2_CH3, TIM15_CH1, TSC_G1_IO3; additional functions ADC_IN2, COMP2_OUT, COMP2_INM6, WKUP4. |+| 13 | PA3 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; additional functions ADC_IN3 and COMP2_INP. |+| 14 | PA4 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK; additional functions ADC_IN4 and DAC_OUT1. |+| 15 | PA5 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2; additional functions ADC_IN5 and DAC_OUT2. |+| 16 | PA6 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS; additional function ADC_IN6. |+| 17 | PA7 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT; additional function ADC_IN7. |+| 18 | PB0 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK; additional function ADC_IN8. |+| 19 | PB1 | bidirectional | 3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3; additional function ADC_IN9. |+| 20 | PB2 | bidirectional | 5 V-tolerant (FT) I/O; alternate function TSC_G3_IO4 (capacitive sensing). |+| 21 | PB10 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TIM2_CH3. |+| 22 | PB11 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA. |+| 23 | VSS | power_in | Ground. |+| 24 | VDD | power_in | Digital power supply, 2.0 to 3.6 V, for I/Os and the internal regulator. |+| 25 | PB12 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2, EVENTOUT. |+| 26 | PB13 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N, TSC_G6_IO3. |+| 27 | PB14 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1, TSC_G6_IO4. |+| 28 | PB15 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2; additional functions WKUP7 and RTC_REFIN. |+| 29 | PA8 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CK, TIM1_CH1, EVENTOUT, MCO, CRS_SYNC. |+| 30 | PA9 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_TX, TIM1_CH2, TIM15_BKIN, TSC_G4_IO1. |+| 31 | PA10 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2. |+| 32 | PA11 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT. |+| 33 | PA12 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT. |+| 34 | PA13 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWDIO alternate function with internal pull-up enabled; also IR_OUT. |+| 35 | VSS | power_in | Ground. |+| 36 | VDDIO2 | power_in | Digital power supply for the VDDIO2-supplied I/Os, 1.65 to 3.6 V, independent of VDD but not to be applied without a valid VDD supply. |+| 37 | PA14 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWCLK alternate function with internal pull-down enabled; also USART2_TX. |+| 38 | PA15 | bidirectional | 5 V-tolerant I/O supplied by VDDIO2; alternate functions include SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR, EVENTOUT. |+| 39 | PB3 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT. |+| 40 | PB4 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, EVENTOUT. |+| 41 | PB5 | bidirectional | 5 V-tolerant (FT) I/O; alternate functions include SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2; additional function WKUP6. |+| 42 | PB6 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3. |+| 43 | PB7 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4. |+| 44 | BOOT0 | input | Dedicated boot memory selection pin that selects the boot mode together with the boot selector option bit at startup. |+| 45 | PB8 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC. |+| 46 | PB9 | bidirectional | 5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT. |+| 47 | VSS | power_in | Ground. |+| 48 | VDD | power_in | Digital power supply, 2.0 to 3.6 V, for I/Os and the internal regulator. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM32F071CBT7`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32f071cbt7-etched.step` / `stm32f071cbt7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f071cbt7.step` / `stm32f071cbt7.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/8588922497593462784) (122 pp, sha256 `054f3806403d4305`, 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/stm32f071cbt7-datasheet.pdf)
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in output mode it must not exceed 2 MHz with a 30 pF maximum load and must not source current such as driving an LED; also WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_IN (32 kHz oscillator input)."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Standard 3.3 V I/O supplied through the power switch with the same 3 mA, 2 MHz / 30 pF and no-current-source limits as PC13; alternate function OSC32_OUT (32 kHz oscillator output)."+ },+ {+ "number": "5",+ "name": "PF0-OSC_IN",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions CRS_SYNC and OSC_IN (external 4-32 MHz crystal oscillator input)."+ },+ {+ "number": "6",+ "name": "PF1-OSC_OUT",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate function OSC_OUT (external 4-32 MHz crystal oscillator output)."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Active-low bidirectional reset pin with embedded weak pull-up, acting as device reset input and internal reset output."+ },+ {+ "number": "8",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground."+ },+ {+ "number": "9",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply for ADC, DAC, reset blocks, RCs and PLL; must be greater than or equal to VDD and established first, with a minimum of 2.4 V when the ADC or DAC is used, up to 3.6 V."+ },+ {+ "number": "10",+ "name": "PA0",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_CTS, TIM2_CH1_ETR, TSC_G1_IO1, USART4_TX; additional functions ADC_IN0, WKUP1, COMP1_OUT, COMP1_INM6, RTC_TAMP2."+ },+ {+ "number": "11",+ "name": "PA1",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RTS, TIM2_CH2, TIM15_CH1N, TSC_G1_IO2, USART4_RX, EVENTOUT; additional functions ADC_IN1 and COMP1_INP."+ },+ {+ "number": "12",+ "name": "PA2",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_TX, TIM2_CH3, TIM15_CH1, TSC_G1_IO3; additional functions ADC_IN2, COMP2_OUT, COMP2_INM6, WKUP4."+ },+ {+ "number": "13",+ "name": "PA3",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; additional functions ADC_IN3 and COMP2_INP."+ },+ {+ "number": "14",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_NSS, I2S1_WS, TIM14_CH1, TSC_G2_IO1, USART2_CK; additional functions ADC_IN4 and DAC_OUT1."+ },+ {+ "number": "15",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2; additional functions ADC_IN5 and DAC_OUT2."+ },+ {+ "number": "16",+ "name": "PA6",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT, USART3_CTS; additional function ADC_IN6."+ },+ {+ "number": "17",+ "name": "PA7",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, COMP2_OUT, TSC_G2_IO4, EVENTOUT; additional function ADC_IN7."+ },+ {+ "number": "18",+ "name": "PB0",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT, USART3_CK; additional function ADC_IN8."+ },+ {+ "number": "19",+ "name": "PB1",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O directly connected to ADC (TTa); alternate functions include TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3; additional function ADC_IN9."+ },+ {+ "number": "20",+ "name": "PB2",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate function TSC_G3_IO4 (capacitive sensing)."+ },+ {+ "number": "21",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include SPI2_SCK, I2C2_SCL, USART3_TX, CEC, TSC_SYNC, TIM2_CH3."+ },+ {+ "number": "22",+ "name": "PB11",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include USART3_RX, TIM2_CH4, EVENTOUT, TSC_G6_IO1, I2C2_SDA."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "24",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply, 2.0 to 3.6 V, for I/Os and the internal regulator."+ },+ {+ "number": "25",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include TIM1_BKIN, TIM15_BKIN, SPI2_NSS, I2S2_WS, USART3_CK, TSC_G6_IO2, EVENTOUT."+ },+ {+ "number": "26",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_SCK, I2S2_CK, I2C2_SCL, USART3_CTS, TIM1_CH1N, TSC_G6_IO3."+ },+ {+ "number": "27",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_MISO, I2S2_MCK, I2C2_SDA, USART3_RTS, TIM1_CH2N, TIM15_CH1, TSC_G6_IO4."+ },+ {+ "number": "28",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include SPI2_MOSI, I2S2_SD, TIM1_CH3N, TIM15_CH1N, TIM15_CH2; additional functions WKUP7 and RTC_REFIN."+ },+ {+ "number": "29",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CK, TIM1_CH1, EVENTOUT, MCO, CRS_SYNC."+ },+ {+ "number": "30",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_TX, TIM1_CH2, TIM15_BKIN, TSC_G4_IO1."+ },+ {+ "number": "31",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RX, TIM1_CH3, TIM17_BKIN, TSC_G4_IO2."+ },+ {+ "number": "32",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_CTS, TIM1_CH4, COMP1_OUT, TSC_G4_IO3, EVENTOUT."+ },+ {+ "number": "33",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT."+ },+ {+ "number": "34",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWDIO alternate function with internal pull-up enabled; also IR_OUT."+ },+ {+ "number": "35",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground."+ },+ {+ "number": "36",+ "name": "VDDIO2",+ "type": "power_in",+ "description": "Digital power supply for the VDDIO2-supplied I/Os, 1.65 to 3.6 V, independent of VDD but not to be applied without a valid VDD supply."+ },+ {+ "number": "37",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; after reset it is the SWCLK alternate function with internal pull-down enabled; also USART2_TX."+ },+ {+ "number": "38",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O supplied by VDDIO2; alternate functions include SPI1_NSS, I2S1_WS, USART2_RX, USART4_RTS, TIM2_CH1_ETR, EVENTOUT."+ },+ {+ "number": "39",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT."+ },+ {+ "number": "40",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_MISO, I2S1_MCK, TIM17_BKIN, TIM3_CH1, TSC_G5_IO2, EVENTOUT."+ },+ {+ "number": "41",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V-tolerant (FT) I/O; alternate functions include SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2; additional function WKUP6."+ },+ {+ "number": "42",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3."+ },+ {+ "number": "43",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N, TSC_G5_IO4."+ },+ {+ "number": "44",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated boot memory selection pin that selects the boot mode together with the boot selector option bit at startup."+ },+ {+ "number": "45",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC."+ },+ {+ "number": "46",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with FM+ capability (FTf); alternate functions include SPI2_NSS, I2S2_WS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT."+ },+ {+ "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, for I/Os and the internal regulator."+ }+ ],+ "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: Pin list is taken from the LQFP48/UFQFPN48 column of Table 14 (pin definitions, pages 35-41); the da; Pin 2 PC13, pin 3 PC14, pin 4 PC15 and pin 37 PA14 types/limits come from table footnotes (1)-(4); t; The output schema has no field for headline specs, so the supply and temperature specs (VDD 2.0-3.6 "+ ],+ "pages_sent": 60,+ "cost_usd": 0.2743,+ "at": "2026-10-08T04:55:24"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588922497593462784",+ "pages": 122,+ "sha256": "054f3806403d4305",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 48,+ "described": 48,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ },+ "models_3d": [+ {+ "file": "stm32f071cbt7.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "9dea352d93177c2904afd7d7b68ea8855ce1ab691f69f8b3e13655600514b6bf",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32f071cbt7-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 9,+ 9,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "d64f174e837313673efe732f9344975fee76bd8ed6ead04e52a63e3f338ad1d0",+ "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]"+ }+}