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STM32F031K6U6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+65@@ -0,0 +1,65 @@+# STM32F031K6U6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · UFQFPN-32(5x5)++STM32F031K6U6 from STMicroelectronics, in a UFQFPN-32(5x5). 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 | BOOT0 | input | Dedicated input pin for boot memory selection; 0 selects flash memory, 1 selects system memory. |+| 2 | PF0-OSC_IN | bidirectional | 5V-tolerant I/O pin used for high-speed external oscillator input clock source. |+| 3 | PF1-OSC_OUT | bidirectional | 5V-tolerant I/O pin used for high-speed external oscillator output clock source. |+| 4 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor for device reset control (active low). |+| 5 | VDDA | power_in | Analog power supply pin requiring 2.4 to 3.6 V when ADC is used, or VDD to 3.6 V when ADC is disabled. |+| 6 | PA0 | bidirectional | 3.3V-tolerant analog I/O pin supporting TIM2_CH1_ETR and USART1_CTS alternate functions with ADC_IN0 and RTC wakeup capability. |+| 7 | PA1 | bidirectional | 3.3V-tolerant analog I/O pin supporting USART1_RTS, TIM2_CH2, and EVENTOUT alternate functions with ADC_IN1 capability. |+| 8 | PA2 | bidirectional | 3.3V-tolerant analog I/O pin supporting USART1_TX and TIM2_CH3 alternate functions with ADC_IN2 capability. |+| 9 | PA3 | bidirectional | 3.3V-tolerant analog I/O pin supporting USART1_RX and TIM2_CH4 alternate functions with ADC_IN3 capability. |+| 10 | PA4 | bidirectional | 3.3V-tolerant analog I/O pin supporting SPI1_NSS, I2S1_WS, TIM14_CH1, and USART1_CK alternate functions with ADC_IN4 capability. |+| 11 | PA5 | bidirectional | 3.3V-tolerant analog I/O pin supporting SPI1_SCK, I2S1_CK, and TIM2_CH1_ETR alternate functions with ADC_IN5 capability. |+| 12 | PA6 | bidirectional | 3.3V-tolerant analog I/O pin supporting SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, and EVENTOUT alternate functions with ADC_IN6 capability. |+| 13 | PA7 | bidirectional | 3.3V-tolerant analog I/O pin supporting SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, and EVENTOUT alternate functions with ADC_IN7 capability. |+| 14 | PB0 | bidirectional | 3.3V-tolerant analog I/O pin supporting TIM3_CH3, TIM1_CH2N, and EVENTOUT alternate functions with ADC_IN8 capability. |+| 15 | PB1 | bidirectional | 3.3V-tolerant analog I/O pin supporting TIM3_CH4, TIM14_CH1, and TIM1_CH3N alternate functions with ADC_IN9 capability. |+| 16 | VSS | power_in | Digital ground return pin required for normal circuit operation. |+| 17 | VDD | power_in | Digital power supply pin requiring 2.0 to 3.6 V for device operation. |+| 18 | PA8 | bidirectional | 5V-tolerant I/O pin supporting USART1_CK, TIM1_CH1, EVENTOUT, and MCO alternate functions. |+| 19 | PA9 | bidirectional | Fast Mode Plus I/O pin supporting USART1_TX, TIM1_CH2, and I2C1_SCL alternate functions. |+| 20 | PA10 | bidirectional | Fast Mode Plus I/O pin supporting USART1_RX, TIM1_CH3, TIM17_BKIN, and I2C1_SDA alternate functions. |+| 21 | PA13(SWDIO) | bidirectional | 5V-tolerant I/O pin configured as SWDIO serial wire debug after reset with IR_OUT alternate function and internal pull-up. |+| 22 | PA14(SWCLK) | bidirectional | 5V-tolerant I/O pin configured as SWCLK serial wire debug after reset supporting USART1_TX alternate function with internal pull-down. |+| 23 | PA15 | bidirectional | 5V-tolerant I/O pin supporting SPI1_NSS, I2S1_WS, TIM2_CH_ETR, EVENTOUT, and USART1_RX alternate functions. |+| 24 | PB3 | bidirectional | 5V-tolerant I/O pin supporting SPI1_SCK, I2S1_CK, TIM2_CH2, and EVENTOUT alternate functions. |+| 25 | PB4 | bidirectional | 5V-tolerant I/O pin supporting SPI1_MISO, I2S1_MCK, TIM3_CH1, and EVENTOUT alternate functions. |+| 26 | PB5 | bidirectional | 5V-tolerant I/O pin supporting SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, and TIM3_CH2 alternate functions. |+| 27 | PB6 | bidirectional | Fast Mode Plus I/O pin supporting I2C1_SCL, USART1_TX, and TIM16_CH1N alternate functions. |+| 28 | PB7 | bidirectional | Fast Mode Plus I/O pin supporting I2C1_SDA, USART1_RX, and TIM17_CH1N alternate functions. |+| 0 | VSSA | power_in | Analog ground pad connected to exposed die pad on package underside; must be soldered to PCB ground. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | UFQFPN-32(5x5) |+| Category | Embedded Processors & Controllers |+| Pins | 32 |++## CAD (KiCad official)++- Symbol: `STM32F031K6U6`+- Footprint: `Package_DFN_QFN:UFQFPN-32-1EP_5x5mm_P0.5mm_EP3.5x3.5mm`+- 3D model: UFQFPN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `stm32f031k6u6-etched.step` / `stm32f031k6u6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f031k6u6.step` / `stm32f031k6u6.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/8586181681975857152) (106 pp, sha256 `36b17e3dce795273`, retrieved 2026-10-01, 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/stm32f031k6u6-datasheet.pdf)
page.jsonadded+268@@ -0,0 +1,268 @@+{+ "slug": "stm32f031k6u6",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), UFQFPN-32(5x5). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32f031k6u6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32f031k6u6.kicad_sym",+ "stm32f031k6u6.kicad_mod",+ "stm32f031k6u6.glb",+ "stm32f031k6u6.step",+ "stm32f031k6u6.lbr",+ "docs/hero.png",+ "docs/stm32f031k6u6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32F031K6U6",+ "manufacturer": "STMicroelectronics",+ "package": "UFQFPN-32(5x5)",+ "pin_count": 29,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181681975857152",+ "parts": {+ "symbol": "stm32f031k6u6.kicad_sym",+ "footprint": "stm32f031k6u6.kicad_mod",+ "model_3d": "stm32f031k6u6-etched.glb",+ "model_3d_plain": "stm32f031k6u6.glb",+ "model_3d_step": "stm32f031k6u6-etched.step",+ "model_3d_step_plain": "stm32f031k6u6.step",+ "lbr": "stm32f031k6u6.lbr"+ },+ "distributor_links": {+ "lcsc": "C97412",+ "digikey": "497-13622-ND",+ "mouser": "511-STM32F031K6U6"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:42:16Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-13622-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32F031K6U6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated input pin for boot memory selection; 0 selects flash memory, 1 selects system memory."+ },+ {+ "number": "2",+ "name": "PF0-OSC_IN",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin used for high-speed external oscillator input clock source."+ },+ {+ "number": "3",+ "name": "PF1-OSC_OUT",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin used for high-speed external oscillator output clock source."+ },+ {+ "number": "4",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with embedded weak pull-up resistor for device reset control (active low)."+ },+ {+ "number": "5",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply pin requiring 2.4 to 3.6 V when ADC is used, or VDD to 3.6 V when ADC is disabled."+ },+ {+ "number": "6",+ "name": "PA0",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting TIM2_CH1_ETR and USART1_CTS alternate functions with ADC_IN0 and RTC wakeup capability."+ },+ {+ "number": "7",+ "name": "PA1",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting USART1_RTS, TIM2_CH2, and EVENTOUT alternate functions with ADC_IN1 capability."+ },+ {+ "number": "8",+ "name": "PA2",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting USART1_TX and TIM2_CH3 alternate functions with ADC_IN2 capability."+ },+ {+ "number": "9",+ "name": "PA3",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting USART1_RX and TIM2_CH4 alternate functions with ADC_IN3 capability."+ },+ {+ "number": "10",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting SPI1_NSS, I2S1_WS, TIM14_CH1, and USART1_CK alternate functions with ADC_IN4 capability."+ },+ {+ "number": "11",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting SPI1_SCK, I2S1_CK, and TIM2_CH1_ETR alternate functions with ADC_IN5 capability."+ },+ {+ "number": "12",+ "name": "PA6",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, and EVENTOUT alternate functions with ADC_IN6 capability."+ },+ {+ "number": "13",+ "name": "PA7",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting SPI1_MOSI, I2S1_SD, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, and EVENTOUT alternate functions with ADC_IN7 capability."+ },+ {+ "number": "14",+ "name": "PB0",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting TIM3_CH3, TIM1_CH2N, and EVENTOUT alternate functions with ADC_IN8 capability."+ },+ {+ "number": "15",+ "name": "PB1",+ "type": "bidirectional",+ "description": "3.3V-tolerant analog I/O pin supporting TIM3_CH4, TIM14_CH1, and TIM1_CH3N alternate functions with ADC_IN9 capability."+ },+ {+ "number": "16",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground return pin required for normal circuit operation."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital power supply pin requiring 2.0 to 3.6 V for device operation."+ },+ {+ "number": "18",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin supporting USART1_CK, TIM1_CH1, EVENTOUT, and MCO alternate functions."+ },+ {+ "number": "19",+ "name": "PA9",+ "type": "bidirectional",+ "description": "Fast Mode Plus I/O pin supporting USART1_TX, TIM1_CH2, and I2C1_SCL alternate functions."+ },+ {+ "number": "20",+ "name": "PA10",+ "type": "bidirectional",+ "description": "Fast Mode Plus I/O pin supporting USART1_RX, TIM1_CH3, TIM17_BKIN, and I2C1_SDA alternate functions."+ },+ {+ "number": "21",+ "name": "PA13(SWDIO)",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin configured as SWDIO serial wire debug after reset with IR_OUT alternate function and internal pull-up."+ },+ {+ "number": "22",+ "name": "PA14(SWCLK)",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin configured as SWCLK serial wire debug after reset supporting USART1_TX alternate function with internal pull-down."+ },+ {+ "number": "23",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin supporting SPI1_NSS, I2S1_WS, TIM2_CH_ETR, EVENTOUT, and USART1_RX alternate functions."+ },+ {+ "number": "24",+ "name": "PB3",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin supporting SPI1_SCK, I2S1_CK, TIM2_CH2, and EVENTOUT alternate functions."+ },+ {+ "number": "25",+ "name": "PB4",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin supporting SPI1_MISO, I2S1_MCK, TIM3_CH1, and EVENTOUT alternate functions."+ },+ {+ "number": "26",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5V-tolerant I/O pin supporting SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, and TIM3_CH2 alternate functions."+ },+ {+ "number": "27",+ "name": "PB6",+ "type": "bidirectional",+ "description": "Fast Mode Plus I/O pin supporting I2C1_SCL, USART1_TX, and TIM16_CH1N alternate functions."+ },+ {+ "number": "28",+ "name": "PB7",+ "type": "bidirectional",+ "description": "Fast Mode Plus I/O pin supporting I2C1_SDA, USART1_RX, and TIM17_CH1N alternate functions."+ },+ {+ "number": "0",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pad connected to exposed die pad on package underside; must be soldered to PCB ground."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181681975857152",+ "pages": 106,+ "sha256": "36b17e3dce795273",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 29,+ "described": 29,+ "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]"+ }+}