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STM32L051K8U6
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+69@@ -0,0 +1,69 @@+# STM32L051K8U6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · UFQFPN-32(5x5)++STM32L051K8U6 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 | VDD | power_in | Main power supply, +1.8V to +3.6V |+| 2 | PC14-OSC32_IN | bidirectional | Port C pin 14, OSC32_IN function for 32 kHz oscillator input |+| 3 | PC15-OSC32_OUT | bidirectional | Port C pin 15, OSC32_OUT function for 32 kHz oscillator output |+| 4 | NRST | bidirectional | Reset pin with internal pull-up and embedded filter |+| 5 | VDDA | power_in | Analog power supply, +1.65V to +3.6V |+| 6 | PA0 | bidirectional | Port A pin 0, can be used as TIM2_CH1, USART2_CTS, COMP1_INM6, or ADC_IN0 |+| 7 | PA1 | bidirectional | Port A pin 1, can be used as TIM2_CH2, USART2_RTS_DE, COMP1_INP, or ADC_IN1 |+| 8 | PA2 | bidirectional | Port A pin 2, can be used as TIM21_CH1, TIM2_CH3, USART2_TX, COMP2_INM6, or ADC_IN2 |+| 9 | PA3 | bidirectional | Port A pin 3, can be used as TIM21_CH2, TIM2_CH4, USART2_RX, COMP2_INP, or ADC_IN3 |+| 10 | PA4 | bidirectional | Port A pin 4, can be used as SPI1_NSS, USART2_CK, TIM22_ETR, COMP1_INM4, COMP2_INM4, or ADC_IN4 |+| 11 | PA5 | bidirectional | Port A pin 5, can be used as SPI1_SCK, TIM2_ETR, TIM2_CH1, COMP1_INM5, COMP2_INM5, or ADC_IN5 |+| 12 | PA6 | bidirectional | Port A pin 6, 5V tolerant, can be used as SPI1_MISO, LPUART1_CTS, TIM22_CH1, or ADC_IN6 |+| 13 | PA7 | bidirectional | Port A pin 7, 5V tolerant, can be used as SPI1_MOSI, TIM22_CH2, or ADC_IN7 |+| 14 | PB0 | bidirectional | Port B pin 0, 5V tolerant, can be used as ADC_IN8 or VREF_OUT |+| 15 | PB1 | bidirectional | Port B pin 1, 5V tolerant, can be used as LPUART1_RTS_DE, ADC_IN9, or VREF_OUT |+| 16 | PB2 | bidirectional | Port B pin 2, 5V tolerant, can be used as LPTIM1_OUT |+| 17 | VDD | power_in | Main power supply, +1.8V to +3.6V |+| 18 | PA8 | bidirectional | Port A pin 8, 5V tolerant, can be used as MCO or USART1_CK |+| 19 | PA9 | bidirectional | Port A pin 9, 5V tolerant, can be used as MCO or USART1_TX |+| 20 | PA10 | bidirectional | Port A pin 10, 5V tolerant, can be used as USART1_RX |+| 21 | PA11 | bidirectional | Port A pin 11, 5V tolerant, can be used as SPI1_MISO, USART1_CTS, or COMP1_OUT |+| 22 | PA12 | bidirectional | Port A pin 12, 5V tolerant, can be used as SPI1_MOSI, USART1_RTS_DE, or COMP2_OUT |+| 23 | PA13 | bidirectional | Port A pin 13, 5V tolerant, SWDIO function for serial wire debug |+| 24 | PA14 | bidirectional | Port A pin 14, 5V tolerant, can be used as SWCLK or USART2_TX |+| 25 | PA15 | bidirectional | Port A pin 15, 5V tolerant, can be used as SPI1_NSS, TIM2_ETR, USART2_RX, or TIM2_CH1 |+| 26 | PB3 | bidirectional | Port B pin 3, 5V tolerant, can be used as SPI1_SCK, TIM2_CH2, with COMP2_INN function |+| 27 | PB4 | bidirectional | Port B pin 4, 5V tolerant, can be used as SPI1_MISO or TIM22_CH1, with COMP2_INP function |+| 28 | PB5 | bidirectional | Port B pin 5, 5V tolerant, can be used as SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, or TIM22_CH2, with COMP2_INP function |+| 29 | PB6 | bidirectional | Port B pin 6, Fast Mode+ capable, can be used as USART1_TX, I2C1_SCL, or LPTIM1_ETR, with COMP2_INP function |+| 30 | PB7 | bidirectional | Port B pin 7, Fast Mode+ capable, can be used as USART1_RX, I2C1_SDA, or LPTIM1_IN2, with COMP2_INP and PVD_IN functions |+| 31 | BOOT0 | input | Boot select pin for choosing boot from Flash, RAM, or System memory |+| 32 | PB8 | bidirectional | Port B pin 8, Fast Mode+ capable, can be used as I2C1_SCL |+| 33 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | UFQFPN-32(5x5) |+| Category | Embedded Processors & Controllers |+| Pins | 33 |++## CAD (KiCad official)++- Symbol: `STM32L051K8U6`+- Footprint: `Package_DFN_QFN:UFQFPN-32-1EP_5x5mm_P0.5mm_EP3.5x3.5mm`+- 3D model: UFQFPN-32(5x5) (KiCad packages3D, STEP)+- 3D model files: `stm32l051k8u6-etched.step` / `stm32l051k8u6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l051k8u6.step` / `stm32l051k8u6.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/8586181645652779008) (131 pp, sha256 `457bab7943900413`, retrieved 2026-10-01, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (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/stm32l051k8u6-datasheet.pdf)
page.jsonadded+307@@ -0,0 +1,307 @@+{+ "slug": "stm32l051k8u6",+ "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",+ "stm32l051k8u6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l051k8u6.kicad_sym",+ "stm32l051k8u6.kicad_mod",+ "stm32l051k8u6.glb",+ "stm32l051k8u6.step",+ "stm32l051k8u6.lbr",+ "docs/hero.png",+ "docs/stm32l051k8u6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L051K8U6",+ "manufacturer": "STMicroelectronics",+ "package": "UFQFPN-32(5x5)",+ "pin_count": 33,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181645652779008",+ "parts": {+ "symbol": "stm32l051k8u6.kicad_sym",+ "footprint": "stm32l051k8u6.kicad_mod",+ "model_3d": "stm32l051k8u6-etched.glb",+ "model_3d_plain": "stm32l051k8u6.glb",+ "model_3d_step": "stm32l051k8u6-etched.step",+ "model_3d_step_plain": "stm32l051k8u6.step",+ "lbr": "stm32l051k8u6.lbr"+ },+ "distributor_links": {+ "lcsc": "C94770",+ "digikey": "497-17490-ND",+ "mouser": "511-STM32L051K8U6"+ },+ "distributor_check": {+ "checked_at": "2026-10-01T17:36:39Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-17490-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L051K8U6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply, +1.8V to +3.6V"+ },+ {+ "number": "2",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "Port C pin 14, OSC32_IN function for 32 kHz oscillator input"+ },+ {+ "number": "3",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "Port C pin 15, OSC32_OUT function for 32 kHz oscillator output"+ },+ {+ "number": "4",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Reset pin with internal pull-up and embedded filter"+ },+ {+ "number": "5",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply, +1.65V to +3.6V"+ },+ {+ "number": "6",+ "name": "PA0",+ "type": "bidirectional",+ "description": "Port A pin 0, can be used as TIM2_CH1, USART2_CTS, COMP1_INM6, or ADC_IN0"+ },+ {+ "number": "7",+ "name": "PA1",+ "type": "bidirectional",+ "description": "Port A pin 1, can be used as TIM2_CH2, USART2_RTS_DE, COMP1_INP, or ADC_IN1"+ },+ {+ "number": "8",+ "name": "PA2",+ "type": "bidirectional",+ "description": "Port A pin 2, can be used as TIM21_CH1, TIM2_CH3, USART2_TX, COMP2_INM6, or ADC_IN2"+ },+ {+ "number": "9",+ "name": "PA3",+ "type": "bidirectional",+ "description": "Port A pin 3, can be used as TIM21_CH2, TIM2_CH4, USART2_RX, COMP2_INP, or ADC_IN3"+ },+ {+ "number": "10",+ "name": "PA4",+ "type": "bidirectional",+ "description": "Port A pin 4, can be used as SPI1_NSS, USART2_CK, TIM22_ETR, COMP1_INM4, COMP2_INM4, or ADC_IN4"+ },+ {+ "number": "11",+ "name": "PA5",+ "type": "bidirectional",+ "description": "Port A pin 5, can be used as SPI1_SCK, TIM2_ETR, TIM2_CH1, COMP1_INM5, COMP2_INM5, or ADC_IN5"+ },+ {+ "number": "12",+ "name": "PA6",+ "type": "bidirectional",+ "description": "Port A pin 6, 5V tolerant, can be used as SPI1_MISO, LPUART1_CTS, TIM22_CH1, or ADC_IN6"+ },+ {+ "number": "13",+ "name": "PA7",+ "type": "bidirectional",+ "description": "Port A pin 7, 5V tolerant, can be used as SPI1_MOSI, TIM22_CH2, or ADC_IN7"+ },+ {+ "number": "14",+ "name": "PB0",+ "type": "bidirectional",+ "description": "Port B pin 0, 5V tolerant, can be used as ADC_IN8 or VREF_OUT"+ },+ {+ "number": "15",+ "name": "PB1",+ "type": "bidirectional",+ "description": "Port B pin 1, 5V tolerant, can be used as LPUART1_RTS_DE, ADC_IN9, or VREF_OUT"+ },+ {+ "number": "16",+ "name": "PB2",+ "type": "bidirectional",+ "description": "Port B pin 2, 5V tolerant, can be used as LPTIM1_OUT"+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Main power supply, +1.8V to +3.6V"+ },+ {+ "number": "18",+ "name": "PA8",+ "type": "bidirectional",+ "description": "Port A pin 8, 5V tolerant, can be used as MCO or USART1_CK"+ },+ {+ "number": "19",+ "name": "PA9",+ "type": "bidirectional",+ "description": "Port A pin 9, 5V tolerant, can be used as MCO or USART1_TX"+ },+ {+ "number": "20",+ "name": "PA10",+ "type": "bidirectional",+ "description": "Port A pin 10, 5V tolerant, can be used as USART1_RX"+ },+ {+ "number": "21",+ "name": "PA11",+ "type": "bidirectional",+ "description": "Port A pin 11, 5V tolerant, can be used as SPI1_MISO, USART1_CTS, or COMP1_OUT"+ },+ {+ "number": "22",+ "name": "PA12",+ "type": "bidirectional",+ "description": "Port A pin 12, 5V tolerant, can be used as SPI1_MOSI, USART1_RTS_DE, or COMP2_OUT"+ },+ {+ "number": "23",+ "name": "PA13",+ "type": "bidirectional",+ "description": "Port A pin 13, 5V tolerant, SWDIO function for serial wire debug"+ },+ {+ "number": "24",+ "name": "PA14",+ "type": "bidirectional",+ "description": "Port A pin 14, 5V tolerant, can be used as SWCLK or USART2_TX"+ },+ {+ "number": "25",+ "name": "PA15",+ "type": "bidirectional",+ "description": "Port A pin 15, 5V tolerant, can be used as SPI1_NSS, TIM2_ETR, USART2_RX, or TIM2_CH1"+ },+ {+ "number": "26",+ "name": "PB3",+ "type": "bidirectional",+ "description": "Port B pin 3, 5V tolerant, can be used as SPI1_SCK, TIM2_CH2, with COMP2_INN function"+ },+ {+ "number": "27",+ "name": "PB4",+ "type": "bidirectional",+ "description": "Port B pin 4, 5V tolerant, can be used as SPI1_MISO or TIM22_CH1, with COMP2_INP function"+ },+ {+ "number": "28",+ "name": "PB5",+ "type": "bidirectional",+ "description": "Port B pin 5, 5V tolerant, can be used as SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, or TIM22_CH2, with COMP2_INP function"+ },+ {+ "number": "29",+ "name": "PB6",+ "type": "bidirectional",+ "description": "Port B pin 6, Fast Mode+ capable, can be used as USART1_TX, I2C1_SCL, or LPTIM1_ETR, with COMP2_INP function"+ },+ {+ "number": "30",+ "name": "PB7",+ "type": "bidirectional",+ "description": "Port B pin 7, Fast Mode+ capable, can be used as USART1_RX, I2C1_SDA, or LPTIM1_IN2, with COMP2_INP and PVD_IN functions"+ },+ {+ "number": "31",+ "name": "BOOT0",+ "type": "input",+ "description": "Boot select pin for choosing boot from Flash, RAM, or System memory"+ },+ {+ "number": "32",+ "name": "PB8",+ "type": "bidirectional",+ "description": "Port B pin 8, Fast Mode+ capable, can be used as I2C1_SCL"+ },+ {+ "number": "33",+ "name": "EP",+ "type": "passive",+ "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.2",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.2",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: VSS/GND pins not explicitly listed in Table 15 for UFQFPN32 package. Datasheet shows '-' for all VSS; PC13 marked as 'not available' in footnote 1 (page 42) but Table 15 row 2 appears to show it assigne; VSSA (analog ground) not explicitly listed for UFQFPN32 in Table 15 (page 38 shows '-'). Package req"+ ],+ "pages_sent": 131,+ "cost_usd": 0.8177,+ "at": "2026-10-01T17:36:22"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181645652779008",+ "pages": 131,+ "sha256": "457bab7943900413",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 33,+ "described": 33,+ "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]"+ }+}