component
STM32L052C8T6
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 @@+# STM32L052C8T6++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)++STM32L052C8T6 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 | VDD | power_in | Power supply input, 1.8-3.6 V for core and peripheral logic operation. |+| 2 | PC13 | bidirectional | GPIO port C bit 13 (5V-tolerant I/O) with RTC tamper/timestamp/wakeup event alternate functions. |+| 3 | PC14-OSC32_IN | bidirectional | 32.768 kHz oscillator input for RTC clock or GPIO port C bit 14 (5V-tolerant I/O). |+| 4 | PC15-OSC32_OUT | bidirectional | 32.768 kHz oscillator output or GPIO port C bit 15 with standard 3.3 V I/O. |+| 5 | PH0-OSC_IN | bidirectional | External 1-25 MHz oscillator input or GPIO port H bit 0 with standard 3.3 V I/O. |+| 6 | PH1-OSC_OUT | bidirectional | External oscillator output or GPIO port H bit 1 with standard 3.3 V I/O. |+| 7 | NRST | bidirectional | Bidirectional reset pin with 45 kΩ weak pull-up resistor and 50 ns digital filter for device reset. |+| 8 | VSSA | power_in | Analog ground (0 V) reference for ADC, DAC, and comparators in single-supply operation. |+| 9 | VDDA | power_in | Analog power supply, 1.8-3.6 V (minimum 1.8 V with DAC enabled) for analog peripherals. |+| 10 | PA0 | bidirectional | GPIO port A bit 0 (3.3 V standard I/O), ADC channel 0, RTC wakeup input 1, and TIM2 channel 1 capture/compare. |+| 11 | PA1 | bidirectional | GPIO port A bit 1 (5V-tolerant) with ADC channel 1, TIM2 channel 2, and USART2 RTS_DE alternate functions. |+| 12 | PA2 | bidirectional | GPIO port A bit 2 (5V-tolerant) with ADC channel 2, USART2 TX, and COMP2 output alternate functions. |+| 13 | PA3 | bidirectional | GPIO port A bit 3 (5V-tolerant) with ADC channel 3 and USART2 RX alternate function. |+| 14 | PA4 | bidirectional | GPIO port A bit 4 (3.3 V standard I/O) with DAC output and ADC channel 4; reduced touch sensing sensitivity. |+| 15 | PA5 | bidirectional | GPIO port A bit 5 (3.3 V standard I/O) with ADC channel 5, SPI1 SCK, and TIM2 capture/compare functions. |+| 16 | PA6 | bidirectional | GPIO port A bit 6 (5V-tolerant) with ADC channel 6, SPI1 MISO, and COMP1 output alternate functions. |+| 17 | PA7 | bidirectional | GPIO port A bit 7 (5V-tolerant) with ADC channel 7, SPI1 MOSI, and COMP2 output alternate functions. |+| 18 | PB0 | bidirectional | GPIO port B bit 0 (5V-tolerant) with ADC channel 8 and internal VREF output capability. |+| 19 | PB1 | bidirectional | GPIO port B bit 1 (5V-tolerant) with ADC channel 9 and internal VREF output capability. |+| 20 | PB2 | bidirectional | GPIO port B bit 2 (5V-tolerant) with LPTIM1 output and TSC synchronization alternate functions. |+| 21 | PB10 | bidirectional | GPIO port B bit 10 (5V-tolerant) with TIM2 channel 3, LPUART1 TX, SPI2 SCK, and I2C2 SCL alternate functions. |+| 22 | PB11 | bidirectional | GPIO port B bit 11 (5V-tolerant) with TIM2 channel 4, LPUART1 RX, and I2C2 SDA alternate functions. |+| 23 | VSS | power_in | Digital ground (0 V) reference for microcontroller core and peripheral logic. |+| 24 | VDD | power_in | Power supply input, 1.8-3.6 V for core and peripheral logic operation. |+| 25 | PB12 | bidirectional | GPIO port B bit 12 (5V-tolerant) with SPI2 NSS/I2S2 WS, LPUART1 RTS_DE, and I2C2 SMBA alternate functions. |+| 26 | PB13 | bidirectional | GPIO port B bit 13 (Fast Mode+ 20 mA capable, 5V-tolerant) with SPI2 SCK, I2C2 SCL, and TIM21 CH1 alternate functions. |+| 27 | PB14 | bidirectional | GPIO port B bit 14 (Fast Mode+ 20 mA capable, 5V-tolerant) with SPI2 MISO, I2C2 SDA, and TIM21 CH2 alternate functions. |+| 28 | PB15 | bidirectional | GPIO port B bit 15 (5V-tolerant) with SPI2 MOSI and RTC reference clock input alternate functions. |+| 29 | PA8 | bidirectional | GPIO port A bit 8 (5V-tolerant) with MCO output and USART1 CK alternate functions. |+| 30 | PA9 | bidirectional | GPIO port A bit 9 (5V-tolerant) with MCO output and USART1 TX alternate function. |+| 31 | PA10 | bidirectional | GPIO port A bit 10 (5V-tolerant) with USART1 RX and TSC group 4 I/O alternate functions. |+| 32 | PA11 | bidirectional | GPIO port A bit 11 (5V-tolerant, powered by VDD_USB) providing USB_DM with internal 1.5 kΩ pull-up. |+| 33 | PA12 | bidirectional | GPIO port A bit 12 (5V-tolerant, powered by VDD_USB) providing USB_DP (USB D+ signal line). |+| 34 | PA13 | bidirectional | GPIO port A bit 13 (5V-tolerant) providing Serial Wire Debug SWDIO interface and USB_NOE alternate function. |+| 35 | VSS | power_in | Digital ground (0 V) reference for microcontroller core and peripheral logic. |+| 36 | VDD_USB | power_in | USB transceiver power supply, 3.0-3.6 V (3.0 V minimum required for USB compliance). |+| 37 | PA14 | bidirectional | GPIO port A bit 14 (5V-tolerant) providing Serial Wire Clock SWCLK interface and USART2 TX alternate function. |+| 38 | PA15 | bidirectional | GPIO port A bit 15 (5V-tolerant) with USART2 RX, TIM2 capture/compare, and SPI1 NSS alternate functions. |+| 39 | PB3 | bidirectional | GPIO port B bit 3 (5V-tolerant) with COMP2 inverted input, SPI1 SCK, and TIM2 channel 2 alternate functions. |+| 40 | PB4 | bidirectional | GPIO port B bit 4 (5V-tolerant) with COMP2 non-inverted input, SPI1 MISO, and TIM22 channel 1 alternate functions. |+| 41 | PB5 | bidirectional | GPIO port B bit 5 (5V-tolerant) with COMP2 non-inverted input, SPI1 MOSI, and TIM22 channel 2 alternate functions. |+| 42 | PB6 | bidirectional | GPIO port B bit 6 (Fast Mode+ 20 mA capable, 5V-tolerant) with COMP2 non-inverted input and I2C1 SCL alternate function. |+| 43 | PB7 | bidirectional | GPIO port B bit 7 (Fast Mode+ 20 mA capable, 5V-tolerant) with COMP2 non-inverted input and I2C1 SDA alternate function. |+| 44 | BOOT0 | input | Boot mode selection pin sampled during power-on or external reset; 0 = Boot from Flash, 1 = Boot from System Memory. |+| 45 | PB8 | bidirectional | GPIO port B bit 8 (Fast Mode+ 20 mA capable, 5V-tolerant) with I2C1 SCL and TSC synchronization alternate functions. |+| 46 | PB9 | bidirectional | GPIO port B bit 9 (Fast Mode+ 20 mA capable, 5V-tolerant) with I2C1 SDA and SPI2 NSS/I2S2 WS alternate functions. |+| 47 | VSS | power_in | Digital ground (0 V) reference for microcontroller core and peripheral logic. |+| 48 | VDD | power_in | Power supply input, 1.8-3.6 V for core and peripheral logic operation. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-48(7x7) |+| Category | Embedded Processors & Controllers |+| Pins | 48 |++## CAD (KiCad official)++- Symbol: `STM32L052C8T6`+- Footprint: `Package_QFP:LQFP-48_7x7mm_P0.5mm`+- 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)+- 3D model files: `stm32l052c8t6-etched.step` / `stm32l052c8t6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l052c8t6.step` / `stm32l052c8t6.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/8586181756575342592) (143 pp, sha256 `501c06e19fb3cdbd`, retrieved 2026-09-26, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/stm32l052c8t6-datasheet.pdf)
page.jsonadded+397@@ -0,0 +1,397 @@+{+ "slug": "stm32l052c8t6",+ "version": "0.1.0",+ "type": "component",+ "description": "STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32l052c8t6",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32l052c8t6.kicad_sym",+ "stm32l052c8t6.kicad_mod",+ "stm32l052c8t6.glb",+ "stm32l052c8t6.step",+ "stm32l052c8t6.lbr",+ "docs/hero.png",+ "docs/stm32l052c8t6-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "component": {+ "mpn": "STM32L052C8T6",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-48(7x7)",+ "pin_count": 48,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181756575342592",+ "parts": {+ "symbol": "stm32l052c8t6.kicad_sym",+ "footprint": "stm32l052c8t6.kicad_mod",+ "model_3d": "stm32l052c8t6-etched.glb",+ "model_3d_plain": "stm32l052c8t6.glb",+ "model_3d_step": "stm32l052c8t6-etched.step",+ "model_3d_step_plain": "stm32l052c8t6.step",+ "lbr": "stm32l052c8t6.lbr"+ },+ "distributor_links": {+ "lcsc": "C111213",+ "digikey": "497-14903-ND",+ "mouser": "511-STM32L052C8T6"+ },+ "distributor_check": {+ "checked_at": "2026-09-26T19:41:59Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-14903-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32L052C8T6",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input, 1.8-3.6 V for core and peripheral logic operation."+ },+ {+ "number": "2",+ "name": "PC13",+ "type": "bidirectional",+ "description": "GPIO port C bit 13 (5V-tolerant I/O) with RTC tamper/timestamp/wakeup event alternate functions."+ },+ {+ "number": "3",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "32.768 kHz oscillator input for RTC clock or GPIO port C bit 14 (5V-tolerant I/O)."+ },+ {+ "number": "4",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "32.768 kHz oscillator output or GPIO port C bit 15 with standard 3.3 V I/O."+ },+ {+ "number": "5",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "External 1-25 MHz oscillator input or GPIO port H bit 0 with standard 3.3 V I/O."+ },+ {+ "number": "6",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "External oscillator output or GPIO port H bit 1 with standard 3.3 V I/O."+ },+ {+ "number": "7",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with 45 kΩ weak pull-up resistor and 50 ns digital filter for device reset."+ },+ {+ "number": "8",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground (0 V) reference for ADC, DAC, and comparators in single-supply operation."+ },+ {+ "number": "9",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog power supply, 1.8-3.6 V (minimum 1.8 V with DAC enabled) for analog peripherals."+ },+ {+ "number": "10",+ "name": "PA0",+ "type": "bidirectional",+ "description": "GPIO port A bit 0 (3.3 V standard I/O), ADC channel 0, RTC wakeup input 1, and TIM2 channel 1 capture/compare."+ },+ {+ "number": "11",+ "name": "PA1",+ "type": "bidirectional",+ "description": "GPIO port A bit 1 (5V-tolerant) with ADC channel 1, TIM2 channel 2, and USART2 RTS_DE alternate functions."+ },+ {+ "number": "12",+ "name": "PA2",+ "type": "bidirectional",+ "description": "GPIO port A bit 2 (5V-tolerant) with ADC channel 2, USART2 TX, and COMP2 output alternate functions."+ },+ {+ "number": "13",+ "name": "PA3",+ "type": "bidirectional",+ "description": "GPIO port A bit 3 (5V-tolerant) with ADC channel 3 and USART2 RX alternate function."+ },+ {+ "number": "14",+ "name": "PA4",+ "type": "bidirectional",+ "description": "GPIO port A bit 4 (3.3 V standard I/O) with DAC output and ADC channel 4; reduced touch sensing sensitivity."+ },+ {+ "number": "15",+ "name": "PA5",+ "type": "bidirectional",+ "description": "GPIO port A bit 5 (3.3 V standard I/O) with ADC channel 5, SPI1 SCK, and TIM2 capture/compare functions."+ },+ {+ "number": "16",+ "name": "PA6",+ "type": "bidirectional",+ "description": "GPIO port A bit 6 (5V-tolerant) with ADC channel 6, SPI1 MISO, and COMP1 output alternate functions."+ },+ {+ "number": "17",+ "name": "PA7",+ "type": "bidirectional",+ "description": "GPIO port A bit 7 (5V-tolerant) with ADC channel 7, SPI1 MOSI, and COMP2 output alternate functions."+ },+ {+ "number": "18",+ "name": "PB0",+ "type": "bidirectional",+ "description": "GPIO port B bit 0 (5V-tolerant) with ADC channel 8 and internal VREF output capability."+ },+ {+ "number": "19",+ "name": "PB1",+ "type": "bidirectional",+ "description": "GPIO port B bit 1 (5V-tolerant) with ADC channel 9 and internal VREF output capability."+ },+ {+ "number": "20",+ "name": "PB2",+ "type": "bidirectional",+ "description": "GPIO port B bit 2 (5V-tolerant) with LPTIM1 output and TSC synchronization alternate functions."+ },+ {+ "number": "21",+ "name": "PB10",+ "type": "bidirectional",+ "description": "GPIO port B bit 10 (5V-tolerant) with TIM2 channel 3, LPUART1 TX, SPI2 SCK, and I2C2 SCL alternate functions."+ },+ {+ "number": "22",+ "name": "PB11",+ "type": "bidirectional",+ "description": "GPIO port B bit 11 (5V-tolerant) with TIM2 channel 4, LPUART1 RX, and I2C2 SDA alternate functions."+ },+ {+ "number": "23",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground (0 V) reference for microcontroller core and peripheral logic."+ },+ {+ "number": "24",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input, 1.8-3.6 V for core and peripheral logic operation."+ },+ {+ "number": "25",+ "name": "PB12",+ "type": "bidirectional",+ "description": "GPIO port B bit 12 (5V-tolerant) with SPI2 NSS/I2S2 WS, LPUART1 RTS_DE, and I2C2 SMBA alternate functions."+ },+ {+ "number": "26",+ "name": "PB13",+ "type": "bidirectional",+ "description": "GPIO port B bit 13 (Fast Mode+ 20 mA capable, 5V-tolerant) with SPI2 SCK, I2C2 SCL, and TIM21 CH1 alternate functions."+ },+ {+ "number": "27",+ "name": "PB14",+ "type": "bidirectional",+ "description": "GPIO port B bit 14 (Fast Mode+ 20 mA capable, 5V-tolerant) with SPI2 MISO, I2C2 SDA, and TIM21 CH2 alternate functions."+ },+ {+ "number": "28",+ "name": "PB15",+ "type": "bidirectional",+ "description": "GPIO port B bit 15 (5V-tolerant) with SPI2 MOSI and RTC reference clock input alternate functions."+ },+ {+ "number": "29",+ "name": "PA8",+ "type": "bidirectional",+ "description": "GPIO port A bit 8 (5V-tolerant) with MCO output and USART1 CK alternate functions."+ },+ {+ "number": "30",+ "name": "PA9",+ "type": "bidirectional",+ "description": "GPIO port A bit 9 (5V-tolerant) with MCO output and USART1 TX alternate function."+ },+ {+ "number": "31",+ "name": "PA10",+ "type": "bidirectional",+ "description": "GPIO port A bit 10 (5V-tolerant) with USART1 RX and TSC group 4 I/O alternate functions."+ },+ {+ "number": "32",+ "name": "PA11",+ "type": "bidirectional",+ "description": "GPIO port A bit 11 (5V-tolerant, powered by VDD_USB) providing USB_DM with internal 1.5 kΩ pull-up."+ },+ {+ "number": "33",+ "name": "PA12",+ "type": "bidirectional",+ "description": "GPIO port A bit 12 (5V-tolerant, powered by VDD_USB) providing USB_DP (USB D+ signal line)."+ },+ {+ "number": "34",+ "name": "PA13",+ "type": "bidirectional",+ "description": "GPIO port A bit 13 (5V-tolerant) providing Serial Wire Debug SWDIO interface and USB_NOE alternate function."+ },+ {+ "number": "35",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground (0 V) reference for microcontroller core and peripheral logic."+ },+ {+ "number": "36",+ "name": "VDD_USB",+ "type": "power_in",+ "description": "USB transceiver power supply, 3.0-3.6 V (3.0 V minimum required for USB compliance)."+ },+ {+ "number": "37",+ "name": "PA14",+ "type": "bidirectional",+ "description": "GPIO port A bit 14 (5V-tolerant) providing Serial Wire Clock SWCLK interface and USART2 TX alternate function."+ },+ {+ "number": "38",+ "name": "PA15",+ "type": "bidirectional",+ "description": "GPIO port A bit 15 (5V-tolerant) with USART2 RX, TIM2 capture/compare, and SPI1 NSS alternate functions."+ },+ {+ "number": "39",+ "name": "PB3",+ "type": "bidirectional",+ "description": "GPIO port B bit 3 (5V-tolerant) with COMP2 inverted input, SPI1 SCK, and TIM2 channel 2 alternate functions."+ },+ {+ "number": "40",+ "name": "PB4",+ "type": "bidirectional",+ "description": "GPIO port B bit 4 (5V-tolerant) with COMP2 non-inverted input, SPI1 MISO, and TIM22 channel 1 alternate functions."+ },+ {+ "number": "41",+ "name": "PB5",+ "type": "bidirectional",+ "description": "GPIO port B bit 5 (5V-tolerant) with COMP2 non-inverted input, SPI1 MOSI, and TIM22 channel 2 alternate functions."+ },+ {+ "number": "42",+ "name": "PB6",+ "type": "bidirectional",+ "description": "GPIO port B bit 6 (Fast Mode+ 20 mA capable, 5V-tolerant) with COMP2 non-inverted input and I2C1 SCL alternate function."+ },+ {+ "number": "43",+ "name": "PB7",+ "type": "bidirectional",+ "description": "GPIO port B bit 7 (Fast Mode+ 20 mA capable, 5V-tolerant) with COMP2 non-inverted input and I2C1 SDA alternate function."+ },+ {+ "number": "44",+ "name": "BOOT0",+ "type": "input",+ "description": "Boot mode selection pin sampled during power-on or external reset; 0 = Boot from Flash, 1 = Boot from System Memory."+ },+ {+ "number": "45",+ "name": "PB8",+ "type": "bidirectional",+ "description": "GPIO port B bit 8 (Fast Mode+ 20 mA capable, 5V-tolerant) with I2C1 SCL and TSC synchronization alternate functions."+ },+ {+ "number": "46",+ "name": "PB9",+ "type": "bidirectional",+ "description": "GPIO port B bit 9 (Fast Mode+ 20 mA capable, 5V-tolerant) with I2C1 SDA and SPI2 NSS/I2S2 WS alternate functions."+ },+ {+ "number": "47",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground (0 V) reference for microcontroller core and peripheral logic."+ },+ {+ "number": "48",+ "name": "VDD",+ "type": "power_in",+ "description": "Power supply input, 1.8-3.6 V for core and peripheral logic operation."+ }+ ],+ "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-4-6",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: LQFP48 package pin 8 is listed as VSSA in Table 16 but appears to skip from pin 7 to pin 9 in some t; PA11 and PA12 are powered exclusively by VDD_USB (not VDD) per Table 16 note 3; these pins must main; Multiple pins serve dual supply domains: pins 1, 24, 48 connect to VDD (core); pins 32, 33 connect t"+ ],+ "pages_sent": 143,+ "cost_usd": 1.3983,+ "at": "2026-09-26T19:41:32"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586181756575342592",+ "pages": 143,+ "sha256": "501c06e19fb3cdbd",+ "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"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}