component

STM32L052C8T6

Public Made by Adom

by adom

STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32l052c8t6factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity

3D Model

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

Datasheet

Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

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 (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