component

STM32F051C8U7

Public Made by Adom

by adom

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

componentembedded processors & controllersstm32f051c8u7factory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 1d ago
viewers stm32f051c8u7: viewers · Ray 1d ago
package.json Publish 0.1.0 · Ray 1d ago
page.json Set visibility: public · Ray 1d ago
README.md Initial commit: component/stm32f051c8u7 · Ray 1d ago
stm32f051c8u7-etched.glb stm32f051c8u7: factory component page (tier=lcsc) · Ray 1d ago
stm32f051c8u7-etched.step stm32f051c8u7: factory component page (tier=lcsc) · Ray 1d ago
stm32f051c8u7-hero.glb stm32f051c8u7: hero GLB from the etched model (keeps the MPN mark) · Ray 1d ago
stm32f051c8u7-hero.overlay.json Publish 0.1.0 · Ray 1d ago
stm32f051c8u7.glb Publish 0.1.0 · Ray 1d ago
stm32f051c8u7.kicad_mod Publish 0.1.0 · Ray 1d ago
stm32f051c8u7.kicad_sym Publish 0.1.0 · Ray 1d ago
stm32f051c8u7.lbr Publish 0.1.0 · Ray 1d ago
stm32f051c8u7.step Publish 0.1.0 · Ray 1d ago

STM32F051C8U7

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · UFQFPN-48(7x7)

STM32F051C8U7 from STMicroelectronics, in a UFQFPN-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 and backup registers when VDD is not present.
2 PC13 bidirectional Standard 3.3 V I/O supplied through the power switch, limited to a 3 mA sink, so output speed must not exceed 2 MHz at 30 pF and it must not source current such as driving an LED; additional functions RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2.
3 PC14-OSC32_IN bidirectional Standard 3.3 V I/O on the power-switch supply with the same 3 mA, 2 MHz and 30 pF output limits, also used as OSC32_IN for the 32 kHz oscillator.
4 PC15-OSC32_OUT bidirectional Standard 3.3 V I/O on the power-switch supply with the same 3 mA, 2 MHz and 30 pF output limits, also used as OSC32_OUT for the 32 kHz oscillator.
5 PF0-OSC_IN bidirectional 5 V-tolerant I/O, also used as OSC_IN for the 4 to 32 MHz crystal oscillator.
6 PF1-OSC_OUT bidirectional 5 V-tolerant I/O, also used as OSC_OUT for the 4 to 32 MHz crystal oscillator.
7 NRST bidirectional Active-low bidirectional device reset input and internal reset output with an embedded weak pull-up resistor.
8 VSSA power_in Analog ground; a distinct VSSA pin is provided on packages with 48 or more pins.
9 VDDA power_in Analog power supply, from VDD up to 3.6 V.
10 PA0 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions USART2_CTS, TIM2_CH1_ETR, COMP1_OUT, TSC_G1_IO1; additional functions ADC_IN0, COMP1_INM6, RTC_TAMP2, WKUP1.
11 PA1 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions USART2_RTS, TIM2_CH2, TSC_G1_IO2, EVENTOUT; additional functions ADC_IN1, COMP1_INP.
12 PA2 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions USART2_TX, TIM2_CH3, TIM15_CH1, COMP2_OUT, TSC_G1_IO3; additional functions ADC_IN2, COMP2_INM6.
13 PA3 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions USART2_RX, TIM2_CH4, TIM15_CH2, TSC_G1_IO4; additional functions ADC_IN3, COMP2_INP.
14 PA4 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions SPI1_NSS, I2S1_WS, USART2_CK, TIM14_CH1, TSC_G2_IO1; additional functions ADC_IN4, COMP1_INM4, COMP2_INM4, DAC_OUT1.
15 PA5 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions SPI1_SCK, I2S1_CK, CEC, TIM2_CH1_ETR, TSC_G2_IO2; additional functions ADC_IN5, COMP1_INM5, COMP2_INM5.
16 PA6 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions SPI1_MISO, I2S1_MCK, TIM3_CH1, TIM1_BKIN, TIM16_CH1, COMP1_OUT, TSC_G2_IO3, EVENTOUT; additional function ADC_IN6.
17 PA7 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions 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 the ADC; alternate functions TIM3_CH3, TIM1_CH2N, TSC_G3_IO2, EVENTOUT; additional function ADC_IN8.
19 PB1 bidirectional 3.3 V-tolerant I/O directly connected to the ADC; alternate functions TIM3_CH4, TIM14_CH1, TIM1_CH3N, TSC_G3_IO3; additional function ADC_IN9.
20 PB2 bidirectional 5 V-tolerant I/O; alternate function TSC_G3_IO4.
21 PB10 bidirectional 5 V-tolerant I/O; alternate functions I2C2_SCL, CEC, TIM2_CH3, TSC_SYNC.
22 PB11 bidirectional 5 V-tolerant I/O; alternate functions I2C2_SDA, TIM2_CH4, TSC_G6_IO1, EVENTOUT.
23 VSS power_in Digital ground.
24 VDD power_in Digital power supply, 2.0 V to 3.6 V.
25 PB12 bidirectional 5 V-tolerant I/O; alternate functions SPI2_NSS, TIM1_BKIN, TSC_G6_IO2, EVENTOUT.
26 PB13 bidirectional 5 V-tolerant I/O; alternate functions SPI2_SCK, TIM1_CH1N, TSC_G6_IO3.
27 PB14 bidirectional 5 V-tolerant I/O; alternate functions SPI2_MISO, TIM15_CH1, TIM1_CH2N, TSC_G6_IO4.
28 PB15 bidirectional 5 V-tolerant I/O; alternate functions SPI2_MOSI, TIM15_CH2, TIM1_CH3N, TIM15_CH1N; additional function RTC_REFIN.
29 PA8 bidirectional 5 V-tolerant I/O; alternate functions MCO, USART1_CK, TIM1_CH1, EVENTOUT.
30 PA9 bidirectional 5 V-tolerant I/O; alternate functions TIM15_BKIN, USART1_TX, TIM1_CH2, TSC_G4_IO1.
31 PA10 bidirectional 5 V-tolerant I/O; alternate functions TIM17_BKIN, USART1_RX, TIM1_CH3, TSC_G4_IO2.
32 PA11 bidirectional 5 V-tolerant I/O; alternate functions EVENTOUT, USART1_CTS, TIM1_CH4, TSC_G4_IO3, COMP1_OUT.
33 PA12 bidirectional 5 V-tolerant I/O; alternate functions USART1_RTS, TIM1_ETR, COMP2_OUT, TSC_G4_IO4, EVENTOUT.
34 PA13 bidirectional 5 V-tolerant I/O configured as SWDIO after reset with the internal pull-up enabled; alternate function IR_OUT.
35 PF6 bidirectional 5 V-tolerant I/O; alternate function I2C2_SCL.
36 PF7 bidirectional 5 V-tolerant I/O; alternate function I2C2_SDA.
37 PA14 bidirectional 5 V-tolerant I/O configured as SWCLK after reset with the internal pull-down enabled; alternate function USART2_TX.
38 PA15 bidirectional 5 V-tolerant I/O; alternate functions SPI1_NSS, I2S1_WS, USART2_RX, TIM2_CH1_ETR, EVENTOUT.
39 PB3 bidirectional 5 V-tolerant I/O; alternate functions SPI1_SCK, I2S1_CK, TIM2_CH2, TSC_G5_IO1, EVENTOUT.
40 PB4 bidirectional 5 V-tolerant I/O; alternate functions SPI1_MISO, I2S1_MCK, TIM3_CH1, TSC_G5_IO2, EVENTOUT.
41 PB5 bidirectional 5 V-tolerant I/O; alternate functions SPI1_MOSI, I2S1_SD, I2C1_SMBA, TIM16_BKIN, TIM3_CH2.
42 PB6 bidirectional 5 V-tolerant I/O with FM+ capability; alternate functions I2C1_SCL, USART1_TX, TIM16_CH1N, TSC_G5_IO3.
43 PB7 bidirectional 5 V-tolerant I/O with FM+ capability; alternate functions I2C1_SDA, USART1_RX, TIM17_CH1N, TSC_G5_IO4.
44 BOOT0 input Dedicated boot memory selection pin.
45 PB8 bidirectional 5 V-tolerant I/O with FM+ capability; alternate functions I2C1_SCL, CEC, TIM16_CH1, TSC_SYNC.
46 PB9 bidirectional 5 V-tolerant I/O with FM+ capability; alternate functions I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT.
47 VSS power_in Digital ground.
48 VDD power_in Digital power supply, 2.0 V to 3.6 V.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package UFQFPN-48(7x7)
Category Embedded Processors & Controllers
Pins 49

CAD (KiCad official)

  • Symbol: STM32F051C8U7
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: UFQFPN-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32f051c8u7-etched.step / stm32f051c8u7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f051c8u7.step / stm32f051c8u7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: STMicroelectronics datasheet (122 pp, sha256 80848a22804e56d8, 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