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

README

markdown

STM32F070CBT6

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

STM32F070CBT6 from STMicroelectronics, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Digital power supply input (2.4 to 3.6 V) for microcontroller core and I/O logic.
2 PC13 bidirectional General-purpose I/O port C pin 13 supporting WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT alternate functions.
3 PC14 bidirectional General-purpose I/O port C pin 14 or 32 kHz oscillator input (OSC32_IN) in alternate function mode.
4 PC15 bidirectional General-purpose I/O port C pin 15 or 32 kHz oscillator output (OSC32_OUT) in alternate function mode.
5 PF0 bidirectional 5 V tolerant I/O port F pin 0 supporting OSC_IN or I2C1_SDA alternate functions for main oscillator or I2C interface.
6 PF1 bidirectional 5 V tolerant I/O port F pin 1 supporting OSC_OUT or I2C1_SCL alternate functions for main oscillator or I2C interface.
7 NRST bidirectional Device reset input (active low) with embedded pull-up resistor and internal reset output for system reset control.
8 VSSA power_in Analog ground reference for ADC and analog circuit blocks.
9 VDDA power_in Analog power supply input (2.4 to 3.6 V, must be ≥ VDD) for ADC, reset circuits, RC oscillators and PLL.
10 PA0 bidirectional 3.3 V ADC-capable I/O port A pin 0 supporting USART2_CTS, USART4_TX alternates and ADC_IN0, WKUP1, RTC_TAMP2 additional functions.
11 PA1 bidirectional 3.3 V ADC-capable I/O port A pin 1 supporting USART2_RTS, TIM15_CH1N, USART4_RX alternates and ADC_IN1 additional function.
12 PA2 bidirectional 3.3 V ADC-capable I/O port A pin 2 supporting USART2_TX, TIM15_CH1 alternates and ADC_IN2, WKUP4 additional functions.
13 PA3 bidirectional 3.3 V ADC-capable I/O port A pin 3 supporting USART2_RX, TIM15_CH2 alternates and ADC_IN3 additional function.
14 PA4 bidirectional 3.3 V ADC-capable I/O port A pin 4 supporting SPI1_NSS, TIM14_CH1, USART2_CK, USB_NOE alternates and ADC_IN4 additional function.
15 PA5 bidirectional 3.3 V ADC-capable I/O port A pin 5 supporting SPI1_SCK alternate function and ADC_IN5 additional function.
16 PA6 bidirectional 3.3 V ADC-capable I/O port A pin 6 supporting SPI1_MISO, TIM3_CH1, TIM1_BKIN, TIM16_CH1 alternates and ADC_IN6 additional function.
17 PA7 bidirectional 3.3 V ADC-capable I/O port A pin 7 supporting SPI1_MOSI, TIM3_CH2, TIM1_CH1N, TIM17_CH1 alternates and ADC_IN7 additional function.
18 PB0 bidirectional 3.3 V ADC-capable I/O port B pin 0 supporting TIM3_CH3, TIM1_CH2N, USART3_CK alternates and ADC_IN8 additional function.
19 PB1 bidirectional 3.3 V ADC-capable I/O port B pin 1 supporting TIM3_CH4, USART3_RTS, TIM14_CH1 alternates and ADC_IN9 additional function.
20 PB2 bidirectional 5 V tolerant general-purpose I/O port B pin 2 configured as floating input after reset.
21 PB10 bidirectional 5 V tolerant I/O port B pin 10 supporting SPI2_SCK, USART3_TX alternate functions (STM32F070xB only).
22 PB11 bidirectional 5 V tolerant I/O port B pin 11 supporting USART3_RX, I2C2_SDA alternate functions (STM32F070xB only).
23 VSS power_in Digital ground reference for microcontroller core and I/O logic.
24 VDD power_in Digital power supply input (2.4 to 3.6 V) for microcontroller core and I/O logic.
25 PB12 bidirectional 5 V tolerant I/O port B pin 12 supporting TIM1_BKIN, TIM15_BKIN, SPI2_NSS, USART3_CK alternates (STM32F070xB only).
26 PB13 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 13 supporting SPI2_SCK, I2C2_SCL alternates (STM32F070xB only).
27 PB14 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 14 supporting SPI2_MISO, I2C2_SDA, TIM15_CH1 alternates (STM32F070xB only).
28 PB15 bidirectional 5 V tolerant I/O port B pin 15 supporting SPI2_MOSI, TIM1_CH3N, TIM15_CH2 alternates and WKUP7, RTC_REFIN additional functions (STM32F070xB only).
29 PA8 bidirectional 5 V tolerant I/O port A pin 8 supporting USART1_CK, TIM1_CH1, MCO alternate functions.
30 PA9 bidirectional 5 V tolerant I/O port A pin 9 supporting USART1_TX, TIM1_CH2, TIM15_BKIN alternates; I2C1_SCL available on STM32F070x6 only.
31 PA10 bidirectional 5 V tolerant I/O port A pin 10 supporting USART1_RX, TIM1_CH3, TIM17_BKIN alternates; I2C1_SDA available on STM32F070x6 only.
32 PA11 bidirectional 5 V tolerant I/O port A pin 11 supporting USART1_CTS, TIM1_CH4 alternates and USB_DM additional function for USB interface.
33 PA12 bidirectional 5 V tolerant I/O port A pin 12 supporting USART1_RTS, TIM1_ETR alternates and USB_DP additional function for USB interface.
34 PA13 bidirectional 5 V tolerant I/O port A pin 13 with internal pull-up after reset supporting IR_OUT, SWDIO, USB_NOE alternate functions.
35 VSS power_in Digital ground reference for microcontroller core and I/O logic.
36 VDD power_in Digital power supply input (2.4 to 3.6 V) for microcontroller core and I/O logic.
37 PA14 bidirectional 5 V tolerant I/O port A pin 14 with internal pull-down after reset supporting USART2_TX, SWCLK alternate functions.
38 PA15 bidirectional 5 V tolerant I/O port A pin 15 supporting SPI1_NSS, USART2_RX alternates; USART4_RTS available on STM32F070xB only.
39 PB3 bidirectional 5 V tolerant I/O port B pin 3 supporting SPI1_SCK, EVENTOUT alternate functions.
40 PB4 bidirectional 5 V tolerant I/O port B pin 4 supporting SPI1_MISO, TIM17_BKIN, TIM3_CH1 alternate functions.
41 PB5 bidirectional 5 V tolerant I/O port B pin 5 supporting SPI1_MOSI, I2C1_SMBA, TIM16_BKIN alternates and WKUP6 additional function.
42 PB6 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 6 supporting I2C1_SCL, USART1_TX, TIM16_CH1N alternate functions.
43 PB7 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 7 supporting I2C1_SDA, USART1_RX alternates; USART4_CTS available on STM32F070xB only.
44 BOOT0 input Boot mode selection input pin for selecting boot source (user flash, system memory, or embedded SRAM) during startup.
45 PB8 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 8 supporting I2C1_SCL, TIM16_CH1 alternate functions.
46 PB9 bidirectional Fast Mode Plus capable, 5 V tolerant I/O port B pin 9 supporting I2C1_SDA, IR_OUT, TIM17_CH1 alternates; SPI2_NSS available on STM32F070xB only.
47 VSS power_in Digital ground reference for microcontroller core and I/O logic.
48 VDD power_in Digital power supply input (2.4 to 3.6 V) for microcontroller core and I/O logic.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32F070CBT6
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32f070cbt6-etched.step / stm32f070cbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f070cbt6.step / stm32f070cbt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (88 pp, sha256 f9f353433528873a, retrieved 2026-09-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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