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Contents

README

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STM32F070CBT6TR

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

STM32F070CBT6TR 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, 2.4 to 3.6 V.
2 PC13 bidirectional General-purpose I/O capable of RTC wakeup, tamper, timestamp, and output functions; can be configured as input or output with or without pull-up/pull-down resistors.
3 PC14-OSC32_IN bidirectional General-purpose I/O or 32 kHz oscillator input; can be configured as input or output.
4 PC15-OSC32_OUT bidirectional General-purpose I/O or 32 kHz oscillator output; can be configured as input or output.
5 PF0-OSC_IN bidirectional 5V tolerant I/O or high-speed oscillator input with alternate function as I2C1_SDA; can be configured as input or output.
6 PF1-OSC_OUT bidirectional 5V tolerant I/O or high-speed oscillator output with alternate function as I2C1_SCL; can be configured as input or output.
7 NRST bidirectional Device reset input with internal reset output (active low) and embedded weak pull-up resistor; accepts both internal and external reset events.
8 VSSA power_in Analog ground for ADC, internal oscillators, and PLL circuits.
9 VDDA power_in Analog power supply, 2.4 to 3.6 V, must be greater than or equal to VDD.
10 PA0 bidirectional 3.3V tolerant I/O with ADC_IN0 function and alternate functions for USART2 CTS, USART4 TX, RTC wakeup, and tamper; can be configured as input or output.
11 PA1 bidirectional 3.3V tolerant I/O with ADC_IN1 function and alternate functions for USART2/USART4, TIM15, and events; can be configured as input or output.
12 PA2 bidirectional 3.3V tolerant I/O with ADC_IN2 function and alternate functions for USART2 TX and TIM15 CH1; can be configured as input or output.
13 PA3 bidirectional 3.3V tolerant I/O with ADC_IN3 function and alternate functions for USART2 RX and TIM15 CH2; can be configured as input or output.
14 PA4 bidirectional 3.3V tolerant I/O with ADC_IN4 function and alternate functions for SPI1 NSS, TIM14 CH1, USART2 CK, and USB_NOE; can be configured as input or output.
15 PA5 bidirectional 3.3V tolerant I/O with ADC_IN5 function and SPI1 SCK alternate function; can be configured as input or output.
16 PA6 bidirectional 3.3V tolerant I/O with ADC_IN6 function and alternate functions for SPI1 MISO, TIM3 CH1, TIM1 BKIN, TIM16 CH1, USART3 CTS, and events; can be configured as input or output.
17 PA7 bidirectional 3.3V tolerant I/O with ADC_IN7 function and alternate functions for SPI1 MOSI, TIM3 CH2, TIM14 CH1, TIM1 CH1N, TIM17 CH1, and events; can be configured as input or output.
18 PB0 bidirectional 3.3V tolerant I/O with ADC_IN8 function and alternate functions for TIM3 CH3, TIM1 CH2N, USART3 CK, and events; can be configured as input or output.
19 PB1 bidirectional 3.3V tolerant I/O with ADC_IN9 function and alternate functions for TIM3 CH4, USART3 RTS, TIM14 CH1, and TIM1 CH3N; can be configured as input or output.
20 PB2 bidirectional 5V tolerant I/O with no alternate functions; can be configured as input or output.
21 PB10 bidirectional 5V tolerant I/O with alternate functions for SPI2 SCK and USART3 TX; can be configured as input or output.
22 PB11 bidirectional 5V tolerant I/O with alternate functions for USART3 RX, I2C2 SDA, and events; can be configured as input or output.
23 VSS power_in Ground for digital circuits.
24 VDD power_in Digital power supply, 2.4 to 3.6 V.
25 PB12 bidirectional 5V tolerant I/O with alternate functions for TIM1 BKIN, TIM15 BKIN, SPI2 NSS, USART3 CK, and events; can be configured as input or output.
26 PB13 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for SPI2 SCK, I2C2 SCL, TIM1 CH1N, and USART3 CTS; can be configured as input or output.
27 PB14 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for SPI2 MISO, I2C2 SDA, TIM1 CH2N, TIM15 CH1, and USART3 RTS; can be configured as input or output.
28 PB15 bidirectional 5V tolerant I/O with alternate functions for SPI2 MOSI, TIM1 CH3N, TIM15 CH1N/CH2, RTC reference input, and wakeup; can be configured as input or output.
29 PA8 bidirectional 5V tolerant I/O with alternate functions for USART1 CK, TIM1 CH1, MCO, and events; can be configured as input or output.
30 PA9 bidirectional 5V tolerant I/O with alternate functions for USART1 TX, TIM1 CH2, TIM15 BKIN, and I2C1 SCL; can be configured as input or output.
31 PA10 bidirectional 5V tolerant I/O with alternate functions for USART1 RX, TIM1 CH3, TIM17 BKIN, and I2C1 SDA; can be configured as input or output.
32 PA11 bidirectional 5V tolerant I/O with USB_DM function and alternate functions for USART1 CTS, TIM1 CH4, and events; can be configured as input or output.
33 PA12 bidirectional 5V tolerant I/O with USB_DP function and alternate functions for USART1 RTS, TIM1 ETR, and events; can be configured as input or output.
34 PA13 bidirectional 5V tolerant I/O configured as SWDIO after reset with alternate functions for IR output and USB_NOE; can be configured as input or output.
35 VSS power_in Ground for digital circuits.
36 VDD power_in Digital power supply, 2.4 to 3.6 V.
37 PA14 bidirectional 5V tolerant I/O configured as SWCLK after reset with alternate function for USART2 TX; can be configured as input or output.
38 PA15 bidirectional 5V tolerant I/O with alternate functions for SPI1 NSS, USART2 RX, USART4 RTS, and events; can be configured as input or output.
39 PB3 bidirectional 5V tolerant I/O with alternate functions for SPI1 SCK and events; can be configured as input or output.
40 PB4 bidirectional 5V tolerant I/O with alternate functions for SPI1 MISO, TIM17 BKIN, TIM3 CH1, and events; can be configured as input or output.
41 PB5 bidirectional 5V tolerant I/O with alternate functions for SPI1 MOSI, I2C1 SMBA, TIM16 BKIN, TIM3 CH2, and wakeup; can be configured as input or output.
42 PB6 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for I2C1 SCL, USART1 TX, and TIM16 CH1N; can be configured as input or output.
43 PB7 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for I2C1 SDA, USART1 RX, USART4 CTS, and TIM17 CH1N; can be configured as input or output.
44 BOOT0 input Dedicated boot mode selection input pin; selects whether device boots from flash memory or system memory.
45 PB8 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for I2C1 SCL and TIM16 CH1; can be configured as input or output.
46 PB9 bidirectional 5V tolerant I/O (FM+ capable) with alternate functions for SPI2 NSS, I2C1 SDA, IR output, TIM17 CH1, and events; can be configured as input or output.
47 VSS power_in Ground for digital circuits.
48 VDD power_in Digital power supply, 2.4 to 3.6 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32F070CBT6TR
  • Footprint: Package_QFP:LQFP-48_7x7mm_P0.5mm
  • 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: stm32f070cbt6tr-etched.step / stm32f070cbt6tr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f070cbt6tr.step / stm32f070cbt6tr.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (83 pp, sha256 44d1b9bed723a262, 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