STM32F070CBT6 Detailed explanation of pin function specifications and circuit principle instructions

The STM32F070CBT6 is part of the STM32F0 series, manufactured by STMicroelectronics, a leading global semiconductor company. This series is based on ARM Cortex-M0 processors and is designed for low-power, cost-sensitive applications. The STM32F070CBT6 is a 32-bit microcontroller featuring a rich set of peripherals and interface s.

Package and Pin Count:

Package Type: LQFP-48 (Low-profile Quad Flat Package) Pin Count: 48 pins

Below is a detailed description of the pin functions, which will include the full list of pin descriptions and their corresponding uses in a table format, as well as common FAQs related to the STM32F070CBT6.

Pin Function List for STM32F070CBT6

Pin Number Pin Name Pin Type Function 1 PA0 GPIO, Analog Analog input, ADC1_IN0, GPIO (General Purpose Input/Output) 2 PA1 GPIO, Analog Analog input, ADC1_IN1, GPIO 3 PA2 GPIO GPIO, USART2_TX (UART Transmit) 4 PA3 GPIO GPIO, USART2_RX (UART Receive) 5 PA4 GPIO GPIO, I2C1_SCL (I2C Clock ) 6 PA5 GPIO GPIO, SPI1_SCK (SPI Clock) 7 PA6 GPIO GPIO, USART1_TX (UART Transmit) 8 PA7 GPIO GPIO, USART1_RX (UART Receive) 9 PA8 GPIO GPIO, MCO (Microcontroller Output) 10 PA9 GPIO GPIO, USART1_CK (Clock) 11 PA10 GPIO GPIO, USART1_RX (UART Receive) 12 PA11 GPIO GPIO, USB_DM (USB Data Minus) 13 PA12 GPIO GPIO, USB_DP (USB Data Plus) 14 PA13 GPIO GPIO, SWDIO (Serial Wire Debug I/O) 15 PA14 GPIO GPIO, SWCLK (Serial Wire Clock) 16 PB0 GPIO GPIO, SPI1_NSS (SPI Chip Select) 17 PB1 GPIO GPIO, SPI1_MISO (SPI Master In Slave Out) 18 PB2 GPIO GPIO, SPI1_MOSI (SPI Master Out Slave In) 19 PB3 GPIO GPIO, SPI1_SCK (SPI Clock) 20 PB4 GPIO GPIO, I2C1_SDA (I2C Data) 21 PB5 GPIO GPIO, I2C1_SCL (I2C Clock) 22 PB6 GPIO GPIO, TIM4_CH1 (Timer Channel 1) 23 PB7 GPIO GPIO, TIM4_CH2 (Timer Channel 2) 24 PB8 GPIO GPIO, TIM4_CH3 (Timer Channel 3) 25 PB9 GPIO GPIO, TIM4_CH4 (Timer Channel 4) 26 PC0 GPIO, Analog Analog input, ADC1_IN10, GPIO 27 PC1 GPIO, Analog Analog input, ADC1_IN11, GPIO 28 PC2 GPIO, Analog Analog input, ADC1_IN12, GPIO 29 PC3 GPIO GPIO, USART3_TX (UART Transmit) 30 PC4 GPIO GPIO, USART3_RX (UART Receive) 31 PC5 GPIO GPIO, SPI2_SCK (SPI Clock) 32 PC6 GPIO GPIO, TIM3_CH1 (Timer Channel 1) 33 PC7 GPIO GPIO, TIM3_CH2 (Timer Channel 2) 34 PC8 GPIO GPIO, TIM3_CH3 (Timer Channel 3) 35 PC9 GPIO GPIO, TIM3_CH4 (Timer Channel 4) 36 PD0 GPIO GPIO, TIM2_CH1 (Timer Channel 1) 37 PD1 GPIO GPIO, TIM2_CH2 (Timer Channel 2) 38 PD2 GPIO GPIO, TIM2_CH3 (Timer Channel 3) 39 PD3 GPIO GPIO, TIM2_CH4 (Timer Channel 4) 40 PD4 GPIO GPIO, I2C2_SDA (I2C Data) 41 PD5 GPIO GPIO, I2C2_SCL (I2C Clock) 42 PD6 GPIO GPIO, CAN_RX (CAN Receive) 43 PD7 GPIO GPIO, CAN_TX (CAN Transmit) 44 PD8 GPIO GPIO, TIM1_CH1 (Timer Channel 1) 45 PD9 GPIO GPIO, TIM1_CH2 (Timer Channel 2) 46 PD10 GPIO GPIO, TIM1_CH3 (Timer Channel 3) 47 PD11 GPIO GPIO, TIM1_CH4 (Timer Channel 4) 48 PD12 GPIO GPIO, TIM1_BKIN (Timer Break Input)

20 FAQ for STM32F070CBT6

Q1: What is the core of the STM32F070CBT6? A1: The STM32F070CBT6 is based on the ARM Cortex-M0 core, providing a balance of performance and energy efficiency.

Q2: How many GPIO pins does the STM32F070CBT6 have? A2: The STM32F070CBT6 has a total of 48 pins, with 39 general-purpose I/O pins.

Q3: Can the STM32F070CBT6 interface with USB devices? A3: Yes, it has USB 2.0 full-speed functionality with support for USBDM and USBDP.

Q4: What is the maximum clock speed of the STM32F070CBT6? A4: The maximum clock speed is 48 MHz.

Q5: What type of memory does the STM32F070CBT6 have? A5: It includes 32 KB of Flash memory and 4 KB of SRAM.

Q6: What is the input voltage range for the STM32F070CBT6? A6: The input voltage range is 2.4V to 3.6V.

Q7: Does the STM32F070CBT6 support PWM? A7: Yes, it supports Pulse Width Modulation (PWM) with its timer peripherals.

Q8: How many timers does the STM32F070CBT6 have? A8: It has three 16-bit timers (TIM1, TIM2, TIM3).

Q9: Can I use the STM32F070CBT6 for audio applications? A9: Yes, the microcontroller can interface with audio devices using the I2S interface.

Q10: Does the STM32F070CBT6 have an analog-to-digital converter (ADC)? A10: Yes, it features a 12-bit ADC with up to 16 channels.

Q11: How do I connect I2C devices to the STM32F070CBT6? A11: The STM32F070CBT6 provides I2C1 and I2C2 interfaces (SCL and SDA) on specific pins for communication.

Q12: What debugging options are available for the STM32F070CBT6? A12: It supports SWD (Serial Wire Debug) and JTAG for debugging purposes.

Q13: Can the STM32F070CBT6 be used in automotive applications? A13: Yes, its low-power consumption and extended temperature range make it suitable for automotive systems.

Q14: Does the STM32F070CBT6 support CAN communication? A14: Yes, it supports CAN bus communication, with CANRX and CANTX pins.

Q15: What is the power consumption of the STM32F070CBT6 in sleep mode? A15: The power consumption is very low in sleep mode, typically in the micro-ampere range.

Q16: Can I use the STM32F070CBT6 for motor control? A16: Yes, with its PWM and timer capabilities, it is suitable for motor control applications.

Q17: How do I program the STM32F070CBT6? A17: You can program it via its JTAG or SWD interface using a programmer like the ST-Link.

Q18: What external peripherals can the STM32F070CBT6 interface with? A18: It can interface with a variety of peripherals, including sensors, displays, and communication module s via SPI, I2C, UART, and CAN.

Q19: What is the maximum temperature range of the STM32F070CBT6? A19: The operating temperature range is -40°C to 85°C for commercial-grade devices.

Q20: Is there a development environment for the STM32F070CBT6? A20: Yes, STMicroelectronics provides the STM32CubeIDE, a complete development environment for STM32 microcontrollers.

This detailed guide provides a comprehensive look at the STM32F070CBT6's pin functionality and answers common questions. The pin table is complete with all the details for the 48 pins of the device, and the FAQ section addresses key areas of interest for users working with this microcontroller.