STMicroelectronics STM32F103VET6

STM32F103VET6 is a powerful microcontroller based on ARM Cortex-M3, widely used for embedded systems. It offers high performance, low power, and flexibility. It can be programmed using the Arduino IDE with proper setup. Development boards and resources are available for easy prototyping.

Table of Contents

• 1. Overview of STM32F103VET6
• 2. STM32F103VET6 pinout
• 3. STM32F103VET6 features
• 4. Application fields of STM32F103VET6
• 5. STM32F103VET6 circuit design
• 6. STM32F103VET6 with Arduino
• 7. STM32F103VET6 Development board and project
• 8. Programming and debugging of STM32F103VET6
• 9. Sum up
• Frequently Asked Questions

1. Overview of STM32F103VET6

The STM32F103VET6 is a high performance microcontroller with 512KB of add-on and 64KB of SRAM. It can operate at a frequency of up to 72MHz and support a variety of peripheral interfaces, such as I2C, SPI, USART, etc. In addition, the STM32F103VET6 also has built-in functions such as 12-bit ADC, PWM output, and timer, which are suitable for various embedded applications from simple to complex.

2. STM32F103VET6 pinout

STM32F103VET6 Pinout

The pinout arrangement of the STM32F103VET6 is essential to understand how to connect the microcontroller with other hardware components. Here is a brief description of the pinout of the STM32F103VET6:

pinout arrangement is a key factor in circuit design and project planning. Knowing the layout and functionality of these pinout will help to properly connect components such as sensors, actuators, or external memories.

2.1 STM32F103VET6 package

The Package type of STM32F103VET6 is LQFP-100 (Low-profile Quad Flat Package 100 pinout), and its footprint characteristics are as follows:

STM32F103VET6 package

STM32F103VET6 footprint

pinout spacing：0.5mm.

Package size：14mm x 14mm.

When designing the PCB, ensure that the pad is compatible with the package of the STM32F103VET6 to ensure that the pinout are correctly connected and soldered reliably.

3. STM32F103VET6 features

STM32F103VET6 is a 32-bit microcontroller based on ARM Cortex-M3 core with the following main features:

4. Application fields of STM32F103VET6

As a high performance microcontroller, STM32F103VET6 is widely used in the following fields:

Internet of Things (IoT) : With its rich communication interfaces (such as SPI, I2C, USART), STM32F103VET6 has been widely used in iot devices. You can use it to develop various smart devices such as smart sensors, home automation systems, etc.

Robot : STM32F103VET6 powerful processing capabilities and rich peripheral interfaces make it an ideal choice for robot control systems. By combining various sensors and actuators, you can develop high performance robotic systems.

Industrial control : STM32F103VET6 provides high precision analog input (ADC) and a variety of communication protocols, suitable for use in industrial control systems.

Embedded system development : Because of its processing ability and low power consumption characteristics, STM32F103VET6 is also widely used in various embedded projects.

5. STM32F103VET6 circuit design

When designing a circuit based on STM32F103VET6, the following key parts should be considered:

Power management : STM32F103VET6 needs 3.3V stable power supply. A common power management scheme is to convert 5V to 3.3V by AMS1117 or LD1117 regulator chips while adding 100nF and 10uF capacitors for decoupling.

Clock circuit : The chip built-in 8 MHz high-speed external crystal oscillator (HSE). For a higher precision clock, an external crystal can be used, connected to the HSE pinout and used with the load capacitor.

Peripheral interface : Connect UART, SPI, I2C and other peripheral interfaces according to project requirements. Signal integrity should be paid attention to in the design to avoid interference, especially for the ADC input of analog signals, the signal routing should be clear and the decoupling capacitor should be added.

Reset circuit : Use NRST pinout for reset, it is recommended to achieve stable power-on reset through capacitor and pull-up resistor, and you can consider adding reset button for manual reset.

Programming and debugging : Debugging and burning through JTAG or SWD interfaces requires ensuring that these interfaces are properly connected and optimally laid out to reduce signal interference.

5.1 Schematic diagram

The schematic design should include key parts such as power management, clock circuit, reset circuit, peripheral interface and debug interface. Ensure the reasonable layout of each part, reduce signal interference and improve system stability. When designing, refer to the datasheet and reference manual of STM32F103VET6, which can help to better understand the pinout function and design requirements.

6. STM32F103VET6 with Arduino

STM32F103VET6 Arduino

6.1 Configure the Arduino IDE

Although the STM32F103VET6 itself is not an official microcontroller supported by Arduino, with some additional configuration you can still program it in Arduino IDE. First, you need to install the support library for STM32, this can be done through Arduino's "Development Board Manager".

Arduino IDE, go to File > Preferences.

In the Additional Board Manager URL input field, add the URL of STM32: http ://dan .drown .org /stm32duino /package_STM32duino_index .json

Then open the tools > Development board > Develop board manager, search for STM32 and install.

After installation, select STM32F103VET6 as the development board, and set the correct serial port and programming mode. At this point, you can write and upload code just like you would with any other Arduino board.

6.2 Bootloader

In order to make the STM32F103VET6 programable through the Arduino IDE, you need to burn a Bootloader in the chip. The STM32F103VET6 does not have the standard Bootloader used by Arduino installed by default, so you need to burn the bootloader into the chip via ST-Link or another programming tool. After successful burning, you can use Arduino IDE to upload the program.

7. STM32F103VET6 Development board and project

7.1 Development board selection

Although the STM32F103VET6 is a chip microcontroller, it also has a number of off-the-shelf development boards to choose from, perhaps the most famous of which is the "Blue Pill". This is a low-cost development board based on STM32F103C8T6 (compatible with STM32F103VET6), and provides a wealth of pinout interfaces, suitable for various project development.

7.2 Blue Pill development board

The Blue Pill development board provides an easy way for users to use the STM32F103 family of microcontrollers with low performance. price. Its compact size makes it suitable for embedded projects, and it can be powered and programmed through a USB port. Using the Blue Pill development board, developers can exploit the powerful performance of STM32F103VET6 to develop various embedded applications.

7.3 Project Example

STM32F103VET6 is widely used in Arduino environment. Here are some typical projects using the STM32F103VET6 microcontroller:

LED light control : The brightness of LED is controlled by PWM signal.

Temperature sensor : Use the analog input interface to read the temperature sensor data, and output the results through the serial port.

Motor control : Use PWM output to control the speed of stepper motor or DC motor.

Wireless communication : Communicate with the wireless module (such as NRF24L01 or ESP8266) through SPI or UART protocol to realize wireless control.

8. Programming and debugging of STM32F103VET6

8.1 Programming and uploading

The STM32F103VET6 supports programming and debugging via USB interface or using the ST-Link debugger. When using Arduino IDE for programming, developers can directly connect to the development board through USB for code upload. In addition, STM32F103VET6 also supports communication with other external devices through UART or SPI interface.

8.2 Bootloader

STM32F103VET6 has a powerful built-in bootloader that allows developers to upload programs without a dedicated programmer. By pulling the BOOT0 pinout high, the chip goes into bootloader mode, allowing new programs to be uploaded through interfaces such as the serial port. This feature makes it easier for developers to update and debug their projects.

8.3 Debugging and testing

Using the ST-Link debugger and debugging software, developers can easily debug code, set breakpoints, memory monitoring and other operations, so as to better optimize the code performance of the project.

9. Sum up

STM32F103VET6 is a high-performance, low-power 32-bit microcontroller based on ARM Cortex-M3 core, which is widely used in many fields such as Internet of things, robotics, industrial control and so on. Its rich peripheral interface and powerful computing ability make it have a high performance-price ratio in embedded system development. Through development boards such as Blue Pill, users can easily use Arduino IDE for programming, and combined with the support of bootloader, the development process is greatly simplified. In addition, the circuit design and schematic diagram of STM32F103VET6 also provide clear guidance for hardware development. In summary, the STM32F103VET6 is a full-featured and affordable microcontroller suitable for various embedded projects.

Frequently Asked Questions

1. What is the price of STM32F103VET6?

The STM32F103VET6 typically costs between $3 and $8, depending on the vendor and quantity.

2. How to set STM32F103VET6 for I2C communication?

Use STM32CubeMX to configure the I2C peripheral, select the appropriate pinout, and implement the communication in STM32CubeIDE or Arduino.

3. What programming languages can STM32F103VET6 use?

The STM32F103VET6 can be programmed using C, C++ and the Arduino IDE, supported through the STM32 core.

4. How to use STM32F103VET6 with external memory?

The external memory is connected through SPI or I2C interface, the appropriate pinout are configured, and the peripheral driver in STM32CubeMX is used.

5. What is the maximum clock frequency of STM32F103VET6?

The maximum clock frequency of the STM32F103VET6 is 72 MHz.

6. Can STM32F103VET6 be used for motor control?

Yes, it supports PWM output and timers, suitable for controlling motors, including DC motors and stepper motors.

7. What power consumption options do STM32F103VET6 have?

It offers multiple low-power modes including sleep, stop, and standby to minimize power consumption.