STM32G031G8U6 Detailed explanation of pin function specifications and circuit principle instructions
The STM32G031G8U6 is part of the STM32 series, a family of microcontrollers developed by STMicroelectronics. It belongs specifically to the STM32G0 family, which is designed for low- Power applications and is based on an ARM Cortex-M0+ core.
Pin Function Specifications and Circuit Principles
The STM32G031G8U6 comes in a LQFP-48 (Low-profile Quad Flat Package) form factor with 48 pins. Here’s a detai LED breakdown of its pin functions, with each pin clearly identified. Below, I’ll provide the pinout and functions for this specific model and its pins.
Pinout and Function Details
Pin Number Pin Name Pin Function Description 1 VDD Power supply for the core and peripherals (3.3V typical) 2 VSS Ground (0V) 3 NRST Reset input (active low, external reset source) 4 PA13 SWDIO (Serial Wire Debug Data Input/Output) 5 PA14 SWCLK (Serial Wire Debug Clock ) 6 PA15 GPIO, can be used for UART1 TX or SPI1 SCK 7 PB3 UART1 RX, can also be used for I2C1 SCL 8 PB4 UART1 TX, can also be used for I2C1 SDA 9 PC13 User button or external interrupt input 10 PC14 GPIO 11 PC15 GPIO 12 PD0 USART1 RX, or can be used for SPI1 MISO or I2C2 SDA 13 PD1 USART1 TX, or can be used for SPI1 MOSI or I2C2 SCL 14 PA0 ADC input or can be used as a GPIO 15 PA1 ADC input or can be used as a GPIO 16 PA2 UART2 TX, GPIO 17 PA3 UART2 RX, GPIO 18 PA4 GPIO, can be used as a digital output 19 PA5 GPIO, can be used as PWM output, also for ADC 20 PA6 USART2 RX, GPIO, or can be used for PWM output 21 PA7 USART2 TX, GPIO, or can be used for PWM output 22 PB0 GPIO, can be used for external interrupts or PWM 23 PB1 GPIO, can be used for external interrupts or PWM 24 PB2 GPIO, can be used as PWM or external interrupt input 25 PB5 SPI1 SCK, can also be used as a PWM output 26 PB6 SPI1 MISO, can also be used as a PWM output or GPIO 27 PB7 SPI1 MOSI, can also be used as a PWM output or GPIO 28 PC0 GPIO, can be used for ADC input or external interrupt 29 PC1 GPIO, can be used for ADC input or external interrupt 30 PC2 GPIO, can be used for ADC input or external interrupt 31 PC3 GPIO, can be used for ADC input or external interrupt 32 PC4 GPIO, can be used for ADC input or external interrupt 33 PC5 GPIO, can be used for ADC input or external interrupt 34 PD2 GPIO 35 PD3 GPIO 36 PD4 GPIO 37 PD5 GPIO 38 PD6 GPIO 39 PD7 GPIO 40 PD8 GPIO 41 PD9 GPIO 42 PD10 GPIO 43 PD11 GPIO 44 PD12 GPIO 45 PD13 GPIO 46 PD14 GPIO 47 PD15 GPIO 48 VSS Ground (0V)Pin Description Summary:
Power Pins: VDD and VSS provide power and ground connections for the microcontroller. Reset Pin: NRST is used to reset the microcontroller externally. Serial Debug Pins: SWDIO (PA13) and SWCLK (PA14) are used for serial wire debugging (SWD). GPIO Pins: These pins can be used for various general-purpose input/output functions, such as LEDs, buttons, and external components. Communication Pins: These include UART, SPI, and I2C functions for communication with other devices. Some pins can also handle PWM, ADC, or external interrupts. Analog Inputs: Several pins (e.g., PA0, PA1) serve as analog inputs for the ADC.FAQ: 20 Common Questions
What is the supply voltage for STM32G031G8U6? The typical supply voltage is 3.3V (VDD pin), with an acceptable range between 2.4V and 3.6V.
How do I reset the STM32G031G8U6 microcontroller? To reset, apply a low signal to the NRST pin, which will reset the microcontroller and initialize it to a known state.
What debugging interface does STM32G031G8U6 support? It supports Serial Wire Debug (SWD), which uses the SWDIO and SWCLK pins.
Can STM32G031G8U6 be used for motor control applications? Yes, it can be used for motor control, utilizing PWM outputs from various pins (e.g., PA5, PB0).
How many PWM outputs does STM32G031G8U6 have? The microcontroller has several PWM-capable pins, including PA5, PA6, PA7, PB0, PB1, PB2.
Can STM32G031G8U6 interface with I2C devices? Yes, it supports I2C communication on pins PB3 (SCL) and PB4 (SDA).
Which pins on STM32G031G8U6 support ADC functionality? Pins PA0, PA1, PA2, PA3, PA4, and PA5 are capable of analog-to-digital conversion.
How do I use the UART on STM32G031G8U6? The microcontroller provides UART functionality on pins PA2 (TX) and PA3 (RX) for UART2, and PA9 (TX) and PA10 (RX) for UART1.
What type of external interrupts can STM32G031G8U6 handle? It can handle external interrupts on many GPIO pins, such as PA0, PA1, PB0, and PB1.
Can STM32G031G8U6 support SPI communication? Yes, it supports SPI communication, with SPI1 using pins PA5 (SCK), PA6 (MISO), PA7 (MOSI), and PB5 (SCK).
What is the maximum operating frequency of STM32G031G8U6? The maximum operating frequency is 64 MHz.
Does STM32G031G8U6 support low-power modes? Yes, it has several low-power modes, including Sleep and Stop modes, for energy-efficient operation.
Can I use STM32G031G8U6 for USB communication? No, STM32G031G8U6 does not have a USB peripheral.
What are the main differences between STM32G031G8U6 and other STM32G0 series? The STM32G031G8U6 offers specific pinouts and peripheral set choices for smaller designs, with 48 pins and a Cortex-M0+ core.
How many GPIO pins are available on STM32G031G8U6? There are 40 general-purpose I/O pins available.
Can STM32G031G8U6 be used for audio applications? It can support audio applications with PWM outputs for audio control or using external digital-to-analog conversion (DAC).
What is the function of the PA13 and PA14 pins? PA13 and PA14 are used for debugging and programming (SWDIO and SWCLK, respectively).
Can STM32G031G8U6 interface with external sensors? Yes, it can interface with various sensors using I2C, SPI, and ADC functions.
What is the storage capacity of STM32G031G8U6? It has 64KB of Flash memory and 16KB of SRAM.
How do I configure STM32G031G8U6 pins for different functions? Pin functions can be configured using STM32CubeMX or by programming the pin mode registers.
Conclusion
The STM32G031G8U6 is a versatile, low-power microcontroller from STMicroelectronics, featuring an ARM Cortex-M0+ core, with multiple I/O functions. It supports UART, SPI, I2C, ADC, PWM, and external interrupts.
