STM32G0 vs. STM32G4

Attribute	STM32G0	STM32G4
CPU	ARM Cortex-M0+	ARM Cortex-M4
Flash Memory	up to 512 KB	up to 2 MB
SRAM	up to 96 KB	up to 320 KB
Operating Frequency	up to 64 MHz	up to 170 MHz
GPIO	up to 82	up to 114

Introduction

STM32 microcontrollers are a popular choice for embedded systems development due to their high performance, low power consumption, and rich set of peripherals. The STM32G0 and STM32G4 series are two of the latest additions to STMicroelectronics' lineup, offering a range of features suitable for a variety of applications. In this article, we will compare the attributes of the STM32G0 and STM32G4 microcontrollers to help you choose the right one for your project.

Performance

The STM32G0 series is based on the Arm Cortex-M0+ core, which is optimized for low power consumption and cost-sensitive applications. It offers a maximum CPU frequency of up to 64 MHz and a performance of 2.46 CoreMark/MHz. On the other hand, the STM32G4 series is based on the Arm Cortex-M4 core, which provides higher performance with a maximum CPU frequency of up to 170 MHz and a performance of 3.42 CoreMark/MHz. This makes the STM32G4 series better suited for applications that require higher computational power.

Peripherals

Both the STM32G0 and STM32G4 series come with a rich set of peripherals, including timers, communication interfaces, analog-to-digital converters, and more. However, the STM32G4 series offers additional features such as a hardware floating-point unit (FPU) and a digital signal processor (DSP) for signal processing applications. These additional peripherals make the STM32G4 series more versatile and suitable for a wider range of applications compared to the STM32G0 series.

Power Consumption

One of the key advantages of STM32 microcontrollers is their low power consumption, making them ideal for battery-powered applications. The STM32G0 series is designed for ultra-low-power applications, with a standby current consumption as low as 7 nA. On the other hand, the STM32G4 series also offers low power consumption with a standby current consumption of 18 nA. While both series are energy-efficient, the STM32G0 series is more suitable for applications that require the lowest power consumption possible.

Connectivity

Connectivity is an important factor to consider when choosing a microcontroller for your project. The STM32G0 series offers a range of communication interfaces, including UART, SPI, I2C, and USB. The STM32G4 series, on the other hand, provides additional connectivity options such as Ethernet, CAN, and SDIO interfaces. If your project requires advanced connectivity features, the STM32G4 series would be the better choice.

Development Tools

STMicroelectronics provides a comprehensive set of development tools and software libraries to support the STM32 microcontrollers. Both the STM32G0 and STM32G4 series are supported by the STM32CubeIDE, which is a free integrated development environment (IDE) for STM32 microcontrollers. Additionally, STMicroelectronics offers a wide range of software libraries and middleware to help developers get started with their projects quickly. Whether you choose the STM32G0 or STM32G4 series, you can rely on STMicroelectronics' robust development ecosystem to streamline your development process.

Conclusion

In conclusion, the STM32G0 and STM32G4 series are both excellent choices for embedded systems development, each offering a unique set of features and capabilities. The STM32G0 series is well-suited for low-power and cost-sensitive applications, while the STM32G4 series provides higher performance and advanced connectivity options. When choosing between the two, consider the specific requirements of your project and select the microcontroller that best meets your needs. With STMicroelectronics' comprehensive development tools and support, you can confidently develop your embedded systems projects using either the STM32G0 or STM32G4 series.