STM32G041K6U3

Microcontrollers Overview

The STM32G041K6U3TR is a mainstream microcontroller based on the Arm Cortex-M0+ core, operating at up to 64 MHz. It features 64 Kbytes of Flash memory with protection and securable areas, alongside 8 Kbytes of SRAM equipped with hardware parity check. The device supports a supply voltage range of 1.7 V to 3.6 V and operates within temperatures from -40°C to 125°C. Key peripherals include two USARTs, two I2Cs, two SPIs, a 12-bit ADC, timers, an AES accelerator, and a true random-number generator.

Microcontrollers Feature Summary

• Integrates an Arm Cortex-M0+ CPU with Memory Protection Unit (MPU) for secure execution environments.
• Includes hardware security accelerators such as AES encryption and a True Random-Number Generator (RNG).
• Provides versatile communication interfaces including I2C, SPI, USART, and low-power UART.
• Features advanced power management with multiple low-power modes and VBAT support for RTC operation.

Microcontrollers Applications

• Consumer electronics requiring high integration and low power consumption.
• Industrial control systems needing robust communication interfaces and timer capabilities.
• Appliance domains utilizing advanced motor control and sensor monitoring.
• IoT solutions demanding secure data transmission and processing.

Microcontrollers Procurement Notes

Verify the complete part number against official STMicroelectronics documentation to ensure correct package type, temperature grade, and tape-and-reel specifications. Confirm that the ordering suffix matches the required physical form factor and environmental ratings before finalizing procurement decisions.

Microcontrollers Selection Notes

Select this component when a balance of performance and cost is required for applications needing up to 64 MHz processing speed. Ensure the design accommodates the specific UFQFPN32 package dimensions and utilizes the available GPIOs for system connectivity. Consider the integrated security features if protecting intellectual property or sensitive data is a priority.

Microcontrollers Part Context

This device belongs to the STM32G0 series, which targets mainstream applications with high integration levels. It shares architectural similarities with other G0 variants but offers specific memory sizes and pin counts tailored for compact designs. The series emphasizes energy efficiency and security for modern embedded systems.

Microcontrollers Replacement Considerations

Compatible substitutes within the same family include STM32G041K6T6 and STM32G041K6Y3. Verify pin compatibility and peripheral availability when transitioning between different package options or temperature grades within the STM32G041x6/x8 group.

Microcontrollers FAQ

Does the STM32G041K6U3 support hardware cryptographic acceleration?

Yes, it includes an AES hardware accelerator supporting 128/256-bit keys and a True Random-Number Generator (RNG).

What is the maximum operating frequency of the Cortex-M0+ core in this MCU?

The Arm Cortex-M0+ core operates at frequencies up to 64 MHz.

Can the RTC function during low-power shutdown modes?

Yes, the VBAT direct battery input allows keeping the RTC and backup registers powered even in Shutdown mode.