STM32U031C6U6

Microcontrollers Overview

The STM32U031C6U6 is an ultra-low-power microcontroller based on the Arm Cortex-M0+ core, operating at up to 56 MHz. It features 32 Kbytes of flash memory and 12 Kbytes of SRAM with hardware parity check. The device supports a supply voltage range of 1.71 V to 3.6 V and operates within temperature ranges of -40 °C to +85 °C or -40 °C to +125 °C. Key peripherals include a 12-bit ADC, 12-bit DAC, operational amplifier, analog comparator, RTC, multiple timers, and communication interfaces such as I2C, SPI, USART, and LPUART.

Microcontrollers Feature Summary

• Ultra-low-power architecture with multiple power-saving modes including Shutdown, Standby, and Stop modes for extended battery life.
• Integrated ART Accelerator enabling zero-wait-state execution from flash memory at maximum CPU frequency.
• Rich analog peripheral set featuring independent analog supply inputs for enhanced signal processing accuracy.
• Comprehensive security mechanisms including robust readout protection, secure boot, and true random number generation.

Microcontrollers Applications

• Battery-powered industrial sensors and thermostats
• Smart home gateways and door locks
• Medical devices such as glucose meters and insulin pumps
• Consumer activity trackers and GPS modules

Microcontrollers Procurement Notes

Verify the specific package type UFQFPN-48 matches your PCB footprint requirements. Confirm the operating temperature grade aligns with your environmental specifications. Ensure development tools support the Arm Cortex-M0+ architecture. Check for any regional certification requirements relevant to your target market.

Microcontrollers Selection Notes

Select this model when 32 Kbytes of flash is sufficient for your application code. Choose this variant over higher-capacity models if cost optimization is critical while maintaining ultra-low-power performance. Consider the pin count and available GPIOs against your interface requirements before finalizing the selection.

Microcontrollers Part Context

This component belongs to the STM32U0 series, designed for entry-level ultra-low-power applications. It shares architectural similarities with other STM32 MCUs but focuses on minimizing static consumption. The U031x line offers scalable memory options across different packages, providing flexibility for various embedded design constraints.

Microcontrollers Replacement Considerations

Direct replacements within the same family include STM32U031C8U6 for increased flash capacity. For lower memory configurations, consider STM32U031K4U6. Verify pin compatibility and peripheral availability when substituting with other STM32U0 variants.