STM32U031G6Y6TR

Microcontrollers Overview

The STM32U031G6Y6TR 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 operates within a voltage range of 1.71 V to 3.6 V and supports ambient temperatures from -40 °C to 85 °C or -40 °C to 125 °C. It includes rich analog peripherals such as a 12-bit ADC, DAC, operational amplifier, and comparator. Connectivity is provided by multiple communication interfaces including USARTs, LPUARTs, I2Cs, and SPIs.

Microcontrollers Feature Summary

• Ultra-low-power operation with multiple low-power modes including Shutdown and Standby for minimal energy consumption
• Integrated ART Accelerator enabling zero wait-state execution from flash memory at maximum frequency
• Rich analog subsystem featuring a 12-bit ADC, 12-bit DAC, operational amplifier, and comparator with independent supply support
• Comprehensive security mechanisms including robust readout protection, secure boot, and true random number generation

Microcontrollers Applications

• Battery-powered IoT sensor nodes requiring extended standby life
• Smart home appliances and consumer electronics with strict power constraints
• Industrial control systems utilizing capacitive sensing and motor control timers
• Wearable devices needing compact packaging and high performance per milliwatt

Microcontrollers Procurement Notes

Verify the specific package type WLCSP27 against your PCB footprint requirements. Confirm the temperature grade matches your environmental specifications. Ensure the ordering suffix corresponds to the correct tape and reel configuration. Check for any regional distribution restrictions or lead time variations before finalizing procurement plans.

Microcontrollers Selection Notes

Select this model when 32 Kbytes of flash and 12 Kbytes of SRAM are sufficient for the application logic. Choose this variant over other STM32U031 models if the WLCSP27 package is required for space-constrained designs. Consider this part for applications needing the specific peripheral count associated with the G6 series, including GPIO availability and timer configurations.

Microcontrollers Part Context

This component belongs to the STM32U031x4/6/8 family of ultra-low-power microcontrollers. These devices are designed for applications demanding high energy efficiency without compromising processing capability. The family shares a common architecture but varies in memory size, pin count, and peripheral availability across different package options.

Microcontrollers Replacement Considerations

Direct replacements within the same family include STM32U031G6Y6NT or other suffixes indicating different packaging or temperature grades. Cross-family migration to STM32L0 or STM32G0 series requires significant software and hardware redesign due to architectural differences.