STM32G051G6U3TR

Microcontrollers Overview

The STM32G051G6U3TR is a mainstream microcontroller based on the Arm Cortex-M0+ 32-bit RISC core, operating at frequencies up to 64 MHz. It features 32 Kbytes of Flash program memory and 18 Kbytes of SRAM. The device includes two USARTs, two SPIs/I2S, two I2Cs, one 12-bit ADC with up to 19 channels, one 12-bit DAC with two channels, and multiple timers. It operates within a supply voltage range of 1.7 V to 3.6 V and supports ambient temperatures from -40°C to 125°C.

Microcontrollers Feature Summary

• Integrates an Arm Cortex-M0+ core with Memory Protection Unit for secure execution
• Provides extensive peripheral connectivity including dual communication interfaces and analog converters
• Supports low-power design through optimized dynamic consumption and multiple power-saving modes
• Features high-speed embedded memories with read, write, and proprietary code protection

Microcontrollers Applications

• Consumer electronics devices requiring cost-effective processing
• Industrial control systems and appliance domains
• Internet of Things (IoT) sensor nodes and gateways
• Battery-powered applications utilizing VBAT direct input for RTC backup

Microcontrollers Procurement Notes

Verify the specific suffix U3TR corresponds to the UFQFPN-48 package and tape-and-reel delivery format as documented in official STMicroelectronics datasheets. Confirm that the G6 variant strictly contains 32 KB Flash, distinguishing it from higher-capacity models like the G8 series. Ensure compatibility with required temperature grades and voltage ranges before integration into final hardware designs.

Microcontrollers Selection Notes

Select this component when a balance of performance and pin count is required for entry-level IoT or consumer applications. The Cortex-M0+ architecture offers efficient code density suitable for resource-constrained environments. Verify that the 32 KB Flash capacity meets firmware requirements, as larger variants exist within the same family. The integrated analog peripherals reduce external component count for signal conditioning tasks.

Microcontrollers Part Context

This part belongs to the STM32G051x6/x8 mainstream microcontroller family. These devices are designed for high integration and low power consumption, targeting cost-sensitive markets. The G6 designation specifically indicates the 32 KB Flash memory configuration within the broader STM32G0 series portfolio.

Microcontrollers Replacement Considerations

Direct substitutes include other STM32G051 variants with different memory sizes or packages, such as STM32G051C8U3TR for 64 KB Flash in the same package. Cross-family replacements may require significant software adaptation due to architectural differences.