STMicroelectronics STM32G051C8T6

Overview

STM32G051C8T6 from STMicroelectronics is a 32-bit Arm® Cortex®-M0+ microcontroller in UFQFPN48 package, operating up to 64 MHz with 64 KB Flash and 18 KB SRAM. It integrates dual 12-bit DACs, 12-bit ADC (0.4 µs conversion), two USARTs with LIN/IrDA support, two I²C interfaces (Fast-mode Plus), and RTC with alarm-deployed in industrial sensor nodes requiring low-power operation and analog signal conditioning.

For engineers reviewing the STM32G051C8T6 datasheet, STM32G051C8T6 pinout, STM32G051C8T6 application, or STM32G051C8T6 equivalent, key selection criteria include its 64 MHz Cortex-M0+ core, 1.7–3.6 V supply range, 44 fast I/Os (multiple 5 V-tolerant), integrated VREFBUF, and support for Stop/Standby/Shutdown low-power modes with RTC wakeup capability.

Technical Context

The STM32G051C8T6 implements an Arm Cortex-M0+ core with MPU, supporting TrustZone-like memory protection via securable flash area and hardware parity on 16 KB of SRAM. Its clock system combines 4–48 MHz HSE, 32 kHz LSE with calibration, and internal 16 MHz HSI with PLL for precise timing control across operating temperatures from –40°C to 125°C.

Peripheral interconnect uses a hierarchical AHB/APB bus matrix enabling concurrent DMA transfers and peripheral access. The 7-channel DMA controller supports flexible mapping to all major peripherals-including ADC, DAC, USART, SPI, and timers-with dedicated DMAMUX routing for deterministic latency in real-time control loops.

Key Specifications

Pinout & Package

STM32G051C8T6 is housed in a 7 mm × 7 mm UFQFPN48 package with 0.5 mm pitch, ECOPACK2-compliant, suitable for space-constrained industrial PCBs. Pin assignment follows ST's standard STM32G0 series layout with dedicated VDD/VSS pairs, NRST, BOOT0, and SWDIO/SWCLK debug pins.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with STM32G071CBT6, the STM32G051C8T6 trades memory and USB for lower BOM cost and identical low-power performance; versus STM32F072CBT6, it delivers 30% lower Stop-mode current and integrated VREFBUF-critical for precision analog systems without external references.

Availability

STM32G051C8T6 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interface modules, and programmable logic controller (PLC) I/O expanders requiring stable component supply, long-term lifecycle assurance, and ECOPACK2-compliant packaging.

Supply support for STM32G051C8T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power management ICs, MEMS, and automotive-grade components since 1987.

The STM32G0 series targets cost-sensitive, ultra-low-power embedded applications-delivering Cortex-M0+ performance with enhanced analog integration, security features, and simplified development for industrial, consumer, and medical edge devices.

FAQ

What is the maximum operating frequency and voltage range of the STM32G051C8T6?

The STM32G051C8T6 operates at up to 64 MHz across a supply voltage range of 1.7 V to 3.6 V. Its internal voltage regulator supports dynamic voltage scaling, and the 16 MHz HSI oscillator can be calibrated to ±1% accuracy using the built-in trimming register-enabling reliable timing without external crystal in many applications.

Does the STM32G051C8T6 support hardware encryption or secure boot?

The STM32G051C8T6 does not include dedicated cryptographic accelerators (AES/RSA) or ROM-based secure boot. However, it provides readout protection (RDP) levels, securable flash area, memory protection unit (MPU), and 96-bit unique ID-enabling software-implemented secure boot and firmware authentication with external keys stored in protected sectors.

How many analog-to-digital converter (ADC) channels does the STM32G051C8T6 support?

The STM32G051C8T6 integrates a single 12-bit ADC with up to 16 external input channels and internal sources (temperature sensor, VREFINT, VBAT). It supports hardware oversampling to achieve up to 16-bit effective resolution and features 0.4 µs conversion time-optimized for real-time analog acquisition in motor control and sensor fusion applications.

Can the STM32G051C8T6 operate in extended temperature ranges?

Yes-the STM32G051C8T6 is qualified for operation from –40°C to +125°C ambient temperature, meeting industrial-grade reliability requirements. This rating is validated per ST's production test flow and applies to all package variants, including the UFQFPN48 used in the C8T6 variant.