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STMicroelectronics STM32G051C8U6
- Part No.:
- STM32G051C8U6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-UFQFN Exposed Pad
- Datasheet:
-
STM32G051C8U6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48UFQFPN
- Quantity:
- Payment:
- Shipping:
Inventory:1,475
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Product details
Overview
STM32G051C8U6 from STMicroelectronics is an Arm® Cortex®-M0+ 32-bit microcontroller with 64 KB Flash, 18 KB SRAM, dual USARTs (one with ISO7816/LIN/IrDA), 12-bit ADC (0.4 µs conversion), and two 12-bit DACs - deployed in industrial sensor nodes requiring low-power operation, secure firmware updates, and mixed-signal control.
For engineers reviewing the STM32G051C8U6 datasheet, STM32G051C8U6 pinout, STM32G051C8U6 application, or STM32G051C8U6 equivalent, key selection criteria include its 64 MHz max CPU frequency, 1.7–3.6 V supply range, 44 fast I/Os (multiple 5 V-tolerant), integrated RTC with wakeup from Stop/Standby, and SWD debug support for rapid firmware validation.
Technical Context
The STM32G051C8U6 integrates a Cortex-M0+ core with Memory Protection Unit (MPU), enabling secure partitioning of code and data regions. It supports boot from system memory, main Flash, or SRAM, and features a CRC calculation unit for firmware integrity verification.
Its clock system includes four oscillators: 4–48 MHz HSE, 32 kHz LSE with calibration, 16 MHz HSI with PLL, and 32 kHz LSI (±5 %). The 7-channel DMA controller supports flexible peripheral-to-memory and memory-to-memory transfers with configurable priority levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, up to 64 MHz - enables real-time deterministic execution for motor control and protocol stacks. |
| Flash / RAM | 64 KB Flash (with securable area & readout protection), 18 KB SRAM (16 KB with HW parity) - supports secure OTA updates and robust runtime data handling. |
| ADC | 12-bit, 0.4 µs conversion time, up to 16 external channels - delivers high-speed analog sensing for battery monitoring or environmental sensors. |
| DAC | Two 12-bit DACs with sample-and-hold - enables precise analog waveform generation or programmable bias voltage control. |
| Timers | 14 timers including two 128 MHz-capable advanced timers, one 32-bit general-purpose, five 16-bit GP, two low-power - supports motor FOC, PWM generation, and ultra-low-power periodic wakeups. |
| Communication | Two I2C (Fast-mode Plus, 1 Mbit/s), two USART (ISO7816/LIN/IrDA), one LPUART, two SPI (32 Mbit/s) - covers industrial fieldbus, smart card, and sensor interface requirements. |
| Supply Range | 1.7 V to 3.6 V - compatible with single-cell Li-ion, 3.3 V logic rails, and energy-harvesting power sources. |
Pinout & Package
STM32G051C8U6 uses a UFQFPN28 (4 × 4 mm) package with 28 pins, ECOPACK2-compliant, rated for -40°C to 105°C operation. Pin functions are validated per ST's DS13303 Rev 4, Section 4 (Pinouts and Alternate Functions).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual VDD/VSS pairs ensure stable core and I/O domain operation; decoupling required per layout guidelines. |
| PA0–PA15, PB0–PB15, PC13–PC15 | General-purpose I/O | Up to 44 fast I/Os; multiple pins support 5 V tolerance and external interrupt capability. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts external push-button or supervisor IC assertion. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port supporting full SWD protocol - enables flash programming and real-time debugging without JTAG overhead. |
| BOOT0 | Boot mode selection | High at power-on selects system memory bootloader; used for factory recovery or DFU via USART. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Boot & ROP | Readout Protection (ROP) Level 1/2 and securable Flash area prevent unauthorized firmware extraction and cloning. |
| Low-Power Modes | Sleep, Stop, Standby, and Shutdown modes with sub-μA current draw - extends battery life in portable and remote IoT endpoints. |
| RTC with Calendar | Hardware calendar, alarm, and periodic wakeup from Stop/Standby/Shutdown - enables time-triggered sensor sampling without MCU wake-up overhead. |
| Analog Peripherals | Two rail-to-rail comparators with programmable inputs/outputs, plus temperature sensor and VREFINT - reduces BOM count for threshold detection and self-calibration. |
| Peripheral Interconnect | Flexible DMA request mapping and timer synchronization via DMAMUX - simplifies multi-peripheral coordination (e.g., ADC-triggered DAC output). |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Battery-powered environmental monitor collecting temperature, humidity, and voltage data every 10 seconds. IC Role / Device Role / Timing Role: Main controller executing sensor polling, ADC acquisition, RTC-timed data logging, and LoRaWAN packet assembly. Use Value: Ultra-low standby current (0.3 µA typical) and hardware RTC wakeup eliminate software polling, extending 2-year battery life. |
Use Scenario: Pulse-counting interface between mechanical meter and PLC, with tamper detection and secure firmware update. IC Role / Device Role / Timing Role: Isolated pulse capture unit using EXTI + TIM1 encoder mode, with secure bootloader and TAMP peripheral for case-open detection. Use Value: Integrated tamper detection and ROP-protected Flash prevent physical and firmware-level attacks on utility infrastructure. |
| Home Appliance Control | Medical Diagnostic Tool |
Use Scenario: Motor-driven HVAC blower with speed regulation, overtemperature shutdown, and user interface feedback. IC Role / Device Role / Timing Role: Real-time motor control via TIM1 advanced PWM, ADC-based thermal monitoring, and DAC-driven LED brightness control. Use Value: Two independent 12-bit DACs enable smooth LED dimming while CPU handles communication - no external DAC required. |
Use Scenario: Portable ECG front-end with analog signal conditioning, lead-off detection, and Bluetooth LE transmission. IC Role / Device Role / Timing Role: Analog signal processor using dual comparators for lead-off detection, 12-bit ADC for waveform digitization, and LPUART for low-power BLE coexistence. Use Value: Rail-to-rail comparators with programmable hysteresis provide reliable electrode contact monitoring across varying skin impedances. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G071CBT6 | 64 KB Flash, 36 KB SRAM, additional USB 2.0 FS interface, same UFQFPN48 footprint | Requires USB host/device connectivity; larger package increases PCB area and cost | Select when USB is mandatory and board space allows LQFP48/UFQFPN48; not drop-in due to pin count and peripheral differences. |
| STM32F072CBT6 | Cortex-M0, 128 KB Flash, 16 KB SRAM, no DAC, USB 2.0 FS, higher max temp (105°C) | Lacks dual DACs and low-power UART; adds USB but removes analog flexibility | Prefer for USB-centric designs where DACs are unnecessary; requires redesign for analog signal generation paths. |
Compared with STM32G051C8U6, STM32G071CBT6 offers more RAM and USB but demands larger packaging and higher BOM cost, while STM32F072CBT6 trades analog capability for USB integration - making the G051 optimal for compact, mixed-signal, battery-constrained edge nodes.
Availability
STM32G051C8U6 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, home appliance controllers, and portable medical diagnostics requiring stable component supply, long-term lifecycle assurance, and ECOPACK2 compliance.
Supply support for STM32G051C8U6 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, designing and manufacturing microcontrollers, power management ICs, MEMS, and automotive-grade components since 1987.
The STM32G0 series targets cost-sensitive, power-constrained embedded applications - delivering Cortex-M0+ performance with enhanced security, analog integration, and ultra-low-power operation for IoT edge devices.
FAQ
What is the maximum operating temperature rating for STM32G051C8U6?
The STM32G051C8U6 is qualified for industrial temperature range: –40°C to 105°C ambient. This rating is confirmed in DS13303 Rev 4, Section 5.3.1, and applies to the UFQFPN28 package variant. No derating is required up to 105°C under specified VDD and load conditions.
Does STM32G051C8U6 support hardware encryption or secure boot?
Yes - it includes Readout Protection (ROP) Levels 1 and 2, a securable Flash area, and MPU-based memory isolation. While it lacks dedicated AES engines, secure boot is implemented via ROP-enforced bootloader execution and Flash write-protection registers per RM0444 reference manual.
Can the two DAC outputs operate simultaneously with independent triggers?
Yes - both DAC channels support independent software, timer, or external trigger activation. They share the same reference (VREF+ or VDDA), but each has dedicated output buffers and configurable alignment. Simultaneous updates are supported via DAC_SWTRIGR register writes.
Is SWD debug supported on all package variants of STM32G051C8U6?
Yes - Serial Wire Debug (SWDIO/SWCLK) is available on all STM32G051x8 variants, including the UFQFPN28 package. Pins PA13 (SWDIO) and PA14 (SWCLK) are dedicated and non-remappable, ensuring consistent debug access across form factors.
STM32G051C8U6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-UFQFN Exposed Pad
- Series:
- STM32G0
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 64MHz
- Connectivity:
- I2C, IrDA, LINbus, SPI, SmartCard, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- -
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 18K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 12b SAR; D/A 2x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G051C8U6 FAQ
1.How can I place an order for STM32G051C8U6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G051C8U6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32G051C8U6 reliable?
The price and inventory of STM32G051C8U6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G051C8U6 is usually 5 days.
3.What payment methods are accepted for STM32G051C8U6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G051C8U6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G051C8U6?
STM32G051C8U6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G051C8U6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32G051C8U6?
For technical support, including STM32G051C8U6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G051C8U6 requirements.
6.How does Aetrix verify that STM32G051C8U6 is sourced from the original manufacturer or authorized distributors?
All STM32G051C8U6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32G051C8U6 meets industry standards.
7.What is the process for return or replacement of STM32G051C8U6?
All STM32G051C8U6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G051C8U6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32G051C8U6 part is unused and in its original packaging.
Return procedure for STM32G051C8U6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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