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STMicroelectronics STM32G041C8T6
- Part No.:
- STM32G041C8T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32G041C8T6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:8,619
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Product details
Overview
STM32G041C8T6 from STMicroelectronics is an Arm® Cortex®-M0+ 32-bit microcontroller with 64 KB Flash, 8 KB SRAM, 12-bit ADC (0.4 µs conversion), dual USARTs supporting LIN/IrDA/ISO7816, and hardware AES-128/256 encryption - deployed in smart metering front-ends, industrial sensor nodes, and secure IoT edge controllers.
For engineers reviewing the STM32G041C8T6 datasheet, STM32G041C8T6 pinout, STM32G041C8T6 application, or STM32G041C8T6 equivalent, key selection criteria include its 64 MHz max CPU frequency, 5 V-tolerant GPIOs, integrated RNG and securable flash area, low-power Stop/Standby modes with RTC wakeup, and UFQFPN48 package compatibility with space-constrained PCB layouts.
Technical Context
The STM32G041C8T6 integrates an Arm Cortex-M0+ core with MPU, a 128 MHz-capable advanced-control timer (TIM1), and dual I2C interfaces with Fast-mode Plus (1 Mbit/s) and SMBus/PMBus support - enabling precise motor control and robust system-level communication. Its clock system combines 4–48 MHz HSE, 32 kHz LSE with calibration, and ±1% internal 16 MHz RC with PLL.
It features a 5-channel DMA controller with flexible peripheral mapping, hardware oversampling up to 16-bit resolution on the 12-bit ADC, and true random-number generation for cryptographic key derivation - all operating across −40°C to 125°C with 1.7–3.6 V supply range and HW parity-checked SRAM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 64 MHz max - delivers deterministic real-time control with low interrupt latency for time-critical firmware tasks. |
| Flash / SRAM | 64 KB flash with securable area + 8 KB SRAM with hardware parity - enables secure firmware storage and reliable runtime data handling in safety-aware applications. |
| ADC | 12-bit, 0.4 µs conversion, up to 16 external channels - supports high-speed analog sensing (e.g., current/voltage monitoring) without CPU overhead. |
| Timers | 11 timers including one 128 MHz-capable advanced-control timer (TIM1), two low-power timers (LPTIM1/2), and SysTick - provides motor PWM, precision timing, and ultra-low-power periodic wakeups. |
| Crypto | AES-128/256 hardware accelerator + True RNG - accelerates secure boot, OTA updates, and TLS handshake operations without software bottlenecks. |
| I/O Voltage | Up to 44 fast I/Os, multiple 5 V-tolerant - simplifies interface with legacy peripherals and industrial logic without level-shifting components. |
| Low-Power Modes | Sleep, Stop, Standby, Shutdown - achieves sub-µA shutdown current and RTC wakeup from Stop mode, critical for battery-powered endpoints. |
Pinout & Package
STM32G041C8T6 is housed in a 48-pin Ultra-Fine Pitch Quad Flat No-lead (UFQFPN48) package, 7 × 7 mm, 0.5 mm pitch, with exposed thermal pad - optimized for compact industrial PCBs requiring thermal efficiency and automated assembly compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VSS, VSSA | Power supply and ground | Dedicated analog/digital domains ensure clean ADC reference and noise-immune digital operation; VDDA must be ≥ VDD for valid analog performance. |
| PA0–PA15, PB0–PB15, PC13–PC15, PD0–PD2 | General-purpose I/O | 44 total GPIOs, many 5 V-tolerant and mappable to EXTI - enable direct connection to sensors, buttons, LEDs, and industrial buses without external buffers. |
| NRST | Active-low reset input | Asynchronous reset with programmable pull-up; accepts 1.65–5.5 V logic - compatible with external supervisory ICs and manual reset circuits. |
| BOOT0 | Boot mode selection | High at power-on selects system memory bootloader; tied low for main Flash execution - enables field firmware recovery via UART without debugger. |
| SWDIO / SWCLK | Serial Wire Debug interface | 2-pin debug port supporting full SWD protocol - allows non-intrusive programming, real-time tracing, and breakpoint debugging during development and production test. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Boot & Flash Protection | Readout protection (RDP) levels + securable flash area - prevents unauthorized firmware extraction and enforces trusted execution environment boundaries. |
| Hardware RNG | True entropy source compliant with NIST SP800-90B - eliminates software-based PRNG weaknesses in cryptographic key generation and challenge-response protocols. |
| Calibrated RTC | Calendar RTC with alarm, tamper detection, and backup registers powered by VBAT - maintains accurate timekeeping across power cycles in energy-harvesting or battery-backed systems. |
| Flexible Clock System | 4–48 MHz HSE + 32 kHz LSE with auto-calibration + ±1% HSI16 RC - reduces BOM cost by minimizing external crystal count while maintaining timing accuracy for USB-free designs. |
| Peripheral Multiplexing | Full remapping of USART/I2C/SPI functions across GPIO ports - enables optimal PCB routing and avoids signal congestion in dense layouts. |
Applications
| Smart Energy Metering | Industrial Sensor Node |
|---|---|
Use Scenario: Bidirectional energy measurement with tamper detection and secure data logging in DIN-rail mounted meters. IC Role / Device Role / Timing Role: Main MCU executing metrology algorithms, managing isolated RS-485/PLC communication, and enforcing secure firmware updates via AES-encrypted OTA packets. Use Value: Hardware RNG and securable flash prevent cloning and firmware rollback; 12-bit ADC with oversampling achieves Class 0.5 accuracy per IEC 62053-21. |
Use Scenario: Wireless vibration/temperature node in predictive maintenance systems, operating on coin-cell batteries for >5 years. IC Role / Device Role / Timing Role: Low-power sensor aggregator with LPTIM-driven periodic sampling, RTC-triggered BLE beacon transmission, and VBAT-backed event logging. Use Value: Sub-1 µA shutdown current and RTC wakeup from Stop mode extend battery life; 5 V-tolerant I/Os interface directly with legacy analog sensors. |
| Secure IoT Edge Controller | Motor Control Interface Module |
Use Scenario: Local gateway for BLE/Wi-Fi-connected devices performing local policy enforcement and encrypted cloud offload. IC Role / Device Role / Timing Role: Trusted execution anchor running lightweight TLS stack, validating device identity via hardware-accelerated AES and RNG-derived session keys. Use Value: AES-256 hardware engine processes TLS record encryption at line rate without CPU saturation; 96-bit unique ID enables device attestation. |
Use Scenario: Compact BLDC motor driver board with Hall-effect feedback, current sensing, and gate driver interface. IC Role / Device Role / Timing Role: Real-time motion controller using TIM1's complementary PWM outputs, dead-time insertion, and fault protection inputs. Use Value: 128 MHz timer clock enables 20 ns PWM resolution for smooth torque control; fast ADC sampling synchronizes current measurement with switching edges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G031F8P6 | 32 KB Flash, no AES/RNG, same Cortex-M0+ core and peripherals - lacks crypto acceleration and secure boot features. | Suitable for cost-sensitive, non-security-critical control tasks (e.g., basic LED drivers, fan controllers). | Select when security compliance (e.g., PSA Level 1) is not required and Flash size suffices for firmware footprint. |
| STM32G071CBT6 | 128 KB Flash, 32 KB SRAM, additional USB 2.0 FS interface, same crypto suite - larger memory and connectivity at higher pin count (LQFP48). | Used where USB device functionality (e.g., firmware update via CDC ACM) or larger code base (RTOS + middleware) is needed. | Choose when future-proofing for feature expansion or USB integration outweighs cost and board space constraints. |
Compared with STM32G031F8P6, the STM32G041C8T6 adds essential security primitives for certified IoT deployments; versus STM32G071CBT6, it trades USB and memory headroom for lower BOM cost and smaller UFQFPN48 footprint - ideal for space- and security-constrained edge nodes.
Availability
STM32G041C8T6 is available at Aetrix Electronics and suitable for smart metering, industrial sensor nodes, secure IoT edge controllers, and motor interface modules requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for STM32G041C8T6 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, security-aware embedded applications - delivering Cortex-M0+ performance with hardware crypto, low-power autonomy, and industrial-grade reliability in compact packages.
FAQ
What is the maximum operating temperature for STM32G041C8T6?
The STM32G041C8T6 is qualified for operation from −40°C to +125°C ambient temperature, meeting industrial and extended-temperature requirements. This rating applies to the full feature set including ADC accuracy, timer stability, and Flash write endurance - verified per ST's DS12993 Rev 4 production data.
Does STM32G041C8T6 support USB connectivity?
No, the STM32G041C8T6 does not integrate a USB peripheral. It offers two USARTs (one with ISO7816/LIN/IrDA), two I2C, two SPI, and LPUART - but lacks USB PHY or USB controller logic. For USB-enabled variants, consider STM32G071 or STM32G081 series.
How is the securable flash area configured?
The securable flash area is defined via option bytes and enforced by the embedded flash controller. When enabled, it restricts read/write access to designated sectors even under debug (SWD) - preventing unauthorized firmware inspection or modification. Configuration requires ST's STM32CubeProgrammer and is irreversible without mass erase.
Can STM32G041C8T6 drive 5 V logic directly?
Yes - up to 44 GPIOs are 5 V-tolerant when configured as inputs, meaning they accept 0–5.5 V signals while powered from 1.7–3.6 V VDD. However, output voltage is limited to VDD (max 3.6 V); external level shifters are required for driving 5 V logic high-side loads.
STM32G041C8T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- 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:
- 44
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.7V ~ 3.6V
- Data Converters:
- A/D 19x12b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G041C8T6 FAQ
1.How can I place an order for STM32G041C8T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G041C8T6 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 STM32G041C8T6 reliable?
The price and inventory of STM32G041C8T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G041C8T6 is usually 5 days.
3.What payment methods are accepted for STM32G041C8T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G041C8T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G041C8T6?
STM32G041C8T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G041C8T6 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 STM32G041C8T6?
For technical support, including STM32G041C8T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G041C8T6 requirements.
6.How does Aetrix verify that STM32G041C8T6 is sourced from the original manufacturer or authorized distributors?
All STM32G041C8T6 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 STM32G041C8T6 meets industry standards.
7.What is the process for return or replacement of STM32G041C8T6?
All STM32G041C8T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G041C8T6, 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 STM32G041C8T6 part is unused and in its original packaging.
Return procedure for STM32G041C8T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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