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STMicroelectronics STM32G050K8T6
- Part No.:
- STM32G050K8T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
STM32G050K8T6.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,530
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Product details
Overview
STM32G050K8T6 from STMicroelectronics is an Arm® Cortex®-M0+ 32-bit microcontroller with 64 KB Flash, 18 KB SRAM, 2× USART, 12-bit ADC (0.4 µs conversion), and operating voltage range of 2.0–3.6 V. It integrates RTC with alarm, 14 timers (including two 128 MHz-capable), and dual I²C/UART/SPI interfaces - deployed in industrial sensor nodes requiring low-power operation and secure firmware execution.
For engineers reviewing the STM32G050K8T6 datasheet, STM32G050K8T6 pinout, STM32G050K8T6 application, or STM32G050K8T6 equivalent, key selection criteria include Flash/RAM size, 5 V-tolerant GPIO count (up to 44), low-power mode wakeup time (≤4.5 µs from Stop), ADC resolution and oversampling capability, and SWD debug interface support.
Technical Context
The STM32G050K8T6 implements a single-core Arm Cortex-M0+ CPU with Memory Protection Unit (MPU), supporting Thumb-2 instruction set and up to 64 MHz operation. Its memory subsystem includes 64 KB of flash with readout protection and 18 KB SRAM (16 KB with hardware parity).
Clock architecture combines multiple sources: 4–48 MHz HSE crystal oscillator, 32 kHz LSE with calibration, 16 MHz HSI RC with PLL, and 32 kHz LSI RC (±5%). Power management enables Sleep, Stop (two variants), and Standby modes with VBAT-backed RTC and backup registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M0+, 64 MHz max - delivers deterministic real-time control with MPU for task isolation in multi-function firmware. |
| Flash Memory | 64 KB with protection - sufficient for bootloader + application + OTA update partitioning in field-upgradable devices. |
| SRAM | 18 KB (16 KB with HW parity) - supports RTOS stacks, communication buffers, and sensor data preprocessing without external RAM. |
| ADC | 12-bit, 0.4 µs conversion, up to 16 channels - enables high-speed analog monitoring (e.g., motor current, battery voltage) with hardware oversampling to 16-bit effective resolution. |
| Timers | 14 timers including two 128 MHz-capable 16-bit units - suitable for precise PWM generation in BLDC motor control or LED dimming. |
| I/O Pins | Up to 44 fast I/Os, multiple 5 V-tolerant - simplifies interface to legacy 5 V peripherals without level shifters in industrial I/O modules. |
| Communication | 2× I²C (Fast-mode Plus), 2× USART (LIN/IrDA/ISO7816), 2× SPI (32 Mbit/s) - supports multi-protocol connectivity in smart metering and building automation gateways. |
Pinout & Package
LQFP32 (7 × 7 mm) package with ECOPACK2 compliance and 32-pin surface-mount footprint optimized for compact PCB layouts in space-constrained applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Power supply and ground | Dual power pins ensure stable core/regulator operation; decoupling required per datasheet layout guidelines. |
| PA0–PA15, PB0–PB1 | General-purpose I/O | 44 total GPIOs; PA0–PA15 and PB0–PB1 mapped on LQFP32 - support EXTI, AF functions, and 5 V tolerance on selected pins. |
| NRST | Active-low reset input | Asynchronous reset with internal pull-up; accepts 1.65–5.5 V logic - compatible with external supervisory circuits. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port enabling full programming, breakpoint, and real-time trace - eliminates need for JTAG header space. |
| BOOT0 | Boot mode selection | High at reset forces system memory boot (for DFU); controlled via external pull-up/down - critical for field firmware recovery. |
Key Features
| Feature | Design Value |
|---|---|
| Low-power Stop mode | Consumes ≤0.34 µA with RTC running - extends battery life in wireless sensor transmitters over multi-year deployments. |
| CRC calculation unit | Hardware-accelerated CRC-32 - ensures fast integrity verification of firmware images and communication payloads without CPU overhead. |
| Temperature sensor | Calibrated internal sensor (±1.5°C accuracy) - enables thermal derating and ambient compensation in enclosed industrial enclosures. |
| VBAT monitoring | Dedicated ADC channel for VBAT battery voltage - allows autonomous low-battery detection and graceful shutdown in backup power systems. |
| DMAMUX controller | Flexible DMA request routing - enables concurrent peripheral-to-memory transfers (e.g., ADC → memory, UART → memory) without CPU intervention. |
Applications
| Industrial Sensor Node | Smart Meter Interface |
|---|---|
Use Scenario: Battery-powered temperature/humidity node transmitting data via LoRaWAN every 15 minutes. IC Role / Device Role / Timing Role: Main MCU executing sensor acquisition, AES-128 encryption, and LoRa modulation timing via TIM1 and USART. Use Value: Ultra-low Stop-mode current (0.34 µA) and fast 4.5 µs wakeup enable >10-year battery life with CR2032 cell. | Use Scenario: DIN-rail mounted electricity meter with RS-485 and pulse output interfaces. IC Role / Device Role / Timing Role: System controller managing metrology IC SPI reads, tariff switching, and IR/RS-485 communication stacks. Use Value: Dual USART with LIN/IrDA support enables optical port diagnostics; 5 V-tolerant GPIOs simplify connection to legacy pulse counters. |
| Motor Control Module | IoT Edge Gateway |
Use Scenario: Compact fan/pump driver using 6-step commutation and current sensing. IC Role / Device Role / Timing Role: Real-time motor controller using TIM1 advanced timer for synchronized PWM and ADC trigger alignment. Use Value: Two 128 MHz-capable timers provide sub-microsecond PWM dead-time control and precise current sampling synchronization. | Use Scenario: Protocol-agnostic gateway aggregating Modbus RTU, BACnet MS/TP, and BLE sensor data. IC Role / Device Role / Timing Role: Central protocol translator with dual UARTs handling serial fieldbus and BLE HCI, plus SPI for flash storage. Use Value: Two independent USARTs with ISO7816/LIN/IrDA features allow simultaneous fieldbus and wireless stack operation without software arbitration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G030F6P6 | 32 KB Flash, 8 KB SRAM, no VBAT RTC, TSSOP20 package | Lacks calendar RTC and backup register retention - unsuitable for time-stamped logging or battery-backed clocking. | Select when cost sensitivity outweighs RTC and memory requirements; verify pin compatibility for TSSOP20 layout reuse. |
| STM32G070KB6 | 128 KB Flash, 36 KB SRAM, USB 2.0 FS, LQFP32 | Includes USB PHY and larger memory - adds host/device capability but increases BOM cost and power in non-USB use cases. | Choose when USB device functionality (e.g., firmware update via CDC ACM) or future feature expansion is required. |
Compared with STM32G030F6P6, the STM32G050K8T6 provides double Flash/SRAM and integrated RTC; versus STM32G070KB6, it trades USB for lower static current and cost - making it optimal for battery-powered, time-aware edge nodes without host connectivity needs.
Availability
STM32G050K8T6 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart meter interfaces, motor control modules, and IoT edge gateways requiring stable component supply across multi-year production cycles.
Supply support for STM32G050K8T6 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 ICs, sensors, and analog products for industrial, automotive, and consumer markets.
The STM32G0 series targets cost-sensitive, low-power embedded applications with enhanced security features and streamlined development - specifically engineered for smart home, industrial IoT, and appliance control where code density and energy efficiency are critical.
FAQ
What is the maximum operating frequency and corresponding supply voltage range?
The STM32G050K8T6 operates at up to 64 MHz across its full 2.0–3.6 V supply range. At 2.0 V, maximum frequency is reduced to 24 MHz per electrical characteristics (Section 5.3.1); full 64 MHz performance requires ≥2.7 V supply, verified by internal voltage regulator behavior and flash wait-state configuration.
Does this MCU support hardware cryptographic acceleration?
No, the STM32G050K8T6 does not include dedicated cryptographic accelerators (e.g., AES, SHA, PKA). It relies on software libraries for encryption; however, its memory protection unit (MPU) and readout protection (RDP) Level 1 provide foundational firmware security against unauthorized access and tampering.
How many 5 V-tolerant I/O pins are available on the LQFP32 package?
The LQFP32 variant (STM32G050K8T6) has 23 5 V-tolerant I/O pins, including all pins in Port A (PA0–PA15), Port B (PB0–PB1), and specific alternate function pins such as PB6 (I²C1_SCL) and PB7 (I²C1_SDA), as confirmed in Table 12 (Pin assignment and description) of DS13514 Rev 3.
Can the internal 32 kHz RC oscillator be used for RTC calibration?
Yes, the internal 32 kHz RC oscillator (LSI) can drive the RTC in absence of an external 32.768 kHz crystal; however, its ±5% accuracy limits timekeeping precision. For calibrated RTC operation, the 32 kHz crystal oscillator (LSE) with factory-trimmed calibration is recommended - enabling ±1 ppm accuracy after calibration per Section 3.9 and Table 37.
STM32G050K8T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 32-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:
- -
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 18K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G050K8T6 FAQ
1.How can I place an order for STM32G050K8T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G050K8T6 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 STM32G050K8T6 reliable?
The price and inventory of STM32G050K8T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G050K8T6 is usually 5 days.
3.What payment methods are accepted for STM32G050K8T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G050K8T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G050K8T6?
STM32G050K8T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G050K8T6 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 STM32G050K8T6?
For technical support, including STM32G050K8T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G050K8T6 requirements.
6.How does Aetrix verify that STM32G050K8T6 is sourced from the original manufacturer or authorized distributors?
All STM32G050K8T6 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 STM32G050K8T6 meets industry standards.
7.What is the process for return or replacement of STM32G050K8T6?
All STM32G050K8T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G050K8T6, 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 STM32G050K8T6 part is unused and in its original packaging.
Return procedure for STM32G050K8T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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