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STMicroelectronics STM32F051C8T6TR
- Part No.:
- STM32F051C8T6TR
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
STM32F051C8T6TR.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 48LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,710
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Product details
Overview
STM32F051C8T6TR from STMicroelectronics is a 32-bit ARM Cortex-M0 microcontroller in LQFP48 package, featuring 64 KB Flash, 8 KB SRAM with hardware parity, 48 MHz max CPU frequency, one 12-bit ADC (1.0 µs conversion), one 12-bit DAC, and dual USARTs with LIN/IrDA support. It targets cost-sensitive industrial control, smart sensors, and power management modules requiring integrated analog peripherals and low-power operation.
For engineers reviewing the STM32F051C8T6TR datasheet, STM32F051C8T6TR pinout, STM32F051C8T6TR application, or STM32F051C8T6TR equivalent, key selection criteria include Flash/SRAM size, 5 V-tolerant I/O count (up to 36), ADC/DAC resolution and speed, RTC with alarm, and dual USARTs supporting ISO7816 and auto-baud detection.
Technical Context
The device integrates an ARM Cortex-M0 core with Harvard architecture, 24-bit SysTick timer, NVIC with 32 interrupt lines, and embedded reset/power control block supporting POR/PDR and programmable voltage detector (PVD). Memory subsystem includes 64 KB Flash with ECC protection and 8 KB SRAM with hardware parity checking for safety-critical operation.
Clock system comprises four independent sources: 4–32 MHz HSE crystal oscillator, 32 kHz LSE for RTC calibration, 8 MHz HSI RC with x6 PLL for system clock generation, and 40 kHz LSI for watchdog timing. Peripheral clock gating enables fine-grained power control across 11 timers, two I2C interfaces (one Fast Mode Plus), and HDMI CEC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | ARM Cortex-M0, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and 3-stage pipeline. |
| Flash Memory | 64 KB - sufficient for complex firmware with bootloader, communication stacks, and sensor fusion algorithms. |
| SRAM | 8 KB with HW parity - supports error-detecting data buffers for industrial I/O and communication protocols. |
| ADC | 12-bit, 1.0 µs conversion time, 16-channel - delivers 1 MSPS sampling for motor current sensing or battery monitoring. |
| DAC | 12-bit single channel - provides precise analog output for reference voltage generation or actuator control. |
| I/O Voltage Tolerance | Up to 36 pins 5 V tolerant - simplifies interface with legacy 5 V logic without level shifters. |
| Low-Power Modes | Sleep, Stop, Standby with RTC wakeup - achieves sub-1 µA standby current for battery-powered applications. |
Pinout & Package
LQFP48 package (7 × 7 mm, 0.5 mm pitch), RoHS-compliant and ECOPACK®2 certified, suitable for automated SMT assembly and industrial thermal cycling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VSS | Digital power supply and ground | Supports 2.0–3.6 V operation; separate VDDA required for analog accuracy. |
| VDDA, VSSA | Analog power supply and ground | Must be decoupled independently; enables stable ADC/DAC reference at up to 3.6 V. |
| PA0–PA15, PB0–PB15, PC13–PC15 | General-purpose I/O | 55 total fast I/Os; up to 36 support 5 V tolerance and external interrupt mapping. |
| NRST | Active-low reset input | Accepts 1.65–5.5 V logic; internal pull-up ensures reliable startup after power-on. |
| BOOT0 | Boot mode selection | High at reset forces system memory boot; used for factory programming or recovery. |
| SWDIO / SWCLK | Serial Wire Debug interface | Two-pin debug port enabling full JTAG/SWD functionality with minimal PCB footprint. |
Key Features
| Feature | Design Value |
|---|---|
| Capacitive Sensing Controller (TSC) | 18-channel support for touchkey/linear/rotary sensors - eliminates external touch ICs in HMI designs. |
| Advanced-Control Timer (TIM1) | 16-bit, 7-channel PWM with deadtime insertion and emergency stop - enables three-phase motor gate drive without external logic. |
| USART1 with ISO7816 & IrDA | Full-duplex smartcard interface + infrared modulation - supports secure access devices and remote control integration. |
| RTC with Calendar & Alarm | Hardware calendar, alarm, and periodic wakeup from Stop/Standby - maintains timekeeping during ultra-low-power sleep. |
| HDMI CEC Interface | Hardware CEC protocol engine - allows MCU to act as CEC controller in consumer audio/video systems. |
Applications
| Industrial Motor Control | Smart Sensor Node |
|---|---|
Use Scenario: Brushless DC motor commutation with current feedback and thermal monitoring. IC Role / Device Role / Timing Role: Main controller executing FOC algorithm, managing PWM outputs via TIM1, sampling ADC channels at 1 MSPS, and regulating power stages. Use Value: Integrated deadtime generation and emergency stop prevent shoot-through; 12-bit DAC sets precise reference voltages for analog comparators. | Use Scenario: Battery-powered environmental sensor node measuring temperature, humidity, and ambient light. IC Role / Device Role / Timing Role: System-on-chip host managing sensor I2C reads, processing data, logging to Flash, and transmitting via USART/LIN to gateway. Use Value: Sub-1 µA Standby current with RTC alarm extends battery life >5 years; capacitive sensing enables on-board touch configuration. |
| Power Supply Monitoring Unit | Secure Access Terminal |
Use Scenario: AC/DC adapter or UPS monitoring voltage, current, and temperature with fault logging. IC Role / Device Role / Timing Role: Real-time supervisor using ADC inputs, DAC for analog output scaling, and dual USARTs for RS-485 and USB-to-UART bridge. Use Value: Programmable voltage detector (PVD) triggers immediate shutdown on overvoltage; 8 KB SRAM with parity ensures integrity of fault logs. | Use Scenario: Physical access card reader with contactless (RFID) and contact (ISO7816) interfaces. IC Role / Device Role / Timing Role: Dual-interface secure controller handling ISO7816 T=0/T=1 protocols, IrDA remote pairing, and encrypted data exchange. Use Value: Hardware USART1 with ISO7816 timing compliance eliminates bit-banging overhead; 96-bit unique ID enables device binding and anti-cloning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F030F4P6 | 32 KB Flash, 4 KB SRAM, no DAC, no capacitive sensing, LQFP48 | Lower peripheral integration; lacks analog output and touch capability | Select when cost is critical and DAC/touch features are unnecessary. |
| STM32F070F6P6 | 32 KB Flash, 6 KB SRAM, no ADC, no DAC, no TSC, LQFP48 | Targeted for digital-only control; missing all analog peripherals | Choose for simple GPIO/UART-based logic replacement where analog functions are handled externally. |
Compared with STM32F030F4P6 and STM32F070F6P6, the STM32F051C8T6TR provides higher Flash/SRAM, full analog subsystem (ADC+DAC+COMP), and capacitive sensing-making it uniquely suited for mixed-signal edge nodes where integration reduces BOM count and PCB area.
Availability
STM32F051C8T6TR is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, power supply monitoring units, and secure access terminals requiring stable component supply across multi-year production cycles.
Supply support for STM32F051C8T6TR 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 automotive-grade components since 1987.
The STM32F0 series targets cost-sensitive, low-power embedded applications requiring ARM Cortex-M0 performance with rich analog integration, targeting industrial automation, appliance control, and IoT edge devices.
FAQ
What is the maximum operating frequency and supported voltage range?
The STM32F051C8T6TR operates at up to 48 MHz using its internal 8 MHz HSI oscillator with PLL multiplication or external crystal. Its digital supply (VDD) accepts 2.0–3.6 V, while analog supply (VDDA) ranges from VDD to 3.6 V. This dual-supply architecture ensures ADC/DAC accuracy across the full operating voltage window.
Does this MCU support hardware-based capacitive touch sensing?
Yes - it integrates a dedicated Touch Sensing Controller (TSC) supporting up to 18 capacitive sensing channels. The TSC handles charge transfer measurement, noise filtering, and baseline tracking autonomously, enabling robust touchkey, linear slider, and rotary encoder implementations without CPU intervention.
How many communication interfaces are available and what are their key capabilities?
The device offers two I2C interfaces (one Fast Mode Plus at 1 Mbit/s), two USARTs (one with ISO7816, LIN, IrDA, and auto-baud), two SPIs (18 Mbit/s, one multiplexed with I2S), and an HDMI CEC interface. All support wakeup from low-power modes, enabling always-on communication readiness with minimal energy use.
What debug and programming interfaces does the STM32F051C8T6TR provide?
It supports Serial Wire Debug (SWD) via SWDIO and SWCLK pins - a 2-pin interface compatible with ST-LINK/V2 and other ARM-compliant debuggers. Programming is performed through SWD or system memory bootloader accessed via USART1, supporting field firmware updates without dedicated debug hardware.
STM32F051C8T6TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 48-LQFP
- Series:
- STM32F0
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 39
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 8K x 8
- Voltage - Supply (Vcc/Vdd):
- 2V ~ 3.6V
- Data Converters:
- A/D 13x12b; D/A 1x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32F051C8T6TR FAQ
1.How can I place an order for STM32F051C8T6TR through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F051C8T6TR 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 STM32F051C8T6TR reliable?
The price and inventory of STM32F051C8T6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F051C8T6TR is usually 5 days.
3.What payment methods are accepted for STM32F051C8T6TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F051C8T6TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F051C8T6TR?
STM32F051C8T6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F051C8T6TR 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 STM32F051C8T6TR?
For technical support, including STM32F051C8T6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F051C8T6TR requirements.
6.How does Aetrix verify that STM32F051C8T6TR is sourced from the original manufacturer or authorized distributors?
All STM32F051C8T6TR 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 STM32F051C8T6TR meets industry standards.
7.What is the process for return or replacement of STM32F051C8T6TR?
All STM32F051C8T6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F051C8T6TR, 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 STM32F051C8T6TR part is unused and in its original packaging.
Return procedure for STM32F051C8T6TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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