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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersSTM32F101C6T6A
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STM32F101C6T6A - STMicroelectronics

Manufacturer Part Number
STM32F101C6T6A
Manufacturer
STMicroelectronics
Allelco Part Number
32D-STM32F101C6T6A
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,730 pcs available, New & Original
Parts Description
IC MCU 32BIT 32KB FLASH 48LQFP
Package
48-LQFP (7x7)
Data sheet
STM32F101C6T6A.pdf

PCN Packaging

2.73KHz.pdf

PCN Assembly/Origin

STM8/STM32 10/Mar/2020.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 14730
  • Unit Price: $12.64
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $12.64 $12.64
10+ $12.12 $121.20
30+ $11.21 $336.30
100+ $10.41 $1,041.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

STM32F101C6T6A Tech Specifications
STMicroelectronics - STM32F101C6T6A technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - STM32F101C6T6A

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Supplier Device Package 48-LQFP (7x7)
Speed 36MHz
Series STM32F1
RAM Size 6K x 8
Program Memory Type FLASH
Program Memory Size 32KB (32K x 8)
Peripherals DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT
Package / Case 48-LQFP
Package Tray
Product Attribute Attribute Value
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Number of I/O 37
Mounting Type Surface Mount
EEPROM Size -
Data Converters A/D 10x12b
Core Size 32-Bit Single-Core
Core Processor ARM® Cortex®-M3
Connectivity I²C, IrDA, LINbus, SPI, UART/USART
Base Product Number STM32F101

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN 3A991A2
HTSUS 8542.31.0001

Parts Introduction

STM32F101C6T6A Image
STM32F101C6T6A (1)

Manufacturer Part Number

STM32F101C6T6A

Manufacturer

stmicroelectronics

Introduction

The STM32F101C6T6A is a robust ARM Cortex-M3 based microcontroller, designed for high-performance and low-power applications, particularly in the realm of embedded systems.

Product Features and Performance

Core Processor: ARM Cortex-M3

Core Size: 32-Bit Single-Core

Speed: 36MHz

Connectivity: I2C, IrDA, LINbus, SPI, UART/USART

Peripherals: DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT

Program Memory Size: 32KB FLASH

RAM Size: 6KB

Data Converters: A/D 10x12b

Oscillator Type: Internal

Operating Temperature Range: -40°C to 85°C

Product Advantages

High performance ARM Cortex-M3 core

Comprehensive peripheral set supporting complex functionalities

Broad connectivity options for versatile interfacing

Efficient power management features

STM32F101C6T6A Image
STM32F101C6T6A (2)

Key Technical Parameters

Operating Voltage: 2V to 3.6V

Number of I/O: 37

Memory: 32KB FLASH, 6KB RAM

A/D Converters Resolution: 12 bits

Quality and Safety Features

Enhanced power management with PDR, POR, PVD

Temperature Sensor and Watchdog Timer for safety and reliability

Compatibility

Mounted in a 48-LQFP package

Broad support for development tools and software from stmicroelectronics and third parties

Application Areas

Industrial automation

Consumer electronics

Automotive systems

IoT applications

Product Lifecycle

Product Status: Active

Continuously supported with updates and future upgrade options

Several Key Reasons to Choose This Product

Robust performance with ARM Cortex-M3 processor at a frequency of 36MHz

Wide range of connectivity and interfacing options for flexible application designs

Extensive support and longevity guaranteed by stmicroelectronics

High quality and reliability under diverse operating conditions

Cost-efficient solutions for advanced embedded system development

Frequently Asked Questions(FAQ)

How does the STM32F101C6T6A compare to other STM32F1 series microcontrollers in terms of program memory and peripheral integration for low-power embedded applications?
The STM32F101C6T6A offers 32KB of FLASH program memory and 6KB of RAM, which positions it as a cost-effective option for mid-range firmware complexity compared to higher-end STM32F1 variants like the STM32F103 with up to 128KB FLASH. While it lacks advanced peripherals such as USB or CAN, it includes essential interfaces including I2C, SPI, UART/USART, and LINbus, making it suitable for industrial sensor nodes or simple motor control where moderate processing and connectivity are required. Its voltage range of 2V to 3.6V supports battery-powered systems, though its lack of deep sleep current optimization places it behind ultra-low-power STM32L series in energy efficiency.
What considerations should be made when selecting between the STM32F101C6T6A and an alternative Cortex-M0 device for a 32-bit application requiring deterministic timing?
Although both the STM32F101C6T6A and many Cortex-M0 devices operate at similar clock speeds, the ARM Cortex-M3 core in the STM32F101C6T6A provides significant architectural advantages, including a full 32-bit instruction set, hardware division support, and more efficient interrupt handling due to its nested vectored interrupt controller (NVIC). These features reduce software overhead and improve real-time performance, making the STM32F101C6T6A preferable for applications demanding deterministic response times, even if memory footprint is constrained.
Can the STM32F101C6T6A reliably operate in automotive environments where temperature fluctuations and electromagnetic interference are concerns?
The STM32F101C6T6A is rated for an operating temperature range of -40°C to 85°C, which exceeds standard industrial requirements but falls short of AEC-Q100 Grade 1 qualification needed for most automotive systems. While it can function in mild automotive edge cases, designers must implement additional shielding, robust power regulation, and software watchdog mechanisms to mitigate EMI and thermal stress. For production automotive use, STMicroelectronics’ qualified automotive-grade variants like the STM32F101xC should be considered instead.
How does the internal oscillator accuracy of the STM32F101C6T6A impact time-critical applications such as data logging or communication protocols?
The STM32F101C6T6A relies on an internal 8 MHz RC oscillator, which typically has ±1% to ±5% frequency tolerance depending on calibration and temperature drift. This variability can cause timing errors in UART baud rates or I2C clock stretching, especially over temperature. While acceptable for non-synchronous communication at lower speeds, precise timing applications may require external crystals or trimming. Users should account for worst-case drift when calculating delays or scheduling tasks in firmware.
What design precautions are necessary when using the STM32F101C6T6A in systems powered by unstable or noisy supply rails?
Given its voltage supply range of 2V to 3.6V, the STM32F101C6T6A is sensitive to brownout conditions. The device includes Power-on Reset (POR) and Programmable Voltage Detection (PVD), but these only trigger at predefined thresholds. To ensure reliable startup and operation under noisy conditions, designers should include bulk capacitance near the VDD pin, use ferrite beads or linear regulators, and verify that transient dips do not exceed the minimum VDD during switching events—particularly when driving capacitive loads or enabling high-speed peripherals.
Is the STM32F101C6T6A suitable for implementing secure bootloader functionality without external memory protection units?
The STM32F101C6T6A lacks hardware security features such as TrustZone, flash readout protection, or cryptographic accelerators found in later STM32 families. While a basic software-based bootloader can be implemented using FLASH write/erase routines, it offers no inherent tamper resistance or code confidentiality. Secure boot would require additional layers of obfuscation, checksum validation, and possibly external secure elements—making this part unsuitable for applications requiring certified security compliance without significant mitigation efforts.
What are the implications of the STM32F101C6T6A’s limited number of I/O pins when designing compact PCB layouts?
With only 37 available GPIOs across the 48-pin LQFP package, the STM32F101C6T6A demands careful signal allocation. Designers must prioritize critical functions such as debug interfaces (SWD), reset, and essential peripherals, often leading to multiplexing or shared buses. Careful use of alternate function remapping and attention to pin sharing in datasheets is necessary to avoid conflicts. In dense designs, this limitation may necessitate breakout boards or careful layer stack planning to maintain routing integrity.
How does the STM32F101C6T6A’s DMA capability enhance system responsiveness in multi-peripheral scenarios?
The STM32F101C6T6A includes DMA channels that allow data transfers between peripherals (e.g., ADC to memory) or memory-to-memory without CPU intervention. This reduces latency in continuous sampling applications like ADC logging or UART FIFO handling. However, only a subset of peripherals supports DMA, and channel contention may arise under heavy load. Efficient use requires careful mapping of DMA requests to avoid bottlenecks, particularly when combining SPI transmission with ADC conversion cycles.
What trade-offs exist between using the STM32F101C6T6A versus a larger memory variant when future-proofing firmware updates?
Choosing the STM32F101C6T6A with 32KB FLASH limits firmware size to approximately 30–31 KB after bootloaders and libraries are included. Any feature expansion, driver updates, or protocol additions risk exceeding capacity. While this encourages lean coding practices, it increases rework risk during revisions. Designers should reserve ~10% headroom for updates and consider whether modular firmware architecture justifies selecting a larger memory option like the STM32F101C8T6, despite increased BOM cost.
Does the STM32F101C6T6A support dynamic clock scaling to optimize power consumption during idle periods?
Yes, the STM32F101C6T6A supports multiple clock sources and can switch between HSI, HSE, and PLL configurations dynamically. It also enters sleep, stop, and standby modes, reducing current draw significantly in inactive states. However, transitioning between clock domains introduces latency and requires careful management of peripheral timing. For best results, clocks should be switched before entering low-power mode, and wake-up sequences must account for oscillator stabilization delays.
How reliable is the on-chip temperature sensor integrated into the STM32F101C6T6A for environmental monitoring applications?
The STM32F101C6T6A embeds a 12-bit ADC with a dedicated temperature channel, providing coarse thermal readings. Calibration data is typically stored in factory-programmed memory, but accuracy is limited to ±3°C under typical conditions. While useful for detecting overtemperature conditions or basic thermal profiling, it is not calibrated for precision measurements. External sensors with higher resolution and calibration are recommended for critical thermal management systems.
What debugging and programming interfaces are supported by the STM32F101C6T6A, and what constraints apply during development?
The STM32F101C6T6A supports SWD (Serial Wire Debug) and JTAG interfaces for in-circuit programming and debugging. Only two pins (SWDIO and SWCLK) are required, saving board space. However, once flash protection bits are enabled, readback is disabled, preventing unauthorized firmware extraction. Developers should finalize debugging early to avoid lockout and ensure adequate access to reset and boot mode selection pins for recovery scenarios.
Can the STM32F101C6T6A drive high-current loads directly from GPIO pins without external buffering?
No. The STM32F101C6T6A GPIOs are designed for logic-level signaling with maximum sink/source current of 25 mA per pin and 80 mA total across all pins. Driving LEDs, relays, or motors directly may violate specifications or degrade reliability. External drivers such as MOSFETs, transistors, or dedicated ICs should be used for loads exceeding 10 mA or inductive components requiring flyback diodes.
What impact does the Moisture Sensitivity Level (MSL) 3 rating have on storage and assembly of STM32F101C6T6A devices?
MSL 3 indicates the STM32F101C6T6A can withstand up to 168 hours above 30°C / 60% RH before requiring baking. This aligns with standard lead-free reflow profiles but demands careful inventory management in humid environments. Manufacturers and assemblers must track floor life and follow JEDEC J-STD-033 guidelines to prevent popcorn cracking during soldering, particularly in high-volume production settings.
How does the absence of ECCN classification affect export controls involving the STM32F101C6T6A?
The ECCN (Export Control Classification Number) for the STM32F101C6T6A is listed as 3A991A2, indicating it falls under U.S. export regulations for certain types of general-purpose microprocessors. While not restricted to military use, exporters must still comply with licensing requirements when shipping to embargoed regions or end-users subject to sanctions. Importers should verify local regulations, as interpretations may vary by jurisdiction.
What role does the Watchdog Timer (WDT) play in enhancing robustness of systems based on the STM32F101C6T6A?
The STM32F101C6T6A includes an Independent Watchdog Timer (IWDG) and a Window Watchdog (WWDG), both critical for detecting software hangs. The IWDG runs off an internal RC oscillator and cannot be disabled accidentally, making it ideal for long-term reliability in unattended devices. Proper configuration ensures periodic resets if firmware stalls, improving fault tolerance in field-deployed equipment.
Are there any known errata or silicon limitations affecting stability when using the STM32F101C6T6A at its maximum clock speed?
STMicroelectronics publishes detailed errata documents covering the STM32F101 series, which include issues such as USB-related bugs (not applicable here), ADC linearity anomalies at high frequencies, and potential flash corruption during simultaneous read/write operations. Operating at 36 MHz is generally stable, but users must consult the latest revision of the STM32F101xx reference manual and errata sheet for their specific batch, especially regarding power consumption spikes or timing-sensitive peripheral behavior.
Why might a designer choose the Tray packaging for the STM32F101C6T6A despite availability in tape-and-reel formats?
Tray packaging is common for prototyping, small-batch development, or educational use due to easier manual handling and visibility of individual parts. While less economical for high-volume manufacturing, trays eliminate the need for pick-and-place equipment during early design phases. They also simplify visual inspection and debugging setups, making them practical for engineers evaluating the STM32F101C6T6A in evaluation boards or lab environments before committing to reel-based production.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics STM32F101C6T6A

Product Attribute STM32F101C6T6ATR STM32F101C6T6 STM32F101C4T6A STM32F101CBT6
Part Number STM32F101C6T6ATR STM32F101C6T6 STM32F101C4T6A STM32F101CBT6
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Core Processor - - - -
Voltage - Supply (Vcc/Vdd) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Data Converters - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Series - - - -
Oscillator Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Peripherals - - - -
EEPROM Size - - - -
Number of I/O - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Program Memory Size - - - -
Core Size - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Speed - - - -
Program Memory Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
RAM Size - - - -
Connectivity - - - -

STM32F101C6T6A Datasheet PDF

Download STM32F101C6T6A pdf datasheets and STMicroelectronics documentation for STM32F101C6T6A - STMicroelectronics.

HTML Datasheet
STM32F101x(4,6) Datasheet.pdf
PCN Design/Specification
LQFP 48 7x7 Products Increased Capacity 21/Dec/201.pdf Mult Dev 03/Nov/2022.pdf
PCN Packaging
2.73KHz.pdf
PCN Assembly/Origin
STM8/STM32 10/Mar/2020.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
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New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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STM32F101C6T6A Image

STM32F101C6T6A

STMicroelectronics
32D-STM32F101C6T6A

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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