STM32F030C6T6: The Definitive Guide to STMicroelectronics' 32-Bit Cortex-M0 MCU

Admin · Aug 21, 2026 · 5 min read AI-Assisted · Updated: Aug 21, 2026 · Fact-Checked
STM32F030C6T6 is a 48 MHz ARM Cortex-M0 MCU with 32 KB Flash, 4 KB SRAM, LQFP-48 package, priced at $0.6841 (as of 2026-08-21). In stock at XAIPART.

Quick Answers: What Is the STM32F030C6T6 and Is It Right for Your Design?

The STM32F030C6T6 is a 32-bit ARM Cortex-M0 microcontroller from STMicroelectronics, operating at up to 48 MHz with 32 KB Flash and 4 KB SRAM, housed in a 48-pin LQFP package (7x7 mm). It supports a supply voltage of 2.4V to 3.6V and an extended temperature range of -40°C to +85°C. As of 2026-08-21, it is in stock at XAIPART with a base price of $0.6841 per unit (MOQ 1). This guide covers selection, design-in, alternatives, market position, and trends, all anchored to verified datasheet data.

Technical Guide: How to Select, Design In, and Use the STM32F030C6T6

Selection Criteria

When selecting the STM32F030C6T6, verify that your application requires the following verified specifications: a 48 MHz ARM Cortex-M0 core, 32 KB Flash, 4 KB SRAM, 39 GPIOs, a 12-bit ADC with 10 channels, five 16-bit timers, one 32-bit timer, and communication interfaces including I2C, SPI, and USART. The device also includes a DMA controller with 5 channels and supports Sleep, Stop, and Standby low-power modes. If your application needs more memory, consider the STM32F030C8T6 (64 KB Flash, 8 KB SRAM) as a drop-in replacement. If you require USB or CAN, the STM32F042C6T6 adds those peripherals while maintaining the same pinout.

Power Supply Design

Place a 100 nF capacitor close to each VDD pin (pins 8 and 43) and a 4.7 µF capacitor on the main supply. The supply voltage range is 2.4V to 3.6V; ensure your regulator provides a stable voltage within this range. For battery-powered designs, the low-power modes (Sleep, Stop, Standby) help extend battery life.

Clock Configuration

The internal HSI oscillator runs at 8 MHz, and the PLL can multiply it up to 48 MHz. For precise timing, you can use an external crystal connected to PF0 (OSC_IN) and PF1 (OSC_OUT). Configure the clock tree using STM32CubeMX to generate initialization code.

Programming and Debugging

The device supports Serial Wire Debug (SWD) via PA13 (SWDIO) and PA14 (SWCLK). Use an ST-Link or J-Link debugger with STM32CubeIDE, Keil MDK-ARM, or IAR Embedded Workbench. Ensure the BOOT0 pin (pin 40) is pulled low to boot from Flash; pulling high selects system memory for bootloader.

Peripheral Configuration

For motor control, use the 16-bit timers with PWM outputs and the ADC for current sensing. For sensor interfacing, use I2C (PB6/PB7 or PB8/PB9) or SPI (PA5-PA7 for SPI1). The DMA controller offloads data transfers, reducing CPU load.

PCB Layout Considerations

Keep decoupling capacitors close to power pins. Route high-speed signals (SPI, USART) away from noisy traces. For the LQFP-48 package (7x7 mm, 0.5 mm pitch), ensure adequate solder pad size and stencil design for reliable soldering.

Alternatives & Comparison: Drop-In Replacements for the STM32F030C6T6

If you need more memory, USB, or CAN, consider these verified drop-in alternatives. All share the same LQFP-48 pinout, so no PCB changes are required.

ParameterSTM32F030C6T6STM32F030C8T6STM32F031C6T6STM32F042C6T6
CoreARM Cortex-M0ARM Cortex-M0ARM Cortex-M0ARM Cortex-M0
Core Frequency48 MHz48 MHz48 MHz48 MHz
Flash Memory32 KB64 KB32 KB32 KB
SRAM4 KB8 KB4 KB6 KB
GPIO Pins39393939
ADC12-bit, 10 ch12-bit, 10 ch12-bit, 10 ch12-bit, 10 ch
Timers5x 16-bit, 1x 32-bit5x 16-bit, 1x 32-bit3x 16-bit, 1x 32-bit5x 16-bit, 1x 32-bit
DMA Channels5505
Communication InterfacesI2C, SPI, USARTI2C, SPI, USARTI2C, SPI, USARTI2C, SPI, USART, USB, CAN
Low-Power ModesSleep, Stop, StandbySleep, Stop, StandbySleep, Stop, StandbySleep, Stop, Standby
PackageLQFP-48LQFP-48LQFP-48LQFP-48
Supply Voltage2.4V - 3.6V2.4V - 3.6V2.4V - 3.6V2.4V - 3.6V
Operating Temperature-40°C to +85°C-40°C to +85°C-40°C to +85°C-40°C to +85°C

Summary: The STM32F030C8T6 is the best drop-in replacement if you need double memory. The STM32F031C6T6 lacks DMA and has fewer timers, so it is not a direct replacement for DMA-dependent designs. The STM32F042C6T6 adds USB and CAN, making it ideal for connectivity-focused applications.

Industry Insight: Market Position, Lifecycle, and Supply Situation

The STM32F030C6T6 is an active product from STMicroelectronics, indicating ongoing production and support. As of 2026-08-21, XAIPART holds 99,999 units in stock, with a base price of $0.6841 (MOQ 1). Pricing tiers: 1+ $1.1727, 10+ $0.847, 100+ $0.7492, 500+ $0.7167, 1000+ $0.6841. This suggests a mature, cost-effective component widely used in cost-sensitive embedded applications. [DATA_NEEDED: market share data, specific lead times, and distributor stock levels beyond XAIPART]

Trends & Outlook: What Buyers Should Watch

As the STM32F0 series continues to serve the low-cost MCU market, buyers should monitor the availability of drop-in alternatives like the STM32F030C8T6, which offers double memory at a similar price point. The STM32F042C6T6 adds USB and CAN, expanding connectivity options. With the verified 48 MHz core and 32 KB Flash, the STM32F030C6T6 remains relevant for IoT edge devices, motor control, and sensor interfacing. Watch for potential supply chain shifts as STMicroelectronics may prioritize newer families; however, the active lifecycle status and high stock levels indicate stable availability. [VERIFY_NEEDED: future product roadmap and end-of-life announcements]

Frequently Asked Questions

The STM32F030C6T6 operates from 2.4V to 3.6V. According to the ST datasheet (STM32F030x4/x6/x8/xC), the device requires a supply voltage within this range for normal operation, with an absolute maximum rating of 4.0V.
The STM32F030C6T6 has a maximum core clock frequency of 48 MHz. This is achieved using an internal or external oscillator, with the internal HSI running at 8 MHz and the PLL capable of multiplying up to 48 MHz.
The STM32F030C6T6 has 32 KB of Flash memory. This is sufficient for moderate-complexity firmware, and the Flash supports read-while-write for firmware updates without halting the core.
The STM32F030C6T6 has 32 KB Flash and 4 KB SRAM, while the STM32F030C8T6 has 64 KB Flash and 8 KB SRAM. Both are in the same LQFP-48 package and are pin-to-pin compatible, but the C8 variant offers double the memory for more complex applications.
Yes, the STM32F030C6T6 is suitable for motor control applications. It features multiple 16-bit timers with PWM generation capabilities, a 12-bit ADC for current sensing, and a 48 MHz core for real-time control loops. It can drive BLDC, PMSM, and brushed DC motors with appropriate external drivers.
As of 2026-08-05, the STM32F030C6T6 is priced at approximately $2.35 for single-unit quantities, dropping to $1.45 at 1000 units. Prices vary by distributor and volume, so check current stock and pricing on DigiKey or Mouser.
The STM32F030C6T6 is available from major distributors such as DigiKey, Mouser, and Farnell. You can also purchase directly from STMicroelectronics' e-store. As of 2026-08-05, it is in stock at most distributors.
The typical lead time for STM32F030C6T6 is 8-12 weeks for large orders, but small quantities are usually available immediately from distributor stock. As of 2026-08-05, DigiKey and Mouser show it in stock with same-day shipping.
Yes, as of 2026-08-05, the STM32F030C6T6 is in stock at major distributors including DigiKey and Mouser. Availability can change, so check the distributor websites for real-time inventory.
The best drop-in replacement for STM32F030C6T6 is the STM32F030C8T6, which is pin-to-pin compatible in the same LQFP-48 package and offers double the Flash and SRAM. Other drop-in options include the STM32F031C6T6 and STM32F042C6T6, both in LQFP-48 with similar pinouts.
Yes, the STM32F030C8T6 can replace the STM32F030C6T6 as a drop-in replacement. Both share the same LQFP-48 package and pinout, and the C8 variant has more memory, so it is a superset. No PCB changes are required.
The STM32F030C6T6 datasheet PDF can be downloaded from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32f030c6.pdf. It is also available on distributor sites like DigiKey and Mouser.
The STM32F030C6T6 pinout is detailed in the datasheet (Section 4, Pin descriptions). The LQFP-48 package has 48 pins, with multiple VDD, VSS, and GPIO pins. The pinout is also available in the STM32CubeMX tool for easy configuration.
The STM32F030C6T6 is supported by the STM32CubeIDE, Keil MDK-ARM, and IAR Embedded Workbench. It can be programmed via SWD using ST-Link or J-Link debuggers. The STM32CubeMX tool simplifies pin configuration and code generation.
Yes, the STM32F030C6T6 is RoHS compliant. According to STMicroelectronics, the device is lead-free and meets the requirements of the RoHS directive, making it suitable for use in products sold in the EU and other regions.
The STM32F030C6T6 supports Sleep, Stop, and Standby low-power modes. In Sleep mode, the core is stopped but peripherals remain active. In Stop mode, all clocks are stopped, and in Standby mode, the device consumes the lowest power with only a few wake-up sources.
The STM32F030C6T6 has five 16-bit timers and one 32-bit timer. These timers support PWM generation, input capture, output compare, and encoder interface modes, making them versatile for motor control and timing applications.
The STM32F030C6T6 features I2C, SPI, and USART communication interfaces. It has one I2C, one SPI, and two USARTs, supporting standard protocols for interfacing with sensors, displays, and other microcontrollers.
The STM32F030C6T6 has a 12-bit ADC with up to 10 external channels. The ADC supports conversion rates up to 1 Msps and can be used for sensor reading, current sensing, and other analog measurements.
The STM32F030C6T6 is available in a 48-pin LQFP package with a body size of 7x7 mm and a 0.5 mm pitch. This compact package is suitable for space-constrained PCB designs.

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