Item specifics
Description
The STM32F030C8T6 is a mainstream Arm Cortex-M0 value line 32-bit MCU from STMicroelectronics, housed in an LQFP-48 package (7×7×1.4 mm). It incorporates a 48 MHz high-performance Arm Cortex-M0 32-bit RISC core, with 64 KB Flash, 8 KB SRAM with hardware parity, and a CRC calculation unit. On-chip peripherals include a 12-bit ADC (up to 16 channels, 1.0 µs conversion time), 5-channel DMA controller, calendar RTC with alarm and periodic wakeup, 11 timers (including one 16-bit advanced-control timer for six-channel PWM output, up to seven 16-bit general-purpose timers, independent and system window watchdog timers, and SysTick timer), and up to two I2C (Fast Mode Plus 1 Mbit/s), two SPIs (18 Mbit/s), and up to six USARTs (supporting master synchronous SPI and modem control). The device provides 39 fast I/Os, all 5 V-tolerant and mappable on external interrupt vectors. It operates from 2.4 V to 3.6 V over -40 °C to 85 °C. All packages are ECOPACK®2 compliant.
Arm Cortex-M0 Core: 32-bit Arm Cortex-M0 RISC core, up to 48 MHz, with built-in Nested Vectored Interrupt Controller Memory: 64 KB Flash, 8 KB SRAM with hardware parity, CRC calculation unit 12-bit ADC: 1.0 µs conversion time, up to 16 channels, conversion range 0 to 3.6 V, separate analog supply 2.4 V to 3.6 V 5-Channel DMA Controller: Flexible mapping for memory-to-memory, peripheral-to-memory, and memory-to-peripheral transfers 11 Timers: One 16-bit advanced-control timer for six-channel PWM output, up to seven 16-bit general-purpose timers (up to four IC/OC, usable for IR control decoding), independent and system window watchdog timers, SysTick timer Calendar RTC: With alarm and periodic wakeup from Stop/Standby Communication Interfaces: Up to two I2C (Fast Mode Plus 1 Mbit/s support, 20 mA current sink), up to six USARTs (supporting master synchronous SPI and modem control, one with auto baud rate detection), up to two SPIs (18 Mbit/s, 4 to 16 programmable bit frames) Low-Power Modes: Sleep, Stop, Standby Clock Management: 4–32 MHz crystal oscillator, 32 kHz RTC crystal oscillator with calibration, internal 8 MHz RC with x6 PLL option, internal 40 kHz RC oscillator I/O Resources: 39 fast I/Os, all 5 V-tolerant, all mappable on external interrupt vectors High Reliability: Power-on/power-down reset (POR/PDR), serial wire debug (SWD) Wide Operating Range: 2.4 V to 3.6 V, -40 °C to 85 °C Green Packaging: ECOPACK®2 compliant, LQFP-48 package
Industrial Control: PLCs, sensor transmitters, RS-485 communication nodes, small actuators, inverters, industrial sewing machine drives Motor Control: BLDC and PMSM motor drives — advanced-control timer supports 6-channel PWM output, supporting sensored/sensorless square-wave control Consumer Electronics: Remote controls, electric toothbrushes, electronic toys, handheld devices, PC peripherals (printers, scanners) Home Appliances: Induction/microwave oven panels, HVAC systems, alarm systems, smart lighting IoT Nodes: Wireless sensor terminals, environmental monitoring modules, smart home control LED Lighting: Dimming control, RGB strip drivers, switching power supply management Automotive Electronics: Vehicle light control, window anti-pinch, automotive sensor nodes (non-safety-critical)
Arm Cortex-M0 32-bit Performance: 48 MHz high-performance 32-bit ARM core, far exceeding 8/16-bit MCU processing capability, supporting complex algorithms and industrial control strategies 64 KB Large Flash: Double the program storage of the 32 KB Flash variant in the same series, accommodating larger application code and communication protocol stacks 8 KB SRAM: Double the data buffer capacity compared to the 4 KB SRAM variant, suitable for more complex data processing scenarios 12-bit High-Speed ADC: 1.0 µs conversion time, up to 16 channels, separate analog supply, analog watchdog for precise monitoring Rich Communication Interfaces: Up to 6 USARTs, 2 SPIs (18 Mbit/s), 2 I2Cs (Fast Mode Plus 1 Mbit/s) — abundant communication peripherals for multi-bus connectivity 11 Timers: Including 1x 16-bit advanced-control timer (6-channel PWM) and up to 7x 16-bit general-purpose timers (supporting IR control decoding) — ideal for motor control and infrared remote control applications 5-Channel DMA Offloads CPU: Enables direct data transfer between peripherals and memory, significantly reducing CPU load 5V-Tolerant I/Os: All 39 I/Os are 5 V-tolerant, connecting 5 V peripherals without level shifters, reducing BOM cost Calendar RTC: Built-in hardware RTC with alarm and periodic wakeup — ideal for scheduled sensing applications Mature STM32 Ecosystem: Compatible with STM32CubeIDE, STM32CubeMX, HAL libraries, abundant development boards and reference designs Cost-Effective Value Line: 32-bit ARM performance at a competitive price — the ideal upgrade path from 8/16-bit MCUs
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FAQ:
What is the STM32F030C8T6 and what are its key specifications?
The STM32F030C8T6 is a 32‑bit ARM Cortex‑M0 microcontroller from STMicroelectronics, clocked at up to 48 MHz with 64 KB of Flash and 8 KB of SRAM. It integrates a 12‑bit 1 Msps ADC, a 16‑bit general‑purpose timer with complementary output (TIM15), along with TIM3, TIM14, TIM16, TIM17 and a basic timer TIM6. Communication includes up to 6 USARTs, 2 SPIs, and 2 I2Cs. Housed in an LQFP‑48 package, it provides 39 I/O pins and operates from ‑40 °C to +85 °C. This blend of generous memory, rich connectivity, and a half‑bridge‑capable timer makes it a popular choice for industrial nodes, home appliances, and cost‑sensitive control systems that need more I/O than smaller packages offer.
What are the package dimensions and I/O count of the STM32F030C8T6?
The device uses an LQFP‑48 package measuring 7 mm × 7 mm with a lead pitch of 0.5 mm. It delivers 39 general‑purpose I/O pins, a substantial increase over 20‑ or 32‑pin alternatives. The gull‑wing leads are easy to hand‑solder and inspect visually, which is a significant advantage for prototyping and small‑ to medium‑volume production.
How does the STM32F030C8T6 differ from the STM32F030C6T6? What do I gain with the “C8”?
Both share the same LQFP‑48 package, core, and peripherals. The difference is only in memory: the C6T6 offers 32 KB Flash and 4 KB SRAM, while the C8T6 doubles those to 64 KB Flash and 8 KB SRAM. This extra space lets you accommodate larger application code, multiple communication stacks, or a lightweight RTOS without changing the PCB or pinout. If your firmware fits comfortably in 32 KB, the C6T6 can work; if you anticipate growth or simply want headroom, the C8T6 is a straightforward upgrade.
How does the STM32F030C8T6 compare with the STM32F031C8T6? Which one has better motor control?
Both are LQFP‑48 Cortex‑M0 MCUs running at 48 MHz with 64 KB Flash and 8 KB SRAM. The critical difference is in the timer set. The STM32F031C8T6 includes the advanced‑control timer TIM1 with four complementary PWM pairs and hardware dead‑time, making it directly capable of driving three‑phase brushless motors and complex power stages. The F030C8T6 instead provides the general‑purpose timer TIM15 with one complementary pair. Choose the F031C8T6 if you need full three‑phase motor control in a single chip. Choose the F030C8T6 when one complementary pair is sufficient (e.g., for a DC motor H‑bridge or a single half‑bridge) and you want to stay within the F030 series.
Can the STM32F030C8T6 drive a brushless DC motor or a half‑bridge directly?
It can drive a single half‑bridge or an H‑bridge directly. The TIM15 timer provides one complementary PWM pair with programmable dead‑time insertion and a break input. This is enough for a DC motor full‑bridge, a single‑phase inverter, or a PFC stage. For a three‑phase brushless motor, you would need three such pairs. The F030C8T6 cannot do this alone; you would need either an external gate driver with built‑in dead‑time and complementary generation, or move to a member of the STM32 family with TIM1 (such as the STM32F031 or STM32F051 series).
What are the ADC specifications of the STM32F030C8T6? How many analog inputs can I use?
It contains a 12‑bit successive‑approximation ADC with a maximum sampling rate of 1 Msps. In the LQFP‑48 package, up to 10 external analog channels are available (IN0–IN9 through pins PA0–PA7, PB0, and PB1). The ADC can also sample the internal temperature sensor and the voltage reference without occupying any external pins. There is no on‑chip DAC, so analog outputs must be generated with an external DAC or by low‑pass filtering a PWM signal.
Can the STM32F030C8T6 be powered from 5 V? Are the I/Os 5‑volt tolerant?
The supply voltage must remain between 2.0 V and 3.6 V; 5 V must not be applied directly to the VDD pin. Most I/O pins (across ports A, B, C, and F) are marked FT (5‑volt tolerant) and can safely accept input voltages up to 5 V. This allows direct connection to 5 V logic devices — you can read their outputs or use open‑drain outputs with external pull‑ups — without external level shifters, significantly simplifying mixed‑voltage designs.
How low is the power consumption? Is the STM32F030C8T6 suitable for battery operation?
The chip provides solid low‑power performance for a 48‑pin MCU. In Run mode at 48 MHz with all peripherals active, typical current is around 15–20 mA. Sleep mode drops this to about 3–4 mA. In Stop mode, with the full 8 KB SRAM and registers retained, consumption falls to approximately 6 µA; Standby mode further reduces it to about 1.5 µA. Fast wake‑up from Stop mode makes it practical for battery‑powered products that spend most of their time sleeping and wake only to perform short measurement or communication cycles.
How do I program and debug the STM32F030C8T6? What development tools are needed?
Programming and debugging use the SWD (Serial Wire Debug) interface, requiring only SWDIO, SWCLK, VCC, and GND. A low‑cost ST‑LINK/V2 or STLINK‑V3 debugger is all the hardware you need. The free STM32CubeIDE is fully supported, as are Keil MDK and IAR EWARM. Use STM32CubeMX for quick graphical pinout and clock configuration. ST provides comprehensive HAL and LL firmware libraries together with many example projects, so you can move from concept to prototype very quickly.
What are the most typical applications for the STM32F030C8T6?
With 64 KB Flash, 8 KB SRAM, 39 I/O pins, multiple USART/SPI/I2C interfaces, and a half‑bridge‑capable timer, the F030C8T6 is an excellent fit for a wide range of cost‑sensitive embedded systems. Common uses include industrial sensor concentrators, smart home appliances, power management units, motorized valve controllers, simple HMI panels, and IoT communication gateways. It is particularly popular when you need a significant number of I/Os and solid communication capabilities without the higher cost or complexity of an M3/M4 core.