STM32F030C6T6 ST Mainstream Arm Cortex-M0 Value Line 32-bit MCU 32KB Flash 48MHz CPU 12-bit ADC LQFP-48

STM32F030C6T6 Product Overview

The STM32F030C6T6 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 32 KB Flash, 4 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, 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.[reference:18][reference:19]

STM32F030C6T6 Core Features

Arm Cortex-M0 Core: 32-bit Arm Cortex-M0 RISC core, up to 48 MHz, with built-in Nested Vectored Interrupt Controller Memory: 32 KB Flash, 4 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

STM32F030C6T6 Applications

Industrial Control: PLCs, sensor transmitters, RS-485 communication nodes, small actuators, inverters Consumer Electronics: Remote controls, electric toothbrushes, electronic toys, handheld devices, PC peripherals (printers, scanners) Home Appliances: Induction/microwave oven panels, HVAC systems, alarm systems IoT Nodes: Wireless sensor terminals, environmental monitoring modules, edge acquisition nodes LED Lighting: Dimming control, RGB strip drivers, switching power supply management Motor Control: Fans, pumps, small motor drives — advanced-control timer supports 6-channel PWM output Automotive Electronics: Vehicle light control, window anti-pinch, automotive sensor nodes (non-safety-critical)

STM32F030C6T6 Key Advantages

Arm Cortex-M0 32-bit Performance: 48 MHz high-performance 32-bit ARM core, far exceeding 8/16-bit MCU processing capability for complex algorithms 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 12-bit High-Speed ADC: 1.0 µs conversion time, up to 16 channels, separate analog supply, analog watchdog for precise monitoring 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:

1. What is the STM32F030C6T6 and what are its key specifications?
   The STM32F030C6T6 is a 32‑bit ARM Cortex‑M0 microcontroller from STMicroelectronics, running at up to 48 MHz with 32 KB of Flash memory and 4 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 interfaces include up to 6 USARTs, 2 SPIs, and 2 I2Cs. Housed in an LQFP‑48 package, it provides 39 I/O pins and operates over ‑40 °C to +85 °C. With a solid peripheral set and moderate memory size, it is an excellent fit for cost‑optimized embedded designs that need more I/O than smaller packages offer, without requiring a large firmware footprint.

2. What are the package dimensions and I/O count of the STM32F030C6T6?
   The device comes in 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 step up from TSSOP‑20 or LQFP‑32 versions. The gull‑wing leads are easy to hand‑solder and visually inspect, making this package practical for prototyping as well as low‑ to medium‑volume production.

3. How does the STM32F030C6T6 differ from the STM32F030C8T6? Which one is right for my project?
   Both share exactly the same LQFP‑48 package, core, and peripherals — including the TIM15 complementary output timer. The only difference is memory: the C6T6 has 32 KB Flash and 4 KB SRAM, while the C8T6 doubles those to 64 KB Flash and 8 KB SRAM. If your application code and data comfortably fit within 32 KB and 4 KB, the C6T6 is a highly cost‑optimized choice. When you need room for larger firmware, multiple communication stacks, or a lightweight RTOS, the C8T6 gives you that headroom without changing the PCB layout.

4. How does the STM32F030C6T6 compare with the STM32F031C6T6? Which one can drive a brushless motor directly?
   Both are LQFP‑48 Cortex‑M0 MCUs at 48 MHz with 32 KB Flash and 4 KB SRAM. The key difference is the timer: the STM32F031C6T6 includes the advanced‑control timer TIM1 with four complementary PWM pairs and hardware dead‑time, enabling a single chip to directly drive a three‑phase brushless motor. The F030C6T6 instead offers the general‑purpose timer TIM15 with one complementary pair. Choose the F031C6T6 if full three‑phase motor control is a must. Pick the F030C6T6 when a single complementary pair is enough (e.g., for a DC motor H‑bridge or a single half‑bridge) and you want to stay within the F030 series.

5. Can the STM32F030C6T6 drive a brushless DC motor or a half‑bridge directly?
   It can directly drive a single half‑bridge or an H‑bridge. The TIM15 timer provides one complementary PWM pair with programmable dead‑time insertion and a break input, which is sufficient for a full‑bridge DC motor, a single‑phase inverter, or a PFC stage. For a three‑phase brushless motor that requires three complementary pairs, the C6T6 would need an external gate driver with integrated dead‑time and complementary generation, or you can upgrade to a member of the STM32 family that has TIM1 (such as the STM32F031 or STM32F051 series).

6. What are the ADC specifications of the STM32F030C6T6? How many analog input channels are available?
   It includes 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 (IN0–IN9 via PA0–PA7, PB0, and PB1) can be used. The internal temperature sensor and voltage reference can also be sampled without consuming any external pins. There is no on‑chip DAC, so analog voltage outputs must be generated with an external DAC or by low‑pass filtering a PWM signal.

7. Can the STM32F030C6T6 be powered directly from 5 V? Are its GPIO pins 5‑volt tolerant?
   The supply voltage must remain within 2.0 V to 3.6 V; 5 V must never be applied to the VDD pin. Most I/O pins (ports A, B, C, and F) are marked FT (5‑volt tolerant) and can safely accept input voltages up to 5 V. This allows you to directly interface with 5 V logic — reading their outputs or using open‑drain outputs with external pull‑ups — without external level shifters, which greatly simplifies mixed‑voltage designs.

8. How low is the power consumption of the STM32F030C6T6? Is it suitable for battery‑operated devices?
   The power figures are competitive 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 4 KB SRAM and registers retained, consumption falls to approximately 6 µA; Standby mode further reduces it to roughly 1.5 µA. Fast wake‑up from Stop mode makes the chip practical for battery‑powered products that sleep most of the time and wake briefly to perform measurements or communications.

9. How do I program and debug the STM32F030C6T6? What development tools are required?
   All programming and debugging are done via the SWD (Serial Wire Debug) interface, needing only SWDIO, SWCLK, VCC, and GND connections. A low‑cost ST‑LINK/V2 or STLINK‑V3 debugger is the only essential hardware. The free STM32CubeIDE is fully supported, and you can also use Keil MDK or IAR EWARM. Use STM32CubeMX for graphical pinout and clock configuration. ST provides extensive HAL and LL firmware libraries plus example projects, allowing you to quickly go from concept to a working prototype.

10. What are the most typical applications for the STM32F030C6T6?
    Thanks to its 32 KB Flash, 4 KB SRAM, 39 I/O pins, multiple USART/SPI/I2C interfaces, and a half‑bridge‑capable timer, the C6T6 is widely used in cost‑sensitive embedded systems that need a moderate number of I/Os and solid connectivity. Typical uses include industrial sensor nodes, smart home appliances, power supply controllers, simple motorized valve or actuator drivers, and IoT communication modules. It is a very popular choice when 32 KB of code space is sufficient and the design calls for a 48‑pin package with easy hand‑soldering.