STM32F030K6T6 ST Mainstream Arm Cortex-M0 Value Line 32-bit MCU 32KB Flash 48MHz CPU 12-bit ADC LQFP-32

STM32F030K6T6 Product Overview

The STM32F030K6T6 is a mainstream Arm Cortex-M0 value line 32-bit MCU from STMicroelectronics, housed in an LQFP-32 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 12 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 26 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:8][reference:9]

STM32F030K6T6 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 12 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: 26 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-32 package

STM32F030K6T6 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, smart lighting IoT Nodes: Wireless sensor terminals, environmental monitoring modules, smart home control 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)

STM32F030K6T6 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 32 KB Flash + 4 KB SRAM Mainstream Configuration: 32 KB Flash program memory, 4 KB SRAM with hardware parity, meeting storage needs for low-to-medium complexity applications 12-bit High-Speed ADC: 1.0 µs conversion time, 12 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 26 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 STM32F030K6T6 and what are its key specifications?
   The STM32F030K6T6 is a 32‑bit ARM Cortex‑M0 microcontroller from STMicroelectronics, running at up to 48 MHz with 32 KB of Flash and 4 KB of SRAM. It integrates a 12‑bit 1 Msps ADC, a set of general‑purpose timers (TIM3, TIM14), and standard serial interfaces — USART, SPI, and I2C. All of this is packed into a compact LQFP‑32 package that provides up to 27 I/O pins. It is designed for cost‑sensitive and space‑constrained applications that need basic 32‑bit performance and connectivity, such as simple sensor nodes, small appliances, and general‑purpose embedded controllers.

2. What are the package dimensions and pin count of the STM32F030K6T6?
   It uses an LQFP‑32 package with a body size of 7 mm × 7 mm and a lead pitch of 0.8 mm. The package offers 27 user I/O pins, giving you a reasonable number of connections while keeping the board footprint small and easy to hand‑solder. This makes it a popular choice for prototyping and low‑ to medium‑volume production where assembly simplicity is important.

3. How does the STM32F030K6T6 differ from the STM32F030F4P6? Which one should I choose?
   Both are Cortex‑M0 MCUs at 48 MHz, but they target different needs. The F4P6 comes in a smaller TSSOP‑20 package with 15 I/O pins and only 16 KB Flash (though it also has 4 KB SRAM). The K6T6 moves to an LQFP‑32 package, doubling the Flash to 32 KB and increasing I/O to 27 pins. Choose the F4P6 when you need the smallest possible footprint and can work with limited Flash and fewer pins. Choose the K6T6 when your firmware needs more code space or your design requires more I/O connections without moving to a much larger package.

4. How does the STM32F030K6T6 compare with the STM32F030C8T6? Is the C8T6 a better choice?
   The C8T6 is a step up in both memory and I/O. It provides 64 KB Flash and 8 KB SRAM in an LQFP‑48 package with 39 I/O pins. Both share the same core, ADC, and timer peripherals (no advanced TIM1). The K6T6, with its 32 KB Flash and 4 KB SRAM, is a more compact and cost‑optimized solution. If your application fits comfortably in 32 KB of code and 4 KB of RAM, the K6T6 does the job well. If you anticipate needing more memory or additional I/O, the C8T6 gives you that headroom without changing the software ecosystem.

5. Does the STM32F030K6T6 have an advanced motor‑control timer? Can it drive a brushless motor?
   No. The STM32F030K6T6 does not include an advanced‑control timer such as TIM1. It provides general‑purpose timers TIM3 and TIM14, which are suitable for standard PWM generation, input capture, and basic timing. Without complementary PWM outputs and hardware dead‑time insertion, it cannot directly drive half‑bridge or three‑phase motor stages. If motor control is required, you should move to the pin‑compatible STM32F031K6T6, which adds the TIM1 timer with four complementary channels, while keeping the same 32 KB Flash, 4 KB SRAM, and LQFP‑32 package.

6. What are the ADC specifications of the STM32F030K6T6? How many analog channels can I use?
   It features a 12‑bit successive‑approximation ADC with a maximum sampling rate of 1 Msps. In the LQFP‑32 package, up to 10 external analog input channels are available through pins PA0–PA7, PB0, and PB1. The ADC can also sample the internal temperature sensor and the internal voltage reference without using any external pins. This makes the chip well‑suited for multi‑sensor acquisition tasks such as environmental monitoring, battery voltage measurement, and simple industrial sensing.

7. Can the STM32F030K6T6 be powered by 5 V? Are the GPIO pins 5‑volt tolerant?
   The supply voltage must be between 2.0 V and 3.6 V; applying 5 V directly to VDD is not allowed. However, most I/O pins (including ports PA, PB, and PF) are marked as FT (5‑volt tolerant) and can safely accept input voltages up to 5 V. This allows you to directly connect 5 V logic devices — reading their outputs or using an open‑drain configuration with an external pull‑up — without needing external level shifters, which simplifies mixed‑voltage circuit designs significantly.

8. How low is the power consumption of the STM32F030K6T6? Is it suitable for battery operation?
   The chip offers competitive low‑power performance. In Run mode at 48 MHz with all peripherals active, typical current is around 12–15 mA. Sleep mode reduces this to about 2–3 mA. In Stop mode, with 4 KB SRAM and registers retained, consumption drops to approximately 5 µA; Standby mode further reduces it to about 1.2 µA. Fast wake‑up from Stop mode allows the MCU to respond quickly to external events, making it a good fit for battery‑powered devices that spend most of their time in sleep and wake periodically to perform measurements or communication.

9. How do I program and debug the STM32F030K6T6? What development tools are needed?
   Programming and debugging use the SWD (Serial Wire Debug) interface, requiring only SWDIO, SWCLK, VCC, and GND connections. A low‑cost ST‑LINK/V2 or STLINK‑V3 debugger is the only hardware you need. For software, the free STM32CubeIDE is fully supported, and the chip also works with Keil MDK and IAR EWARM. Use STM32CubeMX for quick graphical pinout and peripheral configuration. ST provides comprehensive HAL and LL libraries along with example projects, enabling a very fast transition from concept to working prototype.

10. What are the most typical applications for the STM32F030K6T6?
    Its combination of 32 KB Flash, 4 KB SRAM, 27 I/O pins, and multiple serial interfaces in a hand‑solderable LQFP‑32 package makes it ideal for a wide range of cost‑sensitive, moderate‑complexity designs. Common applications include smart sensors, home appliances, power supplies, LED lighting controllers, simple human‑machine interfaces (HMI), and generic embedded control boards. It is particularly popular in projects that need more I/O than a 20‑pin package can offer, but do not require the larger memory or advanced timers of higher‑end STM32F0 variants.