Item specifics
Description
The STM32C011F4P6 is a mainstream Arm Cortex-M0+ 32-bit MCU from STMicroelectronics, belonging to the entry-level STM32C0 series. Based on a high-performance 32-bit Arm Cortex-M0+ RISC core operating up to 48 MHz, it integrates 16 KB Flash (with protection and securable area), 6 KB SRAM (with hardware parity check), and no EEPROM. On-chip peripherals include a 12-bit ADC (up to 15 external channels, 0.4 µs conversion time), 3-channel DMA controller with flexible mapping, CRC calculation unit, calendar RTC with alarm, up to 8 timers (including one 16-bit advanced motor control timer, four 16-bit general-purpose timers, two watchdogs, and SysTick timer), SPI (24 Mbit/s, multiplexed with I²S), I2C (Fast-mode Plus 1 Mbit/s, supporting SMBus/PMBus), and two USARTs (supporting synchronous SPI master/slave mode, one with ISO7816, LIN, IrDA, auto baud rate detection, and wake-up feature). Housed in a TSSOP-20 package with up to 18 fast I/Os (all 5 V-tolerant and mappable on external interrupt vectors), it operates from 2.0 V to 3.6 V over -40 °C to 85 °C. Ideal for consumer electronics, industrial control, home appliances, and cost-sensitive embedded applications.
Arm Cortex-M0+ Core: 32-bit Arm Cortex-M0+ RISC core, up to 48 MHz, with built-in Nested Vectored Interrupt Controller (NVIC) Memory: 16 KB Flash with protection and securable area, 6 KB SRAM with hardware parity check, CRC calculation unit 12-bit ADC: Up to 15 external channels, 0.4 µs conversion time, 0 to 3.6 V conversion range 3-Channel DMA: Flexible mapping for memory-to-memory, peripheral-to-memory, and memory-to-peripheral transfers Rich Timers: 1x 16-bit advanced motor control timer, 4x 16-bit general-purpose timers, 2x watchdogs (independent + window), SysTick timer — 8 total Calendar RTC: With alarm, supports wakeup from Stop/Standby mode Communication Interfaces: SPI (24 Mbit/s, multiplexed with I²S), I2C (Fast-mode Plus 1 Mbit/s, SMBus/PMBus, wakeup from Stop), 2x USART (synchronous SPI master/slave, one with ISO7816/LIN/IrDA/auto baud rate detection and wakeup) Low-Power Modes: Sleep, Stop, Standby, Shutdown Clock Management: 4–48 MHz crystal oscillator, 32 kHz crystal oscillator with calibration, internal 48 MHz RC oscillator (±1%), internal 32 kHz RC oscillator (±5%) TSSOP-20 Package: 20-pin TSSOP, up to 18 fast I/Os, all 5 V-tolerant, all mappable on external interrupt vectors High Reliability: Power-on/power-down reset (POR/PDR), programmable brownout reset (BOR) Wide Operating Range: 2.0 V to 3.6 V, -40 °C to 85 °C Development Support: Serial wire debug (SWD), SESIP3 and PSA Level 3 target certification
Consumer Electronics: Smart wearables, electric toothbrushes, electronic toys, remote controls, power banks Industrial Control: Sensor transmitters, RS-485 communication nodes, small actuators, process monitoring Home Appliances: Induction/microwave oven panels, coffee machines, small appliance controllers 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 timer supports motor control Battery Management: Battery protection boards, fuel gauges, charge management
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 High-Speed ADC: 12-bit ADC with only 0.4 µs conversion time and 15 external channels, ideal for multi-channel high-speed data acquisition High-Speed SPI Communication: 24 Mbit/s SPI interface (multiplexed with I²S), several times faster than traditional 8-bit MCUs for high-speed peripheral communication I2C Fast-mode Plus: 1 Mbit/s I2C with extra current sink, supporting SMBus/PMBus — ideal for power management and sensor applications 3-Channel DMA Offloads CPU: Flexible DMA controller enables direct data transfer between peripherals and memory, significantly reducing CPU load 5V-Tolerant I/Os: All 18 I/Os are 5 V-tolerant, connecting 5 V peripherals without level shifters, reducing BOM cost Flexible Low-Power Management: Four low-power modes including Shutdown for demanding battery-powered applications Calendar RTC: Built-in hardware RTC with alarm, supporting auto wakeup from low-power modes — ideal for scheduled sensing applications Mature STM32 Ecosystem: Compatible with STM32CubeIDE, STM32CubeMX, HAL libraries, abundant development boards and reference designs, extremely low development barrier Cost-Effective Entry-Level MCU: 32-bit ARM performance at a competitive price — the ideal upgrade path from 8-bit MCUs
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FAQ:
What is the STM32C011F4P6 and what are its key specifications?
The STM32C011F4P6 is a 32‑bit microcontroller from STMicroelectronics, built around an ARM Cortex‑M0+ core running at up to 48 MHz. It provides 16 KB of Flash memory and 6 KB of SRAM. On‑chip peripherals include a 12‑bit 1 Msps ADC, an advanced‑control timer TIM1 with one complementary PWM pair, plus general‑purpose timers (TIM3, TIM14, TIM16, TIM17), and standard serial interfaces — USART, SPI, and I2C. It comes in a compact TSSOP‑20 package with 15 I/O pins and operates over ‑40 °C to +85 °C. This entry‑level C0 series MCU is designed for extremely cost‑sensitive applications that need a modern 32‑bit core and basic peripherals in the smallest possible footprint.
What are the package dimensions and I/O count of the STM32C011F4P6?
The device uses a TSSOP‑20 package with a body size of 6.5 mm × 4.4 mm and a lead pitch of 0.65 mm. It provides 15 general‑purpose I/O pins, the maximum for a 20‑pin package. The gull‑wing leads are very easy to hand‑solder, inspect, and even adapt for breadboard use, making this chip ideal for prototyping and low‑volume production.
How does the STM32C011F4P6 differ from the STM32C011F6P6? Which one should I choose?
Both share exactly the same core, 6 KB SRAM, peripherals, and TSSOP‑20 package with 15 I/O pins. The only difference is the Flash size: the F4P6 offers 16 KB of Flash, while the F6P6 doubles that to 32 KB. If your application code fits comfortably within 16 KB, the F4P6 is the most cost‑optimized option in the C0 family. If you need more code space for communication stacks or future updates, the F6P6 provides that headroom with no PCB changes.
How does the STM32C011F4P6 compare with the STM32F030F4P6? Is it a good upgrade?
The STM32F030F4P6 is an older ARM Cortex‑M0 design with 16 KB Flash and 4 KB SRAM in a TSSOP‑20 package. The STM32C011F4P6 upgrades the core to the more efficient Cortex‑M0+, increases the SRAM by 50 % to 6 KB, and adds an advanced TIM1 timer with a complementary PWM channel — a feature absent on the F030F4P6. This enables basic motor control (H‑bridge or half‑bridge) that the older part cannot do. If you are pin‑ and package‑constrained but need a modern core, more RAM, and motor‑drive capability, the C011F4P6 is a very compelling successor.
Does the STM32C011F4P6 have a motor‑control timer? Can it drive a brushless motor directly?
It includes an advanced TIM1 timer with one complementary PWM pair, programmable dead‑time insertion, and a break input. This single complementary channel is perfect for directly driving a single half‑bridge or an H‑bridge, making the MCU suitable for DC motor control, single‑phase inverters, or PFC stages. A three‑phase brushless motor requires three complementary pairs, so the C011F4P6 cannot drive one by itself. You would need external gate drivers that handle dead‑time and complementary generation, or move to a microcontroller with a full four‑pair TIM1, such as the STM32F031F4P6 or the STM32G431 series.
What are the ADC specifications of the STM32C011F4P6? How many analog input channels can I use?
It integrates a 12‑bit successive‑approximation ADC with a maximum sampling rate of 1 Msps. In the TSSOP‑20 package, up to 9 external analog input channels are available: 8 channels (IN0–IN7) through pins PA0–PA7, and 1 channel (IN9) via PB1. The internal temperature sensor and voltage reference can also be sampled without using any external pins. There is no on‑chip DAC, so any analog output voltage must be generated with an external DAC or by low‑pass filtering a PWM signal.
Can the STM32C011F4P6 be powered directly from 5 V? Are its GPIO pins 5‑volt tolerant?
The supply voltage must be kept within 2.0 V to 3.6 V; 5 V should never be applied to the VDD pin. Most I/O pins (ports A, B, and C) are designated as FT (5‑volt tolerant) and can safely accept input voltages up to 5 V. This allows you to directly interface with 5 V logic devices — reading their outputs or using open‑drain outputs with external pull‑ups — without the need for external level shifters, greatly simplifying mixed‑voltage circuit designs.
How low is the power consumption of the STM32C011F4P6? Is it suitable for battery‑operated devices?
The Cortex‑M0+ core delivers strong energy efficiency. In Run mode at 48 MHz with all peripherals active, the typical current is around 10–12 mA. Sleep mode reduces this to roughly 2–3 mA. In Stop mode, with the full 6 KB SRAM and registers retained, the current drops to about 3–5 µA; Standby mode further lowers it to approximately 0.6 µA. Fast wake‑up from Stop mode makes the MCU a good fit for battery‑powered products that sleep most of the time and wake only briefly to perform measurements or transmit data.
How do I program and debug the STM32C011F4P6? What development tools are needed?
All 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 essential hardware. On the software side, the free STM32CubeIDE is fully supported, and you can also use Keil MDK or IAR EWARM. Use STM32CubeMX for quick graphical pinout, clock, and peripheral configuration. ST also provides comprehensive HAL and LL firmware libraries together with many example projects, enabling a very fast transition from concept to a working prototype.
What are the most typical applications for the STM32C011F4P6?
With its 16 KB Flash, 6 KB SRAM, 15 I/O pins, and easy‑to‑solder TSSOP‑20 package, the C011F4P6 is purpose‑built for ultra‑cost‑sensitive, space‑constrained embedded projects. Typical uses include basic sensor nodes, simple home appliances, LED lighting controllers, battery chargers, power supply monitors, and entry‑level industrial sensors. It is especially popular in high‑volume, price‑driven products where every cent counts, and the 16 KB Flash limit is well‑matched to the application complexity. Its hand‑solderable package also makes it a favorite in educational and maker projects.