STM32C011F4U6TR

Product Overview

The STM32C011F4U6TR is a cost-effective mainstream microcontroller from STMicroelectronics based on a 32-bit Arm Cortex-M0+ processor operating at up to 48 MHz. It integrates 16 KB of Flash memory, 6 KB of SRAM with hardware parity checking, a 12-bit ADC, DMA, timers and multiple communication interfaces in a compact UFQFPN-20 package.

The STM32C011F4U6TR is designed for cost-sensitive embedded applications requiring reliable real-time processing, compact PCB dimensions and low power consumption. Typical applications include consumer electronics, appliances, industrial control, sensors, metering, lighting, motor-control support and IoT devices.

The exact STM32C011F4U6TR is an active industrial-grade device with a -40°C to +85°C operating temperature range, 2.0 V to 3.6 V supply voltage, and UFQFPN-20 3 × 3 mm package. ST lists the exact ordering code as active and ECOPACK2 compliant.

Key Features

• Arm 32-bit Cortex-M0+ CPU

• CPU frequency up to 48 MHz

• 16 KB Flash memory

• 6 KB SRAM with hardware parity check

• Memory protection and securable Flash areas

• 3-channel DMA controller

• 12-bit ADC

• ADC conversion time down to 0.4 µs

• Up to 13 external ADC channels

• Advanced-control PWM timer

• Four 16-bit general-purpose timers

• Two watchdog timers

• SysTick timer

• Calendar RTC with alarm

• 1 × I²C interface

• 2 × USART

• 1 × SPI / I²S interface

• Additional SPI capability through USARTs

• CRC calculation unit

• Up to 18 fast I/Os at family level

• 5 V-tolerant I/O

• Serial Wire Debug

• Sleep, Stop, Standby and Shutdown modes

• 2.0 V to 3.6 V supply

• -40°C to +85°C operating temperature

• UFQFPN-20 package

• ECOPACK2 compliant

Technical Specifications

The F4 device family provides 16 KB Flash and 6 KB SRAM. This should not be confused with the STM32C011F6 variants, which provide 32 KB Flash.

Processor & Architecture

The STM32C011F4U6TR integrates an Arm Cortex-M0+ 32-bit RISC processor operating at up to 48 MHz.

The architecture is optimized for cost-sensitive embedded applications while maintaining compatibility with the STM32 development ecosystem.

Key processor resources include:

• 32-bit Arm Cortex-M0+ core

• Up to 48 MHz CPU frequency

• Memory Protection Unit

• Nested interrupt controller

• Serial Wire Debug

• Hardware CRC calculation

• Efficient low-power operating modes

The STM32C011 family is positioned for consumer, industrial, appliance and IoT applications.

Memory & Storage

The exact STM32C011F4U6TR provides:

• 16 KB Flash program memory

• 6 KB SRAM

• Hardware parity checking on SRAM

• Flash read/write protection

• Proprietary code protection

• Securable Flash area

• System-memory boot support

The F4 designation is important: ST specifies the STM32C011F4 with 16 KB Flash, while the STM32C011F6 provides 32 KB Flash.

Analog Peripherals

The STM32C011F4U6TR integrates a 12-bit ADC for analog signal acquisition and embedded measurement.

ADC resources include:

• 12-bit resolution

• Conversion time down to 0.4 µs

• Up to 13 external channels at family level

• Conversion range from 0 V to 3.6 V

The ADC is suitable for sensors, voltage monitoring, analog controls, temperature measurement and other embedded measurement functions.

Timer & PWM Resources

The STM32C011F4U6TR provides multiple timer peripherals for timing, PWM and real-time control.

Resources include:

• 1 × advanced-control 16-bit timer

• 4 × general-purpose 16-bit timers

• 2 × watchdog timers

• SysTick timer

• Calendar RTC with alarm

The advanced-control timer provides PWM capabilities suitable for control and motor-control support applications.

Communication & Connectivity

The STM32C011F4U6TR integrates standard embedded communication interfaces.

I²C

• 1 × I²C interface

• Fast-mode Plus up to 1 Mbit/s

• SMBus / PMBus support

• Stop-mode wake-up

• Enhanced current-sink capability

USART

• 2 × USART

• Synchronous master/slave operation

• SPI capability

• LIN support

• IrDA capability

• Automatic baud-rate detection

• Wake-up functionality

• ISO 7816 support on supported USART functionality

SPI / I²S

• 1 × SPI

• Up to 24 Mbit/s

• Programmable 4- to 16-bit frame

• I²S multiplexed functionality

• Additional SPI functionality through USART peripherals

These interfaces allow the MCU to communicate with sensors, displays, memory devices, drivers and external communication modules.

Clock & Power Management

The STM32C011F4U6TR provides multiple internal and external clock sources.

Clock resources include:

• 4 to 48 MHz crystal oscillator

• 32 kHz crystal oscillator with calibration

• Internal 48 MHz RC oscillator

• Internal 32 kHz RC oscillator

• Low-speed clock for RTC operation

The MCU operates from 2.0 V to 3.6 V and incorporates integrated reset and brownout-management functions.

Low-Power Operation

The STM32C011F4U6TR provides several low-power modes:

• Sleep mode

• Stop mode

• Standby mode

• Shutdown mode

These modes allow system designers to reduce power consumption during periods when full processing performance is not required.

Power Management

Power-management resources include:

• 2.0 V to 3.6 V operating voltage

• Power-on reset

• Power-down reset

• Programmable brownout reset

• Sleep, Stop, Standby and Shutdown modes

• Independent watchdog

• Window watchdog

• RTC backup-domain functions

These features improve system reliability and allow the device to be integrated into low-power embedded products.

Security & Data Integrity

The STM32C011F4U6TR provides hardware features for firmware protection and data integrity.

Security and protection resources include:

• Flash read protection

• Flash write protection

• Proprietary code protection

• Securable memory area

• Memory Protection Unit

• SRAM hardware parity

• CRC calculation unit

• Secure debugging support

• SESIP Level 3 target certification

• PSA Level 3 target certification

These features help protect embedded firmware and improve system reliability in connected and industrial applications.

Development & Debugging

Development and debugging features include:

• Serial Wire Debug (SWD)

• STM32CubeMX support

• STM32CubeProgrammer support

• STM32 development tools

• STM32 software libraries

• In-circuit programming and debugging

The STM32C011F4U6TR is compatible with the broader STM32 development ecosystem, allowing engineers to use established STM32 software and hardware tools.

Applications

The STM32C011F4U6TR is suitable for:

• Consumer electronics

• Home appliances

• Industrial control

• Smart sensors

• IoT devices

• Lighting control

• Motor-control support

• Power-management systems

• Metering

• Battery-powered equipment

• User-interface controllers

• Embedded communication nodes

• General-purpose embedded control

• Cost-sensitive automation products

Benefits

• Low-cost 32-bit processing: 48 MHz Arm Cortex-M0+ architecture

• Compact memory footprint: 16 KB Flash and 6 KB SRAM

• Integrated analog capability: 12-bit ADC

• Flexible timing: Advanced-control PWM and four general-purpose timers

• Multiple interfaces: I²C, SPI/I²S and two USARTs

• Low-power operation: Sleep, Stop, Standby and Shutdown modes

• Very compact package: UFQFPN-20 package measuring 3 × 3 mm

• Industrial temperature rating: -40°C to +85°C

• 5 V-tolerant I/O: Useful for selected external logic interfaces

• Active production device: Active STM32C011F4 product from STMicroelectronics

Packaging & Ordering Information

• Part Number: STM32C011F4U6TR

• Manufacturer: STMicroelectronics

• Device Family: STM32C011F4

• Package: UFQFPN-20

• Package Size: 3 × 3 × 0.6 mm

• Supply Voltage: 2.0 V to 3.6 V

• Operating Temperature: -40°C to +85°C

• Packing: Tape and Reel

• Product Status: Active

• RoHS / Environmental: ECOPACK2

ST's current online store identifies the exact STM32C011F4U6TR as an active industrial product with a UFQFPN-20 3 × 3 × 0.6 mm package and a -40°C to +85°C temperature range. The TR suffix denotes the tape-and-reel ordering option.

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, protection features, and application information, please refer to the official STMicroelectronics documentation.

Datasheet: Official STM32C011F4U6TR Datasheet

Frequently Asked Questions

What is STM32C011F4U6TR?
STM32C011F4U6TR is a 48 MHz Arm Cortex-M0+ microcontroller from STMicroelectronics with 16 KB Flash, 6 KB SRAM, 12-bit ADC, timers, two USARTs, I²C and SPI/I²S interfaces.

How much Flash memory does STM32C011F4U6TR have?
The exact STM32C011F4U6TR has 16 KB of Flash memory. The STM32C011F6 variants have 32 KB Flash and should not be confused with the F4 device.

How much SRAM does it have?
It provides 6 KB of SRAM with hardware parity checking.

What is the maximum CPU frequency?
The Arm Cortex-M0+ processor operates at up to 48 MHz.

What package does STM32C011F4U6TR use?
The exact part uses a 20-pin UFQFPN package measuring 3 × 3 × 0.6 mm.

What is the operating temperature range?
The exact U6TR ordering code is rated from -40°C to +85°C.

Does STM32C011F4U6TR have an ADC?
Yes. It integrates a 12-bit ADC with conversion time down to 0.4 µs and up to 13 external channels at family level.

What does the TR suffix mean?
The TR suffix identifies the tape-and-reel packing option. ST lists STM32C011F4U6TR as the active UFQFPN-20 tape-and-reel ordering code.

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