Mcu, Arm Cortex-M0, 48Mhz, Lqfp-48; Product Range:Stm32 Family Stm32F0 Series Microcontrollers; Architecture:Arm Cortex-M0; No. Of Bits:32Bit; Cpu Speed:48Mhz; Program Memory Size:32Kb; Ram Memory Size:6Kb; No. Of Pins:48Pins; Mcu Rohs Compliant: Yes |Stmicroelectronics STM32F042C6T6

STM32F042C6T6 – 32-bit ARM Cortex-M0 Microcontroller – STMicroelectronics

Elevate your embedded designs with the STM32F042C6T6 microcontroller from STMicroelectronics. This high-performance 32-bit ARM® Cortex®-M0 IC delivers exceptional processing efficiency in compact applications. Optimized for cost-sensitive projects, it features USB connectivity, robust peripheral integration, and ultra-low power operation – ideal for accelerating development cycles while maintaining reliability.

Key Features

• Core: 32-bit ARM Cortex-M0 @ 48 MHz
• Memory: 32 KB Flash, 6 KB SRAM
• Voltage Range: 2.0V to 3.6V (low-power operation)
• Connectivity: USB 2.0 Full Speed, USART, SPI, I²C
• Package: 48-pin LQFP (7x7mm)
• Operating Temp: -40°C to +85°C (industrial grade)

Technical Details

The STM32F042C6T6 integrates advanced peripherals including a 12-channel 12-bit ADC, 16-bit timers, and hardware CRC calculation. Its Cortex-M0 core executes Thumb®/Thumb-2 instructions for optimal code density. The device supports multiple low-power modes (Sleep, Stop, Standby) with wake-up timers, achieving 128 μA/MHz in Run mode. Hardware-based USB communication eliminates external components while maintaining full protocol compliance.

Typical Applications

• Consumer electronics (gaming accessories, smart home devices)
• Industrial control systems (sensors, actuators, HMI)
• USB peripherals (keyboards, audio interfaces)
• IoT edge nodes and gateway controllers
• Medical handheld diagnostic equipment

About STMicroelectronics

STMicroelectronics is a global semiconductor leader with 30+ years of innovation in microcontroller technology. Their STM32 portfolio consistently sets industry benchmarks for performance-per-watt and peripheral integration. Rigorous qualification processes ensure compliance with automotive, industrial, and consumer reliability standards across extreme environmental conditions.

STMicroelectronics maintains one of the industry’s lowest defect rates through vertically integrated manufacturing and continuous silicon validation. Their comprehensive SDKs (including STM32CubeMX) and extensive documentation ecosystem streamline development, reducing time-to-market for engineers worldwide.

About Microcontrollers

Microcontrollers (MCUs) are self-contained computing systems that execute programmed instructions to control electronic devices. Unlike general-purpose processors, MCUs integrate CPU, memory, I/O interfaces, and peripherals on a single chip. This consolidation reduces component count, power requirements, and board space – making them fundamental for embedded systems where efficiency and compactness are critical.

Modern MCUs like the STM32F0 series balance real-time performance with energy efficiency, enabling intelligent functionality in battery-powered and space-constrained applications. Advanced features such as hardware accelerators, DMA controllers, and sleep-mode retention allow designers to optimize both responsiveness and power budgets simultaneously.

Packaging Options

Available in Tape & Reel (TR) packaging for automated assembly. Contact PCX for reel quantities and custom kitting solutions.

Frequently Asked Questions

Question: Does this MCU support USB On-The-Go (OTG)?
Answer: No, the STM32F042C6T6 implements USB Full Speed device functionality only.

Question: What development tools are compatible?
Answer: ST’s ST-LINK/V2 programmers and free STM32CubeIDE support full debugging. Third-party tools like Keil® and IAR also offer certified support.

Question: Can it operate at 3.3V and 5V?
Answer: The IC operates at 2.0-3.6V. Use level shifters when interfacing with 5V systems.

Question: Is the internal oscillator factory-calibrated?
Answer: Yes, the 8MHz internal RC oscillator achieves ±1% accuracy at room temperature after calibration.

Question: What’s the difference between F042 and F072 series?
Answer: The F072 adds CAN support and larger memory options, while the F042 focuses on cost-optimized USB applications.

Question: Are hardware encryption features included?
Answer: This device lacks cryptographic accelerators but supports software-based security protocols.

Note: Product images are representational. Refer to the datasheet for exact specifications.

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