EmbeddedRelated.com
STM32F042C6T6

STM32F042C6T6

STMicroelectronics
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 USB line MCU 32 Kbytes of Flash 48 MHz CPU, USB, CAN &
912 in stock

Overview

The STM32F042C6T6 is a mainstream Arm Cortex-M0 microcontroller operating at 48 MHz with 32 KB of Flash memory. It is specifically designed for cost-sensitive applications requiring both USB 2.0 crystal-less capability and CAN bus connectivity in a 48-pin LQFP package.

Why Choose This Part

The primary advantage is the USB 2.0 full-speed interface that supports crystal-less operation, significantly reducing BOM cost and PCB footprint. It also features a hardware CAN interface and a fast 12-bit ADC, making it a versatile choice for bridging automotive or industrial networks to USB.

Applications

USB Peripherals
Legacy-free USB devices such as HID keyboards, mice, or custom data bridges that benefit from the internal 48 MHz oscillator (crystal-less operation).
Industrial Control Units
Small-scale automation nodes utilizing the integrated CAN 2.0B controller for robust communication in noisy environments.
Consumer Electronics
PC peripherals and smart home interfaces requiring a balance of low cost and integrated communication interfaces.

Getting Started

Engineers can begin development using the STM32CubeF0 software package and the Keil MDK, IAR EWARM, or GCC-based STM32CubeIDE. For hardware evaluation, the NUCLEO-F042K6 board provides a compatible header layout for rapid prototyping of USB and CAN functionality.

Dev Boards

Development boards and breakout modules featuring the STM32F042C6T6 or compatible chips — ready to use for prototyping.

NUCLEO-F031K6 STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-32 development board STM32F031K6 MCU, supports Arduino nano connect
Mouser 122 in stock
NUCLEO-F030R8 STMicroelectronics
STM32F030 Nucleo-64 STM32F0 ARM® Cortex®-M0 MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 647 in stock
NUCLEO-F072RB STMicroelectronics
STM32F072 Nucleo-64 STM32F0 ARM® Cortex®-M0 MCU 32-Bit Embedded Evaluation Board
424 in stock
STM32F072B-DISCO STMicroelectronics
STM32 F0 Discovery STM32F0 ARM® Cortex®-M0 MCU 32-Bit Embedded Evaluation Board
Digi-Key Mouser 332 in stock
STM32F072RBT6 STMicroelectronics
Very similar STM32F0 device commonly available on Nucleo boards; good for evaluation and quick prototyping.
Digi-Key 2,225 in stock
Part of STM32 family » STM32F042

STM32F042 Family

Part NumberDifferenceStock
STM32F042F6P6 TSSOP-20 2,250

Also Consider

STM32F072CBT6 STMicroelectronics - Offers larger 128 KB Flash memory and additional GPIO if the application exceeds the 32 KB limit of the F042.
ATSAMD21G18A-AUT MCHPMicrochip - An alternative Cortex-M0+ MCU with a highly flexible SERCOM architecture for additional serial interface requirements.