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STM32F042F6P6

STM32F042F6P6

STMicroelectronics
ARM® Cortex®-M0 STM32F0 Microcontroller IC 32-Bit 48MHz 32KB (32K x 8) FLASH 20-TSSOP
Active2,250 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The STM32F042F6P6 is a 32-bit ARM Cortex-M0 microcontroller designed for entry-level applications requiring CAN and USB 2.0 connectivity in a compact footprint. It operates at 48MHz and features a crystal-less USB implementation, reducing external component count for space-constrained designs. With 32KB of Flash and 6KB of RAM, it provides a balanced feature set for small-scale industrial and consumer peripherals.

Why Choose This Part

This MCU stands out by offering both CAN and USB 2.0 FS support in a small 20-pin TSSOP package. Its internal 48MHz oscillator features automatic trimming from USB synchronization, eliminating the need for an external crystal. Additionally, it supports a wide supply range from 2V to 3.6V and includes 5V-tolerant I/O, simplifying integration with legacy logic levels.

Applications

USB Peripheral Devices
Ideal for USB mice, keyboards, and custom HID devices using the crystal-less USB 2.0 full-speed interface.
Industrial CAN Nodes
Serves as a cost-effective node in CANbus networks for sensor monitoring or actuator control.
Capacitive Touch Interfaces
Utilizes integrated capacitive sensing channels for implementing touch buttons and sliders.
Smart Lighting Controllers
Manages LED arrays and power stages using its PWM timers and 12-bit ADC for feedback loops.

Key Specifications

Speed 48MHz
RAM Size 6K x 8
Core Size 32-Bit
Peripherals DMA, I2S, POR, PWM, WDT
Connectivity CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 16
Core Processor ARM Cortex-M0
Package / Case 20-TSSOP (0.173", 4.40mm Width)
Data Converters A/D 12x12b
Oscillator Type Internal
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 20-TSSOP
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V

Getting Started

Developers can begin by using the STM32CubeF0 software package and the STM32CubeIDE for full firmware development. For hardware evaluation, the NUCLEO-F042K6 board provides a compatible environment, though in a different package format. Programming is typically handled via the ST-LINK/V2 or ST-LINK/V3 debugger through the Serial Wire Debug (SWD) interface.

Dev Boards

Development boards and breakout modules featuring the STM32F042F6P6 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

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package ADC/DAC Stock
STM32F042F6P6 (this part) 16 TSSOP-20 A/D 12x12b 2,250
STM32F042K6T6 26 LQFP-32 A/D 13x12b 6,319
STM32F042G6U6 24 UFQFN-28 A/D 13x12b 36,307
Also available as: STM32F042C6T6

Also Consider

STM32L052K6T6 STMicroelectronics - An ultra-low-power alternative based on the Cortex-M0+ core for battery-operated applications requiring USB connectivity.
ATSAMD21E18A-AU MCHPMicrochip Technology - Provides a Cortex-M0+ core with significantly more Flash (256KB) and RAM (32KB) while maintaining USB 2.0 host and device support.