STMicroelectronics STM32F042K4T6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F0
Packaging Tape & Reel (TR) | NULL
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity CANbus, HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART, USB
Peripherals DMA, I2S, POR, PWM, WDT
Number of I/O 26
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 6K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 13x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-LQFP (7x7)
Package / Case 32-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F042K4T6TR from STMicroelectronics is a 32-bit MCU based on the ARM Cortex-M0 core, running at 48MHz. It provides 16KB flash and 6KB RAM in a 32-LQFP package. With USB 2.0 FS, DMA, I2S, POR, PWM, and WDT, it is designed for cost-sensitive embedded applications requiring connectivity and real-time control.

  • Integrated USB 2.0 FS controller eliminates external PHY, reducing BOM cost.
  • ARM Cortex-M0 core offers a balance of performance and power efficiency at 48MHz.
  • DMA and I2S support high-throughput data transfer for audio and sensor applications.
  • Wide operating temperature range (-40°C to 85°C) ensures reliability in industrial environments.

USB Peripheral Controllers

The STM32F042K4T6TR includes USB 2.0 FS device controller, enabling simple HID or CDC implementations without external PHY.

Industrial Sensor Hubs

With DMA and I2S, it can aggregate multiple sensor data streams and forward via UART or SPI at 48MHz.

Battery-Powered IoT Nodes

Low 2V minimum voltage and multiple low-power modes extend battery life in wireless sensor nodes.

Motor Control for Drones

PWM timers with dead-time generation support ESC (Electronic Speed Controller) designs for small brushless motors.

Smart Lighting Systems

I2S interface allows direct connection to digital LED drivers or audio modules for synchronized lighting effects.

Q: What core does the STM32F042K4T6TR use?
A: It uses the ARM Cortex-M0 core running at up to 48MHz.
Q: What is the supply voltage range?
A: The device operates from 2V to 3.6V, suitable for low-power applications.
Q: How much flash and RAM are available?
A: It has 16KB flash and 6KB RAM, sufficient for small embedded applications.
Q: What package is this part offered in?
A: It comes in a 32-LQFP package, providing good I/O availability.
Base Product Number : STM32F042K4
16KB flash 32-bit MCU 48MHz 6KB RAM ARM Cortex-M0 industrial IoT LQFP-32 PWM USB
Q: What core does the STM32F042K4T6TR use?
A: It uses the ARM Cortex-M0 core running at up to 48MHz.
Q: What is the supply voltage range?
A: The device operates from 2V to 3.6V, suitable for low-power applications.
Q: How much flash and RAM are available?
A: It has 16KB flash and 6KB RAM, sufficient for small embedded applications.
Q: What package is this part offered in?
A: It comes in a 32-LQFP package, providing good I/O availability.