STMicroelectronics STM32F042K6U7

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F0
Packaging Tray | 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 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 6K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters A/D 13x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-UFQFPN (5x5)
Package / Case 32-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32F042K6U7 from STMicroelectronics is a 32-bit ARM Cortex-M0 MCU running at 48MHz. It offers 32KB flash and 6KB RAM in a compact 32-UFQFN package. With USB, I2S, DMA, and PWM, it is ideal for cost-sensitive embedded applications requiring high temperature tolerance.

  • ARM Cortex-M0 core: Industry-standard architecture with broad toolchain support.
  • Integrated USB 2.0 FS: Reduces BOM cost for USB-enabled devices.
  • Wide temperature range (-40°C to 105°C): Suitable for harsh environments.
  • Compact 32-UFQFN package: Saves PCB space for miniaturized designs.

USB Peripheral Devices

With integrated USB 2.0 FS and DMA, it serves as a cost-effective bridge for keyboards, mice, and game controllers.

Industrial Sensor Hubs

The 48MHz Cortex-M0 and 6KB RAM handle multiple analog/digital sensors, aggregating data for PLC communication.

Consumer Electronics

I2S interface enables audio processing in smart speakers or voice assistants, while PWM drives LED indicators.

Automotive Aftermarket

Operating at 105°C, it suits engine bay sensors, tire pressure monitors, and CAN bus nodes with WDT for safety.

Portable Instrumentation

Low power consumption and 1.65V operation allow battery-powered multimeters and data loggers with long life.

IoT Edge Nodes

Compact 32-UFQFN package and DMA support efficient MQTT/CoAP communication in smart building sensors.

Q: What core does the STM32F042K6U7 use?
A: It is based on the ARM Cortex-M0 32-bit processor.
Q: What is the maximum operating frequency?
A: It runs at up to 48MHz.
Q: What is the flash memory size?
A: It has 32KB of flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.
Q: What package is available?
A: It comes in a 32-UFQFN package with exposed pad.
Base Product Number : STM32F042K6
32-bit MCU 32-UFQFN 32KB Flash 48MHz 6KB RAM ARM Cortex-M0 Consumer DMA I2S Industrial IoT PWM STM32 USB
Q: What core does the STM32F042K6U7 use?
A: It is based on the ARM Cortex-M0 32-bit processor.
Q: What is the maximum operating frequency?
A: It runs at up to 48MHz.
Q: What is the flash memory size?
A: It has 32KB of flash memory.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C.
Q: What package is available?
A: It comes in a 32-UFQFN package with exposed pad.