STMicroelectronics STM32F051K4U6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32F0
Packaging Tray |
Core Processor ARM® Cortex®-M0
Core Size 32-Bit Single-Core
Speed 48MHz
Connectivity HDMI-CEC, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals DMA, I2S, POR, PWM, WDT
Number of I/O 27
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 2V ~ 3.6V
Data Converters A/D 13x12b; D/A 1x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°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 STM32F051K4U6 is a compact 32-bit ARM Cortex-M0 microcontroller from STMicroelectronics, operating at 48MHz. It provides 16KB Flash and 8K RAM, with I2S, DMA, PWM, and WDT. The 32-UFQFN package with exposed pad is perfect for miniaturized, thermally efficient designs.

  • Ultra-Compact Package: 32-UFQFN with exposed pad minimizes PCB area and improves heat dissipation.
  • High RAM-to-Flash Ratio: 8K RAM for 16KB Flash supports data-intensive applications.
  • Versatile Peripherals: Includes I2S, DMA, and PWM for diverse functionality.
  • Low Power Design: Suitable for battery-operated devices with 2V-3.6V operation.

Wearable Devices

The ultra-compact UFQFN package and low power consumption make it ideal for fitness trackers and smartwatches.

Sensor Nodes

With 16KB Flash and 8K RAM, it can handle basic sensor processing and communication in wireless networks.

Small Appliances

PWM and timers enable control of small motors and heaters in coffee makers and blenders.

Medical Wearables

Reliable operation and small size support continuous glucose monitors and heart rate monitors.

Smart Accessories

I2S allows audio feedback in smart jewelry or keychains.

Prototyping

The exposed pad package aids thermal management during development of compact prototypes.

Q: What is the core architecture?
A: It is based on the ARM Cortex-M0 32-bit core, running at 48MHz.
Q: What is the Flash memory size?
A: It has 16KB of Flash (16K x 8).
Q: How much RAM is available?
A: It has 8K x 8 bytes of SRAM.
Q: Does it include I2S?
A: Yes, it features I2S, DMA, POR, PWM, and WDT.
Q: What package is used?
A: It comes in a 32-UFQFN Exposed Pad package.
Base Product Number : STM32F051K4
16KB Flash 32-bit MCU 48MHz ARM Cortex-M0 DMA I2S Medical PWM STM32F0 UFQFN-32 Wearable
Q: What is the core architecture?
A: It is based on the ARM Cortex-M0 32-bit core, running at 48MHz.
Q: What is the Flash memory size?
A: It has 16KB of Flash (16K x 8).
Q: How much RAM is available?
A: It has 8K x 8 bytes of SRAM.
Q: Does it include I2S?
A: Yes, it features I2S, DMA, POR, PWM, and WDT.
Q: What package is used?
A: It comes in a 32-UFQFN Exposed Pad package.