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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8L EnergyLite
Packaging Tray | NULL
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT
Number of I/O 30
Program Memory Size 4KB (4K x 8)
Program Memory Type FLASH
EEPROM Size 256 x 8
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 23x12b
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 STM8L151K2U6 from STMicroelectronics is an ultra-low-power 8-bit MCU based on the STM8 core. It runs at 16MHz with 4KB flash and 1K RAM. The device features DMA, IR, POR, PWM, and WDT for efficient operation. Its 1.8V to 3.6V supply and 32-UFQFN package make it perfect for portable and battery-powered applications.

  • Ultra-low-power design extends battery life.
  • DMA offloads CPU for efficient data transfer.
  • Compact 32-UFQFN for space-constrained designs.
  • Integrated IR support for remote control applications.

Battery-Powered IoT Sensors

Low 1.8V operation and DMA reduce power consumption in wireless nodes.

Portable Medical Devices

Compact 32-UFQFN and 4KB flash fit glucose meters and thermometers.

Smart Lighting

PWM outputs drive LED dimming with 16MHz precision.

Industrial Sensors

WDT and POR ensure reliable operation in harsh environments.

Consumer Wearables

Low power and small size enable fitness trackers.

Home Automation

IR support allows remote control decoding in smart switches.

Q: What is the core architecture?
A: STM8 8-bit core running at 16MHz.
Q: What is the supply voltage?
A: 1.8V to 3.6V, optimized for low power.
Q: How much flash and RAM?
A: 4KB flash and 1K x 8 RAM.
Q: What package is available?
A: 32-UFQFN exposed pad.
Q: Does it support DMA?
A: Yes, includes DMA, IR, POR, PWM, and WDT.
Base Product Number : STM8L151K2
16MHz 32-UFQFN 4KB Flash 8-bit MCU DMA IoT IR Low Power POR PWM STM8 WDT
Q: What is the core architecture?
A: STM8 8-bit core running at 16MHz.
Q: What is the supply voltage?
A: 1.8V to 3.6V, optimized for low power.
Q: How much flash and RAM?
A: 4KB flash and 1K x 8 RAM.
Q: What package is available?
A: 32-UFQFN exposed pad.
Q: Does it support DMA?
A: Yes, includes DMA, IR, POR, PWM, and WDT.