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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8L EnergyLite
Packaging Tray |
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 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 22x12b; 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 STM8L151K6U6 is a low-power 8-bit microcontroller from STMicroelectronics, featuring a 16MHz STM8 core. With 32KB Flash and 2KB RAM, it is designed for energy-efficient applications. Its rich analog peripherals, including a 22-channel 12-bit ADC and 12-bit DAC, make it perfect for sensor interfacing. Operating from 1.8V to 3.6V, it excels in battery-powered devices, while the internal oscillator reduces external components.

  • Ultra-Low Power: Multiple low-power modes and a wide voltage range (1.8V-3.6V) extend battery life in portable devices.
  • High-Resolution Analog: 22-channel 12-bit ADC and 12-bit DAC provide precise analog measurement and output.
  • Efficient DMA: Reduces CPU overhead for data transfers, improving system efficiency.
  • Compact Package: The 32-UFQFPN package is ideal for space-constrained designs.
  • Integrated Oscillator: Internal oscillator simplifies design and reduces BOM cost.

Battery-Powered IoT Devices

In wireless sensor nodes, the STM8L151K6's low-power modes and 1.8V-3.6V range extend battery life, while the 12-bit ADC ensures accurate sensor data acquisition.

Medical Instruments

For portable glucose meters and thermometers, the MCU's low power and high-resolution ADC provide reliable measurements with minimal energy consumption.

Smart Home Controllers

In smart lighting and HVAC controllers, the PWM outputs and DAC enable smooth dimming and temperature control, while the compact UFQFPN-32 package fits small enclosures.

Industrial Data Loggers

With its DMA and multiple communication interfaces, it efficiently logs data from various sensors in industrial environments, operating reliably over a wide temperature range.

Wearable Devices

The low power consumption and small package make it suitable for fitness trackers and smartwatches, providing long battery life and essential processing capabilities.

Q: What is the core architecture of the STM8L151K6U6?
A: It uses the STM8 8-bit core, designed for low power and high efficiency.
Q: What is the maximum operating frequency?
A: The MCU operates at up to 16MHz, balancing performance and power consumption.
Q: What is the operating voltage range?
A: It operates from 1.8V to 3.6V, ideal for battery-powered applications.
Q: How much Flash and RAM does it have?
A: It includes 32KB of Flash and 2KB of RAM, sufficient for moderate applications.
Q: What peripherals are available?
A: It features 22-channel 12-bit ADC, 1-channel 12-bit DAC, DMA, PWM, and multiple communication interfaces.
Q: What are typical applications?
A: Ideal for low-power IoT devices, medical instruments, and portable consumer electronics.
Base Product Number : STM8L151K6
12-bit ADC 12-bit DAC 16MHz 2KB RAM 32KB Flash 8-bit DMA IoT Low Power MCU Medical PWM STM8 STMicroelectronics UFQFPN-32
Q: What is the core architecture of the STM8L151K6U6?
A: It uses the STM8 8-bit core, designed for low power and high efficiency.
Q: What is the maximum operating frequency?
A: The MCU operates at up to 16MHz, balancing performance and power consumption.
Q: What is the operating voltage range?
A: It operates from 1.8V to 3.6V, ideal for battery-powered applications.
Q: How much Flash and RAM does it have?
A: It includes 32KB of Flash and 2KB of RAM, sufficient for moderate applications.
Q: What peripherals are available?
A: It features 22-channel 12-bit ADC, 1-channel 12-bit DAC, DMA, PWM, and multiple communication interfaces.
Q: What are typical applications?
A: Ideal for low-power IoT devices, medical instruments, and portable consumer electronics.