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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 8KB (8K 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 ~ 125°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 STM8L151K3 is a low-power 8-bit MCU from STMicroelectronics. It features an STM8 core running at 16MHz with 8KB flash and 1KB RAM. The device includes DMA, multiple timers, and analog peripherals, supporting extended temperature ranges.

  • Extended temperature range up to 125°C.
  • DMA controller reduces CPU load.
  • Low-power design for battery operation.
  • Rich peripheral set in a small QFN package.

Automotive Sensors

Operate at 125°C for under-hood sensing applications.

Industrial Control

Use DMA for efficient data transfer in control loops.

Medical Devices

Low-power operation for portable diagnostic tools.

Smart Meters

Handle metering calculations with 16MHz core.

Building Automation

Control HVAC actuators with PWM outputs.

Safety Systems

Implement redundant monitoring with WDT and brown-out reset.

Q: What is the core?
A: STM8 8-bit core.
Q: What is the max temperature?
A: 125°C.
Q: What package?
A: 32-UFQFN exposed pad.
Q: Does it have DMA?
A: Yes, DMA included.
Base Product Number : STM8L151K3
16MHz 32-UFQFN 8-bit MCU automotive DMA industrial low power STM8 STM8L151
Q: What is the core?
A: STM8 8-bit core.
Q: What is the max temperature?
A: 125°C.
Q: What package?
A: 32-UFQFN exposed pad.
Q: Does it have DMA?
A: Yes, DMA included.