STMicroelectronics STM8L151K3U3TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8L EnergyLite
Packaging Tape & Reel (TR) | 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 STM8L151K3U3TR is a low-power 8-bit microcontroller from STMicroelectronics, featuring an STM8 core running at 16MHz. It provides 8KB of flash memory and 1KB of RAM, operating from 1.8V to 3.6V. This device integrates essential peripherals like DMA, PWM, and a watchdog timer, all in a compact 32-UFQFN package. Its extended temperature range makes it a robust choice for demanding embedded applications.

  • Ultra-low power consumption: Optimized for battery life with 1.8V operation and low-power modes.
  • High-temperature tolerance: Operates up to 125°C, suitable for industrial and automotive environments.
  • Compact footprint: 32-UFQFN package saves PCB space for space-constrained designs.
  • Integrated peripherals: DMA and PWM reduce CPU load and enable efficient motor control.

Low-Power Sensor Nodes

With 1.8V operation and multiple low-power modes, this MCU is ideal for battery-powered environmental sensors that require long sleep intervals and periodic wake-ups.

Portable Medical Devices

The wide temperature range and low voltage support wearable health monitors and diagnostic tools that must operate reliably in varying conditions.

Industrial Control Panels

DMA and PWM peripherals enable efficient control of motors and actuators in industrial automation, while the 125°C rating suits harsh environments.

Smart Home Controllers

IR support and PWM allow for remote control and dimming functions in smart lighting and HVAC systems, with low power draw for always-on operation.

Automotive Body Electronics

The extended temperature range and robust reset features make it suitable for interior lighting control and seat adjustment modules.

Security Systems

Brown-out detection and watchdog timer ensure reliable operation in alarm panels and access control units, preventing system lockups.

Q: What is the operating voltage range of the STM8L151K3U3TR?
A: It operates from 1.8V to 3.6V, suitable for low-power battery applications.
Q: What is the maximum CPU speed?
A: The STM8 core runs at up to 16MHz.
Q: How much flash memory does it have?
A: It includes 8KB of program flash memory.
Q: What package is available?
A: It comes in a 32-UFQFN exposed pad package.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C.
Base Product Number : STM8L151K3
16MHz 8-bit MCU 8KB flash automotive DMA industrial low-power PWM STM8 UFQFN-32
Q: What is the operating voltage range of the STM8L151K3U3TR?
A: It operates from 1.8V to 3.6V, suitable for low-power battery applications.
Q: What is the maximum CPU speed?
A: The STM8 core runs at up to 16MHz.
Q: How much flash memory does it have?
A: It includes 8KB of program flash memory.
Q: What package is available?
A: It comes in a 32-UFQFN exposed pad package.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C.