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STM8L151K4T6

STM8L151K4T6

STMicroelectronics
STM8 STM8L EnergyLite Microcontroller IC 8-Bit 16MHz 16KB (16K x 8) FLASH 32-LQFP (7x7)
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Overview

The STM8L151K4T6 is an 8-bit EnergyLite microcontroller from STMicroelectronics designed for ultra-low-power applications. It features 16KB of flash memory, 2KB of RAM, and 1KB of true data EEPROM, operating on a wide voltage range from 1.8V to 3.6V. Its Harvard architecture and 3-stage pipeline provide efficient processing at up to 16MHz while maintaining a low current consumption of 1.3uA in Active-halt mode.

Why Choose This Part

This MCU offers a high degree of integration including 22 ADC channels and DMA, which reduces CPU overhead during data acquisition. It features five low-power modes, allowing engineers to fine-tune power consumption based on the application duty cycle. The inclusion of 1KB of true EEPROM simplifies non-volatile data storage without the complexity of flash wear-leveling algorithms.

Applications

Battery-Powered Sensors
Ideal for remote environmental or industrial sensors where low standby current (1.3uA Active-halt) is critical for multi-year battery life.
Handheld Medical Devices
Suitable for portable diagnostic tools using its 22-channel ADC and low-power modes to manage power between measurements.
Smart Utility Meters
Utilizes the integrated RTC, hardware CRC, and true EEPROM for secure and reliable data logging in water or gas meters.
Consumer Wearables
The 32-LQFP package and 30 I/O pins provide flexibility for simple user interfaces and sensor integration in space-constrained designs.

Key Specifications

Speed 16MHz
RAM Size 2K x 8
Core Size 8-Bit
EEPROM Size 1K x 8
Peripherals Brown-out Detect/Reset, DMA, IR, POR, PWM, WDT
Connectivity I2C, IrDA, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 30
Core Processor STM8
Package / Case 32-LQFP
Data Converters A/D 22x12b; D/A 1x12b
Oscillator Type Internal
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 32-LQFP (7x7)
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V

Getting Started

Development typically uses the ST-LINK/V2 debugger through the Single Wire Interface Module (SWIM). Engineers can use the ST Visual Develop (STVD) or IAR Embedded Workbench for STM8, along with the STM8L15x Standard Peripheral Library to accelerate firmware development. The STM8L1528-EVAL or similar discovery boards provide a hardware platform for rapid prototyping.

Also Consider

STM8L151C8T6 STMicroelectronics - Offers a larger 64KB flash memory and more I/O pins in a 48-LQFP package for more complex low-power designs.

Categories

Microcontrollers > STMicroelectronics Wearables & Medical > Ultra-Low Power MCUs