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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 26
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 18x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 28-UFQFPN (4x4)
Package / Case 28-UFQFN
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM8L151G3 is an ultra-low-power 8-bit MCU with an STM8 core at 16MHz. It provides 8KB flash and 1KB RAM. Features include DMA, IR timer, PWM, and multiple reset sources. The 28-UFQFN package is ideal for compact, battery-operated devices.

  • Ultra-low-power architecture: multiple low-power modes extend battery life.
  • Integrated DMA: reduces CPU overhead for peripheral data transfers.
  • Compact 28-UFQFN: saves PCB space in portable designs.
  • Rich analog and timer peripherals: simplifies sensor and motor control.

Low-Power Industrial Sensors

With 1.8V operation and multiple low-power modes, it suits battery-powered pressure or flow sensors.

Portable Consumer Electronics

The 28-UFQFN package and 16MHz speed enable compact remote controls or toys.

Infrared Remote Receivers

Integrated IR timer and PWM support decoding and encoding IR protocols.

Smart Metering

DMA and low-power features allow efficient data logging in gas or water meters.

Automotive Body Electronics

Its robust I/O and WDT make it reliable for window lift or mirror control modules.

Medical Monitoring Devices

Low power and small size fit wearable heart-rate or temperature monitors.

Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V, suitable for low-power applications.
Q: What is the core architecture?
A: It uses the STM8 8-bit core running at up to 16MHz.
Q: How much flash memory is available?
A: It has 8KB of program flash and 1KB of RAM.
Q: What package is this offered in?
A: It comes in a 28-UFQFN package, compact for portable designs.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for efficient data transfer.
Base Product Number : STM8L151G3
16MHz 8-bit MCU 8KB flash DMA industrial IR medical PWM STM8 UFQFN-28 ultra-low-power
Q: What is the supply voltage range?
A: It operates from 1.8V to 3.6V, suitable for low-power applications.
Q: What is the core architecture?
A: It uses the STM8 8-bit core running at up to 16MHz.
Q: How much flash memory is available?
A: It has 8KB of program flash and 1KB of RAM.
Q: What package is this offered in?
A: It comes in a 28-UFQFN package, compact for portable designs.
Q: Does it support DMA?
A: Yes, it includes a DMA controller for efficient data transfer.