STMicroelectronics STM8AL3L48TAY

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8A
Packaging Tray | NULL
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 41
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters A/D 25x12b; D/A 1x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STMicroelectronics STM8AL3L48TAY is an 8-bit STM8 MCU in a 48-LQFP package. It runs at 16MHz with 16KB flash and 2KB RAM, supporting 1.65V to 3.6V. Integrated DMA, PWM, and WDT make it a versatile choice for automotive and industrial applications.

  • Low 1.65V operation – Enables single-cell battery designs.
  • 48-pin LQFP – Provides ample I/O for complex systems.
  • DMA controller – Reduces CPU load for data-intensive tasks.
  • Automotive-grade temperature range – Reliable from -40°C to 85°C.

Automotive Lighting Control

The 1.65V minimum supply and 16MHz STM8 core enable efficient LED matrix control in headlamps or taillights.

Industrial Sensor Arrays

With 48 pins and DMA, it can read multiple analog sensors simultaneously in factory automation systems.

Smart Battery Packs

Low-voltage operation and PWM support cell balancing and fuel gauging in power tool batteries.

Building Automation

Wide voltage range and robust reset circuitry suit HVAC damper controllers or occupancy sensors.

Portable Medical Monitors

The 48-LQFP allows integration of display and keypad interfaces for handheld patient monitors.

Metering Infrastructure

DMA and low power make it suitable for smart gas or water meters with long battery life.

Q: What core does the STM8AL3L48TAY use?
A: It uses the STM8 core running at 16MHz.
Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V.
Q: How much flash and RAM are available?
A: It has 16KB flash and 2KB RAM.
Q: What package is it in?
A: It comes in a 48-LQFP package.
Q: Does it support DMA?
A: Yes, it includes DMA, PWM, and WDT.
Base Product Number : STM8AL3L48
16MHz 8-bit MCU automotive DMA industrial low voltage LQFP PWM STM8 STM8AL
Q: What core does the STM8AL3L48TAY use?
A: It uses the STM8 core running at 16MHz.
Q: What is the supply voltage range?
A: It operates from 1.65V to 3.6V.
Q: How much flash and RAM are available?
A: It has 16KB flash and 2KB RAM.
Q: What package is it in?
A: It comes in a 48-LQFP package.
Q: Does it support DMA?
A: Yes, it includes DMA, PWM, and WDT.