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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Tray | NULL
Core Processor STM8
Core Size 8-Bit
Speed 24MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O 38
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 6K x 8
Voltage - Supply (Vcc/Vdd) 2.95V ~ 5.5V
Data Converters A/D 10x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°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 STM8S208C6T3 from STMicroelectronics is a high-performance 8-bit microcontroller built on the advanced STM8 core. It delivers 24MHz processing speed with 32KB flash memory and 6KB RAM, ensuring ample resources for complex control algorithms. Its wide 2.95V to 5.5V supply range simplifies power design, while integrated protection features like brown-out reset and watchdog enhance system reliability. Housed in a compact 48-LQFP package, it is engineered for demanding industrial and automotive applications.

  • Wide voltage range (2.95V-5.5V): Directly interfaces with 5V sensors and actuators without level shifters.
  • High-temperature tolerance (125°C): Operates reliably in engine compartments and industrial ovens.
  • Integrated WDT and brown-out reset: Prevents system lockups and data corruption in noisy environments.
  • 24MHz STM8 core: Executes control loops faster than typical 8-bit MCUs, improving response time.

Industrial Motor Control

With 24MHz STM8 core, PWM timers, and 5V operation, it drives brushless DC motors with precise speed control in factory automation.

Automotive Body Electronics

The 125°C rating and brown-out reset ensure reliable operation in engine bay modules like window lifters and wiper controls.

Smart Sensors

6KB RAM and 32KB flash allow local data processing for temperature or pressure sensors with CAN communication.

Power Supply Management

Its 5.5V input tolerance and WDT make it ideal for monitoring and sequencing in industrial power supplies.

HVAC Controllers

Robust I/O and PWM outputs control fans and valves in building management systems with wide voltage tolerance.

Battery-Powered Tools

Low-power modes and 2.95V minimum voltage extend runtime in cordless drills and screwdrivers.

Q: What is the operating voltage range of the STM8S208C6T3?
A: It operates from 2.95V to 5.5V, making it suitable for industrial and automotive power rails.
Q: What is the maximum CPU speed?
A: The STM8 core runs at up to 24MHz, providing efficient processing for control applications.
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with POR and brown-out reset for reliable operation.
Q: What package is available?
A: It comes in a 48-LQFP package, ideal for compact PCB designs.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C, suitable for harsh environments.
Base Product Number : STM8S208C6
-40°C to 125°C 24MHz 32KB flash 48-LQFP 6KB RAM 8-bit MCU automotive industrial PWM STM8 core WDT
Q: What is the operating voltage range of the STM8S208C6T3?
A: It operates from 2.95V to 5.5V, making it suitable for industrial and automotive power rails.
Q: What is the maximum CPU speed?
A: The STM8 core runs at up to 24MHz, providing efficient processing for control applications.
Q: Does it include a watchdog timer?
A: Yes, it features a WDT along with POR and brown-out reset for reliable operation.
Q: What package is available?
A: It comes in a 48-LQFP package, ideal for compact PCB designs.
Q: What is the temperature range?
A: It is rated for -40°C to 125°C, suitable for harsh environments.