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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Tray |
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 52
Program Memory Size 128KB (128K 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 16x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8S208RBT6 is an 8-bit MCU from STMicroelectronics with 128KB flash and 6KB RAM. It runs at 24MHz with a 2.95-5.5V supply, packaged in a 64-LQFP. Designed for industrial control, it includes PWM, WDT, and brown-out reset.

  • Large 128KB flash: supports complex firmware and data logging.
  • 5V tolerant I/O: direct interface with legacy industrial logic.
  • 24MHz performance: faster than typical 8-bit MCUs.
  • 64-pin package: rich GPIO for multi-channel applications.

Industrial Automation I/O Modules

128KB flash and 6KB RAM handle complex protocols; 5V operation simplifies sensor interfacing.

Power Supply Controllers

PWM and WDT ensure stable regulation and fault recovery.

HVAC Zone Controllers

64-pin LQFP provides ample GPIO for multi-sensor inputs.

Smart Metering

Robust brown-out detection maintains data integrity in noisy environments.

Motor Control for Pumps

24MHz speed enables efficient 8-bit motor commutation.

Building Security Panels

Large memory supports event logging and remote updates.

Q: What is the core architecture?
A: STM8 8-bit core.
Q: Max clock speed?
A: 24MHz.
Q: Flash size?
A: 128KB.
Q: Package?
A: 64-LQFP.
Base Product Number : STM8S208RB
128KB flash 24MHz 64-LQFP 8-bit MCU industrial motor control PWM STM8
Q: What is the core architecture?
A: STM8 8-bit core.
Q: Max clock speed?
A: 24MHz.
Q: Flash size?
A: 128KB.
Q: Package?
A: 64-LQFP.