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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Tray |
Core Processor STM8
Core Size 8-Bit
Speed 16MHz
Connectivity 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 1K x 8
RAM Size 2K 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 STM8S105C6T3 is a cost-effective 8-bit microcontroller from STMicroelectronics, featuring a 16MHz STM8 core. It provides 32KB of flash and 2KB of RAM, operating from 2.95V to 5.5V. Packaged in a 48-LQFP, it includes brown-out reset, power-on reset, PWM, and watchdog timer. With an operating temperature range of -40°C to 125°C, it is well-suited for industrial and automotive applications where reliability and simplicity are key.

  • Cost-Efficient Design: Balances performance and price for high-volume consumer and industrial products.
  • Wide Voltage Operation: Supports 2.95V to 5.5V, easing power supply design.
  • Robust Protection: Integrated brown-out and watchdog features prevent system failures.
  • Extended Temperature: -40°C to 125°C rating ensures operation in harsh environments.

Consumer Appliance Control

The 16MHz STM8 core and 32KB flash are sufficient for washing machine or dishwasher control loops, with PWM for motor speed regulation.

Industrial Timers and Counters

With WDT and brown-out reset, it can serve as a reliable timer/counter in production line equipment, maintaining accuracy over wide temperature swings.

Automotive Aftermarket Sensors

Operating from 2.95V to 5.5V, it interfaces directly with automotive battery voltages, making it ideal for aftermarket parking sensors or alarm systems.

Smart Lighting Controllers

PWM outputs allow dimming and color control for LED lighting, while the 125°C rating supports high-temperature luminaire environments.

Battery-Powered Tools

Low power consumption and wide voltage range enable use in cordless drill controllers, with WDT ensuring safe operation under load.

HVAC Zone Controllers

The 32KB flash stores multiple zone profiles, and the robust I/O handles thermostat inputs and damper actuator outputs.

Q: What is the supply voltage range?
A: It operates from 2.95V to 5.5V.
Q: What is the maximum clock speed?
A: The STM8 core runs at up to 16MHz.
Q: How much flash and RAM are available?
A: It has 32KB of flash and 2KB of RAM.
Q: What package is used?
A: It comes in a 48-pin LQFP package.
Q: What temperature range is supported?
A: It is rated for -40°C to 125°C.
Base Product Number : STM8S105C6
-40 to 125C 16MHz 2KB RAM 32KB flash 8-bit MCU brown-out reset consumer industrial LQFP-48 PWM STM8 WDT
Q: What is the supply voltage range?
A: It operates from 2.95V to 5.5V.
Q: What is the maximum clock speed?
A: The STM8 core runs at up to 16MHz.
Q: How much flash and RAM are available?
A: It has 32KB of flash and 2KB of RAM.
Q: What package is used?
A: It comes in a 48-pin LQFP package.
Q: What temperature range is supported?
A: It is rated for -40°C to 125°C.