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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 ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package -
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8S105C6T6 from STMicroelectronics is a high-performance 8-bit microcontroller built on the advanced STM8 core. It delivers 16MHz processing speed with 32KB of flash memory and 2KB of RAM. Operating from 2.95V to 5.5V, it integrates essential peripherals including PWM timers, watchdog, and brown-out reset. Housed in a compact 48-LQFP package, it is engineered for reliable operation across -40°C to 85°C, making it ideal for cost-sensitive industrial and consumer applications.

  • Wide voltage range (2.95V-5.5V): Directly interfaces with legacy 5V sensors and actuators without level shifters.
  • Robust protection features: Integrated POR, BOR, and WDT enhance system reliability in noisy environments.
  • Efficient 16MHz core: Delivers 16 MIPS throughput for real-time control loops.
  • 48-pin LQFP package: Offers up to 38 I/O pins for complex peripheral management.

Industrial Control Panels

The 5V-tolerant I/Os and 16MHz core handle relay and contactor logic directly, reducing external level-shifting components.

Power Supply Management

With integrated PWM and brown-out reset, it provides reliable sequencing and fault handling in AC-DC and DC-DC converters.

Automotive Body Electronics (Non-Safety)

The -40°C to 85°C range and robust I/O structure suit window lift or mirror control modules in passenger vehicles.

HVAC Thermostats

Its 32KB flash stores complex calibration curves, while the 5V supply simplifies interfacing with analog temperature sensors.

Smart Meters

Low-power WDT and brown-out detection ensure tamper-proof operation and reliable data logging in utility meters.

Consumer Appliances

Direct 5V operation and PWM outputs drive triacs or relays in washing machines and microwave ovens without extra drivers.

Q: What is the operating voltage range of the STM8S105C6T6?
A: The STM8S105C6T6 operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
Q: How much flash memory does this MCU have?
A: It features 32KB of program flash memory and 2KB of RAM.
Q: What package is the STM8S105C6T6 available in?
A: It comes in a 48-pin LQFP package.
Q: Does it include a watchdog timer?
A: Yes, it includes a WDT along with POR, PWM, and brown-out detection.
Base Product Number : STM8S105C6
16MHz 2KB RAM 32KB flash 48-LQFP 8-bit MCU automotive brown-out reset industrial control PWM STM8 core STM8S105
Q: What is the operating voltage range of the STM8S105C6T6?
A: The STM8S105C6T6 operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
Q: How much flash memory does this MCU have?
A: It features 32KB of program flash memory and 2KB of RAM.
Q: What package is the STM8S105C6T6 available in?
A: It comes in a 48-pin LQFP package.
Q: Does it include a watchdog timer?
A: Yes, it includes a WDT along with POR, PWM, and brown-out detection.