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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Tray | NULL
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 16KB (16K 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 STM8S105C4T6 is a mainstream 8-bit MCU from STMicroelectronics with an STM8 core at 16MHz. It includes 16KB flash and 2KB RAM in a 48-LQFP package. Operating from 2.95V to 5.5V, it offers robust peripherals for general-purpose embedded control.

  • 5V compatibility: Simplifies interfacing with legacy industrial logic.
  • 48-pin package: Ample I/O for complex control panels.
  • Proven STM8 core: Reliable architecture with extensive ecosystem.
  • Integrated safety: POR and WDT enhance system robustness.

Industrial Automation

5V operation and 16MHz STM8 core drive PLC I/O modules and sensors.

Consumer Appliances

PWM outputs control motor speed in blenders and vacuum cleaners.

Automotive Aftermarket

Wide voltage range handles 12V battery systems with voltage regulators.

Building Security

48-LQFP provides enough GPIO for keypad and alarm interfaces.

Power Supplies

Brown-out reset ensures safe startup in switch-mode power supplies.

Gaming Peripherals

Fast 16MHz core processes button inputs and LED effects in keyboards.

Q: What is the supply voltage?
A: 2.95V to 5.5V.
Q: What package is available?
A: 48-LQFP.
Q: How much flash memory?
A: 16KB.
Q: What is the operating temperature?
A: -40°C to 85°C.
Base Product Number : STM8S105C4
16KB flash 16MHz 48-LQFP 5V 8-bit MCU appliance industrial STM8
Q: What is the supply voltage?
A: 2.95V to 5.5V.
Q: What package is available?
A: 48-LQFP.
Q: How much flash memory?
A: 16KB.
Q: What is the operating temperature?
A: -40°C to 85°C.