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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Tube |
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 16
Program Memory Size 4KB (4K x 8)
Program Memory Type FLASH
EEPROM Size 640 x 8
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 2.95V ~ 5.5V
Data Converters A/D 5x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM8S103F2P6 from STMicroelectronics is an 8-bit MCU with a 16MHz STM8 core. It provides 4KB flash and 1KB RAM, operating from 2.95V to 5.5V. Housed in a 20-TSSOP package, it includes PWM, WDT, and brown-out detection for cost-effective embedded control.

  • Wide voltage range: 2.95-5.5V simplifies power design in noisy environments.
  • High integration: PWM, WDT, and POR reduce external components.
  • Proven STM8 core: Reliable 8-bit performance at 16MHz.
  • Industrial temperature range: -40°C to 85°C for harsh conditions.
  • Compact TSSOP-20: Suitable for space-limited PCBs.

Industrial Control Panels

5V operation and 4KB flash handle relay logic and HMI interfaces in PLCs.

Automotive Body Electronics

Wide voltage tolerance and WDT ensure reliable window lift and mirror control.

Power Supply Management

PWM outputs regulate buck converters in AC-DC adapters and chargers.

Consumer Appliances

20-TSSOP package fits washing machine timers and microwave keypads.

Lighting Systems

16MHz speed enables DALI or DMX512 protocol in smart LED drivers.

Security Systems

Brown-out reset and POR maintain integrity in alarm panels and access readers.

Q: What is the supply voltage range?
A: 2.95V to 5.5V.
Q: What is the core architecture?
A: STM8 8-bit core at 16MHz.
Q: How much flash memory is available?
A: 4KB flash and 1KB RAM.
Q: What package does it come in?
A: 20-TSSOP.
Q: Does it have PWM and WDT?
A: Yes, both are integrated.
Base Product Number : STM8S103F2
16MHz 4KB flash 8-bit MCU automotive consumer industrial PWM STM8 STM8S103 TSSOP-20 WDT
Q: What is the supply voltage range?
A: 2.95V to 5.5V.
Q: What is the core architecture?
A: STM8 8-bit core at 16MHz.
Q: How much flash memory is available?
A: 4KB flash and 1KB RAM.
Q: What package does it come in?
A: 20-TSSOP.
Q: Does it have PWM and WDT?
A: Yes, both are integrated.