STMicroelectronics STM8S103F2P3TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM8S
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 ~ 125°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 STM8S103F2P3TR from STMicroelectronics is a cost-effective 8-bit microcontroller built on the robust STM8 core. It delivers 16MHz performance with 4KB flash and 1KB RAM in a compact 20-TSSOP package. Designed for industrial and consumer applications, it operates across a wide voltage range and includes essential safety features like brown-out reset and watchdog timer.

  • Wide voltage range (2.95V-5.5V): Simplifies power supply design and supports legacy 5V logic.
  • High-temperature tolerance (-40°C to 125°C): Enables use in demanding automotive and industrial environments.
  • Integrated safety features (BOR, POR, WDT): Improves system reliability without external components.
  • Compact TSSOP-20 package: Saves PCB space for space-constrained designs.

Industrial Sensor Interfaces

With a 16MHz STM8 core and 5V tolerant I/O, this MCU can directly interface with industrial sensors and actuators without level shifting, simplifying BOM.

Power Management Controllers

The integrated PWM and brown-out reset ensure reliable operation in power supply sequencing and monitoring applications, maintaining system stability during voltage dips.

Consumer Appliance Control

Its 4KB flash and 1KB RAM are sufficient for motor control loops in small appliances, while the WDT enhances safety compliance.

Automotive Body Electronics

Rated for -40°C to 125°C, it handles harsh under-hood environments for lighting or window lift control modules.

Battery-Powered Devices

The low-power STM8 core with multiple sleep modes extends battery life in portable monitoring tools.

Simple Human-Machine Interfaces

GPIO and PWM capabilities drive LEDs and buzzers for user feedback in control panels.

Q: What is the operating voltage range of the STM8S103F2P3TR?
A: It operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
Q: What is the maximum clock speed?
A: The core runs at up to 16MHz.
Q: How much flash memory does it have?
A: It includes 4KB of program flash memory.
Q: What package is available?
A: It comes in a 20-pin TSSOP package.
Q: What are the key integrated features?
A: It features brown-out detection, power-on reset, PWM, and a watchdog timer.
Base Product Number : STM8S103F2P3
16MHz 4KB Flash 8-bit MCU Automotive Industrial PWM STM8 STM8S103F2P3TR TSSOP-20 WDT
Q: What is the operating voltage range of the STM8S103F2P3TR?
A: It operates from 2.95V to 5.5V, making it suitable for 3.3V and 5V systems.
Q: What is the maximum clock speed?
A: The core runs at up to 16MHz.
Q: How much flash memory does it have?
A: It includes 4KB of program flash memory.
Q: What package is available?
A: It comes in a 20-pin TSSOP package.
Q: What are the key integrated features?
A: It features brown-out detection, power-on reset, PWM, and a watchdog timer.