| Parameters | |
|---|---|
| Series | STM8S | 
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 
| RoHS Status | ROHS3 Compliant | 
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 
| Mfr | STMicroelectronics | 
| Mounting Type | Surface Mount | 
| Operating Temperature | -40°C ~ 85°C (TA) | 
| Supplier Device Package | 20-TSSOP | 
| Speed | 16MHz | 
| Oscillator Type | Internal | 
| Core Processor | STM8 | 
| RAM Size | 1K x 8 | 
| Number of I/O | 16 | 
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | 
| Voltage - Supply (Vcc/Vdd) | 2.95V ~ 5.5V | 
| EEPROM Size | 128 x 8 | 
| Program Memory Type | FLASH | 
| Connectivity | I²C, IrDA, LINbus, SPI, UART/USART | 
| Core Size | 8-Bit | 
| Program Memory Size | 8KB (8K x 8) | 
| Data Converters | A/D 5x10b | 
| Package | Tape & Reel (TR) | 
| Product Status | Active | 
| Base Product Number | STM8 | 
| REACH Status | REACH Unaffected | 
| Standard Package | 2,500 | 
| ECCN | EAR99 | 
| HTSUS | 8542.31.0001 | 
STM8S003F3P6TR: STM8 STM8S 8-Bit Microcontroller IC Overview
The STM8S003F3P6TR is a value-line 8-bit microcontroller (MCU) from STMicroelectronics, designed for cost-sensitive and performance-critical embedded applications. Housed in a compact 20-pin TSSOP package, this MCU integrates an 8 KB Flash program memory, 1 KB RAM, and 128 bytes of true data EEPROM, offering reliable data retention and endurance up to 100,000 write/erase cycles. Its core operates at 16 MHz with a Harvard architecture and 3-stage pipeline, delivering efficient processing while maintaining low power consumption. The device supports a wide operating voltage range of 2.95 V to 5.5 V, making it suitable for battery-powered and industrial applications.
Key Features and Technical Specifications
● Clock Management: Flexible clock sources include an internal 16 MHz RC oscillator, external crystal, or low-power 128 kHz RC oscillator, enabling optimized power/performance trade-offs.
● Peripherals: Includes two 16-bit timers, an 8-bit basic timer, a 10-bit ADC with 5 multiplexed channels, and communication interfaces like UART, SPI, and I²C.
● Power Modes: Low-power modes (Wait, Active-Halt, Halt) reduce energy consumption during idle periods, extending battery life.
● Reliability: Features a clock security system, independent watchdog timer, and robust I/Os immune to current injection, ensuring stable operation in harsh environments.
● Development Support: Compatible with STM8CubeMX and SWIM debugging tools, simplifying firmware development and debugging.
Applications and Selection Advantages
The STM8S003F3P6TR excels in applications requiring compact design, low power, and cost efficiency:
1. Consumer Electronics: Ideal for smart home devices, wearables, and portable gadgets due to its small footprint and low power modes.
2. Industrial Control: Used in PLCs, motor drivers, and sensor networks for its real-time timing capabilities and reliable communication interfaces.
3. Automotive: Suitable for body electronics, lighting control, and low-speed CAN applications, leveraging its robustness and extended temperature range (-40°C to +85°C).
4. Medical Devices: Enables portable health monitors and diagnostic tools with its low-power operation and precise ADC for analog signal processing.
Alternative MCU Models and Key Differences
● STM8S103F3P3: Offers 8 KB Flash, 128 bytes EEPROM, and 10-bit ADC, but supports a higher maximum clock speed (24 MHz) and additional peripherals like LIN communication.
● N76E003 (Nuvoton): Pin-compatible replacement with 18 KB Flash, 1 KB SRAM, and 2 KB EEPROM, targeting higher memory needs while maintaining low power.
● HK32F030M (Holtek): A 32-bit ARM Cortex-M0+ alternative with 32 KB Flash, 4 KB SRAM, and richer peripherals (USB, CAN), suitable for more complex applications.
 
             
            