Overview
The STM8S003F3P6 is an 8-bit microcontroller designed for cost-sensitive embedded control applications. It is widely used in home appliances, motor control units, and simple industrial controllers, where reliable performance, low cost, and robust 5 V operation are required.
As part of STMicroelectronics’ STM8S Value Line series, the STM8S003F3P6 provides essential peripherals and stable operation for mainstream embedded designs. Its variant, STM8S003F3P6TR, offers the same electrical and functional specifications but comes in a tape-and-reel packaging suitable for automated assembly and high-volume production.
Core Parameters
| Parameter | Specification |
|---|---|
| CPU Core | STM8 8-bit |
| Maximum Frequency | Up to 16 MHz |
| Flash Memory | 8 KB |
| RAM | 1 KB |
| EEPROM | 128 bytes |
| Operating Voltage | 2.95 V to 5.5 V |
| Operating Temperature | -40°C to +85°C |
| Timers | 8-bit & 16-bit timers, watchdog |
| Communication Interfaces | UART, SPI, I²C |
| ADC | 10-bit ADC |
| GPIO Pins | Up to 16 I/O |
| Package | TSSOP20 |
These parameters make the device suitable for basic embedded control and monitoring applications, especially where low cost and 5 V compatibility are critical.
Features
- STM8 core with optimized instruction set
- 5 V tolerant I/O for legacy system compatibility
- Integrated EEPROM for non-volatile data storage
- Flexible timer architecture for control tasks
- On-chip clock sources reduce external components
- Robust EMC performance for industrial environments
Typical Application Scenarios
- Home appliances and white goods controllers
- Motor driving and fan control systems
- Power tools and simple inverters
- Industrial control panels
- Entry-level consumer electronics
The STM8S003F3P6 is often paired with the ADS1115IDGSR precision ADC in embedded measurement systems. The ADS1115IDGST provides 16‑bit high‑resolution analog conversion, enhancing sensor accuracy and data acquisition performance when used alongside the STM8S003F3P6 in industrial and IoT applications.
Performance Comparison
| Feature | STM8S003F3P6 | Typical 8-bit MCU | Low-end 32-bit MCU |
|---|---|---|---|
| CPU Architecture | 8-bit STM8 | 8-bit | 32-bit |
| Max Frequency | 16 MHz | 8–16 MHz | 32+ MHz |
| Operating Voltage | Up to 5.5 V | Limited | Mostly 3.3 V |
| Peripheral Integration | Moderate | Low | High |
| Cost Efficiency | Very High | High | Medium |
Compared with generic 8-bit microcontrollers, the STM8S003F3P6 offers better peripheral integration and EEPROM support, while remaining more cost-effective and simpler than entry-level 32-bit MCUs.
Conclusion
The STM8S003F3P6 is a proven and cost-efficient microcontroller solution for designers who need dependable 8-bit performance, 5 V operation, and essential peripherals. Its balance of simplicity, reliability, and affordability makes it ideal for a wide range of consumer and industrial embedded applications.
Manufacturer Profile
STMicroelectronics is a global semiconductor leader providing microcontrollers, sensors, power devices, and analog solutions. The company is well known for its long-term product support, strong ecosystem, and reliable solutions for industrial, automotive, and consumer markets.
FAQ
Q1: Is STM8S003F3P6 suitable for 5 V systems?
Yes. It supports operation up to 5.5 V and includes 5 V tolerant I/O pins.
Q2: Does this MCU include non-volatile memory?
Yes. It integrates 128 bytes of EEPROM for parameter and data storage.
Q3: What development tools are available?
ST provides the STVD IDE, STM8 compilers, and low-cost ST-LINK programmers.
Q4: Is STM8S003F3P6 suitable for long-term production?
Yes. It is part of ST’s mainstream product line with stable long-term availability.
Q5: How can I verify the quality of STM8S003F3P6?
7SEtronic follows a complete, standardized quality inspection SOP. Each unit is checked via label verification, visual inspection, and X-ray analysis to ensure authenticity and reliable performance.
For more information and to review our available inventory, please contact our team for detailed pricing, current stock levels, and any additional technical support you may need.
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