Overview
The STM8L051F3P6TR is a member of the STM8L ultra-low-power 8-bit microcontroller family produced by STMicroelectronics. This MCU features an enhanced STM8 CPU core, providing increased processing power of up to 16 MIPS at 16 MHz, while maintaining the advantages of a CISC architecture with improved code density and a 24-bit linear addressing space. The device is optimized for low-power operations and includes an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultra-fast Flash programming.
The STM8L051F3P6TR incorporates a range of enhanced I/Os and peripherals, including a 12-bit ADC, a real-time clock, two 16-bit timers, one 8-bit timer, and standard communication interfaces such as SPI, I2C, and USART. The modular design of the peripheral set allows for easy transition to different ST microcontroller families, supported by a common set of development tools.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Power Supply | 1.8 V to 3.6 V |
| Temperature Range | −40 °C to 85 °C |
| Flash Program Memory | 8 Kbytes |
| Data EEPROM | 256 bytes with ECC |
| RAM | 1 Kbyte |
| Maximum Frequency | 16 MHz, 16 CISC MIPS peak |
| Low-Power Modes | Wait, Low-power run (5.1 μA), Low-power wait (3 μA), Active-halt with RTC (1.3 μA), Halt (350 nA) |
| Ultra-low Leakage per I/O | 50 nA |
| Fast Wakeup from Halt | 5 μs |
| ADC | 12-bit up to 1 Msps/10 channels |
| Timers | Two 16-bit timers with 2 channels, one 8-bit timer with 7-bit prescaler |
| Communication Interfaces | SPI, Fast I2C 400 kHz SMBus and PMBus, USART |
| Package | TSSOP20 (6.4x4.4 mm or 169 mils width) |
Key Features
- Advanced STM8 Core: Harvard architecture and 3-stage pipeline, up to 16 MIPS at 16 MHz.
- Low-Power Features: 5 low-power modes, ultra-low leakage per I/O, fast wakeup from Halt.
- Integrated Debug Module: Non-intrusive In-Application debugging and ultra-fast Flash programming via SWIM interface.
- Memories: 8 Kbytes of Flash program memory, 256 bytes of data EEPROM with ECC, 1 Kbyte of RAM.
- Peripherals: 12-bit ADC, real-time clock, two 16-bit timers, one 8-bit timer, SPI, I2C, USART.
- DMA: 4 channels supporting ADC, SPI, I2C, USART, timers, and one channel for memory-to-memory.
- Reset and Supply Management: Low power, ultra-safe BOR reset with 5 selectable thresholds, ultra-low power POR/PDR, programmable voltage detector (PVD).
- Clock Management: 32 kHz and 1 to 16 MHz crystal oscillators, internal 16 MHz factory-trimmed RC, internal 38 kHz low consumption RC.
Applications
The STM8L051F3P6TR is suitable for a wide range of applications that require ultra-low power consumption and high performance. These include:
- Industrial Automation: Control systems, sensors, and actuators.
- Consumer Electronics: Battery-powered devices, remote controls, and home appliances.
- Medical Devices: Portable medical equipment, health monitors, and wearable devices.
- Automotive Systems: In-vehicle control units, sensors, and safety systems.
- IoT Devices: Smart home devices, wireless sensors, and low-power communication devices.
Q & A
- What is the maximum operating frequency of the STM8L051F3P6TR?
The maximum operating frequency is 16 MHz, achieving up to 16 CISC MIPS peak performance.
- What are the low-power modes available on the STM8L051F3P6TR?
The device features five low-power modes: Wait, Low-power run (5.1 μA), Low-power wait (3 μA), Active-halt with RTC (1.3 μA), and Halt (350 nA).
- What type of debug interface does the STM8L051F3P6TR have?
The device includes an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultra-fast Flash programming.
- What is the memory configuration of the STM8L051F3P6TR?
The device has 8 Kbytes of Flash program memory, 256 bytes of data EEPROM with ECC, and 1 Kbyte of RAM.
- What communication interfaces are available on the STM8L051F3P6TR?
The device includes SPI, Fast I2C 400 kHz SMBus and PMBus, and USART communication interfaces.
- What is the operating temperature range of the STM8L051F3P6TR?
The operating temperature range is from −40 °C to 85 °C.
- What is the package type of the STM8L051F3P6TR?
The device is packaged in a TSSOP20 (6.4x4.4 mm or 169 mils width).
- Does the STM8L051F3P6TR support DMA?
Yes, the device supports DMA with 4 channels for ADC, SPI, I2C, USART, timers, and one channel for memory-to-memory.
- What are the key features of the STM8L051F3P6TR's clock management system?
The device features 32 kHz and 1 to 16 MHz crystal oscillators, internal 16 MHz factory-trimmed RC, and internal 38 kHz low consumption RC, along with a clock security system.
- Is the STM8L051F3P6TR suitable for battery-powered devices?
Yes, the device is highly suitable for battery-powered devices due to its ultra-low power consumption features.
