Overview
The STM8L051F3P6 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 designed 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 STM8L051F3P6 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
| Specification | Details |
|---|---|
| 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) |
| 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 |
| I/Os | Up to 18 I/Os, all mappable on interrupt vectors |
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 (50 nA), fast wakeup from Halt (5 μs).
- Integrated Debug Module: Non-intrusive In-Application debugging and ultra-fast Flash programming via SWIM interface.
- Peripherals: 12-bit ADC, real-time clock, two 16-bit timers, one 8-bit timer, SPI, I2C, USART.
- Memory: 8 Kbytes of Flash program memory, 256 bytes of data EEPROM with ECC, 1 Kbyte of RAM.
- 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 STM8L051F3P6 is suitable for a variety of low-power applications, including:
- Industrial Automation: For control and monitoring systems that require low power consumption.
- Consumer Electronics: For devices such as remote controls, sensors, and other battery-powered gadgets.
- Medical Devices: For portable medical devices that need to operate for extended periods on a single battery charge.
- Automotive Systems: For applications requiring low power and reliable operation in harsh environments.
- IoT Devices: For Internet of Things devices that need to be energy-efficient and have long battery life.
Q & A
- What is the maximum operating frequency of the STM8L051F3P6?
The maximum operating frequency is 16 MHz, providing up to 16 CISC MIPS peak performance.
- What are the low-power modes available in the STM8L051F3P6?
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 types of timers are available in the STM8L051F3P6?
The device includes two 16-bit timers with 2 channels and one 8-bit timer with a 7-bit prescaler.
- What communication interfaces does the STM8L051F3P6 support?
The device supports SPI, Fast I2C 400 kHz SMBus and PMBus, and USART.
- How much Flash program memory does the STM8L051F3P6 have?
The device has 8 Kbytes of Flash program memory.
- What is the temperature range for the STM8L051F3P6?
The operating temperature range is from −40 °C to 85 °C.
- Does the STM8L051F3P6 have an integrated debug module?
Yes, it features an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultra-fast Flash programming.
- What is the power supply range for the STM8L051F3P6?
The operating power supply range is from 1.8 V to 3.6 V.
- How many I/Os does the STM8L051F3P6 have?
The device has up to 18 I/Os, all of which are mappable on interrupt vectors.
- Does the STM8L051F3P6 support DMA?
Yes, it supports DMA with 4 channels for ADC, SPI, I2C, USART, timers, and one channel for memory-to-memory.
