Overview
The STM8L151C4U6 is a member of the STM8L ultra-low-power 8-bit microcontroller family from STMicroelectronics. This microcontroller is designed to operate within a wide voltage range of 1.8 V to 3.6 V, and it is available in various temperature ranges, including -40 °C to 85 °C and -40 °C to 125 °C. The device features the enhanced STM8 CPU core, which provides up to 16 MIPS at 16 MHz, along with a Harvard architecture and a 3-stage pipeline. It includes an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultra-fast Flash programming. The STM8L151C4U6 is packaged in a 48-pin UFQFPN package, making it suitable for a variety of low-power applications.
Key Specifications
| Parameter | Specification |
|---|---|
| Operating Power Supply Range | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 °C to 85 °C, -40 °C to 105 °C, or -40 °C to 125 °C |
| Maximum Clock Frequency | 16 MHz |
| Processing Power | Up to 16 CISC MIPS |
| Flash Program Memory | Up to 16 Kbytes |
| Data EEPROM | 1 Kbyte with ECC, RWW |
| RAM | Up to 2 Kbytes |
| Low Power Modes | Wait, Low power run (5.1 µA), Low power wait (3 µA), Active-halt with full RTC (1.3 µA), Halt (350 nA) |
| Power Consumption | 195 µA/MHz + 440 µA |
| Ultra-low Leakage per I/O | 50 nA |
| Fast Wakeup from Halt | 4.7 µs |
| External Interrupt Sources | Up to 40 |
| Communication Interfaces | SPI, Fast I2C 400 kHz, USART (ISO 7816 interface and IrDA) |
| Capacitive Sensing Channels | Up to 16 channels |
| Package Type | UFQFPN 48 7x7x0.55 mm |
Key Features
- Advanced STM8 Core: Harvard architecture and 3-stage pipeline, providing up to 16 CISC MIPS at 16 MHz.
- Low Power Modes: Five low power modes including Wait, Low power run, Low power wait, Active-halt with full RTC, and Halt.
- Memory and Storage: Up to 16 Kbytes of Flash program memory, 1 Kbyte of data EEPROM with ECC and RWW, and up to 2 Kbytes of RAM.
- Peripherals and Interfaces: Includes 12-bit ADC, 12-bit DAC, SPI, I2C, USART, timers, and up to 41 I/Os all mappable on interrupt vectors.
- Capacitive Sensing: Supports up to 16 capacitive sensing channels for touchkey, proximity, linear touch, and rotary touch sensors.
- Development Support: Fast on-chip programming and non-intrusive debugging with SWIM, and bootloader using USART.
- Clock Management: Includes 1 to 16 MHz crystal oscillator, 32 kHz crystal oscillator, and internal 16 MHz and 38 kHz RC oscillators.
- Reset and Supply Management: Low power, ultra-safe BOR reset with 5 selectable thresholds, ultra-low-power POR/PDR, and programmable voltage detector (PVD).
Applications
The STM8L151C4U6 is suitable for a wide range of low-power applications, including:
- Industrial Automation: For control and monitoring in industrial environments where low power consumption is critical.
- Consumer Electronics: In devices such as remote controls, home appliances, and other battery-powered gadgets.
- Medical Devices: For medical equipment that requires low power consumption and reliable performance.
- Automotive Systems: In automotive applications where low power and robust performance are essential.
- IoT Devices: For Internet of Things devices that need to operate on low power to extend battery life.
Q & A
- What is the operating voltage range of the STM8L151C4U6?
The operating voltage range is from 1.8 V to 3.6 V, and it can go down to 1.65 V at power down.
- What are the different low power modes available in the STM8L151C4U6?
The device features five low power modes: Wait, Low power run, Low power wait, Active-halt with full RTC, and Halt.
- What is the maximum clock frequency of the STM8L151C4U6?
The maximum clock frequency is 16 MHz, providing up to 16 CISC MIPS.
- How much Flash program memory does the STM8L151C4U6 have?
The device has up to 16 Kbytes of Flash program memory.
- What communication interfaces are available on the STM8L151C4U6?
The device includes SPI, Fast I2C 400 kHz, and USART (ISO 7816 interface and IrDA).
- Does the STM8L151C4U6 support capacitive sensing?
Yes, it supports up to 16 capacitive sensing channels for touchkey, proximity, linear touch, and rotary touch sensors.
- What is the package type of the STM8L151C4U6?
The device is packaged in a 48-pin UFQFPN package.
- What are the temperature ranges for the STM8L151C4U6?
The device operates in temperature ranges of -40 °C to 85 °C, -40 °C to 105 °C, or -40 °C to 125 °C.
- Does the STM8L151C4U6 have a built-in debug module?
Yes, it includes an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultra-fast Flash programming.
- What is the power consumption of the STM8L151C4U6 in Halt mode?
The power consumption in Halt mode is 350 nA.
