Overview
The STM8AL3166TCY is a member of the STM8AL automotive ultra-low-power 8-bit microcontroller family from STMicroelectronics. This device is designed to operate in a wide range of applications, particularly in the automotive sector, due to its AEC-Q100 qualification. It features the enhanced STM8 CPU core, which provides 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 microcontroller is optimized for low power operations and includes an integrated debug module with a hardware interface (SWIM) for non-intrusive In-Application debugging and ultrafast Flash programming.
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 or -40°C to 125°C |
| Processing Power | Up to 16 MIPS at 16 MHz |
| Program Memory | Up to 32 Kbyte Flash program; data retention 20 years at 55°C |
| Data Memory | Up to 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | Up to 2 Kbyte |
| Low Power Modes | Wait, low-power run (5.1 μA), low-power wait (3 μA), active-halt with full RTC (1.3 μA), halt with PDR (400 nA) |
| Clock Management | 1 to 16 MHz crystal oscillator, 32 kHz crystal oscillator, internal 16 MHz factory-trimmed RC, internal 38 kHz low consumption RC |
| Communication Interfaces | SPI, Fast I2C 400 kHz SMBus and PMBus, USART (ISO 7816 interface, IrDA, LIN 1.3, LIN 2.0) |
| Package Options | LQFP 32 7x7x1.4 mm, VFQFPN 32 5x5x1.0 mm |
Key Features
- Advanced STM8 Core: Harvard architecture and 3-stage pipeline, up to 16 MIPS at 16 MHz.
- Low Power Features: Five low-power modes, ultra-low leakage per I/O (50 nA), fast wakeup from Halt (4.7 μs).
- Memories: Up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, up to 2 Kbyte RAM.
- DMA: Four channels supporting peripherals like ADC, DAC, SPI, I2C, USART, and timers.
- Peripherals: 12-bit DAC with output buffer, 12-bit ADC up to 1 Mbps/25 channels, temperature sensor, internal reference voltage, ultra-low-power comparators.
- Timers: Two 16-bit timers with two channels, one 16-bit advanced control timer with three channels for motor control, one 8-bit timer with 7-bit prescaler.
- Communication Interfaces: SPI, Fast I2C 400 kHz SMBus and PMBus, USART (ISO 7816 interface, IrDA, LIN 1.3, LIN 2.0).
- Development Support: Fast on-chip programming and non-intrusive debugging with SWIM, bootloader using USART.
Applications
- Automotive Systems: Due to its AEC-Q100 qualification, it is suitable for various automotive applications such as engine control, transmission control, and body electronics.
- Industrial Automation: Can be used in industrial control systems, motor control, and other low-power, high-reliability applications.
- Consumer Electronics: Applicable in battery-powered devices, smart home appliances, and other consumer electronics requiring low power consumption.
- Medical Devices: Suitable for medical devices that require low power and high reliability.
Q & A
- What is the processing power of the STM8AL3166TCY?
The STM8AL3166TCY has a processing power of up to 16 MIPS at 16 MHz.
- What are the operating voltage and temperature ranges for the STM8AL3166TCY?
The operating voltage range is 1.8 V to 3.6 V (down to 1.65 V at power down), and the temperature range is -40°C to 85°C or -40°C to 125°C.
- What are the low power modes available in the STM8AL3166TCY?
The device features five low-power modes: Wait, low-power run (5.1 μA), low-power wait (3 μA), active-halt with full RTC (1.3 μA), and halt with PDR (400 nA).
- What types of memory does the STM8AL3166TCY have?
The device includes up to 32 Kbyte Flash program memory, up to 1 Kbyte true data EEPROM, and up to 2 Kbyte RAM.
- What communication interfaces are available on the STM8AL3166TCY?
The device supports SPI, Fast I2C 400 kHz SMBus and PMBus, and USART (ISO 7816 interface, IrDA, LIN 1.3, LIN 2.0).
- What development tools and features are supported by the STM8AL3166TCY?
The device supports fast on-chip programming and non-intrusive debugging with SWIM, and a bootloader using USART.
- Is the STM8AL3166TCY suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for various automotive applications.
- What are the package options for the STM8AL3166TCY?
The device is available in LQFP 32 7x7x1.4 mm and VFQFPN 32 5x5x1.0 mm packages.
- Does the STM8AL3166TCY have any specific features for motor control?
Yes, it includes a 16-bit advanced control timer with three channels, supporting motor control.
- How many I/Os does the STM8AL3166TCY have?
The device has up to 41 I/Os, all mappable on interrupt vectors.
