Overview
The STM8AF5289TCX is an 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It belongs to the STM8A family, known for its high performance, robustness, and cost-effectiveness. This microcontroller features a Harvard architecture with a 3-stage pipeline, ensuring efficient processing at up to 24 MHz CPU clock frequency. The STM8AF5289TCX is AEC-Q100 qualified, making it suitable for demanding automotive environments. It offers a range of integrated peripherals and advanced communication interfaces, making it a versatile choice for various automotive and industrial applications.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM8AF5289TCX |
| Package | LQFP 64 10x10x1.4 mm |
| Core | STM8A with Harvard architecture and 3-stage pipeline |
| Maximum CPU Clock Frequency | 24 MHz |
| Program Memory | 64 Kbyte Flash; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Supply Voltage | 3.3 V to 5.5 V |
| Operating Temperature | -40 °C to +125 °C |
| ADC Resolution | 10-bit; up to 16 multiplexed channels |
| Communication Interfaces | CAN 2.0B, USART, LIN 2.2, SPI, I2C |
| Number of I/Os | Up to 68 user pins |
| Qualification | AEC-Q100 grade 0 |
Key Features
- Advanced Core: STM8A core with Harvard architecture and 3-stage pipeline, ensuring high performance and efficiency.
- Integrated Peripherals: Includes true data EEPROM, internal clock oscillators, watchdog, and brown-out reset, reducing system cost and enhancing system integration.
- Communication Interfaces: High-speed CAN 2.0B, USART, LIN 2.2, SPI, and I2C interfaces for versatile communication needs.
- Robust I/O Design: Highly robust I/Os immune against current injection, ensuring reliability in harsh environments.
- Low Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating for power efficiency.
- Interrupt Management: Nested interrupt controller with 32 vectors and up to 37 external interrupts on 5 vectors.
- Timers and Counters: Multiple timers including 16-bit general purpose timers, advanced control timer, and window and independent watchdog timers.
- Analog to Digital Converter (ADC): 10-bit resolution ADC with up to 16 multiplexed channels.
- Automotive Qualification: AEC-Q100 grade 0 qualified, ensuring suitability for automotive applications.
Applications
The STM8AF5289TCX is designed for various automotive and industrial applications, including:
- Automotive Systems: Suitable for vehicle control units, body control modules, and other automotive electronics requiring robust and reliable processing.
- Industrial Automation: Used in industrial control systems, motor control, and other applications requiring high performance and reliability.
- Consumer Electronics: Can be used in consumer electronic devices that require advanced communication interfaces and robust processing capabilities.
- Embedded Systems: Ideal for embedded systems development where low power consumption and high performance are critical.
Q & A
- What is the maximum CPU clock frequency of the STM8AF5289TCX?
The maximum CPU clock frequency is 24 MHz.
- What is the program memory size of the STM8AF5289TCX?
The program memory size is 64 Kbyte Flash.
- What are the supply voltage ranges for the STM8AF5289TCX?
The supply voltage ranges from 3.3 V to 5.5 V.
- What communication interfaces are available on the STM8AF5289TCX?
The microcontroller features CAN 2.0B, USART, LIN 2.2, SPI, and I2C interfaces.
- What is the ADC resolution of the STM8AF5289TCX?
The ADC resolution is 10-bit with up to 16 multiplexed channels.
- Is the STM8AF5289TCX qualified for automotive applications?
Yes, it is AEC-Q100 grade 0 qualified.
- What are the low power modes available on the STM8AF5289TCX?
The microcontroller features wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- How many external interrupts are supported by the STM8AF5289TCX?
Up to 37 external interrupts on 5 vectors are supported.
- What is the operating temperature range of the STM8AF5289TCX?
The operating temperature range is from -40 °C to +125 °C.
- What is the package type of the STM8AF5289TCX?
The package type is LQFP 64 10x10x1.4 mm.
