Overview
The STM8AF5288TAY is an 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It belongs to the STM8AF52 series, which is part of the STM8A family of microcontrollers. This device is known for its high system integration, robust performance, and advanced features that make it suitable for demanding automotive environments. The STM8AF5288TAY offers a balance of reduced system cost, enhanced performance, and short development cycles, making it an ideal choice for various automotive systems.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU 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 |
| Clock Management | Low-power crystal resonator oscillator, internal 16 MHz RC and 128 kHz RC oscillators, clock security system |
| Communication Interfaces | CAN 2.0B interface, USART, LIN 2.2 compliant, SPI up to 10 Mbit/s, I2C up to 400 Kbit/s |
| Analog to Digital Converter (ADC) | 10-bit resolution, 2 LSB TUE, 1 LSB linearity, up to 16 multiplexed channels |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 48 (7x7x1.4 mm) |
| Qualification | AEC-Q100 grade 0, AEC-Q10x qualified |
Key Features
- AEC-Q10x Qualified and AEC-Q100 Grade 0: Ensures the device meets stringent automotive standards.
- Advanced Core: Features a Harvard architecture and 3-stage pipeline, providing 20 MIPS at 24 MHz CPU clock frequency.
- High System Integration: Includes internal clock oscillators, watchdog, brown-out reset, and true data EEPROM.
- Robust I/O Design: Highly robust I/Os immune against current injection.
- Communication Interfaces: High-speed CAN 2.0B, USART, LIN 2.2 compliant, SPI, and I2C interfaces.
- Analog to Digital Converter (ADC): 10-bit resolution with up to 16 multiplexed channels.
- Low-Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- Development Tools: Supported by STVD/STVP development environment, STice emulator, and low-cost third-party in-circuit debugging tools.
Applications
The STM8AF5288TAY is designed for various automotive applications, including:
- Automotive Control Systems: Suitable for engine control units, transmission control units, and other automotive control systems.
- Body Electronics: Can be used in body control modules, lighting systems, and other body electronics.
- Infotainment Systems: Applicable in infotainment and telematics systems due to its robust communication interfaces.
- Safety Systems: Used in safety-critical systems such as airbag control units and anti-lock braking systems (ABS).
Q & A
- What is the maximum CPU frequency of the STM8AF5288TAY?
The maximum CPU frequency is 24 MHz.
- What type of memory does the STM8AF5288TAY have?
The device has 64 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- What communication interfaces are available on the STM8AF5288TAY?
The device features CAN 2.0B, USART, LIN 2.2 compliant, SPI up to 10 Mbit/s, and I2C up to 400 Kbit/s interfaces.
- What is the operating temperature range of the STM8AF5288TAY?
The operating temperature range is up to 150 °C.
- Is the STM8AF5288TAY qualified for automotive use?
Yes, it is AEC-Q10x qualified and meets AEC-Q100 grade 0 standards.
- What type of package does the STM8AF5288TAY come in?
The device comes in an LQFP 48 (7x7x1.4 mm) package.
- What are the low-power modes available on the STM8AF5288TAY?
The device features wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- What development tools support the STM8AF5288TAY?
The device is supported by STVD/STVP development environment, STice emulator, and low-cost third-party in-circuit debugging tools.
- What is the resolution of the ADC on the STM8AF5288TAY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels.
- How many external interrupts can the STM8AF5288TAY handle?
The device can handle up to 37 external interrupts on 5 vectors.
