Overview
The STM8AF5289TAY is an automotive 8-bit microcontroller produced by STMicroelectronics. It belongs to the STM8AF series, known for its high density and robust features. This microcontroller is designed to meet the stringent requirements of automotive applications, offering a balance of performance, system integration, and cost-effectiveness.
The device features a 24 MHz CPU, integrated true data EEPROM, and various communication interfaces such as CAN, LIN, SPI, and USART. It is AEC-Q10x qualified, ensuring reliability and durability in harsh automotive environments.
Key Specifications
| Parameter | Value |
|---|---|
| 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 |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | -40 °C to 85 °C |
| Package | LQFP 64 10x10x1.4 mm |
| RoHS Compliance | Ecopack2 |
Key Features
- AEC-Q10x qualified for automotive applications
- Integrated true data EEPROM with up to 300 k write/erase cycles
- High system integration with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design, immune against current injection
- High-speed 1 Mbit/s CAN 2.0B interface, LIN master mode, USART, SPI, and I²C interfaces
- 10-bit ADC with up to 16 multiplexed channels
- Advanced control timer and general-purpose timers
- Window and independent watchdog timers
- Low-power modes with user-definable clock gating
Applications
The STM8AF5289TAY is designed for various automotive applications, including:
- Body control modules
- Infotainment systems
- Powertrain control units
- Safety and security systems
- Automotive sensors and actuators
Q & A
- What is the maximum CPU frequency of the STM8AF5289TAY?
The maximum CPU frequency is 24 MHz.
- What is the program memory capacity of the STM8AF5289TAY?
The program memory capacity is 64 Kbyte Flash.
- Does the STM8AF5289TAY have integrated EEPROM?
Yes, it has up to 2 Kbyte of true data EEPROM.
- What are the operating temperature ranges for the STM8AF5289TAY?
The operating temperature ranges from -40 °C to 85 °C.
- Is the STM8AF5289TAY RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What communication interfaces are available on the STM8AF5289TAY?
The device features CAN, LIN, USART, SPI, and I²C interfaces.
- What is the package type of the STM8AF5289TAY?
The package type is LQFP 64 10x10x1.4 mm.
- Is the STM8AF5289TAY AEC-Q10x qualified?
Yes, it is AEC-Q10x qualified for automotive applications.
- What is the supply voltage range for the STM8AF5289TAY?
The supply voltage range is from 3.0 V to 5.5 V.
- Does the STM8AF5289TAY support low-power modes?
Yes, it supports low-power modes with user-definable clock gating.
