Overview
The STM8AF5289TCY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF52 series. This device is designed to offer high performance, robustness, and reduced system cost, making it ideal for various automotive applications. It features a 24 MHz CPU clock frequency, advanced STM8A core with Harvard architecture, and a 3-stage pipeline, ensuring efficient processing. The microcontroller also includes integrated true data EEPROM, multiple timers, and a range of communication interfaces, including CAN, USART, LIN, SPI, and I2C.
Key Specifications
| Specification | Details |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| CPU Clock Frequency | 24 MHz |
| Program Memory | 64 Kbyte Flash program; 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 | Up to 150 °C |
| Package | LQFP 64 10x10x1.4 mm |
| Timers | 2 general purpose 16-bit timers, 1 advanced control timer, 1 8-bit AR basic timer |
| PWM Channels | Up to 4 PWM channels |
| ADC | 10-bit resolution, up to 16 multiplexed channels |
| Communication Interfaces | CAN 2.0B, USART, LIN 2.2, SPI, I2C |
Key Features
- AEC-Q10x qualified for automotive applications
- Integrated true data EEPROM with up to 300 k write/erase cycles
- High system integration level with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design, immune against current injection
- Multiple communication interfaces including CAN, USART, LIN, SPI, and I2C
- Advanced control timer with dead-time insertion and flexible synchronization
- Low-power modes with user-definable clock gating
- Nested interrupt controller with 32 vectors and up to 37 external interrupts
Applications
The STM8AF5289TCY is designed for various automotive applications, including engine control units, transmission control units, and other automotive systems that require high reliability and robust performance. It is also suitable for industrial control systems, medical devices, and other applications where high performance and low power consumption are critical.
Q & A
- What is the CPU clock frequency of the STM8AF5289TCY?
The CPU clock frequency is 24 MHz. - What is the program memory size of the STM8AF5289TCY?
The program memory size is 64 Kbyte Flash. - What is the endurance of the true data EEPROM?
The endurance of the true data EEPROM is up to 300 k write/erase cycles. - What are the operating temperature ranges for the STM8AF5289TCY?
The operating temperature range is up to 150 °C. - What communication interfaces are available on the STM8AF5289TCY?
The available communication interfaces include CAN 2.0B, USART, LIN 2.2, SPI, and I2C. - Is the STM8AF5289TCY AEC-Q10x qualified?
Yes, the STM8AF5289TCY is AEC-Q10x qualified for automotive applications. - What is the package type of the STM8AF5289TCY?
The package type is LQFP 64 10x10x1.4 mm. - How many PWM channels are available on the STM8AF5289TCY?
Up to 4 PWM channels are available. - What is the resolution of the ADC on the STM8AF5289TCY?
The ADC has a 10-bit resolution with up to 16 multiplexed channels. - Does the STM8AF5289TCY support low-power modes?
Yes, it supports low-power modes with user-definable clock gating.
