Overview
The STM8AF5286UCY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF52 series. This microcontroller is designed to offer high performance, robustness, and reduced system cost, making it suitable for various automotive and industrial applications. It features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, ensuring efficient processing at up to 24 MHz CPU clock frequency. The device also includes integrated true data EEPROM, multiple timers, and a range of communication interfaces such as CAN, LIN, USART, SPI, and I2C. The STM8AF5286UCY is AEC-Q10x qualified and operates within a temperature range of -40°C to 150°C, ensuring reliability in demanding environments.
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 program; data retention 20 years at 55 °C |
| Data Memory | Up to 2 Kbyte true data EEPROM; endurance 300 k cycles |
| RAM | 6 Kbyte |
| Package | VFQFPN 32 5x5x1.0 mm |
| Supply Voltage | 3.3 V to 5.5 V |
| Operating Temperature | -40 °C to 150 °C |
| Communication Interfaces | CAN 2.0B, LIN, USART, SPI, I2C |
| ADC Resolution | 10-bit resolution, 2 LSB TUE, 1 LSB linearity and up to 16 multiplexed channels |
| Timers | 2 general purpose 16-bit timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| I/Os | Up to 68 user pins (11 high sink I/Os) |
Key Features
- AEC-Q10x qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline, ensuring 20 MIPS at 24 MHz CPU clock frequency
- 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
- 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
- Multiple timers including general purpose timers, advanced control timer, and watchdog timers
- Low-power modes with user definable clock gating and low consumption power-on and power-down reset
- Nested interrupt controller with 32 vectors and up to 37 external interrupts on 5 vectors
Applications
The STM8AF5286UCY is designed for various automotive and industrial applications, including:
- Automotive control systems
- Industrial automation
- Consumer electronics requiring robust and reliable processing
- Embedded systems and IoT devices
- High-temperature environments requiring reliable operation
Q & A
- What is the maximum CPU frequency of the STM8AF5286UCY?
The maximum CPU frequency is 24 MHz.
- What is the program memory size of the STM8AF5286UCY?
The program memory size is 64 Kbyte Flash.
- What is the data memory type and endurance of the STM8AF5286UCY?
The data memory is up to 2 Kbyte true data EEPROM with an endurance of 300 k cycles.
- What communication interfaces are available on the STM8AF5286UCY?
The available communication interfaces include CAN 2.0B, LIN, USART, SPI, and I2C.
- What is the operating temperature range of the STM8AF5286UCY?
The operating temperature range is -40 °C to 150 °C.
- Is the STM8AF5286UCY AEC-Q10x qualified?
- What is the ADC resolution of the STM8AF5286UCY?
The ADC resolution is 10-bit with 2 LSB TUE and 1 LSB linearity, and up to 16 multiplexed channels.
- What types of timers are available on the STM8AF5286UCY?
The available timers include 2 general purpose 16-bit timers, an advanced control timer, an 8-bit AR basic timer, an auto-wakeup timer, and window and independent watchdog timers.
- How many user pins are available on the STM8AF5286UCY?
Up to 68 user pins are available, including 11 high sink I/Os.
- What is the supply voltage range of the STM8AF5286UCY?
The supply voltage range is 3.3 V to 5.5 V.
