Overview
The STM8AF5268TAY 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. It features a 32 Kbyte Flash program memory, up to 2 Kbyte of true data EEPROM, and 6 Kbyte of RAM. The device operates at a maximum CPU clock frequency of 24 MHz and is qualified to AEC-Q100 grade 0, ensuring reliability in harsh automotive environments. The STM8AF5268TAY is ideal for applications requiring advanced communication interfaces, including CAN, LIN, USART, SPI, and I²C, making it suitable for a wide range of automotive and industrial applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM8AF5268TAY |
| Package | LQFP 48 (7x7x1.4 mm) |
| Program Memory Size | 32 Kbyte Flash |
| Data Memory | Up to 2 Kbyte true data EEPROM |
| RAM Size | 6 Kbyte |
| Core | STM8A with Harvard architecture and 3-stage pipeline |
| Maximum Clock Frequency | 24 MHz |
| Supply Voltage | 3.3 V to 5.5 V |
| Operating Temperature | -40°C to 150°C |
| Number of I/Os | Up to 68 user pins (11 high sink I/Os) |
| Communication Interfaces | CAN 2.0B, LIN, USART, SPI, I²C |
| ADC Resolution | 10-bit resolution, up to 16 multiplexed channels |
| Qualification | AEC-Q100 grade 0 |
Key Features
- Advanced Core: STM8A core with Harvard architecture and 3-stage pipeline, ensuring high performance and efficiency.
- Memory and Storage: 32 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- Communication Interfaces: High-speed CAN 2.0B, LIN, USART, SPI, and I²C interfaces for versatile communication needs.
- Timers and Counters: Multiple timers including 2 general-purpose 16-bit timers, an advanced control timer, and an 8-bit basic timer.
- Analog to Digital Converter (ADC): 10-bit resolution with up to 16 multiplexed channels.
- Robust I/O Design: Highly robust I/Os immune against current injection.
- Power Management: Low-power modes including wait/auto-wakeup/Halt modes with user-definable clock gating.
- Qualification and Reliability: AEC-Q100 grade 0 qualified, ensuring reliability in automotive applications.
Applications
The STM8AF5268TAY is designed for various automotive and industrial applications, including:
- Automotive Systems: Engine control units, transmission control units, and other automotive electronics requiring robust and reliable performance.
- Industrial Automation: Control systems, sensors, and actuators in industrial environments.
- Consumer Electronics: Devices requiring advanced communication interfaces and robust performance.
- IoT Devices: Internet of Things applications that need efficient and reliable microcontrollers.
Q & A
- What is the maximum clock frequency of the STM8AF5268TAY?
The maximum clock frequency is 24 MHz.
- What is the program memory size of the STM8AF5268TAY?
The program memory size is 32 Kbyte Flash.
- What communication interfaces does the STM8AF5268TAY support?
The device supports CAN 2.0B, LIN, USART, SPI, and I²C interfaces.
- What is the operating temperature range of the STM8AF5268TAY?
The operating temperature range is -40°C to 150°C.
- Is the STM8AF5268TAY AEC-Q100 qualified?
Yes, it is AEC-Q100 grade 0 qualified.
- What is the resolution of the ADC in the STM8AF5268TAY?
The ADC resolution is 10 bits with up to 16 multiplexed channels.
- How many I/O pins does the STM8AF5268TAY have?
The device has up to 68 user pins, including 11 high sink I/Os.
- What are the power management features of the STM8AF5268TAY?
The device features low-power modes including wait/auto-wakeup/Halt modes with user-definable clock gating.
- What is the EEPROM endurance of the STM8AF5268TAY?
The EEPROM endurance is up to 300 k write/erase cycles.
- What development tools are supported by the STM8AF5268TAY?
The device is supported by tools such as STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
