Overview
The STM8AF5268TCX is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8AF52 series. This microcontroller is designed to offer high performance, robustness, and cost-effectiveness, making it suitable for various automotive applications. It features a 24 MHz CPU clock frequency, advanced STM8A core with Harvard architecture and a 3-stage pipeline, and supports a wide range of peripherals and communication interfaces. The device is AEC-Q100 qualified, ensuring it meets stringent automotive standards for reliability and performance.
Key Specifications
| Parameter | Description |
|---|---|
| Core Processor | STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 24 MHz |
| Program Memory | 32 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 | LQFP 48 7x7x1.4 mm |
| Operating Temperature | Up to 150 °C |
| Communication Interfaces | CAN 2.0B, USART, LIN 2.2, SPI, I2C |
| Timers | 2 general purpose 16-bit timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer |
| ADC | 10-bit resolution, 2 LSB TUE, 1 LSB linearity, up to 16 multiplexed channels |
| Interrupt Management | Nested interrupt controller with 32 vectors, up to 37 external interrupts on 5 vectors |
Key Features
- AEC-Q100 Qualified: Ensures compliance with automotive reliability standards.
- High Performance: 24 MHz CPU clock frequency and enhanced characteristics like robust I/O and independent watchdogs.
- Integrated Peripherals: Includes internal clock oscillators, watchdog, brown-out reset, and a clock security system.
- Communication Interfaces: Supports CAN 2.0B, USART, LIN 2.2, SPI, and I2C interfaces.
- Low Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- Robust I/O Design: Highly robust I/O design, immune against current injection.
- Development Tools: Supported by STVD/STVP development environment, STice emulator, and low-cost third-party in-circuit debugging tools.
Applications
The STM8AF5268TCX is designed for various automotive applications, including:
- Automotive control systems
- Body electronics
- Powertrain control
- Safety and security systems
- Infotainment and telematics
Q & A
- What is the maximum CPU frequency of the STM8AF5268TCX?
The maximum CPU frequency is 24 MHz.
- What type of memory does the STM8AF5268TCX have?
The device has 32 Kbyte Flash program memory, up to 2 Kbyte true data EEPROM, and 6 Kbyte RAM.
- What communication interfaces are supported by the STM8AF5268TCX?
The device supports CAN 2.0B, USART, LIN 2.2, SPI, and I2C interfaces.
- What is the operating temperature range of the STM8AF5268TCX?
The operating temperature range is up to 150 °C.
- Is the STM8AF5268TCX AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified.
- What type of package is the STM8AF5268TCX available in?
The device is available in an LQFP 48 7x7x1.4 mm package.
- Does the STM8AF5268TCX have any low power modes?
Yes, it has wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- What development tools support the STM8AF5268TCX?
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 in the STM8AF5268TCX?
The ADC has a 10-bit resolution with 2 LSB TUE and 1 LSB linearity, and supports up to 16 multiplexed channels.
- Does the STM8AF5268TCX have any watchdog timers?
Yes, it includes window and independent watchdog timers.
