Overview
The STM8AF6268TDX is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. This device is designed to offer a balance of performance, robustness, and cost-effectiveness, making it suitable for a variety of automotive applications. The STM8AF6268TDX features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, ensuring high performance and efficiency. It supports a clock frequency of up to 16 MHz and provides a range of integrated peripherals and interfaces, facilitating comprehensive system integration.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Flash Program Memory | 32 Kbyte; data retention 20 years at 55 °C after 1 kcycle |
| Data Memory | 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | 2 Kbyte |
| Clock Management | Low-power crystal resonator oscillator, internal 16 MHz RC and 128 kHz RC oscillators, clock security system |
| Communication Interfaces | LIN 2.2 compliant, SPI up to 8 Mbit/s, I2C up to 400 Kbit/s |
| Analog-to-Digital Converter (ADC) | 10-bit accuracy, up to 10 multiplexed channels |
| Timers | Up to 2 general purpose 16-bit PWM timers, advanced control timer, 8-bit AR basic timer, auto-wakeup timer, window and independent watchdog timers |
| I/Os | Up to 38 user pins including 10 HS I/Os, highly robust I/O design |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 48 7x7x1.4 mm |
| Qualification | AEC-Q10x qualified, conforms to AEC-Q100 rev G |
Key Features
- AEC-Q10x qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline, delivering 10 MIPS at 16 MHz
- Integrated true data EEPROM with 300 k write/erase cycles
- Low-power modes with user-definable clock gating
- Nested interrupt controller with 32 vectors and up to 34 external interrupts
- Multiple timers including general purpose 16-bit PWM timers and advanced control timers
- LIN 2.2 compliant, SPI, and I2C communication interfaces
- 10-bit ADC with up to 10 multiplexed channels and analog watchdog
- Highly robust I/O design immune against current injection
Applications
The STM8AF6268TDX is designed for various automotive applications, including but not limited to:
- Automotive control units (e.g., engine control, transmission control)
- Sensor and actuator control systems
- Body electronics (e.g., lighting, wipers, mirrors)
- Infotainment and driver assistance systems
- Automotive networking and communication systems
Q & A
- What is the maximum CPU frequency of the STM8AF6268TDX?
The maximum CPU frequency is 16 MHz.
- How much Flash program memory does the STM8AF6268TDX have?
The device has 32 Kbyte of Flash program memory.
- What is the endurance of the data EEPROM in the STM8AF6268TDX?
The data EEPROM has an endurance of 300 k write/erase cycles.
- What communication interfaces are available on the STM8AF6268TDX?
The device supports LIN 2.2, SPI up to 8 Mbit/s, and I2C up to 400 Kbit/s.
- What is the operating temperature range of the STM8AF6268TDX?
The operating temperature range is up to 150 °C.
- Is the STM8AF6268TDX qualified for automotive use?
Yes, it is AEC-Q10x qualified and conforms to AEC-Q100 rev G.
- What type of package does the STM8AF6268TDX come in?
The device is packaged in an LQFP 48 7x7x1.4 mm package.
- Does the STM8AF6268TDX have any low-power modes?
Yes, it has wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- How many external interrupts can the STM8AF6268TDX handle?
The device can handle up to 34 external interrupts on 5 vectors.
- What is the resolution of the ADC on the STM8AF6268TDX?
The ADC has a 10-bit accuracy with up to 10 multiplexed channels.
