Overview
The STM8AF6246TDSSSY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. This device is designed to offer high performance, robustness, and reduced system cost, making it ideal for various automotive applications. The STM8AF6246TDSSSY features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, ensuring efficient processing at up to 16 MHz CPU frequency. It also includes integrated true data EEPROM, multiple timers, and communication interfaces such as LIN, SPI, and I2C. The microcontroller is AEC-Q100 rev G qualified, ensuring it meets stringent automotive standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Flash Program Memory | 16 to 32 Kbyte; data retention 20 years at 55 °C after 1 kcycle |
| Data Memory | 0.5 to 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 |
| Reset and Supply Management | Wait/auto-wakeup/Halt low-power modes, user definable clock gating, low consumption power-on and power-down reset |
| Interrupt Management | Nested interrupt controller with 32 vectors, up to 34 external interrupts on 5 vectors |
| 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 |
| 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 with individual data buffer, analog watchdog, scan and continuous sampling mode |
| 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 32 (7x7x1.4 mm) |
| Qualification | AEC-Q100 rev G qualified |
Key Features
- AEC-Q10x qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline, achieving 10 MIPS at 16 MHz
- Integrated true data EEPROM with up to 300 k write/erase cycles
- Multiple timers including general purpose 16-bit PWM timers and advanced control timer
- LIN 2.2 compliant, SPI, and I2C communication interfaces
- 10-bit ADC with up to 10 multiplexed channels and individual data buffer
- Highly robust I/O design immune against current injection
- 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 34 external interrupts
- Operating temperature up to 150 °C
Applications
The STM8AF6246TDSSSY is designed for various automotive applications, including:
- Automotive control systems
- Body electronics
- Powertrain control
- Infotainment systems
- Safety and security systems
Q & A
- What is the maximum CPU frequency of the STM8AF6246TDSSSY?
The maximum CPU frequency is 16 MHz.
- What type of memory does the STM8AF6246TDSSSY have?
The device has 16 to 32 Kbyte of Flash program memory, 0.5 to 1 Kbyte of true data EEPROM, and 2 Kbyte of RAM.
- What communication interfaces are available on the STM8AF6246TDSSSY?
The device features LIN 2.2 compliant, SPI up to 8 Mbit/s, and I2C up to 400 Kbit/s interfaces.
- What is the operating temperature range of the STM8AF6246TDSSSY?
The operating temperature range is up to 150 °C.
- Is the STM8AF6246TDSSSY qualified for automotive applications?
Yes, it is AEC-Q100 rev G qualified.
- What type of ADC does the STM8AF6246TDSSSY have?
The device has a 10-bit ADC with up to 10 multiplexed channels and individual data buffer.
- What are the low-power modes available on the STM8AF6246TDSSSY?
The device features wait/auto-wakeup/Halt low-power modes with user definable clock gating and low consumption power-on and power-down reset.
- How many external interrupts can the STM8AF6246TDSSSY handle?
The device can handle up to 34 external interrupts on 5 vectors.
- What is the package type of the STM8AF6246TDSSSY?
The package type is LQFP 32 (7x7x1.4 mm).
- Does the STM8AF6246TDSSSY have any specific timers?
Yes, it includes up to 2 general purpose 16-bit PWM timers, an advanced control timer, and other timers like the 8-bit AR basic timer and auto-wakeup timer.
