Overview
The STM8AF6268TCY 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 wide range of automotive applications. It features an advanced STM8A core with Harvard architecture and a 3-stage pipeline, ensuring high performance and efficiency. The microcontroller is AEC-Q10x qualified, ensuring it meets stringent automotive standards for reliability and durability.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Performance | Average 1.6 cycles/instruction, resulting in 10 MIPS at 16 MHz |
| Flash Program Memory | 32 Kbyte Flash; 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, UART, 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 48 7x7x1.4 mm |
Key Features
- AEC-Q10x qualified for automotive reliability and durability
- Advanced STM8A core with Harvard architecture and 3-stage pipeline for high performance
- Integrated true data EEPROM with up to 300 k write/erase cycles
- High system integration with internal clock oscillators, watchdog, and brown-out reset
- Robust I/O design immune against current injection
- LIN 2.2 compliant, UART, SPI, and I²C communication interfaces
- 10-bit ADC with up to 10 multiplexed channels and individual data buffer
- Multiple timers including general purpose PWM timers and advanced control timer
- Low-power modes with user definable clock gating and low consumption power-on and power-down reset
Applications
The STM8AF6268TCY is designed for various automotive applications where reliability, performance, and cost-effectiveness are crucial. These include:
- Automotive body control modules
- Instrument clusters and dashboards
- Infotainment systems
- Powertrain and engine control units
- Safety and security systems
Q & A
- What is the maximum CPU frequency of the STM8AF6268TCY?
The maximum CPU frequency is 16 MHz.
- How much Flash program memory does the STM8AF6268TCY have?
The STM8AF6268TCY has 32 Kbyte of Flash program memory.
- What is the endurance of the data EEPROM in the STM8AF6268TCY?
The data EEPROM has an endurance of up to 300 k write/erase cycles.
- What communication interfaces are available on the STM8AF6268TCY?
The device features LIN 2.2, UART, SPI, and I²C communication interfaces.
- What is the operating temperature range of the STM8AF6268TCY?
The operating temperature range is up to 150 °C.
- Is the STM8AF6268TCY AEC-Q10x qualified?
Yes, the STM8AF6268TCY is AEC-Q10x qualified for automotive applications.
- What is the package type of the STM8AF6268TCY?
The package type is LQFP 48 7x7x1.4 mm.
- Does the STM8AF6268TCY have any low-power modes?
Yes, it has wait/auto-wakeup/Halt low-power modes with user definable clock gating.
- What is the resolution of the ADC in the STM8AF6268TCY?
The ADC has a 10-bit accuracy.
- How many user pins are available on the STM8AF6268TCY?
Up to 38 user pins are available, including 10 HS I/Os.
