Overview
The STM8AF6266TCY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. This device is designed for medium-density applications and offers a robust set of features tailored for automotive use. It provides up to 32 Kbytes of Flash program memory and integrated true data EEPROM, ensuring high system integration and reliability. The STM8AF6266TCY is AEC-Q100 qualified, making it suitable for demanding automotive environments. It operates within a supply voltage range of 3.0 to 5.5 V and can handle temperatures from -40°C to 125°C, ensuring product longevity and performance in various conditions.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline |
| Max CPU Frequency | 16 MHz |
| Flash Program Memory | 32 Kbytes |
| Data Memory | 0.5 to 1 Kbyte true data EEPROM; endurance 300 kcycle |
| RAM | 2 Kbyte |
| Supply Voltage | 3.0 to 5.5 V |
| Operating Temperature | -40°C to 125°C |
| Package | LQFP 32 7x7x1.4 mm |
| 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 |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline, delivering up to 10 MIPS at 16 MHz
- 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, SPI, and I²C communication interfaces
- 10-bit ADC with up to 10 multiplexed channels
- Multiple timers including general purpose 16-bit PWM timers and an advanced control timer
- Low-power modes with user-definable clock gating and auto-wakeup timer
- Operating temperature up to 125°C
Applications
The STM8AF6266TCY is designed for various automotive applications where reliability, performance, and robustness are critical. These include:
- Automotive control units
- Body electronics
- Infotainment systems
- Safety and security systems
- Rear light control and pattern animations
Q & A
- What is the maximum CPU frequency of the STM8AF6266TCY?
The maximum CPU frequency is 16 MHz.
- What is the range of supply voltage for the STM8AF6266TCY?
The supply voltage range is from 3.0 to 5.5 V.
- What is the operating temperature range of the STM8AF6266TCY?
The operating temperature range is from -40°C to 125°C.
- What communication interfaces are available on the STM8AF6266TCY?
The device supports LIN 2.2, SPI up to 8 Mbit/s, and I²C up to 400 Kbit/s.
- What is the resolution and accuracy of the ADC on the STM8AF6266TCY?
The ADC has a 10-bit accuracy with 2LSB TUE accuracy and linearity.
- Does the STM8AF6266TCY have any specific certifications for automotive use?
Yes, it is AEC-Q100 qualified.
- What is the endurance of the integrated true data EEPROM?
The integrated true data EEPROM has an endurance of up to 300 k write/erase cycles.
- What are the low-power modes available on the STM8AF6266TCY?
The device supports wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- What development tools are supported for the STM8AF6266TCY?
The device is supported by tools such as STVD/STVP development environment, STice emulator, and low-cost third-party in-circuit debugging tools.
- What is the package type of the STM8AF6266TCY?
The package type is LQFP 32 7x7x1.4 mm.
