Overview
The STM8AF6266TAY is an automotive 8-bit microcontroller manufactured by STMicroelectronics. It belongs to the STM8A core processor family and is part of the medium density STM8A devices in the STM8S and STM8AF series. This microcontroller is designed to offer reduced system cost, enhanced performance, and robustness, along with short development cycles and product longevity. It features a 16 MHz CPU, integrated true data EEPROM, and various peripherals such as timers, LIN, SPI, and I2C interfaces, making it suitable for a wide range of automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Min | 3.0 V |
| Supply Voltage Max | 5.5 V |
| Operating Temperature Min | -40.0 °C |
| Operating Temperature Max | 85.0 °C |
| Flash Program Memory | 16 to 32 Kbytes |
| Data Memory (EEPROM) | 0.5 to 1 Kbyte |
| RAM | 2 Kbytes |
| Package Name | LQFP 32 7x7x1.4 mm |
| Clock Frequency | Up to 16 MHz |
| RoHS Compliance | Ecopack2 |
| Grade | Automotive |
Key Features
- AEC-Q10x qualified
- 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
- Low-power crystal resonator oscillator with external clock input and internal, user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators
- Clock security system with clock monitor
- Wait/auto-wakeup/Halt low-power modes with user definable clock gating
- Nested interrupt controller with 32 vectors and up to 34 external interrupts on 5 vectors
- Up to 2 general purpose 16-bit PWM timers and an advanced control timer
- LIN 2.2 compliant UART, SPI interface up to 8 Mbit/s, and I2C interface up to 400 Kbit/s
- 10-bit ADC with up to 10 multiplexed channels and individual data buffer
- Highly robust I/O design, immune against current injection
Applications
The STM8AF6266TAY is designed for various automotive applications, including but not limited to:
- Automotive control systems
- Rear light control and pattern animations
- Body control modules
- Infotainment systems
- Safety and security systems
Q & A
- What is the maximum clock frequency of the STM8AF6266TAY?
The maximum clock frequency is up to 16 MHz. - What is the operating temperature range of the STM8AF6266TAY?
The operating temperature range is from -40.0 °C to 85.0 °C. - What type of memory does the STM8AF6266TAY have?
The STM8AF6266TAY has 16 to 32 Kbytes of Flash program memory, 0.5 to 1 Kbyte of true data EEPROM, and 2 Kbytes of RAM. - Is the STM8AF6266TAY RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade. - What communication interfaces are available on the STM8AF6266TAY?
The microcontroller features LIN 2.2 compliant UART, SPI interface up to 8 Mbit/s, and I2C interface up to 400 Kbit/s. - What is the package type of the STM8AF6266TAY?
The package type is LQFP 32 7x7x1.4 mm. - Is the STM8AF6266TAY AEC-Q10x qualified?
Yes, it is AEC-Q10x qualified. - What is the endurance of the EEPROM in the STM8AF6266TAY?
The EEPROM has an endurance of up to 300 k write/erase cycles. - Does the STM8AF6266TAY 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 STM8AF6266TAY?
The ADC has a 10-bit accuracy with up to 10 multiplexed channels.
