Overview
The STM8AF6266UCX is an 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It features a robust set of peripherals and a high level of integration, making it suitable for a variety of automotive systems. The microcontroller is part of the STM8A family and is AEC-Q100 qualified, ensuring it meets the stringent requirements of the automotive industry.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Advanced STM8A core with Harvard architecture and 3-stage pipeline, max fCPU: 16 MHz |
| Flash Program Memory | 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 |
| Operating Voltage | 3 to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Timers | Up to 2 general purpose 16-bit PWM timers, advanced control timer: 16-bit, 4 CAPCOM channels |
| Communication Interfaces | LINUART (LIN 2.2 compliant), SPI interface up to 8 Mbit/s, I2C interface up to 400 Kbit/s |
| Analog-to-Digital Converter (ADC) | 10-bit accuracy, up to 10 multiplexed channels |
| I/Os | Up to 38 user pins including 10 HS I/Os |
Key Features
- AEC-Q100 qualified for automotive applications
- Advanced STM8A core with Harvard architecture and 3-stage pipeline, achieving 10 MIPS at 16 MHz fCPU
- Low-power crystal resonator oscillator with external clock input, internal 16 MHz RC and 128 kHz RC oscillators
- Clock security system with clock monitor
- Nested interrupt controller with 32 vectors, up to 34 external interrupts on 5 vectors
- LINUART (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 STM8AF6266UCX is primarily designed for automotive applications, including but not limited to:
- Automotive control systems
- Body electronics
- Powertrain control
- Infotainment systems
- Safety and security systems
Q & A
- What is the maximum operating temperature of the STM8AF6266UCX?
The STM8AF6266UCX can operate up to 150 °C. - What is the flash memory capacity of the STM8AF6266UCX?
The flash memory capacity is 32 Kbyte. - Is the STM8AF6266UCX AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified. - What communication interfaces are available on the STM8AF6266UCX?
The microcontroller features LINUART (LIN 2.2 compliant), SPI, and I2C interfaces. - What is the resolution of the ADC on the STM8AF6266UCX?
The ADC has a 10-bit resolution. - How many user pins are available on the STM8AF6266UCX?
Up to 38 user pins are available, including 10 HS I/Os. - What is the maximum frequency of the CPU?
The maximum CPU frequency is 16 MHz. - Does the STM8AF6266UCX have any power-saving modes?
Yes, it has wait/auto-wakeup/Halt low-power modes with user definable clock gating. - What is the endurance of the data EEPROM?
The data EEPROM has an endurance of 300 kcycle. - What type of timers are available on the STM8AF6266UCX?
The microcontroller includes up to 2 general purpose 16-bit PWM timers and an advanced control timer.
