Overview
The STM8AF6266TCX is an automotive 8-bit microcontroller from STMicroelectronics, designed for high-performance and robustness in automotive applications. This microcontroller belongs to the STM8A family and is part of the medium density STM8A devices. It offers a range of features that reduce system cost, enhance performance, and ensure product longevity. The STM8AF6266TCX is AEC-Q10x qualified, making it suitable for demanding automotive environments.
Key Specifications
| Parameter | Value |
|---|---|
| Core | STM8A 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 |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | -40 °C to 125 °C |
| Package | LQFP 32 7x7x1.4 mm |
| RoHS Compliance | Ecopack2 |
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
- Internal clock oscillators, watchdog, and brown-out reset
- Low-power crystal resonator oscillator and internal 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
- LIN and UART interfaces, SPI up to 8 Mbit/s, and I2C up to 400 Kbit/s
- 10-bit ADC with up to 10 multiplexed channels and analog watchdog
- Highly robust I/O design, immune against current injection
Applications
The STM8AF6266TCX is designed for various automotive applications, including:
- Automotive body control modules
- Instrument clusters and dashboard controls
- Lighting and wiper systems
- Infotainment and telematics systems
- Other automotive control and monitoring systems
Q & A
- What is the maximum CPU frequency of the STM8AF6266TCX?
The maximum CPU frequency is 16 MHz.
- What is the range of Flash program memory available in the STM8AF6266TCX?
The Flash program memory ranges from 16 to 32 Kbyte.
- 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 operating temperature and voltage ranges for the STM8AF6266TCX?
The operating temperature range is -40 °C to 125 °C, and the supply voltage range is 3.0 V to 5.5 V.
- What communication interfaces are available on the STM8AF6266TCX?
The microcontroller features LIN, UART, SPI, and I2C interfaces.
- Does the STM8AF6266TCX have any low-power modes?
Yes, it has Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- What is the package type of the STM8AF6266TCX?
The package type is LQFP 32 7x7x1.4 mm.
- Is the STM8AF6266TCX RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 grade.
- What development tools are supported by the STM8AF6266TCX?
The microcontroller is supported by tools including STVD/STVP development environment, the STice emulator, and low-cost third-party in-circuit debugging tools.
- What is the significance of AEC-Q10x qualification for the STM8AF6266TCX?
The AEC-Q10x qualification ensures the microcontroller meets the stringent requirements for automotive applications, making it reliable and robust in such environments.
