Overview
The STM8AF6268TCX is a robust and feature-rich 8-bit microcontroller from STMicroelectronics, designed specifically for automotive applications. It is part of the STM8A family, which is known for its reliability and performance. The STM8AF6268TCX is built around the proprietary STM8 core, capable of delivering up to 16 MHz clock frequency and achieving 10 MIPS. This microcontroller is engineered to operate under a wide range of conditions, including ambient temperatures up to 150 °C and supply voltages as low as 3.0 V, making it an ideal solution for demanding automotive environments.
Key Specifications
| Specification | Value |
|---|---|
| Core | STM8A core, Harvard architecture, 3-stage pipeline |
| Maximum Clock Frequency | 16 MHz |
| Performance | Up to 10 MIPS at 16 MHz |
| Flash Program Memory | 16 to 32 Kbyte |
| Data Memory | 0.5 to 1 Kbyte true data EEPROM |
| RAM | 2 Kbyte |
| ADC Resolution | 10-bit |
| Number of I/Os | Up to 38 user pins |
| Supply Voltage | 3.0 V to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Communication Interfaces | LIN 2.2, UART, SPI, I²C |
| 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 |
Key Features
- Advanced STM8A Core: Harvard architecture with a 3-stage pipeline, delivering up to 10 MIPS at 16 MHz.
- Robust I/O Design: Highly robust I/O design, immune against current injection.
- Communication Interfaces: LIN 2.2 compliant, UART, SPI up to 8 Mbit/s, and I²C up to 400 Kbit/s.
- Analog-to-Digital Converter (ADC): 10-bit accuracy with up to 10 multiplexed channels and individual data buffers.
- Timers and Watchdogs: Multiple timers including general purpose 16-bit PWM timers, advanced control timer, and watchdog timers.
- Low-Power Modes: Wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- Single Wire Interface Module (SWIM): Integrated single-wire debug module for efficient debugging.
- AEC-Q100 Rev G Qualified: Meets automotive quality standards for reliability and performance.
Applications
The STM8AF6268TCX is specifically designed for automotive applications where reliability, performance, and robustness are critical. It is suitable for a variety of use cases, including:
- Automotive control systems
- Sensor interfaces and data processing
- Communication systems within vehicles
- Power management and monitoring
- Other high-reliability automotive electronics
Q & A
- What is the maximum clock frequency of the STM8AF6268TCX?
The maximum clock frequency is 16 MHz.
- What is the resolution of the ADC in the STM8AF6268TCX?
The ADC resolution is 10-bit.
- How many I/O pins does the STM8AF6268TCX have?
It has up to 38 user pins.
- What are the communication interfaces available on the STM8AF6268TCX?
The microcontroller features LIN 2.2, UART, SPI, and I²C interfaces.
- What is the operating temperature range of the STM8AF6268TCX?
The operating temperature range is up to 150 °C.
- Is the STM8AF6268TCX AEC-Q100 qualified?
Yes, it is AEC-Q100 Rev G qualified.
- What types of timers are available on the STM8AF6268TCX?
The microcontroller includes general purpose 16-bit PWM timers, an advanced control timer, an 8-bit AR basic timer, an auto-wakeup timer, and window and independent watchdog timers.
- Does the STM8AF6268TCX support low-power modes?
Yes, it supports wait/auto-wakeup/Halt low-power modes with user-definable clock gating.
- What is the purpose of the Single Wire Interface Module (SWIM) in the STM8AF6268TCX?
The SWIM is used for single-wire debugging.
- What is the supply voltage range for the STM8AF6268TCX?
The supply voltage range is from 3.0 V to 5.5 V.
