Overview
The STM8AF6226TAY is an automotive 8-bit microcontroller from STMicroelectronics, part of the STM8A family. These microcontrollers are designed to offer high performance, robustness, and reduced system cost. They feature advanced core and peripherals made in state-of-the-art technology, suitable for automotive applications. The STM8AF6226TAY provides a 16 MHz CPU, integrated true data EEPROM, and various peripherals such as timers, communication interfaces, and an analog-to-digital converter (ADC). This device is AEC-Q100 qualified, ensuring reliability and compliance with automotive standards.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | STM8A, 8-bit |
| Maximum CPU Frequency | 16 MHz |
| Program Memory | 4 to 8 Kbytes Flash program memory |
| Data Memory | 640 bytes true data EEPROM, endurance 300 kcycles |
| RAM | 1 Kbyte |
| Operating Voltage | 3 to 5.5 V |
| Operating Temperature | Up to 150 °C |
| Package | LQFP 32 7x7x1.4 mm |
| Communication Interfaces | LIN (LIN 2.2 compliant), SPI (up to 8 Mbit/s), I²C (up to 400 Kbit/s) |
| Analog to Digital Converter (ADC) | 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel |
Key Features
- AEC-Q100 Qualified: Ensures reliability and compliance with automotive standards.
- Advanced Core: STM8A core with Harvard architecture and 3-stage pipeline.
- Integrated Memories: Up to 8 Kbytes Flash program memory, 640 bytes true data EEPROM, and 1 Kbyte RAM.
- Clock Management: Low-power crystal resonator oscillator, internal user-trimmable 16 MHz RC and low-power 128 kHz RC oscillators, and clock security system.
- Timers: Advanced control timer, 16-bit general purpose timer, 8-bit AR basic timer, auto-wakeup timer, and window and independent watchdog timers.
- I/Os: Up to 28 I/Os on a 32-pin package including 21 high sink outputs, highly robust I/O design immune against current injection.
- Communication Interfaces: LINUART (LIN 2.2 compliant), SPI (up to 8 Mbit/s), I²C (up to 400 Kbit/s).
- Analog to Digital Converter (ADC): 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel.
Applications
The STM8AF6226TAY is designed for various automotive applications, including:
- Automotive control units
- Body electronics
- Powertrain control
- Safety and security systems
- Infotainment systems
Q & A
- What is the maximum CPU frequency of the STM8AF6226TAY?
The maximum CPU frequency is 16 MHz.
- What type of memory does the STM8AF6226TAY have?
The device has up to 8 Kbytes Flash program memory, 640 bytes true data EEPROM, and 1 Kbyte RAM.
- What are the communication interfaces available on the STM8AF6226TAY?
The device features LIN (LIN 2.2 compliant), SPI (up to 8 Mbit/s), and I²C (up to 400 Kbit/s) interfaces.
- What is the operating voltage range of the STM8AF6226TAY?
The operating voltage range is 3 to 5.5 V.
- What is the maximum operating temperature of the STM8AF6226TAY?
The maximum operating temperature is up to 150 °C.
- Is the STM8AF6226TAY AEC-Q100 qualified?
Yes, the device is AEC-Q100 qualified, ensuring reliability and compliance with automotive standards.
- What type of ADC does the STM8AF6226TAY have?
The device features a 10-bit, ± 1 LSB ADC with up to 7 muxed channels + 1 internal channel.
- What are the key benefits of using the STM8AF6226TAY?
The key benefits include reduced system cost, high performance, robustness, short development cycles, and product longevity.
- What development tools are available for the STM8AF6226TAY?
The device is supported by tools such as STVD/STVP development environment, the STice emulator, and low-cost, third-party in-circuit debugging tools.
- What is the package type of the STM8AF6226TAY?
The device is available in LQFP 32 7x7x1.4 mm and VFQFPN 32 5x5x1.0 mm packages.
