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The STM8AF52A8TAY is an automotive-grade 8-bit microcontroller (MCU) belonging to the STM8A series, featuring high performance, low power consumption, and a rich set of peripheral interfaces, making it suitable for applications such as automotive electronics and industrial control.

Product Features (STM8AF52A8TAY)

High-Performance Processor: Utilises the STM8A 8-bit core processor with a maximum clock speed of 24MHz, featuring a Harvard architecture and a 3-stage pipeline, enabling efficient data processing and instruction execution to meet the real-time and response speed requirements of automotive electronics.

Large Storage Capacity: Features 128KB of Flash program memory, 6KB of RAM, and 2KB of data EEPROM, capable of meeting the storage needs of complex automotive applications and supporting the implementation of various automotive software functions and data storage.

Rich communication interfaces: Supports multiple communication protocols, including CANbus, I2C, LINbus, SPI, and UART/USART, enabling seamless communication and data exchange with various automotive electronic devices, such as sensors, actuators, and in-vehicle networks, to build automotive electronic control systems.

Low-power design: Features multiple low-power modes, such as standby mode, low-power operation mode, low-power standby mode, and active suspend mode with a full RTC, effectively reducing power consumption to meet automotive requirements for energy efficiency and extended battery life.

High-performance analogue peripherals: Integrated with a 10-bit 10-channel ADC and a 10-bit DAC, supporting high-precision analogue signal acquisition and processing, suitable for applications such as sensor signal acquisition and motor control in automotive systems.

High reliability and safety: Complies with automotive-grade standards, with an operating temperature range of -40°C to +85°C, and features multiple protection functions such as under-voltage detection and a watchdog timer (WDT) to ensure stable and reliable operation in harsh automotive environments.

Technical specifications (STM8AF52A8TAY)

Core: STM8A 8-bit processor

Clock speed: 24MHz

Memory: 128KB Flash, 6KB RAM, 2KB EEPROM  

Supply Voltage: 3V to 5.5V  

Operating Temperature: -40°C to +85°C  

Package Type: 48-pin LQFP  

I/O Count: 38  

ADC: 10-bit, 10-channel  

DAC: 10-bit

Communication interfaces: CANbus, I2C, LINbus, SPI, UART/USART

Application areas

The STM8AF52A8TAY is suitable for various applications in automotive electronic control systems, such as body electronic control units (ECUs), automotive instrument panels, automotive air conditioning systems, automotive lighting systems, automotive audio systems, automotive sensor interfaces, and more. It can also be used in industrial control and other cost-sensitive applications.

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