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STM8AF52AATAY from ST,ST Microelectronics

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STM8AF52AATAY

Manufacturer: ST

Automotive CAN and LIN line 8-bit MCU with 128 Kbytes Flash, 24 MHz CPU, integrated EEPROM

Partnumber Manufacturer Quantity Availability
STM8AF52AATAY ST 5 In Stock

Description and Introduction

Automotive CAN and LIN line 8-bit MCU with 128 Kbytes Flash, 24 MHz CPU, integrated EEPROM The **STM8AF52AATAY** is a microcontroller from STMicroelectronics. Here are its key specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Core:** STM8A, 8-bit  
- **Operating Frequency:** Up to 24 MHz  
- **Flash Memory:** 128 KB  
- **RAM:** 6 KB  
- **EEPROM:** 2 KB  
- **Operating Voltage:** 3.0V to 5.5V  
- **Temperature Range:** -40°C to +125°C  
- **Package:** LQFP-64 (10x10mm)  

### **Descriptions:**  
- Automotive-grade microcontroller designed for robust performance in harsh environments.  
- Based on the STM8A core with advanced peripherals for automotive applications.  
- Supports LIN, CAN, and other communication protocols.  

### **Features:**  
- **High Reliability:** AEC-Q100 qualified for automotive use.  
- **Rich Peripherals:**  
  - 10-bit ADC (up to 16 channels)  
  - Timers (16-bit and 8-bit)  
  - SPI, I²C, UART interfaces  
  - CAN 2.0B controller  
  - LIN 2.1 interface  
- **Low Power Modes:** Halt, Active-Halt, and Wait modes for power efficiency.  
- **Robust Safety:** Watchdog timer, clock security system, and supply voltage monitoring.  

This microcontroller is suitable for automotive applications such as body control modules, sensors, and lighting systems.  

(Note: Always verify datasheets for the latest specifications.)

Application Scenarios & Design Considerations

Automotive CAN and LIN line 8-bit MCU with 128 Kbytes Flash, 24 MHz CPU, integrated EEPROM

Alternative Part Number

  • STM8S208C8T6 --: Same STM8 core family with comparable 64KB flash and CAN/LIN peripherals; different series naming makes it easy to distinguish and is a common drop-in for automotive-grade STM8 designs.
  • STM8AF52A8TAY --: Automotive-grade STM8A variant in the same package family with reduced flash; suitable when the full 128KB of the original is not required.
  • PIC18F25K80-I/SP --: Cross-vendor alternative with integrated CAN controller and comparable 32KB flash; requires firmware porting but offers a clearly different part numbering scheme.

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