8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Two Timer/PWMs, ADC, I2C, SPI, SCI The **ST52F513F3M6** is a microcontroller manufactured by **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features based on available data:

### **Specifications:**
- **Manufacturer:** STMicroelectronics (STM)  
- **Core:** 8-bit ST5 core  
- **Operating Frequency:** Up to **8 MHz**  
- **Program Memory (Flash):** **16 KB**  
- **RAM:** **512 bytes**  
- **EEPROM:** **128 bytes**  
- **Operating Voltage:** **4.5V to 5.5V**  
- **Operating Temperature Range:** **-40°C to +85°C**  
- **Package:** **SO-20 (Small Outline, 20 pins)**  
- **I/O Pins:** **15** (multiplexed with other functions)  
- **Timers:**  
  - 8-bit timer with **7-bit prescaler**  
  - 16-bit timer with **8-bit prescaler**  
- **ADC:** **None** (No built-in analog-to-digital converter)  
- **Communication Interfaces:**  
  - **UART (Serial Communication)**  
  - **SPI (Serial Peripheral Interface)**  
  - **I²C (Inter-Integrated Circuit)**  
- **Interrupts:** Multiple interrupt sources with priority levels  
- **Watchdog Timer:** Built-in for system reliability  

### **Descriptions & Features:**  
- Designed for **low-power, cost-sensitive applications**.  
- **Industrial-grade** reliability with robust performance.  
- Includes **on-chip oscillator** for clock generation.  
- Supports **in-circuit programming (ICP)** and **in-application programming (IAP)**.  
- **Low EMI (Electromagnetic Interference)** characteristics.  
- Suitable for **appliance control, automotive, and industrial automation** applications.  

This microcontroller is part of the **ST5 family**, optimized for embedded control tasks with efficient 8-bit processing.  

*(Note: Always refer to the latest datasheet from STMicroelectronics for detailed and updated specifications.)*

8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Two Timer/PWMs, ADC, I2C, SPI, SCI