80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE The **ST72F521M9T6** is a microcontroller from **STMicroelectronics** (ST). Below are its key specifications, descriptions, and features based on factual information:

### **Manufacturer:**  
- **STMicroelectronics (ST)**  

### **Specifications:**  
- **Core:** **ST7** 8-bit microcontroller  
- **CPU Speed:** **8 MHz**  
- **Flash Memory:** **8 KB**  
- **RAM:** **384 bytes**  
- **EEPROM:** **256 bytes**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Package:** **SO-28 (Small Outline, 28-pin)**  
- **Operating Temperature:** **-40°C to +85°C**  

### **Features:**  
- **On-chip peripherals:**  
  - **8-bit Timer with 7-bit prescaler**  
  - **Watchdog Timer (WDT)**  
  - **SPI (Serial Peripheral Interface)**  
  - **I²C (Inter-Integrated Circuit) interface**  
  - **UART (Universal Asynchronous Receiver-Transmitter)**  
  - **8-channel 10-bit ADC (Analog-to-Digital Converter)**  
- **Low-power modes:** **Wait, Halt**  
- **Instruction set optimized for C programming**  
- **Robust reset system (Power-on Reset, Low-voltage Detector)**  

### **Applications:**  
- Industrial control systems  
- Consumer electronics  
- Automotive applications  
- Home appliances  

This information is strictly based on the manufacturer's datasheet and technical documentation.

80/64-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE