8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE The **ST72F321AR7T6** is a microcontroller from **STMicroelectronics (STM)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Core:** ST7 8-bit microcontroller  
- **Operating Frequency:** Up to **8 MHz**  
- **Flash Memory:** **8 KB**  
- **RAM:** **384 bytes**  
- **EEPROM:** **256 bytes**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Package:** **LQFP-32**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Features:**
- **On-chip peripherals:**  
  - **10-bit ADC** (8 channels)  
  - **Two 16-bit timers** (with PWM capability)  
  - **SPI, I²C, and UART interfaces**  
  - **Watchdog Timer (WDT)**  
  - **Real-Time Clock (RTC)**  
- **Low-power modes:** Halt, Active Halt, and Wait modes  
- **Robust I/O ports** with interrupt capability  
- **Industrial-grade reliability**  

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

This microcontroller is designed for embedded applications requiring moderate processing power and low power consumption.

8-BIT MCU WITH NESTED INTERRUPTS, FLASH,10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE