8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE The **ST72F321BJ6T6** is a microcontroller from **STMicroelectronics** (ST) based on the **ST7** core. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Core:** 8-bit ST7  
- **Clock Speed:** Up to **8 MHz**  
- **Operating Voltage:** **3.0V to 5.5V**  
- **Flash Memory:** **8 KB**  
- **RAM:** **384 bytes**  
- **EEPROM:** **256 bytes**  
- **Timers:**  
  - 1 × 16-bit timer with **PWM**  
  - 1 × 8-bit timer  
- **ADC:** **10-bit, 8 channels**  
- **Communication Interfaces:**  
  - **SPI**  
  - **I²C**  
  - **UART (SCI)**  
- **GPIO Pins:** **32**  
- **Package:** **LQFP-32**  
- **Operating Temperature:** **-40°C to +85°C**  

### **Descriptions:**
- Designed for **industrial, consumer, and automotive applications**.  
- Features **low-power modes** for energy efficiency.  
- Includes **watchdog timer (WDT)** for system reliability.  
- Supports **in-circuit programming (ICP)** and **in-application programming (IAP)**.  

### **Features:**
- **High-performance 8-bit architecture** with **CISC instruction set**.  
- **On-chip oscillator** with **clock security system (CSS)**.  
- **Robust I/O ports** with **high sink/source capability**.  
- **Interrupt handling** with **multiple priority levels**.  
- **Low EMI emission** for noise-sensitive applications.  

This microcontroller is suitable for embedded control applications requiring moderate processing power and peripheral integration.

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