ST72321 The **ST72F321R9TA** is a microcontroller from **STMicroelectronics** with the following specifications, descriptions, and features:
### **Manufacturer:**
STMicroelectronics
### **Specifications:**
- **Core:** ST7 8-bit microcontroller
- **Operating Frequency:** Up to **8 MHz**
- **Program Memory (Flash):** **32 KB**
- **RAM:** **1 KB**
- **EEPROM:** **1 KB**
- **I/O Ports:** **38 pins**
- **Timers:**
- 16-bit timer with **PWM**
- 8-bit timer with **PWM**
- Watchdog timer
- **ADC:** 10-bit, **8 channels**
- **Communication Interfaces:**
- **SPI** (Serial Peripheral Interface)
- **I²C** (Inter-Integrated Circuit)
- **UART** (Universal Asynchronous Receiver-Transmitter)
- **Operating Voltage:** **3.0V to 5.5V**
- **Operating Temperature Range:** **-40°C to +85°C**
- **Package:** **LQFP-48**
### **Descriptions:**
The **ST72F321R9TA** is an 8-bit microcontroller based on the **ST7 core**, designed for embedded applications requiring high performance and low power consumption. It integrates **32 KB Flash memory**, **1 KB RAM**, and **1 KB EEPROM**, along with multiple peripherals such as **ADC, PWM, timers, and communication interfaces**.
### **Features:**
- **High-performance ST7 core** with **8 MHz operation**
- **On-chip Flash memory** for program storage
- **EEPROM** for data retention
- **10-bit ADC** for analog signal processing
- **Multiple communication interfaces (SPI, I²C, UART)**
- **Low-power modes** for energy efficiency
- **Robust I/O handling** with **38 I/O pins**
- **Industrial temperature range (-40°C to +85°C)**
This microcontroller is suitable for applications such as **industrial control, consumer electronics, automotive systems, and embedded devices**.
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