8-bit MCU The **ST72F321BAR9T6** is a microcontroller from **STMicroelectronics** (ST). Below are its key specifications, descriptions, and features based on available data:
### **Specifications:**
- **Core:** 8-bit ST7 core
- **Operating Frequency:** Up to **8 MHz**
- **Flash Memory:** **32 KB**
- **RAM:** **1 KB**
- **EEPROM:** **1 KB**
- **Operating Voltage:** **4.5V to 5.5V**
- **Package:** **LQFP64** (Low-profile Quad Flat Package, 64 pins)
- **Temperature Range:** **-40°C to +85°C**
- **I/O Pins:** **51**
- **Timers:**
- 2 × 16-bit timers with PWM
- 1 × 8-bit timer
- **Communication Interfaces:**
- **SPI** (Serial Peripheral Interface)
- **I²C** (Inter-Integrated Circuit)
- **UART** (Universal Asynchronous Receiver-Transmitter)
- **ADC:** **10-bit**, **8 channels**
- **Watchdog Timer:** Yes (Independent)
- **Interrupts:** Multiple interrupt sources
### **Descriptions:**
- The **ST72F321BAR9T6** is part of the **ST7 microcontroller family**, designed for embedded applications requiring moderate processing power and low power consumption.
- It integrates **Flash memory**, **RAM**, and **EEPROM**, making it suitable for applications needing in-circuit reprogrammability.
- The **LQFP64 package** allows for compact PCB designs while providing sufficient I/O for interfacing with peripherals.
### **Features:**
- **Low-power modes** for energy-efficient operation.
- **Robust I/O handling** with high sink/source capability.
- **On-chip debugging support** for easier development.
- **Industrial-grade reliability** with extended temperature range.
- **Motor control capabilities** (PWM outputs for driving motors).
This microcontroller is commonly used in:
- **Automotive systems**
- **Industrial control**
- **Consumer electronics**
- **Home appliances**
For detailed electrical characteristics, refer to the official **ST72F321BAR9T6 datasheet** from STMicroelectronics.
