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ST72F321AR9TA from ST,ST Microelectronics

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ST72F321AR9TA

Manufacturer: ST

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

Partnumber Manufacturer Quantity Availability
ST72F321AR9TA ST 1970 In Stock

Description and Introduction

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE The **ST72F321AR9TA** is a microcontroller from STMicroelectronics. Below are the key specifications, descriptions, and features based on the manufacturer's data:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Core:** ST7 8-bit microcontroller  
- **CPU Speed:** Up to 8 MHz  
- **Program Memory (Flash):** 8 KB  
- **RAM:** 384 bytes  
- **EEPROM:** 256 bytes  
- **Operating Voltage:** 4.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin LQFP  

### **Features:**  
- **On-chip Peripherals:**  
  - 10-bit ADC (8 channels)  
  - Two 16-bit timers with PWM  
  - SPI and I²C interfaces  
  - Watchdog timer  
  - UART for serial communication  
- **Low Power Modes:** Halt and Wait modes for power saving  
- **Robust I/O Ports:** Multiple GPIOs with interrupt capability  
- **Development Support:** In-circuit programming and debugging  

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

This information is sourced directly from STMicroelectronics' official documentation.

Application Scenarios & Design Considerations

64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE

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