STMicroelectronics

ST72F321J7T6TR

ST72F321J7T6TR Description

The ST72F321J7T6TR is an 8-bit microcontroller (MCU) from STMicroelectronics, featuring a robust set of peripherals and a versatile architecture suitable for a wide range of embedded applications. This MCU is part of the ST7 series, known for its reliability and performance in various industrial and consumer electronics. Despite being marked as obsolete, the ST72F321J7T6TR remains a valuable component due to its extensive feature set and compatibility with existing systems.

ST72F321J7T6TR Features

• Core Processor: The ST72F321J7T6TR is powered by the ST7 core processor, capable of operating at a speed of 8MHz, ensuring efficient processing capabilities for real-time applications.
• Program Memory: It features 48KB of FLASH memory (48K x 8), providing ample space for storing complex programs and data.
• RAM Size: The MCU includes 1.5K x 8 of RAM, offering sufficient memory for handling multiple tasks and data storage requirements.
• I/O and Connectivity: With 32 I/O pins and connectivity options such as I2C, SCI, and SPI, the ST72F321J7T6TR is highly versatile and can interface with a variety of peripherals and sensors.
• Peripherals: The MCU integrates several essential peripherals, including Low Voltage Detection (LVD), Power-On Reset (POR), Pulse Width Modulation (PWM), and a Watchdog Timer (WDT), enhancing its functionality and reliability.
• Data Converters: It includes 16 channels of 10-bit Analog-to-Digital Converters (ADC), making it suitable for applications requiring precise analog signal processing.
• Oscillator Type: The internal oscillator ensures stable clock generation without the need for external components, simplifying the design and reducing the overall footprint.
• Package Type: The ST72F321J7T6TR is available in a 44-pin LQFP package, suitable for surface mount technology (SMT), which is ideal for compact and high-density PCB designs.
• Voltage Range: It operates within a voltage range of 3.8V to 5.5V, providing flexibility in power supply options.
• Compliance: The MCU is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the ST72F321J7T6TR is suitable for manufacturing environments with controlled humidity levels.

ST72F321J7T6TR Applications

The ST72F321J7T6TR is ideal for a variety of applications due to its comprehensive feature set and robust performance. Some specific use cases include:

• Industrial Automation: The MCU's extensive I/O capabilities and onboard peripherals make it suitable for controlling and monitoring industrial processes, such as motor control, sensor interfacing, and data acquisition.
• Consumer Electronics: Its compact size and versatile connectivity options make it ideal for consumer devices, such as smart home appliances, wearable technology, and portable electronic gadgets.
• Automotive Systems: The ST72F321J7T6TR can be used in automotive applications for functions like engine control units, infotainment systems, and advanced driver assistance systems (ADAS).
• Medical Devices: The precision of its ADC and the reliability of its peripherals make it suitable for medical equipment, such as patient monitoring devices and diagnostic tools.

Conclusion of ST72F321J7T6TR

The ST72F321J7T6TR from STMicroelectronics is a versatile and reliable 8-bit microcontroller, offering a comprehensive set of features and performance benefits. Despite its obsolete status, it remains a valuable component for applications requiring a balance of processing power, memory, and peripheral integration. Its compatibility with existing systems and adherence to environmental standards make it a practical choice for engineers and designers in various industries. Whether used in industrial automation, consumer electronics, automotive systems, or medical devices, the ST72F321J7T6TR provides a robust solution for embedded applications.