STMicroelectronics

ST72F321AR6TA

ST72F321AR6TA Description

The ST72F321AR6TA is an 8-bit microcontroller from STMicroelectronics, featuring a core processor based on the ST7 architecture. This microcontroller is designed for embedded applications requiring a balance of performance, memory, and connectivity options. It offers 32KB of FLASH program memory and 1K x 8 RAM, providing ample storage for complex applications. The device operates within a supply voltage range of 3.8V to 5.5V and supports an internal oscillator, ensuring stable and efficient operation.

ST72F321AR6TA Features

• Core Processor: The ST7 core processor ensures efficient execution of instructions, making it suitable for a variety of embedded applications.
• Program Memory: 32KB FLASH memory (32K x 8) allows for extensive program storage, accommodating complex algorithms and multiple functionalities.
• RAM Size: 1K x 8 RAM provides sufficient temporary storage for data processing and variable storage.
• Speed: Operating at 8MHz, the ST72F321AR6TA delivers high-speed processing capabilities, ideal for real-time applications.
• Peripherals: Integrated peripherals such as Low Voltage Detection (LVD), Power-On Reset (POR), Pulse Width Modulation (PWM), and Watchdog Timer (WDT) enhance the microcontroller's functionality and reliability.
• Connectivity: The microcontroller supports I2C, SCI, and SPI interfaces, facilitating communication with various external devices and sensors.
• Data Converters: 16x10-bit A/D converters provide high-resolution analog-to-digital conversion, making it suitable for applications requiring precise analog signal processing.
• I/O Ports: With 48 I/O pins, the ST72F321AR6TA offers extensive connectivity options for interfacing with multiple peripherals and sensors.
• Mounting Type: Surface mount technology ensures ease of integration into compact and high-density designs.
• Package: Available in a 64LQFP package, it is suitable for applications requiring a robust and reliable physical form factor.
• Compliance: The device is REACH unaffected and ROHS3 compliant, ensuring environmental and regulatory compliance.

ST72F321AR6TA Applications

The ST72F321AR6TA is ideal for a wide range of embedded applications, including:

• Consumer Electronics: Appliances, home automation systems, and smart meters benefit from its high-speed processing and extensive connectivity options.
• Industrial Control: Automation systems, motor control, and process control applications leverage its robust peripherals and reliable performance.
• Medical Devices: Portable medical devices and diagnostic equipment can utilize its precise A/D conversion and low-power operation.
• Automotive: In-vehicle systems, such as infotainment and control units, benefit from its high-speed processing and reliable communication interfaces.

Conclusion of ST72F321AR6TA

The ST72F321AR6TA is a versatile and powerful 8-bit microcontroller from STMicroelectronics, offering a comprehensive set of features and capabilities. Its 32KB FLASH memory, 1K x 8 RAM, and 8MHz processing speed make it suitable for complex embedded applications. The inclusion of advanced peripherals and connectivity options enhances its functionality, making it an ideal choice for consumer electronics, industrial control, medical devices, and automotive applications. Despite being marked as obsolete, the ST72F321AR6TA remains a reliable and efficient solution for many embedded system designs.