Microchip Technology

AT91SAM7S321-AU  

Microcontrollers

AT91SAM7S321-AU Description

The AT91SAM7S321-AU is a high-performance microcontroller from Microchip Technology, designed for embedded applications requiring robust processing capabilities and efficient power management. This device features an ARM7® core processor, capable of operating at a clock speed of 55MHz, ensuring rapid execution of complex tasks. It integrates 32KB of FLASH program memory and 8KB of RAM, providing ample storage for both code and data. The AT91SAM7S321-AU is equipped with a wide range of connectivity options, including I2C, SPI, SSC, UART/USART, and USB, making it versatile for various communication protocols. Additionally, it includes an internal oscillator and 8-channel 10-bit A/D converters, enhancing its functionality for analog signal processing.

AT91SAM7S321-AU Features

• Core Processor: ARM7® core, delivering high performance and efficiency.
• Program Memory: 32KB FLASH, offering non-volatile storage for program code.
• RAM Size: 8KB RAM, providing sufficient space for data storage and processing.
• Speed: 55MHz clock speed, ensuring fast and responsive operation.
• Voltage Range: 1.65V to 1.95V, supporting low-power applications.
• Connectivity: Comprehensive set of interfaces including I2C, SPI, SSC, UART/USART, and USB.
• Data Converters: 8-channel 10-bit A/D converters for precise analog signal processing.
• I/O Pins: 32 I/O pins, providing extensive connectivity options.
• Mounting Type: Surface Mount, suitable for compact and modern PCB designs.
• Moisture Sensitivity Level (MSL): Level 3 (168 Hours), ensuring reliability in various environmental conditions.
• RoHS Status: ROHS3 Compliant, meeting environmental and safety standards.
• REACH Status: REACH Unaffected, ensuring compliance with chemical safety regulations.
• Programmability: DigiKey Programmable (Verified), facilitating easy development and customization.
• Package: Tray packaging, suitable for bulk handling and assembly processes.

AT91SAM7S321-AU Applications

The AT91SAM7S321-AU is ideal for a variety of applications due to its versatile feature set and robust performance. Some specific use cases include:

• Consumer Electronics: Ideal for devices requiring low power consumption and high performance, such as portable media players, smart home controllers, and wearable technology.
• Industrial Automation: Suitable for control systems, sensors, and actuators that demand reliable communication and precise data processing.
• Medical Devices: Applicable in medical monitoring equipment and diagnostic tools, where accuracy and reliability are paramount.
• Automotive Electronics: Can be used in vehicle control units, infotainment systems, and advanced driver assistance systems (ADAS).
• Communication Systems: Effective in embedded communication modules, routers, and gateways, leveraging its extensive connectivity options.

Conclusion of AT91SAM7S321-AU

The AT91SAM7S321-AU is a versatile and powerful microcontroller that stands out in the embedded IC chips market. Its ARM7® core processor, combined with 32KB of FLASH memory and 8KB of RAM, ensures efficient processing and storage capabilities. The inclusion of multiple communication interfaces, such as I2C, SPI, SSC, UART/USART, and USB, makes it highly adaptable to various applications. The device's low power consumption, surface mount design, and compliance with environmental standards further enhance its appeal. Despite its obsolete status, the AT91SAM7S321-AU remains a reliable choice for developers seeking a robust and feature-rich microcontroller for their embedded projects.

AT91SAM7S321-AU Documents

Download datasheets and manufacturer documentation for AT91SAM7S321-AU

Datasheets :

AT91SAM Datasheet       AT91SAM Summary      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT91SAM7S321 Development Tool Selector      

PCN Obsolescence/ EOL :

Multiple Devices 28/Aug/2013      

HTML Datasheet :

AT91SAM Summary      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH