The XR20M1170IL24TR is a single-channel UART (Universal Asynchronous Receiver/Transmitter) from Exar Corporation. It is designed to provide a flexible and efficient serial communication interface for a wide range of applications. This device is known for its low power consumption and advanced features, making it suitable for portable and embedded systems.

Applications:

• Embedded systems
• Serial communication interfaces
• Data acquisition systems
• Industrial automation
• Point-of-sale (POS) terminals
• Modems

Features:

• Single UART channel
• Data rates up to 5 Mbps
• Low power consumption
• Auto hardware/software flow control
• Automatic RS-485 half-duplex direction control
• Transmit and receive FIFOs
• Internal loopback diagnostics
• 24-pin QFN package

Benefits:

• Provides reliable and efficient serial communication
• Low power consumption extends battery life in portable applications
• Automatic flow control simplifies software development
• Small package size reduces board space requirements
• Flexible configuration options allow for customization to specific application needs

Additional Details:

The XR20M1170 is a versatile UART that supports a wide range of baud rates and data formats. The 'IL24TR' suffix likely refers to the package type (24-pin QFN) and tape and reel packaging. The device integrates a fractional baud rate generator, allowing for precise baud rate selection. Detailed specifications, including pinout diagrams, timing diagrams, and register descriptions, can be found in the Exar datasheet. The device is designed to interface with various microcontrollers and processors. Proper configuration of the UART registers is essential for correct operation. Refer to the datasheet for details on register settings and programming examples.