The XR20M1170IG16-F, manufactured by Exar Corporation, is a single channel UART (Universal Asynchronous Receiver/Transmitter) with a 64-byte FIFO. This device is designed to bridge the gap between serial and parallel interfaces, enabling efficient communication between microcontrollers and other peripheral devices. Its small form factor and low power consumption make it suitable for a wide range of embedded applications.

Applications:

• Mobile devices: Used in cell phones, tablets, and other portable devices for serial communication.
• Handheld terminals: Integrated into handheld terminals for connecting to barcode scanners, printers, and other peripherals.
• Industrial control systems: Employed in industrial control systems for communication with sensors, actuators, and other devices.
• GPS receivers: Used in GPS receivers for serial data output.
• Smart cards readers: Provides serial interface for smart card communication.

Features:

• Single channel UART: Provides one independent UART channel.
• 64-byte FIFO: Reduces CPU overhead by buffering data.
• Data rates up to 5 Mbps: Supports high-speed serial communication.
• Automatic hardware and software flow control: Prevents data loss due to buffer overflow.
• Low power consumption: Designed for energy-efficient operation.
• Small form factor: Available in a compact package for space-constrained applications.

Benefits:

• Improved system performance: The large FIFO buffer reduces CPU overhead, resulting in improved system performance.
• Reduced power consumption: Low-power design extends battery life in portable applications.
• Simplified system design: Automatic flow control simplifies system design and reduces development time.
• Compact size: Small form factor allows for integration into space-constrained applications.
• Reliable data transmission: Automatic flow control ensures reliable data transmission.

Additional Details:

The XR20M1170IG16-F operates from a single 1.8V to 3.3V power supply. It supports a wide range of baud rates and includes advanced features such as automatic RS-485 transceiver control. The device also offers flexible interrupt configuration options. Its combination of features and small size make it a versatile solution for serial communication in a variety of applications.