The ST16C554DIQ64 is a Quad Universal Asynchronous Receiver/Transmitter (UART) with FIFOs. This device, manufactured by MaxLinear (formerly Exar Corporation), is designed to provide asynchronous serial communication with enhanced features for a wide range of applications. It integrates four independent UART channels into a single chip, offering efficient and flexible serial data handling.

Applications:

• Serial Ports: Used to add multiple serial ports to computers and embedded systems.
• Modems: Implemented in modems and other communication devices.
• Data Acquisition Systems: Found in data acquisition systems for serial communication with sensors and peripherals.
• Industrial Automation: Utilized in industrial automation equipment for controlling and monitoring serial devices.
• Point-of-Sale Systems: Employed in point-of-sale (POS) systems for connecting to serial printers and scanners.

Features:

• Quad UART: Contains four independent UART channels.
• FIFO Buffers: Includes 16-byte transmit and receive FIFOs to reduce CPU overhead.
• Programmable Baud Rate Generator: Features a programmable baud rate generator for flexible serial communication speeds.
• Interrupt Control: Offers flexible interrupt control options.
• Modem Control Signals: Supports modem control signals for hardware flow control.
• Automatic Hardware/Software Flow Control: Implements automatic hardware and software flow control.
• Data Rates up to 3 Mbps: Supports data rates up to 3 Mbps.

Benefits:

• Increased Throughput: FIFO buffers increase throughput and reduce CPU overhead.
• Flexible Configuration: Programmable features allow for flexible configuration to meet different application requirements.
• Simplified System Design: Integrated features simplify system design.
• Reliable Communication: Provides reliable and consistent serial communication.

Additional Details:

The ST16C554DIQ64 is designed to meet the requirements of various serial communication standards. It typically operates with a supply voltage of 3.3V or 5V. The device is available in a QFP (Quad Flat Package). Detailed specifications, pin configurations, and application notes can be found in the official datasheet from MaxLinear.