The NXP SC16C550B is a standalone Universal Asynchronous Receiver/Transmitter (UART) that serves as a serial communication controller suitable for interfacing with a variety of microprocessors and microcontrollers. It is an improved version of the standard 16450 UART and provides enhanced features for reliable data exchange in complex applications.

Key Features

• Extended Baud Rate: The SC16C550B supports baud rates up to 1.5 Mbps, making it a versatile choice for high-speed serial data communication.
• FIFO Buffers: Equipped with 16-byte FIFOs for both transmit and receive operations, this IC helps reduce the overhead of CPU intervention, improving system efficiency and throughput.
• Programmable Character Length: It can be programmed for 5-, 6-, 7-, or 8-bit character lengths, allowing for customization based on specific protocol requirements.
• Modem Control: Full modem control capability ensures that it can be used in applications requiring hardware flow control and modem interface.
• Enhanced Register Set: The SC16C550B includes additional registers for improved interrupt handling and expanded feature control.
• Flexible Clocking Options: It can be clocked from an external source or by an internal baud rate generator.

Applications

The SC16C550B is well-suited for a broad range of applications in various industries. Its ability to handle higher data rates and its robust feature set make it ideal for:

• Industrial control systems
• Point-of-sale terminals
• Networking equipment
• Computer peripheral interfacing
• Telecommunications

Technical Specifications

The SC16C550B from NXP is a robust and flexible UART interface IC that offers a significant upgrade for serial communication tasks requiring high-speed data transfer, reliability, and ease of integration.