The R6551P is a Single Channel UART (Universal Asynchronous Receiver/Transmitter) manufactured by Conexant Systems. It is designed to provide asynchronous serial communication capabilities to a variety of systems. The UART facilitates the conversion of parallel data from a microprocessor or microcontroller into serial data suitable for transmission over a communication channel, and vice-versa.

Applications:

• Modems
• Serial printers
• Data acquisition systems
• Industrial control equipment
• Computer peripherals
• Embedded systems

Features:

• Single-channel UART
• Full duplex operation
• Programmable baud rate generator
• Parity generation and checking
• Data framing and error detection
• Interrupt generation

Benefits:

• Enables serial communication for microprocessors and microcontrollers
• Supports a variety of communication protocols
• Provides error detection for reliable data transfer
• Offers flexible configuration options for different applications
• Simplifies the interface between digital systems and serial communication channels

Technical Specifications:

The R6551P UART supports baud rates up to 19.2 kbps. It includes programmable data formats with 5, 6, 7, or 8 data bits; odd, even, or no parity; and 1 or 2 stop bits. The device incorporates on-chip transmit and receive buffers to minimize CPU intervention and features interrupt output to signal the completion of data transmission or reception. It typically operates at 5V. Its compact design makes it suitable for a wide range of embedded applications where reliable serial communication is essential.