The R6551-13 is a single-chip Asynchronous Communications Interface Adapter (ACIA) manufactured by Rockwell. It's designed to provide asynchronous serial communication capabilities for microprocessors and microcontrollers.

Applications

• Computer Terminals
• Modems
• Printers
• Industrial Control Systems
• Serial Communication Interfaces

Features

• Asynchronous Serial Communication: Supports asynchronous data transmission and reception.
• Programmable Baud Rate Generator: Allows for selecting various baud rates for serial communication.
• Data Format Options: Supports different data formats, including various word lengths, parity options, and stop bits.
• Full-Duplex Operation: Enables simultaneous transmission and reception of data.
• Interrupt Capability: Generates interrupts to signal the microprocessor about data reception or transmission completion.
• Modem Control Signals: Includes control signals for interfacing with modems (e.g., CTS, RTS, DSR, DTR, DCD).
• Error Detection: Detects framing errors, parity errors, and overrun errors.
• Package: DIP package.

Benefits

• Standard Serial Communication Interface: Provides a standardized interface for asynchronous serial communication.
• Flexible Configuration: Programmable baud rate, data format, and interrupt options allow for flexible configuration.
• Easy Integration: Easy to interface with microprocessors and microcontrollers.

Technical Specifications

The R6551-13 is a single-chip ACIA that provides asynchronous serial communication capabilities. It includes a programmable baud rate generator and supports various data format options. The device features interrupt capability and modem control signals. It comes in a DIP package and typically operates from a 5V power supply.