The CDP65C51D2 is a CMOS Universal Asynchronous Receiver/Transmitter (UART) manufactured by Rochester Electronics. This UART is designed for serial data communication and is commonly used in embedded systems and communication devices. Rochester Electronics specializes in manufacturing end-of-life and mature products, ensuring continued availability of critical components.

Applications:

• Embedded Systems: Used in microcontroller-based systems for serial communication with peripherals and other devices.
• Communication Devices: Employed in modems, serial printers, and other devices requiring asynchronous serial data transfer.
• Industrial Control Systems: Integrated into industrial equipment for data acquisition and control via serial interfaces.
• Instrumentation: Utilized in test and measurement equipment for communication with computers and other instruments.
• Legacy System Support: Provides a drop-in replacement for older systems needing UART functionality.

Features:

• CMOS Technology: Offers low power consumption and high noise immunity.
• Programmable Baud Rate Generator: Allows flexible configuration of the data transmission rate.
• Full-Duplex Operation: Supports simultaneous transmission and reception of data.
• Double Buffered Transmitter and Receiver: Enhances data throughput and reduces CPU overhead.
• Parity Generation and Checking: Provides error detection for reliable data transmission.

Benefits:

• Low Power Consumption: Reduces power requirements in battery-powered and energy-sensitive applications.
• Flexible Communication: Supports a wide range of baud rates and data formats.
• Reliable Data Transfer: Ensures accurate data transmission with error detection capabilities.
• Easy Integration: Simplifies the design process with a standard UART interface.
• Continued Availability: Guaranteed supply by Rochester Electronics, ensuring long-term support for legacy systems.

Additional Details:

The CDP65C51D2 UART supports various data formats, including different word lengths and parity options. It typically operates from a single 5V power supply. The device includes control signals for handshaking and modem control, enabling compatibility with a wide range of serial communication protocols. For detailed technical specifications, including operating voltage, current consumption, and timing characteristics, refer to the manufacturer's datasheet.