The R65C51P2E is a high-performance Asynchronous Communications Interface Adapter (ACIA) manufactured by Conexant Systems. It is designed to provide reliable and efficient serial communication capabilities for a wide range of embedded systems and computer peripherals. The ACIA facilitates the transfer of data between a microprocessor and peripheral devices using asynchronous serial communication protocols.

Applications:

• Serial printers
• Modems
• Data acquisition systems
• Industrial control equipment
• Computer terminals
• Embedded systems requiring serial communication

Features:

• Asynchronous Communication Interface Adapter (ACIA)
• Full duplex operation
• Programmable baud rate generator
• Parity generation and checking (odd, even, or no parity)
• Data framing and error detection
• Interrupt generation

Benefits:

• Enables reliable serial communication between a microprocessor and peripheral devices
• Supports a wide range of communication protocols and baud rates
• Provides error detection capabilities to ensure data integrity
• Offers flexible configuration options to suit various application requirements
• Simplifies the interface between digital systems and serial communication channels

Technical Specifications:

The R65C51P2E supports baud rates ranging from 50 to 19.2k baud. 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 offers on-chip transmit and receive buffers to minimize CPU overhead and features interrupt output to signal the completion of data transmission or reception. It typically operates at 5V. Its robust design and versatile feature set make it suitable for diverse embedded applications where reliable serial communication is critical.