The ST16C2552CJ is a dual universal asynchronous receiver/transmitter (UART) with enhanced features designed for efficient serial communication. Manufactured by Exar Corporation, this device integrates two independent UART channels, each offering a range of programmable options and control signals. It is designed for applications requiring reliable, high-speed serial data transfer.

Applications:

• Multi-port serial cards
• Embedded systems
• Industrial automation equipment
• POS (Point-of-Sale) terminals
• Data acquisition systems

Features:

• Dual UART channels
• Data rates up to 3 Mbps
• 32-byte transmit and receive FIFOs per channel
• Programmable baud rate generator
• Automatic hardware/software flow control
• Modem control signals
• Interrupt generation
• Multiplexed interrupt output
• 64-pin QFP Package

Benefits:

• High-speed data transfer: Supports data rates up to 3 Mbps, enabling fast and efficient communication.
• Reduced processor overhead: Large FIFOs and automatic flow control minimize the need for processor intervention.
• Simplified system design: The dual UARTs reduce the need for external components.
• Flexible configuration: Programmable baud rate generator supports a wide range of communication protocols.
• Reliable data transmission: Automatic flow control prevents data loss and ensures data integrity.

The ST16C2552CJ's dual UART channels allow for simultaneous communication with multiple serial devices. The device's 32-byte transmit and receive FIFOs help prevent data loss, particularly in interrupt-driven environments. Automatic hardware and software flow control features ensure reliable data transmission by preventing buffer overruns and underruns. The modem control signals enable the control of external devices. The programmable baud rate generator provides flexibility in configuring the serial communication speed. The ST16C2552CJ operates on a 5V power supply and is provided in a 64-pin QFP package, making it suitable for surface mount assembly. This UART provides a robust and versatile solution for a wide range of serial communication applications, particularly in embedded systems and industrial environments.