The ST16C550CP-F is a UART (Universal Asynchronous Receiver/Transmitter) manufactured by Exar Corporation. This specific variant, designated with the '-F' suffix, typically indicates a lead-free or RoHS compliant version of the standard ST16C550CP. It is a single-channel UART designed to handle asynchronous serial communication, commonly employed in systems that require reliable data exchange between devices.

Applications

• Computer serial ports
• Embedded systems requiring serial communication
• Modems and other communication peripherals
• Industrial control equipment
• Point-of-Sale (POS) systems
• Data acquisition systems

Features

• Single UART channel
• Data rates up to 5 Mbps
• Programmable baud rate generator
• 16-byte FIFO (First-In, First-Out) transmitter and receiver buffers
• Automatic hardware/software flow control
• Modem control signals (CTS, RTS, DSR, DTR, RI, DCD)
• Interrupt generation
• Loopback mode for diagnostics
• Lead-free package

Benefits

• High-speed data transmission: Supports data rates up to 5 Mbps, enabling fast and efficient serial communication.
• Reduced CPU overhead: The 16-byte FIFOs significantly reduce CPU intervention, improving system performance.
• Flexible baud rate generation: Programmable baud rate generator allows for a wide range of baud rates to be selected, accommodating various communication standards.
• Reliable data transfer: Automatic flow control ensures reliable data transfer by preventing buffer overflow.
• Easy integration: The standard UART interface simplifies integration into existing systems.
• Diagnostic capabilities: Loopback mode enables easy testing and troubleshooting.
• Environmental Compliance: Lead-free design meets RoHS standards, making it suitable for environmentally conscious applications.

Additional Details

The ST16C550CP-F operates from a single 5V power supply. It supports 5, 6, 7, or 8 data bits, with even, odd, or no parity. It also supports 1 or 2 stop bits. The device is designed for use in a wide range of temperatures, typically from -40°C to +85°C. The 'F' designation indicates it is a lead-free version complying with environmental regulations such as RoHS. It typically comes in a DIP (Dual In-line Package).

Its compatibility with industry-standard UART protocols makes it a versatile choice for numerous serial communication applications. The internal FIFO buffers and flow control features contribute to robust and efficient data handling, essential for reliable system operation. The ST16C550 family is known for its widespread availability and strong technical support, making it a popular choice among design engineers, particularly in designs where lead-free components are required.