The Exar Corporation XR16L651CM is an integrated circuit designed for use in electronic devices that require high-speed data transmission. It features an internal oscillator, printer port, timer/counter, and RS232, RS422, and RS485 protocols.

• Channel: 1 channel
• Type: UART
• Data Rate (Max): 3.125Mbps
• FIFO Size: 32-byte FIFOs
• Features: Auto flow control, IrDA encoder/decoder, false start bit detection, and modem control
• Package: 48-TQFP (7x7) package
• Supply Voltage: 2.25 V to 5.5 V
• Status: Obsolete (EOL)
• Supply and Demand: limited