DESCRIPTION
The Ei16C554 is Universal Asynchronous Receiver and Transmitter with 16 byte transmit and receive FIFO. A programmable baud rate generator is provided to select transmit and receive clock rates from 50 Hz to 1.5MHz.

FEATURES
• 5V Operation
• Pin to pin and functional compatible to 16C454
• 16 byte transmit FIFO
• 16 byte receive FIFO with error flags
• Modem control signals ( CTSÔ, RTSÔ, DSRÔ, DTRÔ, RIÔ, CDÔ)
• Programmable character lengths (5, 6, 7, 8)
• Even, odd, or no parity bit generation and detection
• Status report register
• Independent transmit and receive control
• TTL compatible inputs, outputs
• Software compatible with 8250 and Ei16C550
• 460.8 kHz transmit/receive operation with 7.372 MHz crystal or external clock source