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