FIFO Support on UARTs that support it

check CTS if CS option set and start timer

start DSR low timer if DS option set

start DCD low timer if CD option set

check errors

check errors

FIFO setup on UARTs that support it

Support for slave PIC?

MCR_RTS should be set only after waiting for DSR if the OP/ CS protocol option is set

Support for slave PIC?

Autodetect IRQ in use by baseaddr

wait for DSR if OP/ DS option is set

Set RTS if RS option not set

wait for DCD if OP/ CD option is set

Clean-up on TIMEOUT

Support for ASC/ LF options