XR16C854 Datasheet, PDF (44/51 Pages) Exar Corporation – QUAD UART WITH RX/TX FIFO COUNTERS,128-BYTE FIFO

XR16C854
TX
INT
-IOW
START
BIT
DATA BITS (5-8)
STOP
BIT
Active
D0 D1 D2 D3 D4 D5 D6 D7
5 DATA BITS
PARITY
BIT
6 DATA BITS
7 DATA BITS
NEXT
DATA
START
BIT
T22d
T23d
Active
Tx Ready
T24d
Active
16 BAUD RATE CLOCK
Transmit timing
X654-TX-1
Rev. 1.00P
44