SB16C1054_Data Sheet_EN

SB16C1054
QUAD UART WITH 256-BYTE FIFO
FEBRUARY 2009 REV 1.0
5
52
hr
t
irs
t t
sti
si hr
TXDx
t
PARITY
t
INTx
ir
IOW#
START
IOR#
START
(WR THR)
(RD IIR)
STOP(1-2)DATA(5-8)
t
Figure 12: Transmitter Timing
STARTSTOP
(WR THR)
IOW#
PARITY
TXDx
DATA
TXRDY#
sxa
t
wxi
t
BYTE #1
Figure 13: Transmitter Ready Mode 0 Timing
sxa
t
TXDx
TXRDY#
t
STOP
IOW#
FIFO FULL
STARTPARITY
wxi
DATA
BYTE #16
(WR THR)
Figure 14: Transmitter Ready Mode 1 Timing