TL16C450_09 Datasheet, PDF (13/27 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C450
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS037C − MARCH 1988 − REVISED JANUARY 2006
APPLICATION INFORMATION
D7 −D0
D7− D0
SOUT
MEMR or I/OR
SIN
DISTR
MEMW or I/ON
RTS
DOSTR
INTR
DTR
INTRPT
RESET
DSR
MR
A0
DCD
A0
CTS
C
A1
P
A1
TL16C450
RI
U
A2
(ACE)
A2
B
u
s
ADS
XTAL1
DOSTR
L
CS
DISTR
CS2
XTAL2
CS1
BAUDOUT
H
CS0
RCLK
EIA 232-D
Drivers
and
Receivers
3.072
MHz
Figure 7. Basic TL16C450 Configuration
Receiver
WR
Disable
DOSTR
Microcomputer
System
Data Bus
Data Bus
TL16C450
(ACE)
D7 −D0
8-Bit
Bus Transceiver
Driver
Disable
DDIS
Figure 8. Typical Interface for a High-Capacity Data Bus
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