TL16C450_09 Datasheet, PDF (14/27 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C450
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS037C − MARCH 1988 − REVISED JANUARY 2006
APPLICATION INFORMATION
TL16C450
XTAL1
A16 −A23
A16 −A23
XTAL2
CPU
ADS
RSI/ABT
AD0 −AD15
PHI1 PHI2
Address
Decoder
Buffer
AD0 −
AD7
CS0
CS1
CS2
ADS
MR
A0 −A2
D0 −D7
BAUDOUT
RCLK
DTR
RTS
OUT1
OUT2
RI
DCD
DSR
CTS
Alternate
Xtal Control
20
1
5V
8
6
5
PHI1 PHI2
TCU
ADS RSTO
RO
WR
DISTR
DOSTR
AD0 −AD15
DISTR
DOSTR
SOUT
SIN
INTRPT
CSOUT
DDIS
NC
GND
(VSS)
5V
(VCC)
Figure 9. Typical TL16C450 Connection to a CPU
2
3
7
1
EIA-232-D
Connector
14
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