TL16C550B Datasheet, PDF (19/35 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C550B, TL16C550BI
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS136B – JANUARY 1994 – REVISED AUGUST 1996
APPLICATION INFORMATION
TL16C550B
16
XIN
Alternate
Crystal Control
A16 – A23
CPU
ADS
RSI/ABT
AD0 – AD15
PHI1 PHI2
A16 – A23
Address
Decoder
12
CS0
13
CS1
14
CS2
17
XOUT
15
BAUDOUT
9
RCLK
25
ADS
35
MR
A0 – A7
33
DTR
32
RTS
34
OUT1
31
OUT2
Buffer
D0 – D7
39
RI
38
DCD
37
DSR
36
CTS
PHI1
PHI2
ADS
TCU
RSTO
RD
WR
21
RD1
18
WR1
AD0 – AD15
22
RD2
19
WR2
11
SOUT
10
SIN
30
INTRPT
24
TXRDY
23
DDIS
29
RXRDY
Terminal numbers shown are for the N package.
GND
(VSS)
20
40
5V
(VCC)
Figure 15. Typical TL16C550B Connection to a CPU
20
1
8
6
5
2
3
7
1
EIA-232-D
Connector
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