TL16C2552 Datasheet, PDF (21/34 Pages) Texas Instruments – 1.8-V to 5-V DUAL UART WITH 16-BYTE FIFOS

www.ti.com
A0 −A23
CPU
RSI/ABT
AD0 − AD15
PHI1 PHI2
PHI1 PHI2
TCU
TL16C2552
SLWS163A – SEPTEMBER 2005 – REVISED JUNE 2006
APPLICATION INFORMATION (continued)
Address
Decoder
TL16C2552
11
XTAL1
Alternate
Crystal Control
10, 14, 15
A0 −A2
16
CHSEL
18
CS
13
XTAL2
(Optional)
33 pF
33 pF
37, 27
DTRA, B
20
36, 23
RTSA, B
1
21
RESET
D0 −D7
2−9
Buffer
(Optional)
D0 −D7
43, 31
RIA, B
42, 30
CDA, B
8
41, 29
DSRA, B
6
40, 28
CTSA, B
5
RSTO
RD
WR
24 _IOR
38, 26
20
TXA, B
2
IOW
39, 25
RXA, B
3
34, 17
INTA, B
GND
(V_SS)
12, 22 33, 44
V_CC
A. Pin numbers shown are for 44-pin PLCC FN package.
Figure 26. Typical TL16C2552 Connection
7
1
EIA-232-D
Connector
Submit Documentation Feedback
21