TL16C552A, TL16C552AM
DUAL ASYNCHRONOUS COMMUNICATIONS ELEMENT
WITH FIFO
SLLS189D – NOVEMBER 1994 – REVISED JANUARY 1999
D
D
D
D
D
D
D
IBM PC/AT
™
Compatible
Two TL16C550 ACEs
Enhanced Bidirectional Printer Port
16-Byte FIFOs Reduce CPU Interrupts
Up to 16-MHz Clock Rate for up to 1-Mbaud
Operation
Transmit, Receive, Line Status, and Data
Set Interrupts on Each Channel
Independently Controlled
Individual Modem Control Signals for Each
Channel
D
D
D
Programmable Serial Interface
Characteristics for Each Channel:
– 5-, 6-, 7-, or 8-Bit Characters
– Even, Odd, or No Parity Bit Generation
and Detection
– 1-, 1-1/2-, or 2-Stop Bit Generation
3-State Outputs Provide TTL Drive for the
Data and Control Bus on Each Channel
Hardware and Software Compatible With
TL16C452
HV or FN PACKAGE
(TOP VIEW)
SOUT1
DTR1
RTS1
CTS1
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
TXRDY0
V
DD
RTS0
DTR0
SOUT0
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
RXRDY0
DCD1
GND
RI1
DSR1
CLK
CS1
TRI
PEMD
ACK
PE
BUSY
SLCT
V
DD
ERR
SIN1
RXRDY1
8 7
6
5 4 3 2
1 68 67 66 65 64 63 62 61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
26
27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
INT1
INT2
SLIN
INIT
AFD
STB
GND
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
INT0
BDO
CTS0
DCD0
RI0
DSR0
CS0
A2
A1
A0
IOW
IOR
CS2
RESET
V
DD
SIN0
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
IBM PC/AT is a trademark of International Business Machines Corporation.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TXRDY1
ENIRQ
Copyright
©
1999, Texas Instruments Incorporated
GND
1
TI [ TEXAS INSTRUMENTS ]
