TL16C450_09 Datasheet, PDF (1/27 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

TL16C450
ASYNCHRONOUS COMMUNICATIONS ELEMENT
SLLS037C − MARCH 1988 − REVISED JANUARY 2006
D Programmable Baud Rate Generator Allows
Division of Any Input Reference Clock by 1
to (2¹⁶ −1) and Generates an Internal 16 ×
Clock
N PACKAGE
(TOP VIEW)
D0 ₁
D1 ₂
40 ^V_CC
39 ^RI
D Full Double Buffering Eliminates the Need
for Precise Synchronization
D Standard Asynchronous Communication
D2 ₃
D3 ₄
D4 ₅
D5 ₆
38 DCD
37 DSR
36 CTS
35 MR
Bits (Start, Stop, and Parity) Added or
Deleted to or From the Serial Data Stream
D6 ₇
D7 ₈
34 OUT1
33 DTR
D Independent Receiver Clock Input
D Transmit, Receive, Line Status, and Data
RCLK ₉
SIN ₁₀
SOUT 11
32 RTS
31 OUT2
30 INTRPT
Set Interrupts Independently Controlled
CS0 12 29 _NC
D Fully Programmable Serial Interface
Characteristics:
− 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
− Baud Generation (dc to 256 Kbit/s)
D False Start Bit Detection
D Complete Status Reporting Capabilities
CS1 13
CS2 14
BAUDOUT 15
XTAL1 16
XTAL2 17
DOSTR 18
DOSTR 19
V_SS 20
28 A0
27 A1
26 A2
25 _ADS
24 _CSOUT
23 _DDIS
22 _DISTR
21 _DISTR
NOTE: 40-pin DIP (N package) will be obsoleted as of 7/30/2006. Please
contact your local distributor or TI Sales Office for more information.
D 3-State TTL Drive Capabilities for
Bidirectional Data Bus and Control Bus
FN PACKAGE
(TOP VIEW)
D Line Break Generation and Detection
D Internal Diagnostic Capabilities:
− Loopback Controls for Communications
Link Fault Isolation
− Break, Parity, Overrun, Framing Error
Simulation
D Fully Prioritized Interrupt System Controls
D Modem Control Functions (CTS, RTS, DSR,
DTR, RI, and DCD)
D Easily Interfaces to Most Popular
Microprocessors
D Faster Plug-In Replacement for National
Semiconductor NS16C450
D5
D6
D7
RCLK
SIN
NC
SOUT
CS0
CS1
CS2
BAUDOUT
6 5 4 3 2 1 44 43 42 41 40
7
39
8
38
9
37
10
36
11
35
12
34
13
33
14
32
15
31
16
30
17
29
18 19 20 21 22 23 24 25 26 27 28
MR
OUT1
DTR
RTS
OUT2
NC
INTRPT
NC
A0
A1
A2
Please be aware that an important notice concerningNaCv−ailNaobiilnittye,rnsatal ncdoannrdecwtiaonrranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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.
Copyright  1988 − 2006, Texas Instruments Incorporated
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