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TL16C450

更新时间： 2024-11-21 22:42:11
品牌 Logo 应用领域
德州仪器 - TI 通信
页数 文件大小 规格书
25页 350K
描述
ASYNCHRONOUS COMMUNICATIONS ELEMENT

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TL16C450 数据手册

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TL16C450  
ASYNCHRONOUS COMMUNICATIONS ELEMENT  
SLLS037B – MARCH 1988 – REVISED MARCH 1996  
N PACKAGE  
(TOP VIEW)  
Programmable Baud Rate Generator Allows  
Division of Any Input Reference Clock by 1  
to (2 –1) and Generates an Internal 16×  
16  
D0  
D1  
D2  
D3  
D4  
D5  
D6  
D7  
V
RI  
DCD  
DSR  
CTS  
MR  
1
40  
39  
38  
37  
36  
35  
34  
CC  
Clock  
2
Full Double Buffering Eliminates the Need  
for Precise Synchronization  
3
4
5
Standard Asynchronous Communication  
Bits (Start, Stop, and Parity) Added or  
Deleted to or From the Serial Data Stream  
6
OUT1  
7
8
33 DTR  
32 RTS  
31 OUT2  
Independent Receiver Clock Input  
RCLK  
SIN  
9
10  
11  
12  
13  
14  
15  
Transmit, Receive, Line Status, and Data  
Set Interrupts Independently Controlled  
SOUT  
CS0  
CS1  
CS2  
BAUDOUT  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
INTRPT  
NC  
A0  
A1  
A2  
Fully Programmable Serial Interface  
Characteristics:  
– 5-, 6-, 7-, or 8-Bit Characters  
– Even-, Odd-, or No-Parity Bit Generation  
and Detection  
XTAL1 16  
XTAL2 17  
ADS  
CSOUT  
DDIS  
DISTR  
DISTR  
– 1-, 1 1/2-, or 2-Stop Bit Generation  
– Baud Generation (dc to 256 Kbit/s)  
18  
19  
20  
DOSTR  
DOSTR  
V
False Start Bit Detection  
SS  
Complete Status Reporting Capabilities  
FN PACKAGE  
(TOP VIEW)  
3-State TTL Drive Capabilities for  
Bidirectional Data Bus and Control Bus  
Line Break Generation and Detection  
6 5  
4
3
2
1 44 43 42 41 40  
39 MR  
Internal Diagnostic Capabilities:  
– Loopback Controls for Communications  
Link Fault Isolation  
– Break, Parity, Overrun, Framing Error  
Simulation  
7
D5  
D6  
D7  
8
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
OUT1  
DTR  
RTS  
OUT2  
NC  
INTRPT  
NC  
A0  
9
10  
11  
12  
13  
14  
15  
16  
17  
RCLK  
SIN  
NC  
SOUT  
CS0  
Fully Prioritized Interrupt System Controls  
Modem Control Functions (CTS, RTS, DSR,  
DTR, RI, and DCD)  
CS1  
CS2  
BAUDOUT  
A1  
A2  
Easily Interfaces to Most Popular  
Microprocessors  
18 19 20 21 22 23 24 25 26 27 28  
Faster Plug-In Replacement for National  
Semiconductor NS16C450  
description  
NC – No internal connection  
The TL16C450 is a CMOS version of an asynchronous communications element (ACE). It typically functions  
in a microcomputer system as a serial input/output interface.  
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.  
Copyright 1996, Texas Instruments Incorporated  
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.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...25

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