TL16C450 Datasheet, PDF(3/25 Page) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

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TL16C450 Datasheet, PDF (3/25 Pages) Texas Instruments – ASYNCHRONOUS COMMUNICATIONS ELEMENT

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block diagram

D7 â D0 1â 8

Data

Bus

Buffer

Internal

Data Bus

TL16C450

ASYNCHRONOUS COMMUNICATIONS ELEMENT

SLLS037B â MARCH 1988 â REVISED MARCH 1996

Receiver

Buffer

Receiver

Shift

10 SIN

Line

Control

Divisor

Latch (LS)

A0 28

A1 27

A2 26

CS0 12

CS1 13

CS2 14

ADS 25

MR 35

DISTR 22

DISTR 21

DOSTR 19

DOSTR 18

DDIS 23

CSOUT 24

XTAL1 16

XTAL2 17

Select

and

Control

Logic

Divisor

Latch (MS)

Line

Status

Transmitter

Holding

Modem

Control

Modem

Status

VCC 20

VSS

Power

Supply

Terminal numbers shown are for the N package.

Interrupt

Enable

Interrupt

I/O

Baud

Generator

Interrupt

Control

Logic

Receiver

Timing and

Control

9 RCLK

15 BAUDOUT

Transmitter

Timing and

Control

Transmitter

Shift

11 SOUT

Modem

Control

Logic

32 RTS

36 CTS

33 DTR

37 DSR

38 DCD

39 RI

34 OUT1

31 OUT2

INTRPT

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