16C450 Просмотр технического описания (PDF) - Exar Corporation

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производитель

16C450

UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)

Exar Corporation 

ST16C450

Figure 4, INTERNAL LOOPBACK MODE DIAGRAM

D0-D7

-IOR,IOR

-IOW,IOW

RESET

A0-A2

-AS

CS0,CS1

-CS2

-DDIS

CSOUT

INT

Transmit

Holding

Registers

Transmit

Shift

Register

Receive

Holding

Registers

Receive

Shift

Register

Clock

&

Baud Rate

Generator

TX

RX

-RTS

-CD

-DTR

-RI

-OP1

-DSR

-OP2

-CTS

Rev. 4.20

11

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