A16450 查看數據表（PDF） - Altera Corporation

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A16450

Universal Asynchronous Receiver/Transmitter

Altera Corporation 

a16450 Universal Asynchronous Receiver/Transmitter Data Sheet

Functional

Description

Figure 2 shows the a16450 block diagram.

Figure 2. a16450 Block Diagram

sin

Receiver Register

& Control

rclk

din[7..0]

a[2..0]

cs0

cs1

ncs2

nads

mr

rd

nrd

wr

nwr

ddis

csout

Decode &

Control

Logic

clk

Receiver Buffer

Register

Line Control

Register

Divisor Register

(MSB)

Divisor Register

(LSB)

Line Status

Register

Transmitter Holding

Register

Modem Control

Register

Modem Status

Register

Interrupt Enable

Register

Interrupt ID

Register

Output Data

Multiplexer

dout[7..0]

Baud

Generator

nbaudout

Transmitter

Register &

sout

Control

Modem

Control

Logic

nrts

ndtr

nout1

nout2

ncts

ndsr

ndcd

nri

Interrupt

Control

Logic

intr

68

Altera Corporation

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