Z80C3008PSC Просмотр технического описания (PDF) - Zilog

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производитель

Z80C3008PSC

CMOS SCC Serial Communications Controller

Zilog 

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Channel A

Exploded View

Transmit Logic

Transmit

Buffer

Transmit MUX

Data Encoding & CRC

Generation

Receive and Transmit Clock Multiplexer

Digital Baud Rate

Phase-Locked Generator

Loop

Crystal

Oscillator

Amplifier

Modem/Control Logic

Receive Logic

Rec. Status Rec. Status

FIFO 3 Byte FIFO 3 Byte

Receive MUX

SDLC Frame Status FIFO

10 X 19

CRC Checker

Data Decode &

Sync Character

Detection

TxDA

TRxCA

RTxCA

CTSA

DCDA

SYNCA

RTSA

DTRA/REQA

RxDA

Interrupt

Control

Logic

Channel A

Register

Databus

Control

CPU & DMA

Bus Interface

Interrupt

Control

INT

INTACK

IEI

IEO

Interrupt

Control

Logic

Channel B

Register

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Channel A

Channel B

36

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