AM53CF94KC 查看數據表（PDF） - Advanced Micro Devices

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AM53CF94KC

Enhanced SCSI-2 Controller (ESC)

Advanced Micro Devices 

AMD

PRELIMINARY

SYSTEM BUS MODE DIAGRAMS

VDD

BUSMD 1

BUSMD 0

WR

RD

ALE

AD 7–0

8-Bit Data Bus

Host

Processor

Am53CF94/96

DMA 15–0

AS0

BHE

DMARD

DMAWR

DREQ

DACK

16-Bit Data Bus

DMA

Controller

Bus Mode 2

Dual Bus Architecture: 16-Bit DMA with Byte Control,

8-Bit Multiplexed Processor Address Data

17348B-5

VDD

BUSMD 1

BUSMD 0

WR

RD

A 3–0

AD 7–0

Address Bus

8-Bit Data Bus

Host

Processor

Am53CF94/96

DMA 15–0

DMAWR

DREQ

DACK

16-Bit Data Bus

DMA

Controller

Bus Mode 3

Dual Bus Architecture: 16-Bit DMA,

8-Bit Processor

17348B-6

4

Am53CF94/Am53CF96

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