Fujitsu MHV2080AS, MHV2060AS, MHV2040AS manual Physical Interface, Interface signals

Models: MHV2060AS MHV2080AS MHV2040AS

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Interface

5.1 Physical Interface

5.1.1 Interface signals

Figure 5.1 shows the interface signals.

Host

DATA 0-15: DATA BUS

DMACK-: DMA ACKNOWLEDGE

DMARQ: DMA REQUEST

INTRO: INTERRUPT REQUEST

DIOW-: I/O WRITE

STOP: STOP DURING ULTRA DMA DATA BURSTS

DIOR-:I/O READ

HDMARDY:DMA READY DURING ULTRA DMA DATA IN BURSTS HSTROBE:DATA STROBE DURING ULTRA DMA DATA OUT BURST

PDIAG-: PASSED DIAGNOSTICS

CBLID-: CABLE TYPE IDENTIFIER

DASP-: DEVICE ACTIVE/SLAVE PRESENT

IORDY:I/O READY

DDMARDY:DMA READY DURING ULTRA DMA DATA OUT BURSTS DSTROBE: DATA STROBE DURING ULTRA DMA DATA IN BURSTS

DA 0-2: DEVICE ADDRESS

CS0-: CHIP SELECT 0

CS1-: CHIP SELECT 1

RESET-: RESET

CSEL: CABLE SELECT

MSTR: Master

ENCSEL: ENABLE CSEL

+5V DC: +5 volt

GND: GROUND

IDD

Figure 5.1 Interface signals

5-2

C141-E221

Page 78
Image 78
Fujitsu MHV2080AS, MHV2060AS, MHV2040AS manual Physical Interface, Interface signals