FUJITSU MHW2060AC User Manual

Page 235

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5.6 Timing

5.6.3.7 Initiating an Ultra DMA data out burst

5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.

DMARQ

(device)

DMACK-
(host)

STOP
(host)

DDMARDY-
(device)

HSTROBE
(host)

DD(15:0)
(host)

DA0, DA1, DA2

CS0-, CS1-

t

UI

t

ACK

t

ENV

t

ZIORDY

t

UI

t

LI

t

ACK

t

ACK

t

DVH

t

DVS

t

DZFS

Note:

The definitions for the STOP, DDMARDY- and HSTROBE signal lines are
not in effect until DMARQ and DMACK- are asserted.

Figure 5.16 Initiating an Ultra DMA data out burst

C141-E258

5-159

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