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FUJITSU MHV2120AT User Manual

Page 232

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Interface

5-156

C141-E218

5.6.3.4 Host pausing an Ultra DMA data in burst

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

Notes:

1) The host may assert STOP to request termination of the Ultra DMA burst

no sooner than t

RP

after HDMARDY- is negated.

2) After negating HDMARDY-, the host may receive zero, one, two or three

more data words from the device.

Figure 5.13 Host pausing an Ultra DMA data in burst

t

RP

t

RFS

DMARQ
(device)

DMACK-
(host)

STOP
(host)

HDMARDY-
(host)

DSTROBE
(device)

DD(15:0)
(device)

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