Fujitsu MHN2300AT, MHN2150AT, MHN2100AT, MHN2200AT manual Host pausing an Ultra DMA data in burst

Interface

5.6.3.4Host pausing an Ultra DMA data in burst

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

DMARQ

(device)

DMACK-

(host)

tRP

STOP

(host)

HDMARDY-

(host)

tRFS

DSTROBE

(device)

DD(15:0)

(device)

Notes:

1)The host may assert STOP to request termination of the Ultra DMA burst no sooner than tRP 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

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