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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Fujitsu MHV2120AT, MHV2100AT, MHV2080AT, MHV2040AT, MHV2060AT Host pausing an Ultra DMA data in burst, Dmarq, Dmack, Hdmardy