GL811USB – USB 2.0 to ATA / ATAPI Bridge Controller
6.4.3.9 Device pausing an Ultra DMA data-out burst
DMARQ
(device)
DMACK_
(host)
STOP
(host)
DDMARDY_
(device)
HSTROBE
(host)
IODD(15:0)
(host)
tRP
tSR
tRFS
Notes:
1.The device may negate DMARQ to request termination of the Ultra DMA burst no sooner than
tRP after DDMARDY_ is negated.
2.If the tSR timing is not satisfied, the device may receive zero, one, or two more data words from
the host.
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