Fujitsu MHS2030AT - 2.5" Notebook 30GB Drive Product Manual page 215

5.6.3.9 Device pausing 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)
Notes:
1) The device may negate DMARQ to request termination of the Ultra DMA
burst no sooner than t
2) After negating DDMARDY-, the device may receive zero, one two or three
more data words from the host.
Figure 5.18 Device pausing an Ultra DMA data out burst
C141-E171-03EN
t
RP
t
RFS
after DDMARDY- is negated.
RP
5.5 Ultra DMA Feature Set
5-139