Fujitsu MHW2060AC Computer Drive User Manual


 
5.6 Timing
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
)
t
RP
t
RFS
Notes:
1) The device may negate DMARQ to request termination of the Ultra DMA
burst no sooner than t
RP
after DDMARDY- is negated.
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-E258 5-161