Hitachi DK23DA-20F - Page 101

K6602705
Rev.3
08.20.01
- 101 -
Figure 6-10 Host pausing an Ultra DMA Read
DMARQ
(device)
DMACK-
(host)
STOP
(host)
HDMARDY-
(host)
DSTROBE
(device)
DD(15:0)
(device)
t
RFS
t
RP
Note: The host asserts STOP to request termination of the Ultra DMA burst no sooner than t
RP
after HDMARDY- is
negated.
Mode 0(ns) Mode 1(ns) Mode 2(ns) Mode3(ns) Mode4(ns) Mode5(ns) Description
SYMBOL MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
t
RFS
75 70 60 60 60 50 Ready-to-final STROBE
time
t
RP
160 125 100 100 100 85 Ready-to-pause time