K6602705
Rev.3
08.20.01
- 106 -
Figure 6-15 Device pausing an Ultra DMA Write
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
DD(15:0)
(host)
t
RFS
t
RP
Note: The device negates DMARQ to request termination of the Ultra DMA burst no sooner than t
RP
after
DDMARDY- is negated.
Mode 0(ns) Mode 1(ns) Mode 2(ns) Mode 3(ns) Mode 4(ns)
Mde5(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