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C141-E112-01EN 5 - 99
5.6.3.7 Initiating an Ultra DMA data out burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
Note:
The definitions for the STOP, DDMARDY- and HSTROBE signal lines are not in effect until
DMARQ and DMACK- are asserted.
Figure 5.15 Initiating an Ultra DMA data out burst
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(
host
)
DD(15:0)
(host)
DA0, DA1, DA2
CS0-
,
CS1-
t
UI
t
ACK
t
ENV
t
ZIORDY
t
UI
t
LI
t
ACK
t
ACK
t
DVH
t
DVS
t
DZFS