Fujitsu MHV2040AT 用户手册
5.6 Timing
C141-E218
5-163
5.6.3.11 Device terminating 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
no longer in effect after DMARQ and DMACK- are negated.
no longer in effect after DMARQ and DMACK- are negated.
Figure 5.20 Device terminating an Ultra DMA data out burst
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
(host)
DD(15:0)
(host)
DA0, DA1, DA2,
CS0-, CS1-
CS0-, CS1-
t
LI
t
LI
t
RP
t
RFS
t
MLI
t
MLI
t
CVS
t
CVH
t
IORDYZ
t
ACK
t
ACK
t
ACK
CRC