Fujitsu MHT2020AT Computer Drive User Manual


 
Interface
5-138 C141-E192-01EN
5.6.3.5 Device terminating an Ultra DMA data in burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
Note:
The definitions for the STOP, HDMARDY- and DSTROBE signal lines are
no longer in effect after DMARQ and DMACK- are negated.
Figure 5.14 Device terminating an Ultra DMA data in burst
DMAR
Q
(device)
DMA
C
K-
(host)
DD
(
15:0
)
HDMARDY-
(host)
D
S
TR
O
BE
(device)
S
T
O
P
(host)
DA0, DA1, DA2,
CS0-, CS1-
t
MLI
t
LI
t
LI
t
LI
t
ACK
t
ACK
t
IORDYZ
t
SS
t
ZAH
t
AZ
t
CVS
t
CVH
CRC
t
ACK