Initiating An Ultra Dma Data Out Burst; Figure 6-9 Initiating An Ultra Dma Data Out Burst - Samsung SP0401N Product Manual

DISK DRIVE OPERATION
6.7.4.7

Initiating an Ultra DMA data out burst

The values for the timings for each of the Ultra DMA modes are contained in 6.7.4.2.
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
DD(15:0)
(host)
DA0, DA1, DA2,
CS0-, CS1-
NOTE − The definitions for the STOP, DDMARDY and HSTROBE signal lines are not in
effect until DMARQ and DMACK are asserted.
SpinPoint P80 Product Manual Rev. 01
t
UI
t
t
ACK
ENV
t
ZIORDY
t
ACK
t
ACK

Figure 6-9 Initiating an Ultra DMA data out burst

t t
LI UI
t
DVS
t
DVH
106