Initiating An Ultra Dma Data Out Burst; Figure 5.16 Initiating An Ultra Dma Data Out Burst - Fujitsu MHT2080AH - 80GB 5400 RPM PATA Hard Drive Product Manual

Interface

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.
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.

Figure 5.16 Initiating an Ultra DMA data out burst

5-140
t
UI
t
ENV
t
ACK
t
ZIORDY
t
ACK
t
ACK
t t
LI
UI
t
DZFS
t
DVS
t
DVH
C141-E195-02EN