Initiating An Ultra Dma Data Out Burst; Sustained Ultra Dma Data Out Burst - Maxtor DIAMONDMAX VL20 92041U4 Manual

AT INTERFACE DESCRIPTION
DMARQ
(device)
DMACK-
(host)
STOP
(host)
DDMARDY-
(device)
HSTROBE
(host)
DD(15:0)
(host)
DA0, DA1, DA2,
CS0-, CS1-
HSTROBE
at host
DD(15:0)
at host
HSTROBE
at device
DD(15:0)
at device
5 – 8
t
UI
t
t
ACK
ENV
t
ZIORDY
t
ACK
t
ACK
Figure 5 - 9

Initiating an Ultra DMA Data Out Burst

t
2CYC
t
CYC
t t
DVH DVH
t
DVS
t t
DH DS
Figure 5 - 10

Sustained Ultra DMA Data Out Burst

t t
LI UI
t
DVS
t
CYC
t
DVH
t
DVS
t t t
DH DS DH
t
DVH
t
2CYC