Interface
5.6.3.8 Sustained Ultra DMA data out burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
HSTROBE
at host
t
DVH
t
DVHIC
DD(15:0)
at host
HSTROBE
at device
t
t
DD(15:0)
at device
Note:
DD (15:0) and HSTROBE signals are shown at both the device and the host
to emphasize that cable setting time as well as cable propagation delay shall
not allow the data signals to be considered stable at the device until some
time after they are driven by the host.
Figure 5.17 Sustained Ultra DMA data out burst
5-160
t
2CYC
t
CYC
t
t
DVH
DVS
t
t
DVHIC
DVSIC
t
t
DH
DS
DH
t
t
DHIC
DSIC
DHIC
t
CYC
t
2CYC
t
t
DVH
DVS
t
t
DVHIC
DVSIC
t
t
DS
DH
t
t
DSIC
DHIC
C141-E218