Interface

5.6.3.8Sustained Ultra DMA data out burst

5.6.3.2contains the values for the timings for each of the Ultra DMA Modes.

HSTROBE at host

DD(15:0) at host

 

t2CYC

 

 

 

 

tCYC

 

tCYC

 

 

 

 

 

t2CYC

tDVH

tDVS

tDVH

tDVS

tDVH

tDVHIC

tDVSIC

tDVHIC

tDVSIC

tDVHIC

HSTROBE at device

DD(15:0) at device

 

 

 

tDH

 

tDS

 

 

 

 

 

 

 

 

 

 

 

 

 

tDHIC

 

tDSIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tDH

 

tDS

 

 

 

 

 

 

 

 

 

tDHIC

 

tDSIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

tDH tDHIC

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

C141-E218

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Fujitsu MHV2080AT Sustained Ultra DMA data out burst, Hstrobe at host DD150 at host, Hstrobe at device DD150 at device