Interface

5.6.3.3Sustained Ultra DMA data in burst

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

t2CYC

tCYC

DSTROBE at device

tDVH

tDVS

tDVHIC

tDVSIC

 

 

DD(15:0) at device

DSTROBE at host

tCYC

t2CYC

tDVH

 

tDVS

tDVH

tDVHIC

 

tDVSIC

tDVHIC

 

 

 

 

 

 

 

DD(15:0) at host

tDHtDS

tDHICtDSIC

tDH

tDS

 

 

 

 

 

tDH

 

 

 

 

 

tDHIC

tDSIC

 

 

 

 

 

 

tDHIC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note:

DD(15:0) and DSTROBE signals are shown at both the host and the device to emphasize that cable setting time as well as cable propagation delay shall not allow the data signals to be considered stable at the host until some time after they are driven by the device.

Figure 5.12 Sustained Ultra DMA data in burst

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Fujitsu MHU2100AT Sustained Ultra DMA data in burst, Dstrobe at device, DD150 at device Dstrobe at host, DD150 at host