Fujitsu MHU2100AT manual Initiating an Ultra DMA data out burst

Models: MHU2100AT

1 278
Download 278 pages 51.42 Kb
Page 232
Image 232

Interface

5.6.3.7Initiating an Ultra DMA data out burst

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

DMARQ

 

 

 

(device)

tUI

 

 

DMACK-

 

 

 

(host)

tENV

 

 

 

 

 

 

tACK

 

 

STOP

 

 

 

(host)

tLI

tUI

 

 

 

 

tZIORDY

 

 

DDMARDY-

 

 

 

(device)

 

 

 

 

tACK

 

 

HSTROBE

 

tDZFS

 

(host)

 

 

 

tDVS

tDVH

 

 

DD(15:0)

 

 

 

(host)

 

 

 

 

tACK

 

 

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

5-156

C141-E202-01EN

Page 232
Image 232
Fujitsu MHU2100AT manual Initiating an Ultra DMA data out burst