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| EP9315 Datasheet, PDF (37/64 Pages) Cirrus Logic – Enhanced Universal Platform System-on-Chip Processor | |||
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EP9315
Enhanced Universal Platform SOC Processor
DMARQ
(device)
tUI
DMACKn
(host)
tFS
tACK
tENV
tZAD
STOP
(host)
tACK
tENV
tZAD
HDMARDYn
(host)
tZIORDY
DSTROBE
(device)
tAZ
tDVS
tDVH
DD (15:0)
IDEDA[2:0]
tACK
IDECS0n,
IDECS1n
Note:
The definitions for the DIOWn:STOP, DIORn:HDMARDYn:HSTROBE and IORDY:DDMARDYn:DSTROBE signal lines are not
in effect until DMARQ and DMACKn are asserted.
Figure 21. Initiating an Ultra DMA data-in Burst
DS638PP4
©Copyright 2005 Cirrus Logic (All Rights Reserved)
37
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