ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Figure 56 displays the initiation of an ultra DMA data-out burst.
Note that an alternate ATAPI_D0-15 port bus is ATAPI_D0-
15A.
ATAPI_DMARQ
ATAPI_DMACK
ATAPI_DIOW
tENV
tLI
ATAPI_IORDY
tACK
ATAPI_DIOR
tDZFS
tDVS
tDVH
ATAPI_D0–15
tACK
ATAPI ADDR
Figure 56. Initiating an Ultra DMA Data-Out Burst1
1 This material is adapted from ATAPI-6 (INCITS 361-2002[R2007] and is used with permission of the American National Standards Institute (ANSI) on behalf of the
Information Technology Industry Council (“ITIC”). Copies of ATAPI-6 (INCITS 361-2002[R2007] can be purchased from ANSI.
Figure 57 displays a sustained ultra DMA data-out burst. Note
that an alternate ATAPI_D0-15 port bus is ATAPI_D0-15A.
t2CYC
tCYC
tCYC
t2CYC
ATAPI_DIOR
ATAPI_D0–15
tDVH
tDVS
tDVH
tDVS
tDVH
Figure 57. Sustained Ultra DMA Data-Out Burst1
1 This material is adapted from ATAPI-6 (INCITS 361-2002[R2007] and is used with permission of the American National Standards Institute (ANSI) on behalf of the
Information Technology Industry Council (“ITIC”). Copies of ATAPI-6 (INCITS 361-2002[R2007] can be purchased from ANSI.
Rev. C
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Page 83 of 100
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February 2010
ADI [ ADI ]
