ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Figure 48 displays the initiation of a multiword DMA data
burst. Note that an alternate ATAPI_D0-15 port bus is
ATAPI_D0-15A.
ATAPI_CS0
ATAPI_CS1
tM
ATAPI_DMARQ
tI
ATAPI_DMACK
tD
ATAPI_DIOR
ATAPI_DIOW
tG
tF
ATAPI_D0–15
(READ)
tG
tH
ATAPI_D0–15
(WRITE)
Figure 48. Initiating a Multiword DMA Data 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 49 displays a sustained multiword DMA data burst.
ATAPI_CS0
ATAPI_CS1
ATAPI_DMARQ
ATAPI_DMACK
t0
ATAPI_DIOR
ATAPI_DIOW
tD
tK
ATAPI_D0–15
(READ)
tG
tF
tG
tF
ATAPI_D0–15
(WRITE)
tG
tH
tG
tH
Figure 49. Sustained Multiword DMA Data 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 77 of 100
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February 2010
ADI [ ADI ]
