ADSP-BF542/ADSP-BF544/ADSP-BF547/ADSP-BF548/ADSP-BF549
Figure 52 displays the initiation of an ultra DMA data-in burst.
Note that an alternate ATAPI_D0-15 port bus is
ATAPI_D0-15A.
Also note that ATAPI_ADDR pins include A1-3, ATAPI_CS0,
and ATAPI_CS1. Alternate ATAPI port ATAPI _ADDR pins
include ATAPI_A0A, ATAPI_A1A, ATAPI_A2A, ATAPI_CS0,
and ATAPI_CS1.
ATAPI_DMARQ
ATAPI_DMACK
tACK
tENV
ATAPI_DIOW
tACK
tENV
ATAPI_DIOR
ATAPI_IORDY
tAZ
ATAPI_D0–15
tACK
ATAPI ADDR
Figure 52. Initiating an Ultra DMA Data-In 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 53 displays a sustained ultra DMA data-in burst. Note
that an alternate ATAPI_D0-15 port bus is ATAPI_D0-15A.
ATAPI_IORDY
tDS
tDS
tDH
tDH
tDH
ATAPI_D0–15
Figure 53. Sustained Ultra DMA Data-In 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 80 of 100
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February 2010
ADI [ ADI ]
