IBM DARA-206000 Hard Drive Specifications - Page 57
Host Terminating Read DMA
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6.5.3.3 Host Terminating Read DMA DMARQ DMACK STOP HDMARDY DSTROBE DB(15:00) < Tli > < Tmli > < Trp > < Tack > < Tack > < Trfs > < Tli > < > Trdyz Taz < > Tds < > < > Tdh XXX RD Data XXXXXXXXXXXXXXXXXX XXX CRC XXXXXXXXXX Device drives DB >< Host drives DB Figure 36. Ultra D M A cycle time chart (Host terminating Read) Electrical Interface Specifications 47
6.5.3.3
Host Terminating Read DMA
<
Tli
>
DMARQ
<
Tmli
>
DMACK
<
Trp
>
< Tack >
STOP
< Tack >
HDMARDY
<
Trfs
>
<
Tli
>
<
> Trdyz
DSTROBE
Taz < >
Tds < > < > Tdh
DB(15:00)
XXX
RD Data
XXXXXXXXXXXXXXXXXX
XXX
CRC
XXXXXXXXXX
<Tzah>
>
<
Device drives DB
Host drives DB
Figure 36. Ultra DMA cycle time chart (Host terminating Read)
Electrical Interface Specifications
47