5.6.3Ultra DMA data transfer
Figures 5.10 through 5.19 define the timings associated with all phases of Ultra DMA bursts. Table 5.16 contains the values for the timings for each of the Ultra DMA Modes.
5.6.3.1Initiating an Ultra DMA data in burst
5.6.3.2 contains the values for the timings for each of the Ultra DMA Modes.
DMARQ |
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| tUI |
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DMACK- |
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STOP |
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| tACK |
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HDMARDY- |
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DSTROBE |
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| tAZ |
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DD (15:0)
tACK
DA0,DA1,DA2,
CS0-,CS1-
tDVH
Note:
The definitions for the STOP, HDMARDY- and DSTROBE- signal lines are not in effect until DMARQ and DMACK- are asserted.
Figure 5.10 Initiating an Ultra DMA data in burst
5 - 96 |
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